Camera.java revision f7c6c5ad64c8e5d20e1806cc98b9919334c69614
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.hardware; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1910e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Liimport android.annotation.SdkConstant; 2010e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Liimport android.annotation.SdkConstant.SdkConstantType; 21a696f5d667227365da732481770767dcb330dd23Mathias Agopianimport android.graphics.ImageFormat; 224c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Liimport android.graphics.Point; 2330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Liimport android.graphics.Rect; 24fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennisimport android.graphics.SurfaceTexture; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Looper; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Message; 28bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport android.util.Log; 290a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selenimport android.text.TextUtils; 30bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport android.view.Surface; 31bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport android.view.SurfaceHolder; 32bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li 33bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.io.IOException; 34bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.lang.ref.WeakReference; 35bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.util.ArrayList; 36bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.util.HashMap; 37bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.util.List; 38248ba23ad28c1f8fb69904663204df08c5818700James Dongimport java.util.concurrent.locks.ReentrantLock; 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 41bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The Camera class is used to set image capture settings, start/stop preview, 42bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * snap pictures, and retrieve frames for encoding for video. This class is a 43bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * client for the Camera service, which manages the actual camera hardware. 44df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * 45bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To access the device camera, you must declare the 467478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * {@link android.Manifest.permission#CAMERA} permission in your Android 47df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * Manifest. Also be sure to include the 48df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 49bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * manifest element to declare camera features used by your application. 507478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * For example, if you use the camera and auto-focus feature, your Manifest 51df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * should include the following:</p> 52df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <pre> <uses-permission android:name="android.permission.CAMERA" /> 53df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <uses-feature android:name="android.hardware.camera" /> 54df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <uses-feature android:name="android.hardware.camera.autofocus" /></pre> 55df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * 56bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To take pictures with this class, use the following steps:</p> 57bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 58bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <ol> 59341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * <li>Obtain an instance of Camera from {@link #open(int)}. 60bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 61bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Get existing (default) settings with {@link #getParameters()}. 62bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 63bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If necessary, modify the returned {@link Camera.Parameters} object and call 64bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setParameters(Camera.Parameters)}. 65bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 66bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If desired, call {@link #setDisplayOrientation(int)}. 67bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 68bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important</b>: Pass a fully initialized {@link SurfaceHolder} to 69bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewDisplay(SurfaceHolder)}. Without a surface, the camera 70bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * will be unable to start the preview. 71bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 72bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important</b>: Call {@link #startPreview()} to start updating the 73bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * preview surface. Preview must be started before you can take a picture. 74bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 75bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>When you want, call {@link #takePicture(Camera.ShutterCallback, 76bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)} to 77bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * capture a photo. Wait for the callbacks to provide the actual image data. 78bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 79bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>After taking a picture, preview display will have stopped. To take more 80bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * photos, call {@link #startPreview()} again first. 81bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 82bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #stopPreview()} to stop updating the preview surface. 83bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 84bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important:</b> Call {@link #release()} to release the camera for 85bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * use by other applications. Applications should release the camera 86bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * immediately in {@link android.app.Activity#onPause()} (and re-{@link #open()} 87bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * it in {@link android.app.Activity#onResume()}). 88bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * </ol> 89bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 90bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To quickly switch to video recording mode, use these steps:</p> 91bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 92bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <ol> 93bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Obtain and initialize a Camera and start preview as described above. 94bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 95bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #unlock()} to allow the media process to access the camera. 96bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 97bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Pass the camera to {@link android.media.MediaRecorder#setCamera(Camera)}. 98bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * See {@link android.media.MediaRecorder} information about video recording. 99bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 100bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>When finished recording, call {@link #reconnect()} to re-acquire 101bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * and re-lock the camera. 102bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 103bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If desired, restart preview and take more photos or videos. 104bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 105bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #stopPreview()} and {@link #release()} as described above. 106bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * </ol> 107bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 108bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This class is not thread-safe, and is meant for use from one event thread. 109bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Most long-running operations (preview, focus, photo capture, etc) happen 110bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * asynchronously and invoke callbacks as necessary. Callbacks will be invoked 111341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * on the event thread {@link #open(int)} was called from. This class's methods 112bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * must never be called from multiple threads at once.</p> 113bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 114df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <p class="caution"><strong>Caution:</strong> Different Android-powered devices 115df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * may have different hardware specifications, such as megapixel ratings and 116df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * auto-focus capabilities. In order for your application to be compatible with 1177478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * more devices, you should not make assumptions about the device camera 118df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * specifications.</p> 1196c5c3c392b8abce93fd2d366f12449c713ed0016Joe Fernandez * 1206c5c3c392b8abce93fd2d366f12449c713ed0016Joe Fernandez * <div class="special reference"> 1216c5c3c392b8abce93fd2d366f12449c713ed0016Joe Fernandez * <h3>Developer Guides</h3> 1226c5c3c392b8abce93fd2d366f12449c713ed0016Joe Fernandez * <p>For more information about using cameras, read the 1236c5c3c392b8abce93fd2d366f12449c713ed0016Joe Fernandez * <a href="{@docRoot}guide/topics/media/camera.html">Camera</a> developer guide.</p> 1246c5c3c392b8abce93fd2d366f12449c713ed0016Joe Fernandez * </div> 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class Camera { 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String TAG = "Camera"; 1289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 129d2c2929c94bec68741b85f4174e11307fb65157fWu-cheng Li // These match the enums in frameworks/base/include/camera/Camera.h 130da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_ERROR = 0x001; 131da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_SHUTTER = 0x002; 132da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_FOCUS = 0x004; 133da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_ZOOM = 0x008; 134da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_PREVIEW_FRAME = 0x010; 135da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_VIDEO_FRAME = 0x020; 136da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_POSTVIEW_FRAME = 0x040; 137da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_RAW_IMAGE = 0x080; 138da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_COMPRESSED_IMAGE = 0x100; 1394c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final int CAMERA_MSG_RAW_IMAGE_NOTIFY = 0x200; 140bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li private static final int CAMERA_MSG_PREVIEW_METADATA = 0x400; 1419d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li private static final int CAMERA_MSG_FOCUS_MOVE = 0x800; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mNativeContext; // accessed by native methods 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private EventHandler mEventHandler; 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ShutterCallback mShutterCallback; 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PictureCallback mRawImageCallback; 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PictureCallback mJpegCallback; 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PreviewCallback mPreviewCallback; 149e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks private PictureCallback mPostviewCallback; 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private AutoFocusCallback mAutoFocusCallback; 1519d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li private AutoFocusMoveCallback mAutoFocusMoveCallback; 1523f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li private OnZoomChangeListener mZoomListener; 1534c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private FaceDetectionListener mFaceListener; 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ErrorCallback mErrorCallback; 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mOneShot; 15694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp private boolean mWithBuffer; 1574c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private boolean mFaceDetectionRunning = false; 158f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li private Object mAutoFocusCallbackLock = new Object(); 1599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16110e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * Broadcast Action: A new picture is taken by the camera, and the entry of 16210e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * the picture has been added to the media store. 16310e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * {@link android.content.Intent#getData} is URI of the picture. 16410e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li */ 16510e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 16610e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li public static final String ACTION_NEW_PICTURE = "android.hardware.action.NEW_PICTURE"; 16710e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li 16810e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li /** 16910e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * Broadcast Action: A new video is recorded by the camera, and the entry 17010e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * of the video has been added to the media store. 17110e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * {@link android.content.Intent#getData} is URI of the video. 17210e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li */ 17310e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 17410e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li public static final String ACTION_NEW_VIDEO = "android.hardware.action.NEW_VIDEO"; 17510e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li 17610e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li /** 1774c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Hardware face detection. It does not use much CPU. 1784c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 179c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li private static final int CAMERA_FACE_DETECTION_HW = 0; 1804c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 1814c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 182c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Software face detection. It uses some CPU. 1834c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 184c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li private static final int CAMERA_FACE_DETECTION_SW = 1; 1854c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 1864c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 187341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Returns the number of physical cameras available on this device. 188e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang */ 189e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang public native static int getNumberOfCameras(); 190e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang 191e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang /** 192341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Returns the information about a particular camera. 193b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * If {@link #getNumberOfCameras()} returns N, the valid id is 0 to N-1. 194b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 195b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public native static void getCameraInfo(int cameraId, CameraInfo cameraInfo); 196b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 197b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 198b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * Information about a camera 199b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 200b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static class CameraInfo { 2017836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li /** 2027836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * The facing of the camera is opposite to that of the screen. 2037836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li */ 204b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static final int CAMERA_FACING_BACK = 0; 2057836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li 2067836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li /** 2077836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * The facing of the camera is the same as that of the screen. 2087836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li */ 209b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static final int CAMERA_FACING_FRONT = 1; 210b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 211b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 212464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * The direction that the camera faces. It should be 213b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * CAMERA_FACING_BACK or CAMERA_FACING_FRONT. 214b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 2157836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li public int facing; 216b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 217b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 21832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The orientation of the camera image. The value is the angle that the 219b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * camera image needs to be rotated clockwise so it shows correctly on 22032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the display in its natural orientation. It should be 0, 90, 180, or 270.</p> 221b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 22232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>For example, suppose a device has a naturally tall screen. The 2232fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * back-facing camera sensor is mounted in landscape. You are looking at 2242fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the screen. If the top side of the camera sensor is aligned with the 2252fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the screen in natural orientation, the value should be 2262fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * 90. If the top side of a front-facing camera sensor is aligned with 22732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the right of the screen, the value should be 270.</p> 228b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 229b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * @see #setDisplayOrientation(int) 23069ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setRotation(int) 23169ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setPreviewSize(int, int) 23269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setPictureSize(int, int) 23369ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setJpegThumbnailSize(int, int) 234b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 2357836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li public int orientation; 236f7c6c5ad64c8e5d20e1806cc98b9919334c69614Eino-Ville Talvala 237f7c6c5ad64c8e5d20e1806cc98b9919334c69614Eino-Ville Talvala /** 238f7c6c5ad64c8e5d20e1806cc98b9919334c69614Eino-Ville Talvala * <p>Whether the shutter sound can be disabled.</p> 239f7c6c5ad64c8e5d20e1806cc98b9919334c69614Eino-Ville Talvala * 240f7c6c5ad64c8e5d20e1806cc98b9919334c69614Eino-Ville Talvala * <p>On some devices, the camera shutter sound cannot be turned off 241f7c6c5ad64c8e5d20e1806cc98b9919334c69614Eino-Ville Talvala * through {@link #enableShutterSound enableShutterSound}. This field 242f7c6c5ad64c8e5d20e1806cc98b9919334c69614Eino-Ville Talvala * can be used to determine whether a call to disable the shutter sound 243f7c6c5ad64c8e5d20e1806cc98b9919334c69614Eino-Ville Talvala * will succeed.</p> 244f7c6c5ad64c8e5d20e1806cc98b9919334c69614Eino-Ville Talvala * 245f7c6c5ad64c8e5d20e1806cc98b9919334c69614Eino-Ville Talvala * <p>If this field is set to true, then a call of 246f7c6c5ad64c8e5d20e1806cc98b9919334c69614Eino-Ville Talvala * {@code enableShutterSound(false)} will be successful. If set to 247f7c6c5ad64c8e5d20e1806cc98b9919334c69614Eino-Ville Talvala * false, then that call will fail, and the shutter sound will be played 248f7c6c5ad64c8e5d20e1806cc98b9919334c69614Eino-Ville Talvala * when {@link Camera#takePicture takePicture} is called.</p> 249f7c6c5ad64c8e5d20e1806cc98b9919334c69614Eino-Ville Talvala */ 250f7c6c5ad64c8e5d20e1806cc98b9919334c69614Eino-Ville Talvala public boolean canDisableShutterSound; 251b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang }; 252b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 253b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 254a1c41e13b521cdd611a8fc46e43b5ae0a2c00238Wu-cheng Li * Creates a new Camera object to access a particular hardware camera. If 255a1c41e13b521cdd611a8fc46e43b5ae0a2c00238Wu-cheng Li * the same camera is opened by other applications, this will throw a 256a1c41e13b521cdd611a8fc46e43b5ae0a2c00238Wu-cheng Li * RuntimeException. 257a1c41e13b521cdd611a8fc46e43b5ae0a2c00238Wu-cheng Li * 258bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>You must call {@link #release()} when you are done using the camera, 259bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * otherwise it will remain locked and be unavailable to other applications. 260bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 261341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * <p>Your application should only have one Camera object active at a time 262341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * for a particular hardware camera. 263bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 264bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callbacks from other methods are delivered to the event loop of the 265bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * thread which called open(). If this thread has no event loop, then 266bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callbacks are delivered to the main application event loop. If there 267bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is no main application event loop, callbacks are not delivered. 268bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 269bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p class="caution"><b>Caution:</b> On some devices, this method may 270bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * take a long time to complete. It is best to call this method from a 271bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * worker thread (possibly using {@link android.os.AsyncTask}) to avoid 272bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * blocking the main application UI thread. 273bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 274341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * @param cameraId the hardware camera to access, between 0 and 275a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * {@link #getNumberOfCameras()}-1. 276bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @return a new Camera object, connected, locked and ready for use. 277a1c41e13b521cdd611a8fc46e43b5ae0a2c00238Wu-cheng Li * @throws RuntimeException if opening the camera fails (for example, if the 278a1c41e13b521cdd611a8fc46e43b5ae0a2c00238Wu-cheng Li * camera is in use by another process or device policy manager has 279a1c41e13b521cdd611a8fc46e43b5ae0a2c00238Wu-cheng Li * disabled the camera). 280facc8ce116bd92f7ba7e8ecb76cbda3953260ef9Wu-cheng Li * @see android.app.admin.DevicePolicyManager#getCameraDisabled(android.content.ComponentName) 281e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang */ 282e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang public static Camera open(int cameraId) { 2837bc1b21a5217c3737ae82edd3ff2d901c69a51adWu-cheng Li return new Camera(cameraId); 284e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang } 285e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang 286e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang /** 287a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * Creates a new Camera object to access the first back-facing camera on the 288a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * device. If the device does not have a back-facing camera, this returns 289a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * null. 2907836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * @see #open(int) 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static Camera open() { 293a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li int numberOfCameras = getNumberOfCameras(); 294a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li CameraInfo cameraInfo = new CameraInfo(); 295a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li for (int i = 0; i < numberOfCameras; i++) { 296a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li getCameraInfo(i, cameraInfo); 297a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li if (cameraInfo.facing == CameraInfo.CAMERA_FACING_BACK) { 2987bc1b21a5217c3737ae82edd3ff2d901c69a51adWu-cheng Li return new Camera(i); 299a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li } 300a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li } 301a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li return null; 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3047bc1b21a5217c3737ae82edd3ff2d901c69a51adWu-cheng Li Camera(int cameraId) { 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = null; 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = null; 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = null; 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 309e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = null; 3103f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = null; 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Looper looper; 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((looper = Looper.myLooper()) != null) { 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((looper = Looper.getMainLooper()) != null) { 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = null; 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3217bc1b21a5217c3737ae82edd3ff2d901c69a51adWu-cheng Li native_setup(new WeakReference<Camera>(this), cameraId); 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3241c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li /** 3251c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * An empty Camera for testing purpose. 3261c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li */ 3271c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li Camera() { 3281c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li } 3291c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li 3309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li protected void finalize() { 331e0cc55ac725feec88c77b482d1990221c9a80f74Eino-Ville Talvala release(); 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3347bc1b21a5217c3737ae82edd3ff2d901c69a51adWu-cheng Li private native final void native_setup(Object camera_this, int cameraId); 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_release(); 3369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Disconnects and releases the Camera object resources. 340bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 341bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>You must call this as soon as you're done with the Camera object.</p> 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public final void release() { 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_release(); 3454c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 349bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unlocks the camera to allow another process to access it. 350bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Normally, the camera is locked to the process with an active Camera 351bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * object until {@link #release()} is called. To allow rapid handoff 352bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * between processes, you can call this method to release the camera 353bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * temporarily for another process to use; once the other process is done 354bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * you can call {@link #reconnect()} to reclaim the camera. 355bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 356bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This must be done before calling 35742419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#setCamera(Camera)}. This cannot be 35842419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * called after recording starts. 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 360bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 362bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if the camera cannot be unlocked. 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 364bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor public native final void unlock(); 3659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 367bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Re-locks the camera to prevent other processes from accessing it. 368bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera objects are locked by default unless {@link #unlock()} is 369bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called. Normally {@link #reconnect()} is used instead. 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 37153b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Since API level 14, camera is automatically locked for applications in 37242419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()}. Applications can use the 37342419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * camera (ex: zoom) after recording starts. There is no need to call this 37442419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * after recording starts or stops. 37542419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * 376bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 377bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 378bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if the camera cannot be re-locked (for 379bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is still in use by another process). 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 381ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li public native final void lock(); 3829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 384bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Reconnects to the camera service after another process used it. 385bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * After {@link #unlock()} is called, another process may use the 386bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera; when the process is done, you must reconnect to the camera, 387bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * which will re-acquire the lock and allow you to continue using the 388bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera. 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 39053b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Since API level 14, camera is automatically locked for applications in 39142419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()}. Applications can use the 39242419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * camera (ex: zoom) after recording starts. There is no need to call this 39342419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * after recording starts or stops. 394bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 395bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 396bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 397bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws IOException if a connection cannot be re-established (for 398bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is still in use by another process). 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 400bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor public native final void reconnect() throws IOException; 4019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 403bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Sets the {@link Surface} to be used for live preview. 404fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Either a surface or surface texture is necessary for preview, and 405fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview is necessary to take pictures. The same surface can be re-set 406fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * without harm. Setting a preview surface will un-set any preview surface 407fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture that was set via {@link #setPreviewTexture}. 4089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 409bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The {@link SurfaceHolder} must already contain a surface when this 410bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method is called. If you are using {@link android.view.SurfaceView}, 411bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * you will need to register a {@link SurfaceHolder.Callback} with 412bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link SurfaceHolder#addCallback(SurfaceHolder.Callback)} and wait for 413bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link SurfaceHolder.Callback#surfaceCreated(SurfaceHolder)} before 414bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling setPreviewDisplay() or starting preview. 415bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 416bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method must be called before {@link #startPreview()}. The 417bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * one exception is that if the preview surface is not set (or set to null) 418bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * before startPreview() is called, then this method may be called once 419bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * with a non-null parameter to set the preview surface. (This allows 420bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera setup and surface creation to happen in parallel, saving time.) 421bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The preview surface may not otherwise change while preview is running. 4229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 423bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param holder containing the Surface on which to place the preview, 424bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to remove the preview surface 425bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws IOException if the method fails (for example, if the surface 426bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is unavailable or unsuitable). 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewDisplay(SurfaceHolder holder) throws IOException { 429b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li if (holder != null) { 430b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li setPreviewDisplay(holder.getSurface()); 431b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } else { 432b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li setPreviewDisplay((Surface)null); 433b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 436dbc289d6c27968bd05cc547ca73579347c3adc99Glenn Kasten private native final void setPreviewDisplay(Surface surface) throws IOException; 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 439fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Sets the {@link SurfaceTexture} to be used for live preview. 440fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Either a surface or surface texture is necessary for preview, and 441fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview is necessary to take pictures. The same surface texture can be 442fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * re-set without harm. Setting a preview surface texture will un-set any 443fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview surface that was set via {@link #setPreviewDisplay}. 444fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * 445fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * <p>This method must be called before {@link #startPreview()}. The 446fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * one exception is that if the preview surface texture is not set (or set 447fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * to null) before startPreview() is called, then this method may be called 448fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * once with a non-null parameter to set the preview surface. (This allows 449fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * camera setup and surface creation to happen in parallel, saving time.) 450fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * The preview surface texture may not otherwise change while preview is 451fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * running. 452fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * 45332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The timestamps provided by {@link SurfaceTexture#getTimestamp()} for a 454e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * SurfaceTexture set as the preview texture have an unspecified zero point, 455e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * and cannot be directly compared between different cameras or different 456e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * instances of the same camera, or across multiple runs of the same 457e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * program. 458e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * 459108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>If you are using the preview data to create video or still images, 460108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * strongly consider using {@link android.media.MediaActionSound} to 461108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * properly indicate image capture or recording start/stop to the user.</p> 462108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * 463108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.media.MediaActionSound 464108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.graphics.SurfaceTexture 465108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.view.TextureView 466fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * @param surfaceTexture the {@link SurfaceTexture} to which the preview 467fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * images are to be sent or null to remove the current preview surface 468fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture 469fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * @throws IOException if the method fails (for example, if the surface 470fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture is unavailable or unsuitable). 471fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis */ 472dbc289d6c27968bd05cc547ca73579347c3adc99Glenn Kasten public native final void setPreviewTexture(SurfaceTexture surfaceTexture) throws IOException; 473fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis 474fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis /** 475bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to deliver copies of preview frames as 476bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * they are displayed. 477bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 478bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallback(Camera.PreviewCallback) 479bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setOneShotPreviewCallback(Camera.PreviewCallback) 480bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 481bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startPreview() 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PreviewCallback 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 486bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as preview frames are displayed. This callback is invoked 487341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * on the event thread {@link #open(int)} was called from. 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 489951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * <p>If using the {@link android.graphics.ImageFormat#YV12} format, 490951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * refer to the equations in {@link Camera.Parameters#setPreviewFormat} 491951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * for the arrangement of the pixel data in the preview callback 492951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * buffers. 493951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * 494bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param data the contents of the preview frame in the format defined 495a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by {@link android.graphics.ImageFormat}, which can be queried 496df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * with {@link android.hardware.Camera.Parameters#getPreviewFormat()}. 497da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * If {@link android.hardware.Camera.Parameters#setPreviewFormat(int)} 4989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * is never called, the default will be the YCbCr_420_SP 4999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * (NV21) format. 500bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param camera the Camera service object. 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPreviewFrame(byte[] data, Camera camera); 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 5049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 506bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts capturing and drawing preview frames to the screen. 507c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * Preview will not actually start until a surface is supplied 508c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * with {@link #setPreviewDisplay(SurfaceHolder)} or 509c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * {@link #setPreviewTexture(SurfaceTexture)}. 510bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 511bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If {@link #setPreviewCallback(Camera.PreviewCallback)}, 512bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(Camera.PreviewCallback)}, or 513bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallbackWithBuffer(Camera.PreviewCallback)} were 514bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called, {@link Camera.PreviewCallback#onPreviewFrame(byte[], Camera)} 515bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * will be called when preview data becomes available. 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final void startPreview(); 5189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 520bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops capturing and drawing preview frames to the surface, and 521bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * resets the camera for a future call to {@link #startPreview()}. 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5234c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void stopPreview() { 5244c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li _stopPreview(); 5254c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 526664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang 527664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mShutterCallback = null; 528664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mRawImageCallback = null; 529664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mPostviewCallback = null; 530664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mJpegCallback = null; 531f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li synchronized (mAutoFocusCallbackLock) { 532f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li mAutoFocusCallback = null; 533f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li } 5349d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li mAutoFocusMoveCallback = null; 5354c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 5364c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 5374c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _stopPreview(); 5389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return current preview state. 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * FIXME: Unhide before release 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final boolean previewEnabled(); 5469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 548108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>Installs a callback to be invoked for every preview frame in addition 549bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to displaying them on the screen. The callback will be repeatedly called 550bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * for as long as preview is active. This method can be called at any time, 551108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * even while preview is live. Any other preview callbacks are 552108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * overridden.</p> 553108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * 554108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>If you are using the preview data to create video or still images, 555108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * strongly consider using {@link android.media.MediaActionSound} to 556108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * properly indicate image capture or recording start/stop to the user.</p> 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 558bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of each preview frame, 559bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 560108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.media.MediaActionSound 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewCallback(PreviewCallback cb) { 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = cb; 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOneShot = false; 56594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 566a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Always use one-shot mode. We fake camera preview mode by 567a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // doing one-shot preview continuously. 56894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 572108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>Installs a callback to be invoked for the next preview frame in 573108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * addition to displaying it on the screen. After one invocation, the 574108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * callback is cleared. This method can be called any time, even when 575108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * preview is live. Any other preview callbacks are overridden.</p> 576108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * 577108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>If you are using the preview data to create video or still images, 578108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * strongly consider using {@link android.media.MediaActionSound} to 579108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * properly indicate image capture or recording start/stop to the user.</p> 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 581bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the next preview frame, 582bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 583108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.media.MediaActionSound 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setOneShotPreviewCallback(PreviewCallback cb) { 58694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 58794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = true; 58894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 58994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 59094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 59194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 59294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp private native final void setHasPreviewCallback(boolean installed, boolean manualBuffer); 59394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 59494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 595108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>Installs a callback to be invoked for every preview frame, using 596108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * buffers supplied with {@link #addCallbackBuffer(byte[])}, in addition to 597bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * displaying them on the screen. The callback will be repeatedly called 598108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * for as long as preview is active and buffers are available. Any other 599108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * preview callbacks are overridden.</p> 60094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 601bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The purpose of this method is to improve preview efficiency and frame 602bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * rate by allowing preview frame memory reuse. You must call 603bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #addCallbackBuffer(byte[])} at some point -- before or after 604108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * calling this method -- or no callbacks will received.</p> 60594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 606108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>The buffer queue will be cleared if this method is called with a null 607bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callback, {@link #setPreviewCallback(Camera.PreviewCallback)} is called, 608108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * or {@link #setOneShotPreviewCallback(Camera.PreviewCallback)} is 609108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * called.</p> 610108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * 611108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>If you are using the preview data to create video or still images, 612108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * strongly consider using {@link android.media.MediaActionSound} to 613108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * properly indicate image capture or recording start/stop to the user.</p> 61494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 615bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the preview frame, 616bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks and clear the buffer queue. 617bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #addCallbackBuffer(byte[]) 618108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.media.MediaActionSound 61994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 62094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp public final void setPreviewCallbackWithBuffer(PreviewCallback cb) { 62194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 62294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = false; 62394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = true; 62494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, true); 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 62794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 6283f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Adds a pre-allocated buffer to the preview callback buffer queue. 6293f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Applications can add one or more buffers to the queue. When a preview 630bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * frame arrives and there is still at least one available buffer, the 631bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * buffer will be used and removed from the queue. Then preview callback is 632bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * invoked with the buffer. If a frame arrives and there is no buffer left, 633bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the frame is discarded. Applications should add buffers back when they 634bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * finish processing the data in them. 635c10275abd6a494c93a025f683dde104a5d4f2793Wu-cheng Li * 636951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * <p>For formats besides YV12, the size of the buffer is determined by 637951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * multiplying the preview image width, height, and bytes per pixel. The 638951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * width and height can be read from 639951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * {@link Camera.Parameters#getPreviewSize()}. Bytes per pixel can be 640951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * computed from {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 641951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * 8, using the image format from 642951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * {@link Camera.Parameters#getPreviewFormat()}. 643951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * 644951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * <p>If using the {@link android.graphics.ImageFormat#YV12} format, the 645951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * size can be calculated using the equations listed in 646951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * {@link Camera.Parameters#setPreviewFormat}. 64794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 648bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only necessary when 649e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link #setPreviewCallbackWithBuffer(PreviewCallback)} is used. When 650bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallback(PreviewCallback)} or 651bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(PreviewCallback)} are used, buffers 652e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * are automatically allocated. When a supplied buffer is too small to 653e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * hold the preview frame data, preview callback will return null and 654e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * the buffer will be removed from the buffer queue. 65594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 656951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * @param callbackBuffer the buffer to add to the queue. The size of the 657951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * buffer must match the values described above. 6585b9bcda3a26e9b1f9b1eff28a2be8853d69614f0Wu-cheng Li * @see #setPreviewCallbackWithBuffer(PreviewCallback) 65994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 660e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addCallbackBuffer(byte[] callbackBuffer) 661e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 662e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, CAMERA_MSG_PREVIEW_FRAME); 663e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 664e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 665e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong /** 666e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Adds a pre-allocated buffer to the raw image callback buffer queue. 667e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Applications can add one or more buffers to the queue. When a raw image 668e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * frame arrives and there is still at least one available buffer, the 669e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * buffer will be used to hold the raw image data and removed from the 670e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. Then raw image callback is invoked with the buffer. If a raw 671e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * image frame arrives but there is no buffer left, the frame is 672e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * discarded. Applications should add buffers back when they finish 673e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * processing the data in them by calling this method again in order 674e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * to avoid running out of raw image callback buffers. 675e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 676e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>The size of the buffer is determined by multiplying the raw image 677e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * width, height, and bytes per pixel. The width and height can be 678e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * read from {@link Camera.Parameters#getPictureSize()}. Bytes per pixel 679e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * can be computed from 680e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 8, 681e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * using the image format from {@link Camera.Parameters#getPreviewFormat()}. 682e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 683e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>This method is only necessary when the PictureCallbck for raw image 684e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * is used while calling {@link #takePicture(Camera.ShutterCallback, 685e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 686e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 68732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Please note that by calling this method, the mode for 68832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * application-managed callback buffers is triggered. If this method has 68932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * never been called, null will be returned by the raw image callback since 69032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * there is no image callback buffer available. Furthermore, When a supplied 69132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * buffer is too small to hold the raw image data, raw image callback will 69232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * return null and the buffer will be removed from the buffer queue. 693e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 694e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @param callbackBuffer the buffer to add to the raw image callback buffer 695e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. The size should be width * height * (bits per pixel) / 8. An 696e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * null callbackBuffer will be ignored and won't be added to the queue. 697e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 698e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @see #takePicture(Camera.ShutterCallback, 699e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 700e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 701e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@hide} 702e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong */ 703e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addRawImageCallbackBuffer(byte[] callbackBuffer) 704e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 705e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong addCallbackBuffer(callbackBuffer, CAMERA_MSG_RAW_IMAGE); 706e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 707e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 708e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private final void addCallbackBuffer(byte[] callbackBuffer, int msgType) 709e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 710e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // CAMERA_MSG_VIDEO_FRAME may be allowed in the future. 711e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (msgType != CAMERA_MSG_PREVIEW_FRAME && 712e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType != CAMERA_MSG_RAW_IMAGE) { 713e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong throw new IllegalArgumentException( 714e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong "Unsupported message type: " + msgType); 715e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 716e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 717e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, msgType); 718e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 719e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 720e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void _addCallbackBuffer( 721e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong byte[] callbackBuffer, int msgType); 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class EventHandler extends Handler 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Camera mCamera; 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public EventHandler(Camera c, Looper looper) { 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(looper); 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCamera = c; 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(msg.what) { 735c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_SHUTTER: 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mShutterCallback != null) { 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback.onShutter(); 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 740c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks 741c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_RAW_IMAGE: 742e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mRawImageCallback != null) { 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback.onPictureTaken((byte[])msg.obj, mCamera); 744e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 747c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_COMPRESSED_IMAGE: 748e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mJpegCallback != null) { 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback.onPictureTaken((byte[])msg.obj, mCamera); 750e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 753c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_PREVIEW_FRAME: 754ca367b717806c4c69190641c3361d3520a44ad08Eino-Ville Talvala PreviewCallback pCb = mPreviewCallback; 755ca367b717806c4c69190641c3361d3520a44ad08Eino-Ville Talvala if (pCb != null) { 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOneShot) { 757a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Clear the callback variable before the callback 758a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // in case the app calls setPreviewCallback from 759a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the callback function 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 76194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } else if (!mWithBuffer) { 762a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // We're faking the camera preview mode to prevent 763a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the app from being flooded with preview frames. 764a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Set to oneshot mode again. 76594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(true, false); 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 767ca367b717806c4c69190641c3361d3520a44ad08Eino-Ville Talvala pCb.onPreviewFrame((byte[])msg.obj, mCamera); 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 771e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_POSTVIEW_FRAME: 772e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mPostviewCallback != null) { 773e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback.onPictureTaken((byte[])msg.obj, mCamera); 774e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 775e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 776e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 777c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_FOCUS: 778f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li AutoFocusCallback cb = null; 779f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li synchronized (mAutoFocusCallbackLock) { 780f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li cb = mAutoFocusCallback; 781f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li } 782f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li if (cb != null) { 783f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li boolean success = msg.arg1 == 0 ? false : true; 784f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li cb.onAutoFocus(success, mCamera); 785e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 786e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 787e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 788e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_ZOOM: 7893f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li if (mZoomListener != null) { 7903f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener.onZoomChange(msg.arg1, msg.arg2 != 0, mCamera); 791e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 794bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li case CAMERA_MSG_PREVIEW_METADATA: 7954c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li if (mFaceListener != null) { 796f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li mFaceListener.onFaceDetection((Face[])msg.obj, mCamera); 7974c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 7984c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li return; 7994c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 800c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_ERROR : 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error " + msg.arg1); 802e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mErrorCallback != null) { 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback.onError(msg.arg1, mCamera); 804e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8079d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li case CAMERA_MSG_FOCUS_MOVE: 8089d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li if (mAutoFocusMoveCallback != null) { 8099d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li mAutoFocusMoveCallback.onAutoFocusMoving(msg.arg1 == 0 ? false : true, mCamera); 8109d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li } 8119d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li return; 8129d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Unknown message type " + msg.what); 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object camera_ref, 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Camera c = (Camera)((WeakReference)camera_ref).get(); 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == null) 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c.mEventHandler != null) { 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Message m = c.mEventHandler.obtainMessage(what, arg1, arg2, obj); 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.mEventHandler.sendMessage(m); 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 834bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to notify on completion of camera auto focus. 835bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 8367478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * <p>Devices that do not support auto-focus will receive a "fake" 8377478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * callback to this interface. If your application needs auto-focus and 838df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * should not be installed on devices <em>without</em> auto-focus, you must 839df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * declare that your app uses the 8407478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * {@code android.hardware.camera.autofocus} feature, in the 841df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 842df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 843bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 844bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(AutoFocusCallback) 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface AutoFocusCallback 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 84969ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * Called when the camera auto focus completes. If the camera 85069ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * does not support auto-focus and autoFocus is called, 85169ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * onAutoFocus will be called immediately with a fake value of 85269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <code>success</code> set to <code>true</code>. 8539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 854b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * The auto-focus routine does not lock auto-exposure and auto-white 855b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * balance after it completes. 85683d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param success true if focus was successful, false if otherwise 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 85983d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoExposureLock(boolean) 86083d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean) 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onAutoFocus(boolean success, Camera camera); 86353b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li } 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 866bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts camera auto-focus and registers a callback function to run when 867bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the camera is focused. This method is only valid when preview is active 868bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * (between {@link #startPreview()} and before {@link #stopPreview()}). 869bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 870bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callers should check 871bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.hardware.Camera.Parameters#getFocusMode()} to determine if 872bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this method should be called. If the camera does not support auto-focus, 873bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * it is a no-op and {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} 87436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * callback will be called immediately. 875bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 876da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If your application should not be installed 8777478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * on devices without auto-focus, you must declare that your application 8787478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * uses auto-focus with the 879df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 880df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 881bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 882068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * <p>If the current flash mode is not 883068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * {@link android.hardware.Camera.Parameters#FLASH_MODE_OFF}, flash may be 884bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * fired during auto-focus, depending on the driver and camera hardware.<p> 8857478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 88653b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Auto-exposure lock {@link android.hardware.Camera.Parameters#getAutoExposureLock()} 887b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * and auto-white balance locks {@link android.hardware.Camera.Parameters#getAutoWhiteBalanceLock()} 888b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * do not change during and after autofocus. But auto-focus routine may stop 889b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * auto-exposure and auto-white balance transiently during focusing. 89083d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * 89153b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Stopping preview with {@link #stopPreview()}, or triggering still 89253b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * image capture with {@link #takePicture(Camera.ShutterCallback, 89353b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}, will not change the 89453b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * the focus position. Applications must call cancelAutoFocus to reset the 89553b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * focus.</p> 89653b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 897108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>If autofocus is successful, consider using 898108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * {@link android.media.MediaActionSound} to properly play back an autofocus 899108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * success sound to the user.</p> 900108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cb the callback to run 902bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #cancelAutoFocus() 90383d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoExposureLock(boolean) 90483d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean) 905108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.media.MediaActionSound 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void autoFocus(AutoFocusCallback cb) 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 909f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li synchronized (mAutoFocusCallbackLock) { 910248ba23ad28c1f8fb69904663204df08c5818700James Dong mAutoFocusCallback = cb; 911248ba23ad28c1f8fb69904663204df08c5818700James Dong } 912f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li native_autoFocus(); 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_autoFocus(); 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 917bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Cancels any auto-focus function in progress. 918bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Whether or not auto-focus is currently in progress, 919bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this function will return the focus position to the default. 920244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang * If the camera does not support auto-focus, this is a no-op. 921bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 922bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(Camera.AutoFocusCallback) 923244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang */ 924244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang public final void cancelAutoFocus() 925244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang { 926f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li synchronized (mAutoFocusCallbackLock) { 927248ba23ad28c1f8fb69904663204df08c5818700James Dong mAutoFocusCallback = null; 928248ba23ad28c1f8fb69904663204df08c5818700James Dong } 929f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li native_cancelAutoFocus(); 930f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // CAMERA_MSG_FOCUS should be removed here because the following 931f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // scenario can happen: 932f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // - An application uses the same thread for autoFocus, cancelAutoFocus 933f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // and looper thread. 934f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // - The application calls autoFocus. 935f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // - HAL sends CAMERA_MSG_FOCUS, which enters the looper message queue. 936f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // Before event handler's handleMessage() is invoked, the application 937f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // calls cancelAutoFocus and autoFocus. 938f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // - The application gets the old CAMERA_MSG_FOCUS and thinks autofocus 939f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // has been completed. But in fact it is not. 940f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // 941f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // As documented in the beginning of the file, apps should not use 942f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // multiple threads to call autoFocus and cancelAutoFocus at the same 943f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // time. It is HAL's responsibility not to send a CAMERA_MSG_FOCUS 944f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // message after native_cancelAutoFocus is called. 945f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li mEventHandler.removeMessages(CAMERA_MSG_FOCUS); 946244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang } 947244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang private native final void native_cancelAutoFocus(); 948244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang 949244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang /** 9509d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * Callback interface used to notify on auto focus start and stop. 9519d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * 9526574539baecc8610529596554b7bca0f21b334b8Wu-cheng Li * <p>This is only supported in continuous autofocus modes -- {@link 9536574539baecc8610529596554b7bca0f21b334b8Wu-cheng Li * Parameters#FOCUS_MODE_CONTINUOUS_VIDEO} and {@link 9546574539baecc8610529596554b7bca0f21b334b8Wu-cheng Li * Parameters#FOCUS_MODE_CONTINUOUS_PICTURE}. Applications can show 9556574539baecc8610529596554b7bca0f21b334b8Wu-cheng Li * autofocus animation based on this.</p> 9569d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li */ 9579d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li public interface AutoFocusMoveCallback 9589d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li { 9599d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li /** 9609d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * Called when the camera auto focus starts or stops. 9619d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * 9629d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * @param start true if focus starts to move, false if focus stops to move 9636574539baecc8610529596554b7bca0f21b334b8Wu-cheng Li * @param camera the Camera service object 9649d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li */ 9659d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li void onAutoFocusMoving(boolean start, Camera camera); 9669d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li } 9679d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 9689d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li /** 9699d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * Sets camera auto-focus move callback. 9709d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * 9719d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * @param cb the callback to run 9729d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li */ 9739d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li public void setAutoFocusMoveCallback(AutoFocusMoveCallback cb) { 9749d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li mAutoFocusMoveCallback = cb; 9759d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li enableFocusMoveCallback((mAutoFocusMoveCallback != null) ? 1 : 0); 9769d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li } 9779d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 9789d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li private native void enableFocusMoveCallback(int enable); 9799d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 9809d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li /** 981bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to signal the moment of actual image capture. 982bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 983bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ShutterCallback 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 988bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as near as possible to the moment when a photo is captured 989bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * from the sensor. This is a good opportunity to play a shutter sound 990bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or give other feedback of camera operation. This may be some time 991bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * after the photo was triggered, but some time before the actual data 992bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is available. 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onShutter(); 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 998bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to supply image data from a photo capture. 999bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1000bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PictureCallback { 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1004bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when image data is available after a picture is taken. 1005bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The format of the data depends on the context of the callback 1006bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * and {@link Camera.Parameters} settings. 10079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param data a byte array of the picture data 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPictureTaken(byte[] data, Camera camera); 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1015bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Equivalent to takePicture(shutter, raw, null, jpeg). 10169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1017bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void takePicture(ShutterCallback shutter, PictureCallback raw, 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PictureCallback jpeg) { 1021e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks takePicture(shutter, raw, null, jpeg); 1022e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 1023e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void native_takePicture(int msgType); 1024e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 1025e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 10269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Triggers an asynchronous image capture. The camera service will initiate 10279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * a series of callbacks to the application as the image capture progresses. 10289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The shutter callback occurs after the image is captured. This can be used 10299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to trigger a sound to let the user know that image has been captured. The 10309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * raw callback occurs when the raw image data is available (NOTE: the data 1031e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * will be null if there is no raw image callback buffer available or the 1032e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * raw image callback buffer is not large enough to hold the raw image). 10339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The postview callback occurs when a scaled, fully processed postview 10349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * image is available (NOTE: not all hardware supports this). The jpeg 10359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * callback occurs when the compressed image is available. If the 10369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * application does not need a particular callback, a null can be passed 10379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * instead of a callback method. 1038e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * 1039bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only valid when preview is active (after 1040bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #startPreview()}). Preview will be stopped after the image is 1041bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * taken; callers must call {@link #startPreview()} again if they want to 104242419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * re-start preview or take more pictures. This should not be called between 104342419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()} and 104442419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#stop()}. 104540057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 1046bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>After calling this method, you must not call {@link #startPreview()} 1047bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or take another picture until the JPEG callback has returned. 104840057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 1049bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param shutter the callback for image capture moment, or null 1050bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param raw the callback for raw (uncompressed) image data, or null 1051e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param postview callback with postview image data, may be null 1052bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param jpeg the callback for JPEG image data, or null 1053e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 1054e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks public final void takePicture(ShutterCallback shutter, PictureCallback raw, 1055e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks PictureCallback postview, PictureCallback jpeg) { 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = shutter; 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = raw; 1058e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = postview; 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = jpeg; 1060e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 1061e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // If callback is not set, do not send me callbacks. 1062e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong int msgType = 0; 1063e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mShutterCallback != null) { 1064e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_SHUTTER; 1065e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 1066e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mRawImageCallback != null) { 1067e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_RAW_IMAGE; 1068e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 1069e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mPostviewCallback != null) { 1070e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_POSTVIEW_FRAME; 1071e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 1072e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mJpegCallback != null) { 1073e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_COMPRESSED_IMAGE; 1074e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 1075e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 1076e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong native_takePicture(msgType); 1077e9c6c9ccfde7a642a4c0554e2d066f3dbbea98ceWu-cheng Li mFaceDetectionRunning = false; 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1080e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 1081bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Zooms to the requested value smoothly. The driver will notify {@link 10823f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} of the zoom value and whether zoom is stopped at 10833f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * the time. For example, suppose the current zoom is 0 and startSmoothZoom 1084bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with value 3. The 1085bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.OnZoomChangeListener#onZoomChange(int, boolean, Camera)} 1086bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method will be called three times with zoom values 1, 2, and 3. 1087bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications can call {@link #stopSmoothZoom} to stop the zoom earlier. 1088bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications should not call startSmoothZoom again or change the zoom 1089bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * value before zoom stops. If the supplied zoom value equals to the current 1090bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * zoom value, no zoom callback will be generated. This method is supported 1091bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * if {@link android.hardware.Camera.Parameters#isSmoothZoomSupported} 1092bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * returns true. 109336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 109436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link 109536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * android.hardware.Camera.Parameters#getMaxZoom}. 10960ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws IllegalArgumentException if the zoom value is invalid. 10970ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 1098bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 109936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 110036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void startSmoothZoom(int value); 110136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 110236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 1103bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops the smooth zoom. Applications should wait for the {@link 11043f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} to know when the zoom is actually stopped. This 11053f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * method is supported if {@link 11068cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * android.hardware.Camera.Parameters#isSmoothZoomSupported} is true. 11070ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * 11080ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 110936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 111036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void stopSmoothZoom(); 111136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 111236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 11132fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Set the clockwise rotation of preview display in degrees. This affects 11142fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the preview frames and the picture displayed after snapshot. This method 11152fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * is useful for portrait mode applications. Note that preview display of 1116b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * front-facing cameras is flipped horizontally before the rotation, that 1117b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * is, the image is reflected along the central vertical axis of the camera 1118b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * sensor. So the users can see themselves as looking into a mirror. 1119d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 112069ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>This does not affect the order of byte array passed in {@link 11212fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * PreviewCallback#onPreviewFrame}, JPEG pictures, or recorded videos. This 11222fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * method is not allowed to be called during preview. 1123d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 112469ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If you want to make the camera image show in the same orientation as 112569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * the display, you can use the following code. 1126b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * <pre> 1127724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * public static void setCameraDisplayOrientation(Activity activity, 1128724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int cameraId, android.hardware.Camera camera) { 1129724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.CameraInfo info = 1130724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * new android.hardware.Camera.CameraInfo(); 1131724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.getCameraInfo(cameraId, info); 1132724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int rotation = activity.getWindowManager().getDefaultDisplay() 1133724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * .getRotation(); 1134724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int degrees = 0; 1135724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * switch (rotation) { 1136724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_0: degrees = 0; break; 1137724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_90: degrees = 90; break; 1138724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_180: degrees = 180; break; 1139724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_270: degrees = 270; break; 1140724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 1141b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 11422fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int result; 11432fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) { 11442fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation + degrees) % 360; 11452fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (360 - result) % 360; // compensate the mirror 11462fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing 11472fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation - degrees + 360) % 360; 11482fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 1149724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * camera.setDisplayOrientation(result); 1150724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 1151b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * </pre> 1152d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * 1153d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * <p>Starting from API level 14, this method can be called when preview is 1154d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * active. 1155d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * 1156d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * @param degrees the angle that the picture will be rotated clockwise. 1157e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * Valid values are 0, 90, 180, and 270. The starting 1158e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * position is 0 (landscape). 11592fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * @see #setPreviewDisplay(SurfaceHolder) 1160d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang */ 1161d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang public native final void setDisplayOrientation(int degrees); 1162d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang 1163d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang /** 116469fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala * Enable or disable the default shutter sound when taking a picture. 116569fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala * 116669fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala * By default, the camera plays the system-defined camera shutter sound when 116769fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala * {@link #takePicture} is called. Using this method, the shutter sound can 116869fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala * be disabled. It is strongly recommended that an alternative shutter sound 116969fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala * is played in the {@link ShutterCallback} when the system shutter sound is 117069fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala * disabled. 117169fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala * 117269fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala * Note that devices may not always allow control of the camera shutter 117369fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala * sound. If the shutter sound cannot be controlled, this method will return 117469fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala * false. 117569fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala * 117669fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala * @param enabled whether the camera should play the system shutter sound 117769fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala * when {@link #takePicture takePicture} is called. 117869fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala * @return true if the shutter sound state was successfully changed. False 117969fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala * if the shutter sound cannot be controlled; in this case, the 118069fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala * application should not play its own shutter sound since the 118169fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala * system shutter sound will play when a picture is taken. 118269fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala * @see #takePicture 118369fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala * @see ShutterCallback 118469fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala */ 118569fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala public native final boolean enableShutterSound(boolean enabled); 118669fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala 118769fe527bea12f262bfb1a5838f40e3433ad3cb78Eino-Ville Talvala /** 1188bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for zoom changes during a smooth zoom operation. 1189bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1190bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 1191bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startSmoothZoom(int) 1192e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 11933f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public interface OnZoomChangeListener 1194e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 1195e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 1196bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when the zoom value has changed during a smooth zoom. 119736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 119836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param zoomValue the current zoom value. In smooth zoom mode, camera 11993f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * calls this for every new zoom value. 120036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param stopped whether smooth zoom is stopped. If the value is true, 120136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this is the last zoom update for the application. 1202e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param camera the Camera service object 1203e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 12043f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li void onZoomChange(int zoomValue, boolean stopped, Camera camera); 1205e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks }; 1206e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 1207e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 12083f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Registers a listener to be notified when the zoom value is updated by the 120936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * camera driver during smooth zoom. 12108cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * 12113f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param listener the listener to notify 12128cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @see #startSmoothZoom(int) 1213e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 12143f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public final void setZoomChangeListener(OnZoomChangeListener listener) 1215e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 12163f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = listener; 1217e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 12189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 12194c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 12204c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Callback interface for face detected in the preview frame. 12214c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 12224c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 12234c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public interface FaceDetectionListener 12244c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li { 12254c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 12264c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Notify the listener of the detected faces in the preview frame. 12274c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 122853b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * @param faces The detected faces in a list 1229464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @param camera The {@link Camera} service object 12304c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1231f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li void onFaceDetection(Face[] faces, Camera camera); 12324c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 12334c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 12344c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1235c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Registers a listener to be notified about the faces detected in the 12364c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * preview frame. 12374c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 12384c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @param listener the listener to notify 1239c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @see #startFaceDetection() 12404c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 12414c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void setFaceDetectionListener(FaceDetectionListener listener) 12424c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li { 12434c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceListener = listener; 12444c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 12454c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 12464c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1247c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Starts the face detection. This should be called after preview is started. 12484c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * The camera will notify {@link FaceDetectionListener} of the detected 12494c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * faces in the preview frame. The detected faces may be the same as the 12504c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * previous ones. Applications should call {@link #stopFaceDetection} to 12514c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * stop the face detection. This method is supported if {@link 1252c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Parameters#getMaxNumDetectedFaces()} returns a number larger than 0. 12534c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * If the face detection has started, apps should not call this again. 12544c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 12558c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>When the face detection is running, {@link Parameters#setWhiteBalance(String)}, 12564c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * {@link Parameters#setFocusAreas(List)}, and {@link Parameters#setMeteringAreas(List)} 12578c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * have no effect. The camera uses the detected faces to do auto-white balance, 12588c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * auto exposure, and autofocus. 12598c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * 12608c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>If the apps call {@link #autoFocus(AutoFocusCallback)}, the camera 12618c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * will stop sending face callbacks. The last face callback indicates the 12628c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * areas used to do autofocus. After focus completes, face detection will 12638c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * resume sending face callbacks. If the apps call {@link 12648c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * #cancelAutoFocus()}, the face callbacks will also resume.</p> 12658c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * 12668c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>After calling {@link #takePicture(Camera.ShutterCallback, Camera.PictureCallback, 12678c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * Camera.PictureCallback)} or {@link #stopPreview()}, and then resuming 12688c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * preview with {@link #startPreview()}, the apps should call this method 12698c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * again to resume face detection.</p> 12704c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1271c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @throws IllegalArgumentException if the face detection is unsupported. 12724c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @throws RuntimeException if the method fails or the face detection is 12734c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * already running. 12744c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see FaceDetectionListener 12754c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #stopFaceDetection() 1276c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @see Parameters#getMaxNumDetectedFaces() 12774c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1278c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li public final void startFaceDetection() { 12794c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li if (mFaceDetectionRunning) { 12804c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li throw new RuntimeException("Face detection is already running"); 12814c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 1282c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li _startFaceDetection(CAMERA_FACE_DETECTION_HW); 12834c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = true; 12844c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 12854c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 12864c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1287c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Stops the face detection. 12884c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1289464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 12904c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 12914c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void stopFaceDetection() { 12924c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li _stopFaceDetection(); 12934c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 12944c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 12954c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 12964c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _startFaceDetection(int type); 12974c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _stopFaceDetection(); 12984c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 12994c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1300464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * Information about a face identified through camera face detection. 130153b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 1302464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * <p>When face detection is used with a camera, the {@link FaceDetectionListener} returns a 1303464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * list of face objects for use in focusing and metering.</p> 13044c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1305464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see FaceDetectionListener 13064c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1307f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li public static class Face { 1308c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li /** 1309c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Create an empty face. 1310c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li */ 1311bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public Face() { 1312bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li } 1313bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li 13144c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 13154c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Bounds of the face. (-1000, -1000) represents the top-left of the 13164c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * camera field of view, and (1000, 1000) represents the bottom-right of 1317c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * the field of view. For example, suppose the size of the viewfinder UI 1318c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * is 800x480. The rect passed from the driver is (-1000, -1000, 0, 0). 13198c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * The corresponding viewfinder rect should be (0, 0, 400, 240). It is 13208c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * guaranteed left < right and top < bottom. The coordinates can be 13218c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * smaller than -1000 or bigger than 1000. But at least one vertex will 13228c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * be within (-1000, -1000) and (1000, 1000). 1323f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * 1324f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * <p>The direction is relative to the sensor orientation, that is, what 1325f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * the sensor sees. The direction is not affected by the rotation or 13268c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * mirroring of {@link #setDisplayOrientation(int)}. The face bounding 13278c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * rectangle does not provide any information about face orientation.</p> 13288c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * 13298c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>Here is the matrix to convert driver coordinates to View coordinates 13308c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * in pixels.</p> 13318c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <pre> 13328c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * Matrix matrix = new Matrix(); 13338c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * CameraInfo info = CameraHolder.instance().getCameraInfo()[cameraId]; 13348c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // Need mirror for front camera. 13358c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * boolean mirror = (info.facing == CameraInfo.CAMERA_FACING_FRONT); 13368c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.setScale(mirror ? -1 : 1, 1); 13378c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // This is the value for android.hardware.Camera.setDisplayOrientation. 13388c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.postRotate(displayOrientation); 13398c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // Camera driver coordinates range from (-1000, -1000) to (1000, 1000). 13408c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // UI coordinates range from (0, 0) to (width, height). 13418c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.postScale(view.getWidth() / 2000f, view.getHeight() / 2000f); 13428c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.postTranslate(view.getWidth() / 2f, view.getHeight() / 2f); 13438c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * </pre> 13444c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1345464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 13464c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1347bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public Rect rect; 13484c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 13494c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 13508df3b2b3989df44953153603681e03140fd853d6Eino-Ville Talvala * <p>The confidence level for the detection of the face. The range is 1 to 13518df3b2b3989df44953153603681e03140fd853d6Eino-Ville Talvala * 100. 100 is the highest confidence.</p> 13528df3b2b3989df44953153603681e03140fd853d6Eino-Ville Talvala * 13538df3b2b3989df44953153603681e03140fd853d6Eino-Ville Talvala * <p>Depending on the device, even very low-confidence faces may be 13548df3b2b3989df44953153603681e03140fd853d6Eino-Ville Talvala * listed, so applications should filter out faces with low confidence, 13558df3b2b3989df44953153603681e03140fd853d6Eino-Ville Talvala * depending on the use case. For a typical point-and-shoot camera 13568df3b2b3989df44953153603681e03140fd853d6Eino-Ville Talvala * application that wishes to display rectangles around detected faces, 13578df3b2b3989df44953153603681e03140fd853d6Eino-Ville Talvala * filtering out faces with confidence less than 50 is recommended.</p> 13584c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1359464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 13604c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1361bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public int score; 1362d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1363d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1364d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * An unique id per face while the face is visible to the tracker. If 1365d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * the face leaves the field-of-view and comes back, it will get a new 1366d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * id. This is an optional field, may not be supported on all devices. 1367d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * If not supported, id will always be set to -1. The optional fields 1368d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * are supported as a set. Either they are all valid, or none of them 1369d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * are. 1370d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1371d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public int id = -1; 1372d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1373d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1374d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * The coordinates of the center of the left eye. The coordinates are in 1375d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * the same space as the ones for {@link #rect}. This is an optional 1376d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * field, may not be supported on all devices. If not supported, the 1377d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * value will always be set to null. The optional fields are supported 1378d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * as a set. Either they are all valid, or none of them are. 1379d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1380d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public Point leftEye = null; 1381d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1382d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1383d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * The coordinates of the center of the right eye. The coordinates are 1384d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * in the same space as the ones for {@link #rect}.This is an optional 1385d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * field, may not be supported on all devices. If not supported, the 1386d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * value will always be set to null. The optional fields are supported 1387d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * as a set. Either they are all valid, or none of them are. 1388d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1389d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public Point rightEye = null; 1390d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1391d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1392d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * The coordinates of the center of the mouth. The coordinates are in 1393d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * the same space as the ones for {@link #rect}. This is an optional 1394d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * field, may not be supported on all devices. If not supported, the 1395d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * value will always be set to null. The optional fields are supported 1396d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * as a set. Either they are all valid, or none of them are. 1397d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1398d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public Point mouth = null; 13994c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 14004c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 1401bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor // Error codes match the enum in include/ui/Camera.h 1402bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 1403bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 1404bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unspecified camera error. 1405bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 1406bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 14079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_UNKNOWN = 1; 1408bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 1409bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 1410bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Media server died. In this case, the application must release the 1411bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera object and instantiate a new one. 1412bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 1413bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 14149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_SERVER_DIED = 100; 14159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 14169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1417bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for camera error notification. 1418bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1419bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setErrorCallback(ErrorCallback) 14209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ErrorCallback 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback for camera errors. 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param error error code: 14269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 14279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_UNKNOWN} 14289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_SERVER_DIED} 14299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onError(int error, Camera camera); 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 14349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Registers a callback to be invoked when an error occurs. 1437bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb The callback to run 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setErrorCallback(ErrorCallback cb) 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 14419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback = cb; 14429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_setParameters(String params); 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final String native_getParameters(); 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1448bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Changes the settings for this Camera service. 14499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the Parameters to use for this Camera service 145199a3f3e4e06b4370101ca97cc11dbe81d772fefaWu-cheng Li * @throws RuntimeException if any parameter is invalid or not supported. 1452bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #getParameters() 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setParameters(Parameters params) { 14559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setParameters(params.flatten()); 14569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1459bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Returns the current settings for this Camera service. 1460bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * If modifications are made to the returned Parameters, they must be passed 1461bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to {@link #setParameters(Camera.Parameters)} to take effect. 1462bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1463bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setParameters(Camera.Parameters) 14649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Parameters getParameters() { 14669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parameters p = new Parameters(); 14679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = native_getParameters(); 14689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.unflatten(s); 14699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p; 14709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14731c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * Returns an empty {@link Parameters} for testing purpose. 14741c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * 1475f76a50ce8fdc6aea22cabc77b2977a1a15a79630Ken Wakasa * @return a Parameter object. 14761c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * 14771c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * @hide 14781c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li */ 14791c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li public static Parameters getEmptyParameters() { 14801c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li Camera camera = new Camera(); 14811c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li return camera.new Parameters(); 14821c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li } 14831c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li 14841c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li /** 1485bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Image size (width and height dimensions). 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Size { 14889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the dimensions for pictures. 14909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param w the photo width (pixels) 14929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param h the photo height (pixels) 14939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size(int w, int h) { 14959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project width = w; 14969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = h; 14979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14984c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 14994c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Compares {@code obj} to this size. 15004c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 15014c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @param obj the object to compare this size with. 15024c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @return {@code true} if the width and height of {@code obj} is the 15034c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * same as those of this size. {@code false} otherwise. 15044c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 15054c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 15064c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public boolean equals(Object obj) { 15074c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li if (!(obj instanceof Size)) { 15084c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return false; 15094c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 15104c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li Size s = (Size) obj; 15114c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width == s.width && height == s.height; 15124c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 15134c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 15144c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public int hashCode() { 15154c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width * 32713 + height; 15164c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 15179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** width of the picture */ 15189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int width; 15199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** height of the picture */ 15209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int height; 15219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 15229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 152432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The Area class is used for choosing specific metering and focus areas for 152532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the camera to use when calculating auto-exposure, auto-white balance, and 152632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * auto-focus.</p> 152732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 152832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>To find out how many simultaneous areas a given camera supports, use 152932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link Parameters#getMaxNumMeteringAreas()} and 153032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link Parameters#getMaxNumFocusAreas()}. If metering or focusing area 153132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * selection is unsupported, these methods will return 0.</p> 153232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 153332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each Area consists of a rectangle specifying its bounds, and a weight 153432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * that determines its importance. The bounds are relative to the camera's 153532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * current field of view. The coordinates are mapped so that (-1000, -1000) 153632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * is always the top-left corner of the current field of view, and (1000, 153732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 1000) is always the bottom-right corner of the current field of 153832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * view. Setting Areas with bounds outside that range is not allowed. Areas 153932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * with zero or negative width or height are not allowed.</p> 154032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 154132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000, and represents a weight for 154232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * every pixel in the area. This means that a large metering area with 154332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the same weight as a smaller area will have more effect in the 154432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * metering result. Metering areas can overlap and the driver 154532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * will add the weights in the overlap region.</p> 1546bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1547bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#setFocusAreas(List) 1548bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1549bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMaxNumFocusAreas() 1550bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#setMeteringAreas(List) 1551bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1552bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMaxNumMeteringAreas() 155330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 155430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public static class Area { 155530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 155630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Create an area with specified rectangle and weight. 155730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 155832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * @param rect the bounds of the area. 155932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * @param weight the weight of the area. 156030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 156130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public Area(Rect rect, int weight) { 156230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li this.rect = rect; 156330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li this.weight = weight; 156430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 156530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 156630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Compares {@code obj} to this area. 156730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 156830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @param obj the object to compare this area with. 156930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return {@code true} if the rectangle and weight of {@code obj} is 157030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * the same as those of this area. {@code false} otherwise. 157130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 157230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li @Override 157330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public boolean equals(Object obj) { 157430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (!(obj instanceof Area)) { 157530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return false; 157630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 157730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Area a = (Area) obj; 157830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (rect == null) { 157930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (a.rect != null) return false; 158030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } else { 158130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (!rect.equals(a.rect)) return false; 158230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 158330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return weight == a.weight; 158430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 158530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 1586bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li /** 158732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * Bounds of the area. (-1000, -1000) represents the top-left of the 158832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * camera field of view, and (1000, 1000) represents the bottom-right of 158932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the field of view. Setting bounds outside that range is not 159032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * allowed. Bounds with zero or negative width or height are not 159132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * allowed. 1592bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1593bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1594bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1595bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li */ 159630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public Rect rect; 159730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 1598bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li /** 159932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * Weight of the area. The weight must range from 1 to 1000, and 160032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * represents a weight for every pixel in the area. This means that a 160132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * large metering area with the same weight as a smaller area will have 160232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * more effect in the metering result. Metering areas can overlap and 160332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the driver will add the weights in the overlap region. 1604bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1605bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1606bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1607bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li */ 160830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public int weight; 1609bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li } 161030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 161130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 1612bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera service settings. 16139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 16149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>To make camera parameters take effect, applications have to call 1615bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera#setParameters(Camera.Parameters)}. For example, after 1616bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#setWhiteBalance} is called, white balance is not 1617bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * actually changed until {@link Camera#setParameters(Camera.Parameters)} 1618bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with the changed parameters object. 16199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 16209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>Different devices may have different camera capabilities, such as 16219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * picture size or flash modes. The application should query the camera 16229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * capabilities before setting parameters. For example, the application 1623bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * should call {@link Camera.Parameters#getSupportedColorEffects()} before 1624bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling {@link Camera.Parameters#setColorEffect(String)}. If the 1625bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera does not support color effects, 1626bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#getSupportedColorEffects()} will return null. 16279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Parameters { 16299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter keys to communicate with the camera driver. 16309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_SIZE = "preview-size"; 16319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FORMAT = "preview-format"; 16329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FRAME_RATE = "preview-frame-rate"; 1633454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private static final String KEY_PREVIEW_FPS_RANGE = "preview-fps-range"; 16349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_SIZE = "picture-size"; 16359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_FORMAT = "picture-format"; 16364c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_SIZE = "jpeg-thumbnail-size"; 16379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_WIDTH = "jpeg-thumbnail-width"; 16389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_HEIGHT = "jpeg-thumbnail-height"; 16399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_QUALITY = "jpeg-thumbnail-quality"; 16409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_QUALITY = "jpeg-quality"; 16419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ROTATION = "rotation"; 16429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LATITUDE = "gps-latitude"; 16439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LONGITUDE = "gps-longitude"; 16449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_ALTITUDE = "gps-altitude"; 16459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_TIMESTAMP = "gps-timestamp"; 1646055c986ab841f8f758398841730f1e90313b132aRay Chen private static final String KEY_GPS_PROCESSING_METHOD = "gps-processing-method"; 16479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_WHITE_BALANCE = "whitebalance"; 16489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_EFFECT = "effect"; 16499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ANTIBANDING = "antibanding"; 16509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_SCENE_MODE = "scene-mode"; 16519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_FLASH_MODE = "flash-mode"; 165236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li private static final String KEY_FOCUS_MODE = "focus-mode"; 165330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private static final String KEY_FOCUS_AREAS = "focus-areas"; 165430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private static final String KEY_MAX_NUM_FOCUS_AREAS = "max-num-focus-areas"; 16556c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_FOCAL_LENGTH = "focal-length"; 16566c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_HORIZONTAL_VIEW_ANGLE = "horizontal-view-angle"; 16576c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_VERTICAL_VIEW_ANGLE = "vertical-view-angle"; 1658ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION = "exposure-compensation"; 165924b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MAX_EXPOSURE_COMPENSATION = "max-exposure-compensation"; 166024b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MIN_EXPOSURE_COMPENSATION = "min-exposure-compensation"; 166124b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION_STEP = "exposure-compensation-step"; 16623773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String KEY_AUTO_EXPOSURE_LOCK = "auto-exposure-lock"; 16633773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String KEY_AUTO_EXPOSURE_LOCK_SUPPORTED = "auto-exposure-lock-supported"; 1664d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala private static final String KEY_AUTO_WHITEBALANCE_LOCK = "auto-whitebalance-lock"; 1665d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala private static final String KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED = "auto-whitebalance-lock-supported"; 1666e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private static final String KEY_METERING_AREAS = "metering-areas"; 1667e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private static final String KEY_MAX_NUM_METERING_AREAS = "max-num-metering-areas"; 16688cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM = "zoom"; 16698cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_MAX_ZOOM = "max-zoom"; 16708cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_RATIOS = "zoom-ratios"; 16718cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_SUPPORTED = "zoom-supported"; 16728cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_SMOOTH_ZOOM_SUPPORTED = "smooth-zoom-supported"; 1673e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li private static final String KEY_FOCUS_DISTANCES = "focus-distances"; 1674dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_VIDEO_SIZE = "video-size"; 1675dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO = 1676dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong "preferred-preview-size-for-video"; 16774c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final String KEY_MAX_NUM_DETECTED_FACES_HW = "max-num-detected-faces-hw"; 16784c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final String KEY_MAX_NUM_DETECTED_FACES_SW = "max-num-detected-faces-sw"; 167925d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li private static final String KEY_RECORDING_HINT = "recording-hint"; 168098bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li private static final String KEY_VIDEO_SNAPSHOT_SUPPORTED = "video-snapshot-supported"; 1681037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala private static final String KEY_VIDEO_STABILIZATION = "video-stabilization"; 1682037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala private static final String KEY_VIDEO_STABILIZATION_SUPPORTED = "video-stabilization-supported"; 1683e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 16849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter key suffix for supported values. 16859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String SUPPORTED_VALUES_SUFFIX = "-values"; 16869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 16878cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String TRUE = "true"; 16883773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String FALSE = "false"; 16898cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li 16909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for white balance settings. 16919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_AUTO = "auto"; 16929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_INCANDESCENT = "incandescent"; 16939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_FLUORESCENT = "fluorescent"; 16949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_WARM_FLUORESCENT = "warm-fluorescent"; 16959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_DAYLIGHT = "daylight"; 16969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_CLOUDY_DAYLIGHT = "cloudy-daylight"; 16979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_TWILIGHT = "twilight"; 16989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_SHADE = "shade"; 16999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 17009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for color effect settings. 17019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NONE = "none"; 17029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_MONO = "mono"; 17039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NEGATIVE = "negative"; 17049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SOLARIZE = "solarize"; 17059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SEPIA = "sepia"; 17069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_POSTERIZE = "posterize"; 17079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_WHITEBOARD = "whiteboard"; 17089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_BLACKBOARD = "blackboard"; 17099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_AQUA = "aqua"; 17109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 17119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for antibanding settings. 17129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_AUTO = "auto"; 17139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_50HZ = "50hz"; 17149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_60HZ = "60hz"; 17159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_OFF = "off"; 17169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 17179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for flash mode settings. 17189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 17199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will not be fired. 17209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 17219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_OFF = "off"; 172236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 17239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1724068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will be fired automatically when required. The flash may be fired 1725068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * during preview, auto-focus, or snapshot depending on the driver. 17269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 17279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_AUTO = "auto"; 172836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 17299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1730068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will always be fired during snapshot. The flash may also be 1731068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * fired during preview or auto-focus depending on the driver. 17329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 17339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_ON = "on"; 173436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 17359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 17369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will be fired in red-eye reduction mode. 17379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 17389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_RED_EYE = "red-eye"; 173936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 174036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1741068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Constant emission of light during preview, auto-focus and snapshot. 1742068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * This can also be used for video recording. 174336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 1744068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li public static final String FLASH_MODE_TORCH = "torch"; 17459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 174600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 174700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Scene mode is off. 174800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_AUTO = "auto"; 175000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 175100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 175200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 175300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_SPORTS}. 175400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_ACTION = "action"; 175600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 175700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 175800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures. 175900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PORTRAIT = "portrait"; 176100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 176200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 176300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on distant objects. 176400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_LANDSCAPE = "landscape"; 176600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 176700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 176800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos at night. 176900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT = "night"; 177100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 177200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 177300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures at night. 177400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT_PORTRAIT = "night-portrait"; 177600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 177700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 177800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos in a theater. Flash light is off. 177900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_THEATRE = "theatre"; 178100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 178200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 178300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the beach. 178400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_BEACH = "beach"; 178600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 178700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 178800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the snow. 178900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SNOW = "snow"; 179100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 179200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 179300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take sunset photos. 179400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SUNSET = "sunset"; 179600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 179700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 179800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Avoid blurry pictures (for example, due to hand shake). 179900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 18009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_STEADYPHOTO = "steadyphoto"; 180100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 180200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 180300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * For shooting firework displays. 180400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 18059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_FIREWORKS = "fireworks"; 180600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 180700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 180800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 180900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_ACTION}. 181000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 18119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SPORTS = "sports"; 181200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 181300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 181400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take indoor low-light shot. 181500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 18169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PARTY = "party"; 181700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 181800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 181900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Capture the naturally warm color of scenes lit by candles. 182000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 18219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_CANDLELIGHT = "candlelight"; 18229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1823c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1824c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Applications are looking for a barcode. Camera driver will be 1825c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * optimized for barcode reading. 1826c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1827c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String SCENE_MODE_BARCODE = "barcode"; 1828c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 182936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1830da2f0ea10822628875a956e4bf096066c0debe9fEino-Ville Talvala * Capture a scene using high dynamic range imaging techniques. The 1831da2f0ea10822628875a956e4bf096066c0debe9fEino-Ville Talvala * camera will return an image that has an extended dynamic range 1832da2f0ea10822628875a956e4bf096066c0debe9fEino-Ville Talvala * compared to a regular capture. Capturing such an image may take 1833da2f0ea10822628875a956e4bf096066c0debe9fEino-Ville Talvala * longer than a regular capture. 1834da2f0ea10822628875a956e4bf096066c0debe9fEino-Ville Talvala */ 1835da2f0ea10822628875a956e4bf096066c0debe9fEino-Ville Talvala public static final String SCENE_MODE_HDR = "hdr"; 1836da2f0ea10822628875a956e4bf096066c0debe9fEino-Ville Talvala 1837da2f0ea10822628875a956e4bf096066c0debe9fEino-Ville Talvala /** 1838f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Auto-focus mode. Applications should call {@link 1839f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus in this mode. 184036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 184136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_AUTO = "auto"; 184236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 184336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 184436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is set at infinity. Applications should not call 184536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} in this mode. 184636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 184736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_INFINITY = "infinity"; 1848f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li 1849f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li /** 1850f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Macro (close-up) focus mode. Applications should call 1851f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} to start the focus in this 1852f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * mode. 1853f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li */ 185436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_MACRO = "macro"; 185536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 185636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 185736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is fixed. The camera is always in this mode if the focus is not 185836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * adjustable. If the camera has auto-focus, this mode can fix the 185936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * focus, which is usually at hyperfocal distance. Applications should 186036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * not call {@link #autoFocus(AutoFocusCallback)} in this mode. 186136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 186236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_FIXED = "fixed"; 186336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 1864c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1865c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Extended depth of field (EDOF). Focusing is done digitally and 1866c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * continuously. Applications should not call {@link 1867c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode. 1868c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1869c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String FOCUS_MODE_EDOF = "edof"; 1870c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 1871699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li /** 1872d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Continuous auto focus mode intended for video recording. The camera 1873b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * continuously tries to focus. This is the best choice for video 1874b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * recording because the focus changes smoothly . Applications still can 1875b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * call {@link #takePicture(Camera.ShutterCallback, 1876b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)} in this mode but the 1877b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * subject may not be in focus. Auto focus starts when the parameter is 187853b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * set. 187953b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 188053b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Since API level 14, applications can call {@link 188153b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode. The focus callback will 188253b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * immediately return with a boolean that indicates whether the focus is 188353b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * sharp or not. The focus position is locked after autoFocus call. If 188453b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * applications want to resume the continuous focus, cancelAutoFocus 188553b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * must be called. Restarting the preview will not resume the continuous 188653b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * autofocus. To stop continuous focus, applications should change the 188753b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * focus mode to other modes. 188853b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 188953b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_PICTURE 1890d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li */ 1891d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li public static final String FOCUS_MODE_CONTINUOUS_VIDEO = "continuous-video"; 1892699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li 1893b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li /** 1894b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * Continuous auto focus mode intended for taking pictures. The camera 1895b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * continuously tries to focus. The speed of focus change is more 1896b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * aggressive than {@link #FOCUS_MODE_CONTINUOUS_VIDEO}. Auto focus 189753b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * starts when the parameter is set. 189853b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 18990f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * <p>Applications can call {@link #autoFocus(AutoFocusCallback)} in 19000f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * this mode. If the autofocus is in the middle of scanning, the focus 19010f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * callback will return when it completes. If the autofocus is not 19020f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * scanning, the focus callback will immediately return with a boolean 19030f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * that indicates whether the focus is sharp or not. The apps can then 19040f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * decide if they want to take a picture immediately or to change the 19050f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * focus mode to auto, and run a full autofocus cycle. The focus 19060f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * position is locked after autoFocus call. If applications want to 19070f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * resume the continuous focus, cancelAutoFocus must be called. 19080f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * Restarting the preview will not resume the continuous autofocus. To 19090f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * stop continuous focus, applications should change the focus mode to 19100f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * other modes. 1911b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * 1912b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_VIDEO 1913b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li */ 1914b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li public static final String FOCUS_MODE_CONTINUOUS_PICTURE = "continuous-picture"; 1915b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li 1916e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Indices for focus distance array. 1917e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1918e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of near focus distance for use with 1919e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1920e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1921e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_NEAR_INDEX = 0; 1922e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1923e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1924e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of optimal focus distance for use with 1925e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1926e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1927e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_OPTIMAL_INDEX = 1; 1928e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1929e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1930e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of far focus distance for use with 1931e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1932e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1933e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_FAR_INDEX = 2; 1934e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1935ca099614841bc619f217dfa088da630a7eb1ab65Wu-cheng Li /** 1936454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of minimum preview fps for use with {@link 1937454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1938454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1939454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1940454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MIN_INDEX = 0; 1941454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1942454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1943454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of maximum preview fps for use with {@link 1944454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1945454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1946454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1947454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MAX_INDEX = 1; 1948454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 19499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Formats for setPreviewFormat and setPictureFormat. 19509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV422SP = "yuv422sp"; 19519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV420SP = "yuv420sp"; 1952eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang private static final String PIXEL_FORMAT_YUV422I = "yuv422i-yuyv"; 195310a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li private static final String PIXEL_FORMAT_YUV420P = "yuv420p"; 19549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_RGB565 = "rgb565"; 19559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_JPEG = "jpeg"; 195670fb9085044c5e6f52c33c970d238b764cf2373bWu-cheng Li private static final String PIXEL_FORMAT_BAYER_RGGB = "bayer-rggb"; 19579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private HashMap<String, String> mMap; 19599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Parameters() { 19610a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen mMap = new HashMap<String, String>(64); 19629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Writes the current Parameters to the log. 19669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 19679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated 19689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dump() { 19709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: size=" + mMap.size()); 19719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 19729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: " + k + "=" + mMap.get(k)); 19739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a single string with all the parameters set in 19789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 19799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #unflatten(String)} method does the reverse.</p> 19809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a String with all values from this Parameters object, in 19829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * semi-colon delimited key-value pairs 19839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String flatten() { 19850a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen StringBuilder flattened = new StringBuilder(128); 19869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 19879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(k); 19889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append("="); 19899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(mMap.get(k)); 19909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(";"); 19919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // chop off the extra semicolon at the end 19939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.deleteCharAt(flattened.length()-1); 19949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return flattened.toString(); 19959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Takes a flattened string of parameters and adds each one to 19999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 20009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #flatten()} method does the reverse.</p> 20019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param flattened a String of parameters (key-value paired) that 20039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are semi-colon delimited 20049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void unflatten(String flattened) { 20069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.clear(); 20079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20080a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen TextUtils.StringSplitter splitter = new TextUtils.SimpleStringSplitter(';'); 20090a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen splitter.setString(flattened); 20100a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen for (String kv : splitter) { 20119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pos = kv.indexOf('='); 20129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pos == -1) { 20139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 20149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String k = kv.substring(0, pos); 20169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = kv.substring(pos + 1); 20179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(k, v); 20189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void remove(String key) { 20229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.remove(key); 20239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a String parameter. 20279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 20299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the String value of the parameter 20309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, String value) { 2032cb56923ba6350cf7441260886f6e8a1c6785886dEino-Ville Talvala if (key.indexOf('=') != -1 || key.indexOf(';') != -1 || key.indexOf(0) != -1) { 2033cb56923ba6350cf7441260886f6e8a1c6785886dEino-Ville Talvala Log.e(TAG, "Key \"" + key + "\" contains invalid character (= or ; or \\0)"); 20349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 20359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2036cb56923ba6350cf7441260886f6e8a1c6785886dEino-Ville Talvala if (value.indexOf('=') != -1 || value.indexOf(';') != -1 || value.indexOf(0) != -1) { 2037cb56923ba6350cf7441260886f6e8a1c6785886dEino-Ville Talvala Log.e(TAG, "Value \"" + value + "\" contains invalid character (= or ; or \\0)"); 20389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 20399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, value); 20429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets an integer parameter. 20469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 20489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the int value of the parameter 20499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, int value) { 20519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, Integer.toString(value)); 20529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2054e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private void set(String key, List<Area> areas) { 2055f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (areas == null) { 2056f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li set(key, "(0,0,0,0,0)"); 2057f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } else { 2058f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li StringBuilder buffer = new StringBuilder(); 2059f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li for (int i = 0; i < areas.size(); i++) { 2060f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Area area = areas.get(i); 2061f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Rect rect = area.rect; 2062f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append('('); 2063f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.left); 2064f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 2065f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.top); 2066f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 2067f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.right); 2068f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 2069f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.bottom); 2070f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 2071f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(area.weight); 2072f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(')'); 2073f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (i != areas.size() - 1) buffer.append(','); 2074f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 2075f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li set(key, buffer.toString()); 2076e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 2077e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 2078e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 20799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of a String parameter. 20819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 20839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the String value of the parameter 20849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String get(String key) { 20869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMap.get(key); 20879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of an integer parameter. 20919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 20939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the int value of the parameter 20949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getInt(String key) { 20969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Integer.parseInt(mMap.get(key)); 20979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 210026274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * Sets the dimensions for preview pictures. If the preview has already 210126274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * started, applications should stop the preview first before changing 210226274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * preview size. 21039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 2104c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * The sides of width and height are based on camera orientation. That 2105c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * is, the preview size is the size before it is rotated by display 2106c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation. So applications need to consider the display orientation 2107c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * while setting preview size. For example, suppose the camera supports 2108c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * both 480x320 and 320x480 preview sizes. The application wants a 3:2 2109c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * preview ratio. If the display orientation is set to 0 or 180, preview 2110c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * size should be set to 480x320. If the display orientation is set to 2111c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 90 or 270, preview size should be set to 320x480. The display 2112c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation should also be considered while setting picture size and 2113c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * thumbnail size. 2114c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 21159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the pictures, in pixels 21169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the pictures, in pixels 2117c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setDisplayOrientation(int) 2118c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #getCameraInfo(int, CameraInfo) 2119c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPictureSize(int, int) 2120c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setJpegThumbnailSize(int, int) 21219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewSize(int width, int height) { 21239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 21249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_SIZE, v); 21259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimensions setting for preview pictures. 21299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 2130dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a Size object with the width and height setting 21319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for the preview picture 21329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPreviewSize() { 21349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PREVIEW_SIZE); 21359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 21369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview sizes. 21409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21413f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 21429c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li * with at least one element. 21439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPreviewSizes() { 21459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_SIZE + SUPPORTED_VALUES_SUFFIX); 21469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 21479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 215032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the supported video frame sizes that can be used by 215132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * MediaRecorder.</p> 2152dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 215332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>If the returned list is not null, the returned list will contain at 2154dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * least one Size and one of the sizes in the returned list must be 2155dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * passed to MediaRecorder.setVideoSize() for camcorder application if 2156dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * camera is used as the video source. In this case, the size of the 2157dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview can be different from the resolution of the recorded video 215832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * during video recording.</p> 2159dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 2160dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a list of Size object if camera has separate preview and 2161dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video output; otherwise, null is returned. 2162dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getPreferredPreviewSizeForVideo() 2163dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 2164dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public List<Size> getSupportedVideoSizes() { 2165dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String str = get(KEY_VIDEO_SIZE + SUPPORTED_VALUES_SUFFIX); 2166dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return splitSize(str); 2167dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 2168dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 2169dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 2170dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * Returns the preferred or recommended preview size (width and height) 2171dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * in pixels for video recording. Camcorder applications should 2172dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * set the preview size to a value that is not larger than the 2173dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preferred preview size. In other words, the product of the width 2174dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * and height of the preview size should not be larger than that of 2175dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * the preferred preview size. In addition, we recommend to choose a 2176dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview size that has the same aspect ratio as the resolution of 2177dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video to be recorded. 2178dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 2179dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return the preferred preview size (width and height) in pixels for 2180dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video recording if getSupportedVideoSizes() does not return 2181dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * null; otherwise, null is returned. 2182dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getSupportedVideoSizes() 2183dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 2184dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public Size getPreferredPreviewSizeForVideo() { 2185dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String pair = get(KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO); 2186dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return strToSize(pair); 2187dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 2188dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 2189dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 219032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Sets the dimensions for EXIF thumbnail in Jpeg picture. If 21914c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * applications set both width and height to 0, EXIF will not contain 219232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * thumbnail.</p> 21939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 219432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Applications need to consider the display orientation. See {@link 219532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * #setPreviewSize(int,int)} for reference.</p> 2196c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 21979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the thumbnail, in pixels 21989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the thumbnail, in pixels 2199c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 22009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailSize(int width, int height) { 22029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_WIDTH, width); 22039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_HEIGHT, height); 22049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the dimensions for EXIF thumbnail in Jpeg picture. 22089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting for the EXIF 22109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * thumbnails 22119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public Size getJpegThumbnailSize() { 22139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(getInt(KEY_JPEG_THUMBNAIL_WIDTH), 22149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li getInt(KEY_JPEG_THUMBNAIL_HEIGHT)); 22159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22184c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Gets the supported jpeg thumbnail sizes. 22194c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 22203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 22214c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * with at least two elements. Size 0,0 (no thumbnail) is always 22224c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * supported. 22234c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 22244c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public List<Size> getSupportedJpegThumbnailSizes() { 22254c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li String str = get(KEY_JPEG_THUMBNAIL_SIZE + SUPPORTED_VALUES_SUFFIX); 22264c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return splitSize(str); 22274c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 22284c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li 22294c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 22309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the quality of the EXIF thumbnail in Jpeg picture. 22319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of the EXIF thumbnail. The range is 1 22339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 22349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailQuality(int quality) { 22369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_QUALITY, quality); 22379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the EXIF thumbnail in Jpeg picture. 22419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG quality setting of the EXIF thumbnail. 22439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegThumbnailQuality() { 22459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_THUMBNAIL_QUALITY); 22469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets Jpeg quality of captured picture. 22509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of captured picture. The range is 1 22529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 22539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegQuality(int quality) { 22559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_QUALITY, quality); 22569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the JPEG picture. 22609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG picture quality setting. 22629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegQuality() { 22649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_QUALITY); 22659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2268a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Sets the rate at which preview frames are received. This is the 2269a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * target frame rate. The actual frame rate depends on the driver. 22709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fps the frame rate (frames per second) 22725f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #setPreviewFpsRange(int,int)} 22739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22745f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 22759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFrameRate(int fps) { 22769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FRAME_RATE, fps); 22779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2280a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Returns the setting for the rate at which preview frames are 2281a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * received. This is the target frame rate. The actual frame rate 2282a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * depends on the driver. 22839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the frame rate setting (frames per second) 22855f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getPreviewFpsRange(int[])} 22869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22875f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 22889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFrameRate() { 22899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_PREVIEW_FRAME_RATE); 22909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview frame rates. 22949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22953f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview frame rates. null if preview 22963f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * frame rate setting is not supported. 22975f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getSupportedPreviewFpsRange()} 22989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22995f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 23009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFrameRates() { 23019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FRAME_RATE + SUPPORTED_VALUES_SUFFIX); 23029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitInt(str); 23039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2306454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Sets the maximum and maximum preview fps. This controls the rate of 23071620d118a49dc6df7b0e83d7343f8a8bb6e23b12Wu-cheng Li * preview frames received in {@link PreviewCallback}. The minimum and 2308454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum preview fps must be one of the elements from {@link 2309454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange}. 2310454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2311454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param min the minimum preview fps (scaled by 1000). 2312454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param max the maximum preview fps (scaled by 1000). 2313454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @throws RuntimeException if fps range is invalid. 2314454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 2315454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 2316454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2317454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void setPreviewFpsRange(int min, int max) { 2318454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li set(KEY_PREVIEW_FPS_RANGE, "" + min + "," + max); 2319454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2320454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2321454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 2322454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Returns the current minimum and maximum preview fps. The values are 2323454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * one of the elements returned by {@link #getSupportedPreviewFpsRange}. 2324454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2325454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return range the minimum and maximum preview fps (scaled by 1000). 2326454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 2327454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 2328454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 2329454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2330454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void getPreviewFpsRange(int[] range) { 2331454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (range == null || range.length != 2) { 2332454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li throw new IllegalArgumentException( 23335f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li "range must be an array with two elements."); 2334454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2335454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(get(KEY_PREVIEW_FPS_RANGE), range); 2336454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2337454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2338454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 2339454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Gets the supported preview fps (frame-per-second) ranges. Each range 2340454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * contains a minimum fps and maximum fps. If minimum fps equals to 2341454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum fps, the camera outputs frames in fixed frame rate. If not, 2342454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * the camera outputs frames in auto frame rate. The actual frame rate 2343454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * fluctuates between the minimum and the maximum. The values are 2344454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * multiplied by 1000 and represented in integers. For example, if frame 2345454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * rate is 26.623 frames per second, the value is 26623. 2346454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2347454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return a list of supported preview fps ranges. This method returns a 2348454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * list with at least one element. Every element is an int array 2349454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * of two values - minimum fps and maximum fps. The list is 2350454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * sorted from small to large (first by maximum fps and then 2351454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * minimum fps). 2352454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 2353454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 2354454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2355454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public List<int[]> getSupportedPreviewFpsRange() { 2356454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String str = get(KEY_PREVIEW_FPS_RANGE + SUPPORTED_VALUES_SUFFIX); 2357454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return splitRange(str); 2358454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2359454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2360454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 23617478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * Sets the image format for preview pictures. 2362da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If this is never called, the default format will be 2363a696f5d667227365da732481770767dcb330dd23Mathias Agopian * {@link android.graphics.ImageFormat#NV21}, which 2364df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * uses the NV21 encoding format.</p> 23657478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 2366951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * <p>Use {@link Parameters#getSupportedPreviewFormats} to get a list of 2367951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * the available preview formats. 2368951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * 2369951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * <p>It is strongly recommended that either 2370951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * {@link android.graphics.ImageFormat#NV21} or 2371951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * {@link android.graphics.ImageFormat#YV12} is used, since 2372951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * they are supported by all camera devices.</p> 2373951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * 2374951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * <p>For YV12, the image buffer that is received is not necessarily 2375951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * tightly packed, as there may be padding at the end of each row of 2376951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * pixel data, as described in 2377951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * {@link android.graphics.ImageFormat#YV12}. For camera callback data, 2378951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * it can be assumed that the stride of the Y and UV data is the 2379951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * smallest possible that meets the alignment requirements. That is, if 2380951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * the preview size is <var>width x height</var>, then the following 2381951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * equations describe the buffer index for the beginning of row 2382951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * <var>y</var> for the Y plane and row <var>c</var> for the U and V 2383951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * planes: 2384951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * 2385951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * {@code 2386951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * <pre> 2387951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * yStride = (int) ceil(width / 16.0) * 16; 2388951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * uvStride = (int) ceil( (yStride / 2) / 16.0) * 16; 2389951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * ySize = yStride * height; 2390951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * uvSize = uvStride * height / 2; 2391951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * yRowIndex = yStride * y; 2392951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * uRowIndex = ySize + uvSize + uvStride * c; 2393951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * vRowIndex = ySize + uvStride * c; 2394951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * size = ySize + uvSize * 2;</pre> 2395951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * } 2396951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * 2397951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * @param pixel_format the desired preview picture format, defined by 2398951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * one of the {@link android.graphics.ImageFormat} constants. (E.g., 2399951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * <var>ImageFormat.NV21</var> (default), or 2400951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * <var>ImageFormat.YV12</var>) 2401951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * 2402a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 2403951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * @see android.hardware.Camera.Parameters#getSupportedPreviewFormats 24049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFormat(int pixel_format) { 24069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 24079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 24089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 24099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 24109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FORMAT, s); 24139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24163f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Returns the image format for preview frames got from 24179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * {@link PreviewCallback}. 24187478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 24193f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the preview format. 24203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 2421951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * @see #setPreviewFormat 24229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFormat() { 24249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PREVIEW_FORMAT)); 24259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2428f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * Gets the supported preview formats. {@link android.graphics.ImageFormat#NV21} 2429f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported. {@link android.graphics.ImageFormat#YV12} 2430f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported since API level 12. 24319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24323f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview formats. This method will always 24333f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 24343f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 2435951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * @see #setPreviewFormat 24369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFormats() { 24389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FORMAT + SUPPORTED_VALUES_SUFFIX); 2439eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang ArrayList<Integer> formats = new ArrayList<Integer>(); 2440eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang for (String s : split(str)) { 2441eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang int f = pixelFormatForCameraFormat(s); 2442a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 2443eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang formats.add(f); 2444eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang } 2445eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang return formats; 24469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 244932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Sets the dimensions for pictures.</p> 24509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 245132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Applications need to consider the display orientation. See {@link 245232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * #setPreviewSize(int,int)} for reference.</p> 2453c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 24549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width for pictures, in pixels 24559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height for pictures, in pixels 2456c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 2457c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 24589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureSize(int width, int height) { 24609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 24619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_SIZE, v); 24629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimension setting for pictures. 24669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting 24689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for pictures 24699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPictureSize() { 24719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PICTURE_SIZE); 24729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 24739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture sizes. 24779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24783f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported picture sizes. This method will always 24793f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 24809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPictureSizes() { 24829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PICTURE_SIZE + SUPPORTED_VALUES_SUFFIX); 24839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 24849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the image format for pictures. 24889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param pixel_format the desired picture format 2490a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (<var>ImageFormat.NV21</var>, 2491a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 2492a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 2493a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 24949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureFormat(int pixel_format) { 24969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 24979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 24989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 24999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 25009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_FORMAT, s); 25039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 25069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the image format for pictures. 25079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25083f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the picture format 25093f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 25109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 25119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPictureFormat() { 25129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PICTURE_FORMAT)); 25139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture formats. 25179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25183f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return supported picture formats. This method will always return a 25193f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * list with at least one element. 25203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 25219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPictureFormats() { 25239c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li String str = get(KEY_PICTURE_FORMAT + SUPPORTED_VALUES_SUFFIX); 25249c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li ArrayList<Integer> formats = new ArrayList<Integer>(); 25259c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li for (String s : split(str)) { 25269c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li int f = pixelFormatForCameraFormat(s); 2527a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 25289c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li formats.add(f); 25299c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li } 25309c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li return formats; 25319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String cameraFormatForPixelFormat(int pixel_format) { 25349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(pixel_format) { 2535a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV16: return PIXEL_FORMAT_YUV422SP; 2536a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV21: return PIXEL_FORMAT_YUV420SP; 2537a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.YUY2: return PIXEL_FORMAT_YUV422I; 253810a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li case ImageFormat.YV12: return PIXEL_FORMAT_YUV420P; 2539a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.RGB_565: return PIXEL_FORMAT_RGB565; 2540a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.JPEG: return PIXEL_FORMAT_JPEG; 254170fb9085044c5e6f52c33c970d238b764cf2373bWu-cheng Li case ImageFormat.BAYER_RGGB: return PIXEL_FORMAT_BAYER_RGGB; 2542a696f5d667227365da732481770767dcb330dd23Mathias Agopian default: return null; 25439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int pixelFormatForCameraFormat(String format) { 25479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (format == null) 2548a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 25499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV422SP)) 2551a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV16; 25529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420SP)) 2554a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV21; 25559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2556eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang if (format.equals(PIXEL_FORMAT_YUV422I)) 2557a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.YUY2; 2558eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang 255910a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420P)) 256010a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li return ImageFormat.YV12; 256110a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li 25629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_RGB565)) 2563a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.RGB_565; 25649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_JPEG)) 2566a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.JPEG; 25679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2568a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 25699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25728969ea12ca55eef75783796ba52a0120f7188095Wu-cheng Li * Sets the clockwise rotation angle in degrees relative to the 25738969ea12ca55eef75783796ba52a0120f7188095Wu-cheng Li * orientation of the camera. This affects the pictures returned from 25748969ea12ca55eef75783796ba52a0120f7188095Wu-cheng Li * JPEG {@link PictureCallback}. The camera driver may set orientation 25758969ea12ca55eef75783796ba52a0120f7188095Wu-cheng Li * in the EXIF header without rotating the picture. Or the driver may 25768969ea12ca55eef75783796ba52a0120f7188095Wu-cheng Li * rotate the picture and the EXIF thumbnail. If the Jpeg picture is 25778969ea12ca55eef75783796ba52a0120f7188095Wu-cheng Li * rotated, the orientation in the EXIF header will be missing or 1 25788969ea12ca55eef75783796ba52a0120f7188095Wu-cheng Li * (row #0 is top and column #0 is left side). 25799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 258069ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If applications want to rotate the picture to match the orientation 25812fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of what users see, apps should use {@link 25822fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.view.OrientationEventListener} and {@link CameraInfo}. 25832fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * The value from OrientationEventListener is relative to the natural 25842fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation of the device. CameraInfo.orientation is the angle 258569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * between camera orientation and natural device orientation. The sum 25862fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of the two is the rotation angle for back-facing camera. The 25872fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * difference of the two is the rotation angle for front-facing camera. 25882fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Note that the JPEG pictures of front-facing cameras are not mirrored 25892fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * as in preview display. 25909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 259169ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>For example, suppose the natural orientation of the device is 25922fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * portrait. The device is rotated 270 degrees clockwise, so the device 25932fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 270. Suppose a back-facing camera sensor is mounted in 25942fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * landscape and the top side of the camera sensor is aligned with the 25952fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the display in natural orientation. So the camera 25962fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 90. The rotation should be set to 0 (270 + 90). 25972fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 259869ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>The reference code is as follows. 25992fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 2600e0cc55ac725feec88c77b482d1990221c9a80f74Eino-Ville Talvala * <pre> 26019a10bf0386ac9822e33a15820d8cd1fd8bdb5572Scott Main * public void onOrientationChanged(int orientation) { 26022fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * if (orientation == ORIENTATION_UNKNOWN) return; 26032fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.CameraInfo info = 26042fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * new android.hardware.Camera.CameraInfo(); 26052fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.getCameraInfo(cameraId, info); 26062fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation = (orientation + 45) / 90 * 90; 26072fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int rotation = 0; 26082fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == CameraInfo.CAMERA_FACING_FRONT) { 26092fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation - orientation + 360) % 360; 26102fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing camera 26112fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation + orientation) % 360; 26122fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 26132fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * mParameters.setRotation(rotation); 26142fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * } 2615e0cc55ac725feec88c77b482d1990221c9a80f74Eino-Ville Talvala * </pre> 26162fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 26172fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @param rotation The rotation angle in degrees relative to the 26182fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation of the camera. Rotation can only be 0, 26192fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 90, 180 or 270. 26209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @throws IllegalArgumentException if rotation value is invalid. 26219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @see android.view.OrientationEventListener 26222fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @see #getCameraInfo(int, CameraInfo) 26239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setRotation(int rotation) { 26259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (rotation == 0 || rotation == 90 || rotation == 180 26269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li || rotation == 270) { 26279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ROTATION, Integer.toString(rotation)); 26289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } else { 26299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 26309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid rotation=" + rotation); 26319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS latitude coordinate. This will be stored in JPEG EXIF 26369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 26379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param latitude GPS latitude coordinate. 26399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLatitude(double latitude) { 26419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LATITUDE, Double.toString(latitude)); 26429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS longitude coordinate. This will be stored in JPEG EXIF 26469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 26479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param longitude GPS longitude coordinate. 26499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLongitude(double longitude) { 26519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LONGITUDE, Double.toString(longitude)); 26529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS altitude. This will be stored in JPEG EXIF header. 26569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param altitude GPS altitude in meters. 26589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsAltitude(double altitude) { 26609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_ALTITUDE, Double.toString(altitude)); 26619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS timestamp. This will be stored in JPEG EXIF header. 26659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param timestamp GPS timestamp (UTC in seconds since January 1, 26679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1970). 26689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsTimestamp(long timestamp) { 26709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_TIMESTAMP, Long.toString(timestamp)); 26719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2674e208377fbab6b90f41e68699700942a81f4caaebRay Chen * Sets GPS processing method. It will store up to 32 characters 2675055c986ab841f8f758398841730f1e90313b132aRay Chen * in JPEG EXIF header. 2676055c986ab841f8f758398841730f1e90313b132aRay Chen * 2677055c986ab841f8f758398841730f1e90313b132aRay Chen * @param processing_method The processing method to get this location. 2678055c986ab841f8f758398841730f1e90313b132aRay Chen */ 2679055c986ab841f8f758398841730f1e90313b132aRay Chen public void setGpsProcessingMethod(String processing_method) { 2680055c986ab841f8f758398841730f1e90313b132aRay Chen set(KEY_GPS_PROCESSING_METHOD, processing_method); 2681055c986ab841f8f758398841730f1e90313b132aRay Chen } 2682055c986ab841f8f758398841730f1e90313b132aRay Chen 2683055c986ab841f8f758398841730f1e90313b132aRay Chen /** 26849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Removes GPS latitude, longitude, altitude, and timestamp from the 26859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * parameters. 26869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void removeGpsData() { 26889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LATITUDE); 26899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LONGITUDE); 26909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_ALTITUDE); 26919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_TIMESTAMP); 2692055c986ab841f8f758398841730f1e90313b132aRay Chen remove(KEY_GPS_PROCESSING_METHOD); 26939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current white balance setting. 26979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26983f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current white balance. null if white balance setting is not 26993f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 27003f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_AUTO 27013f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_INCANDESCENT 27023f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_FLUORESCENT 27033f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_WARM_FLUORESCENT 27043f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_DAYLIGHT 27053f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_CLOUDY_DAYLIGHT 27063f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_TWILIGHT 27073f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_SHADE 27083f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * 27099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getWhiteBalance() { 27119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_WHITE_BALANCE); 27129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 271516b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * Sets the white balance. Changing the setting will release the 2716b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li * auto-white balance lock. It is recommended not to change white 2717b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li * balance and AWB lock at the same time. 27189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27193f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new white balance. 27203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 2721037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 27229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setWhiteBalance(String value) { 2724b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li String oldValue = get(KEY_WHITE_BALANCE); 2725b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li if (same(value, oldValue)) return; 27269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_WHITE_BALANCE, value); 272716b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala set(KEY_AUTO_WHITEBALANCE_LOCK, FALSE); 27289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported white balance. 27329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27333f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported white balance. null if white balance 27343f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 27353f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 27369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedWhiteBalance() { 27389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_WHITE_BALANCE + SUPPORTED_VALUES_SUFFIX); 27399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 27409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current color effect setting. 27449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27453f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current color effect. null if color effect 27469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 27473f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NONE 27483f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_MONO 27493f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NEGATIVE 27503f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SOLARIZE 27513f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SEPIA 27523f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_POSTERIZE 27533f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_WHITEBOARD 27543f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_BLACKBOARD 27553f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_AQUA 27569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getColorEffect() { 27589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_EFFECT); 27599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the current color effect setting. 27639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27643f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new color effect. 27653f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 27669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setColorEffect(String value) { 27689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_EFFECT, value); 27699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported color effects. 27739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27743f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported color effects. null if color effect 27759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 27763f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 27779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedColorEffects() { 27799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_EFFECT + SUPPORTED_VALUES_SUFFIX); 27809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 27819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current antibanding setting. 27869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27873f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current antibanding. null if antibanding setting is not 27883f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 27893f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_AUTO 27903f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_50HZ 27913f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_60HZ 27923f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_OFF 27939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getAntibanding() { 27959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_ANTIBANDING); 27969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the antibanding. 28009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 28013f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param antibanding new antibanding value. 28023f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 28039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 28049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setAntibanding(String antibanding) { 28059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ANTIBANDING, antibanding); 28069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 28079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 28089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 28099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported antibanding values. 28109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 28113f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported antibanding values. null if antibanding 28123f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 28133f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 28149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 28159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedAntibanding() { 28169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_ANTIBANDING + SUPPORTED_VALUES_SUFFIX); 28179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 28189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 28199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 28209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 28219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current scene mode setting. 28229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 28239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return one of SCENE_MODE_XXX string constant. null if scene mode 28249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 28253f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_AUTO 28263f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_ACTION 28273f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PORTRAIT 28283f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_LANDSCAPE 28293f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT 28303f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT_PORTRAIT 28313f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_THEATRE 28323f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_BEACH 28333f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SNOW 28343f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SUNSET 28353f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_STEADYPHOTO 28363f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_FIREWORKS 28373f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SPORTS 28383f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PARTY 28393f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_CANDLELIGHT 2840da2f0ea10822628875a956e4bf096066c0debe9fEino-Ville Talvala * @see #SCENE_MODE_BARCODE 28419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 28429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getSceneMode() { 28439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_SCENE_MODE); 28449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 28459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 28469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2847c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Sets the scene mode. Changing scene mode may override other 2848c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * parameters (such as flash mode, focus mode, white balance). For 2849c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * example, suppose originally flash mode is on and supported flash 2850c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * modes are on/off. In night scene mode, both flash mode and supported 2851c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * flash mode may be changed to off. After setting scene mode, 28522988ab7c322aad7508df930204886f334216b65cWu-cheng Li * applications should call getParameters to know if some parameters are 28532988ab7c322aad7508df930204886f334216b65cWu-cheng Li * changed. 28549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 28553f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value scene mode. 28563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 28579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 28589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setSceneMode(String value) { 28599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_SCENE_MODE, value); 28609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 28619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 28629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 28639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported scene modes. 28649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 28653f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported scene modes. null if scene mode setting 28663f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 28673f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 28689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 28699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedSceneModes() { 28709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_SCENE_MODE + SUPPORTED_VALUES_SUFFIX); 28719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 28729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 28739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 28749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 28759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current flash mode setting. 28769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 28773f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current flash mode. null if flash mode setting is not 28783f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 28793f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_OFF 28803f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_AUTO 28813f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_ON 28823f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_RED_EYE 28833f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_TORCH 28849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 28859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getFlashMode() { 28869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_FLASH_MODE); 28879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 28889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 28899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 28909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the flash mode. 28919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 28923f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value flash mode. 28933f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 28949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 28959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setFlashMode(String value) { 28969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_FLASH_MODE, value); 28979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 28989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 28999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 29009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported flash modes. 29019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 29023f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported flash modes. null if flash mode setting 29033f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 29043f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 29059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 29069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedFlashModes() { 29079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_FLASH_MODE + SUPPORTED_VALUES_SUFFIX); 29089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 29099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 29109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 291136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 291236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the current focus mode setting. 291336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 2914699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * @return current focus mode. This method will always return a non-null 2915699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * value. Applications should call {@link 2916699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus if focus 2917699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * mode is FOCUS_MODE_AUTO or FOCUS_MODE_MACRO. 29183f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_AUTO 29193f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_INFINITY 29203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_MACRO 29213f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_FIXED 2922f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * @see #FOCUS_MODE_EDOF 2923d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_VIDEO 292436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 292536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public String getFocusMode() { 292636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return get(KEY_FOCUS_MODE); 292736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 292836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 292936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 293036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Sets the focus mode. 293136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 29323f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value focus mode. 29333f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 293436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 293536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public void setFocusMode(String value) { 293636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li set(KEY_FOCUS_MODE, value); 293736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 293836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 293936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 294036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the supported focus modes. 294136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 29423f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported focus modes. This method will always 29433f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 29443f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 294536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 294636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public List<String> getSupportedFocusModes() { 294736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li String str = get(KEY_FOCUS_MODE + SUPPORTED_VALUES_SUFFIX); 294836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return split(str); 294936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 295036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 295136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 29526c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the focal length (in millimeter) of the camera. 29536c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 29546c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return the focal length. This method will always return a valid 29556c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * value. 29566c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 29576c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getFocalLength() { 29586c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_FOCAL_LENGTH)); 29596c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 29606c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 29616c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 29626c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the horizontal angle of view in degrees. 29636c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 29646c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return horizontal angle of view. This method will always return a 29656c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 29666c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 29676c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getHorizontalViewAngle() { 29686c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_HORIZONTAL_VIEW_ANGLE)); 29696c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 29706c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 29716c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 29726c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the vertical angle of view in degrees. 29736c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 29746c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return vertical angle of view. This method will always return a 29756c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 29766c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 29776c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getVerticalViewAngle() { 29786c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_VERTICAL_VIEW_ANGLE)); 29796c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 29806c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 29816c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 298224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the current exposure compensation index. 2983ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 298424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return current exposure compensation index. The range is {@link 298524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMinExposureCompensation} to {@link 298624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation}. 0 means exposure is not 298724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * adjusted. 2988ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2989ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public int getExposureCompensation() { 299024b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_EXPOSURE_COMPENSATION, 0); 2991ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2992ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2993ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 299424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Sets the exposure compensation index. 2995ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 29960402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * @param value exposure compensation index. The valid value range is 29970402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * from {@link #getMinExposureCompensation} (inclusive) to {@link 299824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation} (inclusive). 0 means exposure is 299924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * not adjusted. Application should call 300024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * getMinExposureCompensation and getMaxExposureCompensation to 300124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * know if exposure compensation is supported. 3002ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 3003ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public void setExposureCompensation(int value) { 3004ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li set(KEY_EXPOSURE_COMPENSATION, value); 3005ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 3006ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 3007ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 300824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the maximum exposure compensation index. 3009ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 301024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return maximum exposure compensation index (>=0). If both this 301124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMinExposureCompensation} return 0, 301224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 301324b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 301424b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMaxExposureCompensation() { 301524b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MAX_EXPOSURE_COMPENSATION, 0); 301624b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 301724b326a8978bf78e3e560723dde221792784325bWu-cheng Li 301824b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 301924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the minimum exposure compensation index. 302024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 302124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return minimum exposure compensation index (<=0). If both this 302224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMaxExposureCompensation} return 0, 302324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 3024ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 302524b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMinExposureCompensation() { 302624b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MIN_EXPOSURE_COMPENSATION, 0); 302724b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 302824b326a8978bf78e3e560723dde221792784325bWu-cheng Li 302924b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 303024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the exposure compensation step. 303124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 303224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return exposure compensation step. Applications can get EV by 303324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * multiplying the exposure compensation index and step. Ex: if 303424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation index is -6 and step is 0.333333333, EV 303524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * is -2. 303624b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 303724b326a8978bf78e3e560723dde221792784325bWu-cheng Li public float getExposureCompensationStep() { 303824b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getFloat(KEY_EXPOSURE_COMPENSATION_STEP, 0); 3039ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 3040ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 3041ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 3042d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Sets the auto-exposure lock state. Applications should check 3043d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #isAutoExposureLockSupported} before using this method.</p> 30443773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 3045d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If set to true, the camera auto-exposure routine will immediately 3046d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * pause until the lock is set to false. Exposure compensation settings 3047d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * changes will still take effect while auto-exposure is locked.</p> 3048d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3049d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If auto-exposure is already locked, setting this to true again has 3050d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * no effect (the driver will not recalculate exposure values).</p> 3051d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3052d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Stopping preview with {@link #stopPreview()}, or triggering still 3053d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * image capture with {@link #takePicture(Camera.ShutterCallback, 3054b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}, will not change the 3055b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * lock.</p> 3056d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3057b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * <p>Exposure compensation, auto-exposure lock, and auto-white balance 3058b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * lock can be used to capture an exposure-bracketed burst of images, 3059b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * for example.</p> 3060d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3061d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Auto-exposure state, including the lock state, will not be 30623773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * maintained after camera {@link #release()} is called. Locking 30633773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure after {@link #open()} but before the first call to 30643773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #startPreview()} will not allow the auto-exposure routine to 3065d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * run at all, and may result in severely over- or under-exposed 3066d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * images.</p> 30673773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 30683773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @param toggle new state of the auto-exposure lock. True means that 30693773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure is locked, false means that the auto-exposure 30703773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * routine is free to run normally. 30713773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 3072d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #getAutoExposureLock() 30733773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 30743773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public void setAutoExposureLock(boolean toggle) { 30753773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala set(KEY_AUTO_EXPOSURE_LOCK, toggle ? TRUE : FALSE); 30763773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 30773773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 30783773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 30793773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Gets the state of the auto-exposure lock. Applications should check 30803773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #isAutoExposureLockSupported} before using this method. See 30813773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #setAutoExposureLock} for details about the lock. 30823773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 30833773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @return State of the auto-exposure lock. Returns true if 3084b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * auto-exposure is currently locked, and false otherwise. 30853773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 30863773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @see #setAutoExposureLock(boolean) 30873773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 30883773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 30893773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public boolean getAutoExposureLock() { 30903773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala String str = get(KEY_AUTO_EXPOSURE_LOCK); 30913773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala return TRUE.equals(str); 30923773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 30933773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 30943773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 30953773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Returns true if auto-exposure locking is supported. Applications 30963773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * should call this before trying to lock auto-exposure. See 30973773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #setAutoExposureLock} for details about the lock. 30983773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 30993773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @return true if auto-exposure lock is supported. 31003773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @see #setAutoExposureLock(boolean) 31013773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 31023773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 31033773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public boolean isAutoExposureLockSupported() { 31043773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala String str = get(KEY_AUTO_EXPOSURE_LOCK_SUPPORTED); 31053773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala return TRUE.equals(str); 31063773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 31073773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 31083773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 3109d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Sets the auto-white balance lock state. Applications should check 3110d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #isAutoWhiteBalanceLockSupported} before using this 3111d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * method.</p> 3112d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3113d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If set to true, the camera auto-white balance routine will 3114d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * immediately pause until the lock is set to false.</p> 3115d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3116d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If auto-white balance is already locked, setting this to true 3117d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * again has no effect (the driver will not recalculate white balance 3118d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * values).</p> 3119d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3120d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Stopping preview with {@link #stopPreview()}, or triggering still 3121d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * image capture with {@link #takePicture(Camera.ShutterCallback, 3122b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}, will not change the 3123b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * the lock.</p> 3124d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 312516b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * <p> Changing the white balance mode with {@link #setWhiteBalance} 312616b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * will release the auto-white balance lock if it is set.</p> 312716b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * 3128b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * <p>Exposure compensation, AE lock, and AWB lock can be used to 3129b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * capture an exposure-bracketed burst of images, for example. 3130b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * Auto-white balance state, including the lock state, will not be 3131b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * maintained after camera {@link #release()} is called. Locking 3132b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * auto-white balance after {@link #open()} but before the first call to 3133b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * {@link #startPreview()} will not allow the auto-white balance routine 3134b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * to run at all, and may result in severely incorrect color in captured 3135b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * images.</p> 3136d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3137d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @param toggle new state of the auto-white balance lock. True means 3138d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * that auto-white balance is locked, false means that the 3139d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-white balance routine is free to run normally. 3140d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3141d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #getAutoWhiteBalanceLock() 314216b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * @see #setWhiteBalance(String) 3143d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 3144d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public void setAutoWhiteBalanceLock(boolean toggle) { 3145d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala set(KEY_AUTO_WHITEBALANCE_LOCK, toggle ? TRUE : FALSE); 3146d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 3147d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 3148d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 3149d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Gets the state of the auto-white balance lock. Applications should 3150d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * check {@link #isAutoWhiteBalanceLockSupported} before using this 3151d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * method. See {@link #setAutoWhiteBalanceLock} for details about the 3152d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * lock. 3153d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3154d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @return State of the auto-white balance lock. Returns true if 3155d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-white balance is currently locked, and false 3156b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * otherwise. 3157d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3158d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 3159d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3160d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 3161d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public boolean getAutoWhiteBalanceLock() { 3162d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala String str = get(KEY_AUTO_WHITEBALANCE_LOCK); 3163d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala return TRUE.equals(str); 3164d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 3165d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 3166d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 3167d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Returns true if auto-white balance locking is supported. Applications 3168d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * should call this before trying to lock auto-white balance. See 3169d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #setAutoWhiteBalanceLock} for details about the lock. 3170d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3171d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @return true if auto-white balance lock is supported. 3172d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 3173d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3174d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 3175d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public boolean isAutoWhiteBalanceLockSupported() { 3176d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala String str = get(KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED); 3177d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala return TRUE.equals(str); 3178d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 3179d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 3180d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 318136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets current zoom value. This also works when smooth zoom is in 31828cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * progress. Applications should check {@link #isZoomSupported} before 31838cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * using this method. 318436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 318536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the current zoom value. The range is 0 to {@link 31868cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom}. 0 means the camera is not zoomed. 318736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 318836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getZoom() { 31898cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_ZOOM, 0); 319036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 319136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 319236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 31938cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Sets current zoom value. If the camera is zoomed (value > 0), the 31948cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * actual picture size may be smaller than picture size setting. 31958cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications can check the actual picture size after picture is 31968cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned from {@link PictureCallback}. The preview size remains the 31978cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * same in zoom. Applications should check {@link #isZoomSupported} 31988cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * before using this method. 319936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 320036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link #getMaxZoom}. 320136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 320236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public void setZoom(int value) { 32038cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li set(KEY_ZOOM, value); 320436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 320536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 320636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 320736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if zoom is supported. Applications should call this 320836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * before using other zoom methods. 320936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 321036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if zoom is supported. 321136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 321236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isZoomSupported() { 32138cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_ZOOM_SUPPORTED); 32148cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 321536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 321636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 321736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 321836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets the maximum zoom value allowed for snapshot. This is the maximum 321936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * value that applications can set to {@link #setZoom(int)}. 32208cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications should call {@link #isZoomSupported} before using this 32218cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * method. This value may change in different preview size. Applications 32228cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * should call this again after setting preview size. 322336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 322436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the maximum zoom value supported by the camera. 322536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 322636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getMaxZoom() { 32278cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_MAX_ZOOM, 0); 322836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 322936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 323036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 32318cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Gets the zoom ratios of all zoom values. Applications should check 32328cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * {@link #isZoomSupported} before using this method. 323336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 32348cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @return the zoom ratios in 1/100 increments. Ex: a zoom of 3.2x is 32358cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned as 320. The number of elements is {@link 32368cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom} + 1. The list is sorted from small to large. The 32378cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * first element is always 100. The last element is the zoom 32388cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * ratio of the maximum zoom value. 323936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 32408cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li public List<Integer> getZoomRatios() { 32418cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return splitInt(get(KEY_ZOOM_RATIOS)); 324236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 324336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 324436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 324536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if smooth zoom is supported. Applications should call 324636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this before using other smooth zoom methods. 324736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 324836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if smooth zoom is supported. 324936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 325036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isSmoothZoomSupported() { 32518cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_SMOOTH_ZOOM_SUPPORTED); 32528cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 325336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 325436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 3255e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 325632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the distances from the camera to where an object appears to be 3257e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * in focus. The object is sharpest at the optimal focus distance. The 325832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * depth of field is the far focus distance minus near focus distance.</p> 3259e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 326032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus distances may change after calling {@link 3261e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #autoFocus(AutoFocusCallback)}, {@link #cancelAutoFocus}, or {@link 3262e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #startPreview()}. Applications can call {@link #getParameters()} 3263e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * and this method anytime to get the latest focus distances. If the 3264d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * focus mode is FOCUS_MODE_CONTINUOUS_VIDEO, focus distances may change 326532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * from time to time.</p> 3266699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * 326732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>This method is intended to estimate the distance between the camera 3268699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * and the subject. After autofocus, the subject distance may be within 3269699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * near and far focus distance. However, the precision depends on the 3270699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * camera hardware, autofocus algorithm, the focus area, and the scene. 327132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * The error can be large and it should be only used as a reference.</p> 3272e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 327332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Far focus distance >= optimal focus distance >= near focus distance. 3274185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * If the focus distance is infinity, the value will be 327532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@code Float.POSITIVE_INFINITY}.</p> 3276e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 3277e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * @param output focus distances in meters. output must be a float 3278e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * array with three elements. Near focus distance, optimal focus 3279e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * distance, and far focus distance will be filled in the array. 3280185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_NEAR_INDEX 3281185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_OPTIMAL_INDEX 3282185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_FAR_INDEX 3283e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 3284e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public void getFocusDistances(float[] output) { 3285e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li if (output == null || output.length != 3) { 3286e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li throw new IllegalArgumentException( 3287f76a50ce8fdc6aea22cabc77b2977a1a15a79630Ken Wakasa "output must be a float array with three elements."); 3288e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3289454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitFloat(get(KEY_FOCUS_DISTANCES), output); 3290e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3291e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 329230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 329330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Gets the maximum number of focus areas supported. This is the maximum 32947b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * length of the list in {@link #setFocusAreas(List)} and 32957b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * {@link #getFocusAreas()}. 329630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 329730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return the maximum number of focus areas supported by the camera. 329830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @see #getFocusAreas() 329930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 330030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public int getMaxNumFocusAreas() { 330130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return getInt(KEY_MAX_NUM_FOCUS_AREAS, 0); 330230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 330330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 330430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 330532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the current focus areas. Camera driver uses the areas to decide 330632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * focus.</p> 330730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 330832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Before using this API or {@link #setFocusAreas(List)}, apps should 33097b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * call {@link #getMaxNumFocusAreas()} to know the maximum number of 331032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * focus areas first. If the value is 0, focus area is not supported.</p> 331130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 331232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each focus area is a rectangle with specified weight. The direction 331330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * is relative to the sensor orientation, that is, what the sensor sees. 331430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * The direction is not affected by the rotation or mirroring of 331530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * {@link #setDisplayOrientation(int)}. Coordinates of the rectangle 331630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * range from -1000 to 1000. (-1000, -1000) is the upper left point. 3317bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * (1000, 1000) is the lower right point. The width and height of focus 331832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * areas cannot be 0 or negative.</p> 331930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 332032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000. The weight should be 33214e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * interpreted as a per-pixel weight - all pixels in the area have the 33224e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * specified weight. This means a small area with the same weight as a 33234e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * larger area will have less influence on the focusing than the larger 33244e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * area. Focus areas can partially overlap and the driver will add the 332532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * weights in the overlap region.</p> 332630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 332732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>A special case of a {@code null} focus area list means the driver is 332832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * free to select focus targets as it wants. For example, the driver may 332932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * use more signals to select focus areas and change them 333032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * dynamically. Apps can set the focus area list to {@code null} if they 333132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * want the driver to completely control focusing.</p> 333230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 333332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus areas are relative to the current field of view 333430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * ({@link #getZoom()}). No matter what the zoom level is, (-1000,-1000) 333530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * represents the top of the currently visible camera frame. The focus 333630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * area cannot be set to be outside the current field of view, even 333732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * when using zoom.</p> 333830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 333932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus area only has effect if the current focus mode is 334053b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * {@link #FOCUS_MODE_AUTO}, {@link #FOCUS_MODE_MACRO}, 334153b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * {@link #FOCUS_MODE_CONTINUOUS_VIDEO}, or 334253b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * {@link #FOCUS_MODE_CONTINUOUS_PICTURE}.</p> 334330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 334430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return a list of current focus areas 334530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 334630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public List<Area> getFocusAreas() { 3347f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li return splitArea(get(KEY_FOCUS_AREAS)); 334830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 334930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 335030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 335130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Sets focus areas. See {@link #getFocusAreas()} for documentation. 335230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 33537b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * @param focusAreas the focus areas 335430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @see #getFocusAreas() 335530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 3356e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public void setFocusAreas(List<Area> focusAreas) { 3357e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li set(KEY_FOCUS_AREAS, focusAreas); 3358e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3359e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3360e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 3361e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * Gets the maximum number of metering areas supported. This is the 33627b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * maximum length of the list in {@link #setMeteringAreas(List)} and 33637b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * {@link #getMeteringAreas()}. 3364e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 3365e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @return the maximum number of metering areas supported by the camera. 3366e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @see #getMeteringAreas() 3367e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3368e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public int getMaxNumMeteringAreas() { 3369e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li return getInt(KEY_MAX_NUM_METERING_AREAS, 0); 3370e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3371e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3372e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 337332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the current metering areas. Camera driver uses these areas to 337432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * decide exposure.</p> 3375e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 337632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Before using this API or {@link #setMeteringAreas(List)}, apps should 33777b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * call {@link #getMaxNumMeteringAreas()} to know the maximum number of 33787b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * metering areas first. If the value is 0, metering area is not 337932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * supported.</p> 3380e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 338132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each metering area is a rectangle with specified weight. The 3382e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * direction is relative to the sensor orientation, that is, what the 3383e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * sensor sees. The direction is not affected by the rotation or 3384e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * mirroring of {@link #setDisplayOrientation(int)}. Coordinates of the 3385e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * rectangle range from -1000 to 1000. (-1000, -1000) is the upper left 3386bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * point. (1000, 1000) is the lower right point. The width and height of 338732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * metering areas cannot be 0 or negative.</p> 3388e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 338932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000, and represents a weight for 33904e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * every pixel in the area. This means that a large metering area with 33914e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * the same weight as a smaller area will have more effect in the 33924e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * metering result. Metering areas can partially overlap and the driver 339332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * will add the weights in the overlap region.</p> 3394e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 339532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>A special case of a {@code null} metering area list means the driver 339632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * is free to meter as it chooses. For example, the driver may use more 339732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * signals to select metering areas and change them dynamically. Apps 339832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * can set the metering area list to {@code null} if they want the 339932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * driver to completely control metering.</p> 3400e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 340132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Metering areas are relative to the current field of view 3402e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * ({@link #getZoom()}). No matter what the zoom level is, (-1000,-1000) 3403e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * represents the top of the currently visible camera frame. The 3404e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * metering area cannot be set to be outside the current field of view, 340532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * even when using zoom.</p> 3406e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 340732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>No matter what metering areas are, the final exposure are compensated 340832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * by {@link #setExposureCompensation(int)}.</p> 3409e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 3410e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @return a list of current metering areas 3411e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3412e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public List<Area> getMeteringAreas() { 3413d8aab93f96a6357dedc791ccdea92412fb423d15Wu-cheng Li return splitArea(get(KEY_METERING_AREAS)); 3414e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3415e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3416e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 3417e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * Sets metering areas. See {@link #getMeteringAreas()} for 3418e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * documentation. 3419e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 34207b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * @param meteringAreas the metering areas 3421e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @see #getMeteringAreas() 3422e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3423e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public void setMeteringAreas(List<Area> meteringAreas) { 3424e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li set(KEY_METERING_AREAS, meteringAreas); 342530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 342630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 34274c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 34284c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Gets the maximum number of detected faces supported. This is the 34294c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * maximum length of the list returned from {@link FaceDetectionListener}. 34304c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * If the return value is 0, face detection of the specified type is not 34314c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * supported. 34324c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 34334c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @return the maximum number of detected face supported by the camera. 3434464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 34354c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 3436c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li public int getMaxNumDetectedFaces() { 3437c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li return getInt(KEY_MAX_NUM_DETECTED_FACES_HW, 0); 34384c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 34394c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 344025d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li /** 34419c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * Sets recording mode hint. This tells the camera that the intent of 34429c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * the application is to record videos {@link 34439c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * android.media.MediaRecorder#start()}, not to take still pictures 34449c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * {@link #takePicture(Camera.ShutterCallback, Camera.PictureCallback, 34459c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}. Using this hint can 34469c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * allow MediaRecorder.start() to start faster or with fewer glitches on 34479c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * output. This should be called before starting preview for the best 34489c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * result, but can be changed while the preview is active. The default 34499c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * value is false. 34509c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * 34519c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * The app can still call takePicture() when the hint is true or call 34529c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * MediaRecorder.start() when the hint is false. But the performance may 34539c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * be worse. 34549c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * 34559c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * @param hint true if the apps intend to record videos using 345625d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li * {@link android.media.MediaRecorder}. 345725d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li */ 345825d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li public void setRecordingHint(boolean hint) { 345925d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li set(KEY_RECORDING_HINT, hint ? TRUE : FALSE); 346025d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li } 346125d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li 346298bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li /** 346398bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Returns true if video snapshot is supported. That is, applications 346498bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * can call {@link #takePicture(Camera.ShutterCallback, 346598bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)} 346698bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * during recording. Applications do not need to call {@link 346798bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #startPreview()} after taking a picture. The preview will be still 346898bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * active. Other than that, taking a picture during recording is 346998bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * identical to taking a picture normally. All settings and methods 347098bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * related to takePicture work identically. Ex: {@link 347198bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #getPictureSize()}, {@link #getSupportedPictureSizes()}, {@link 347298bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #setJpegQuality(int)}, {@link #setRotation(int)}, and etc. The 347398bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * picture will have an EXIF header. {@link #FLASH_MODE_AUTO} and {@link 347498bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #FLASH_MODE_ON} also still work, but the video will record the flash. 347598bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * 347698bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Applications can set shutter callback as null to avoid the shutter 347798bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * sound. It is also recommended to set raw picture and post view 347898bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * callbacks to null to avoid the interrupt of preview display. 347998bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * 348098bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Field-of-view of the recorded video may be different from that of the 348198bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * captured pictures. 348298bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * 348398bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * @return true if video snapshot is supported. 348498bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li */ 348598bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li public boolean isVideoSnapshotSupported() { 348698bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li String str = get(KEY_VIDEO_SNAPSHOT_SUPPORTED); 348798bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li return TRUE.equals(str); 348898bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li } 348998bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li 3490037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala /** 3491037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * <p>Enables and disables video stabilization. Use 3492037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link #isVideoStabilizationSupported} to determine if calling this 3493037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * method is valid.</p> 3494037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3495037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * <p>Video stabilization reduces the shaking due to the motion of the 3496037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * camera in both the preview stream and in recorded videos, including 3497037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * data received from the preview callback. It does not reduce motion 3498037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * blur in images captured with 3499037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link Camera#takePicture takePicture}.</p> 3500037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3501037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * <p>Video stabilization can be enabled and disabled while preview or 3502037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * recording is active, but toggling it may cause a jump in the video 3503037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * stream that may be undesirable in a recorded video.</p> 3504037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3505037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @param toggle Set to true to enable video stabilization, and false to 3506037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * disable video stabilization. 3507037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #isVideoStabilizationSupported() 3508037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #getVideoStabilization() 3509037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala */ 3510037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala public void setVideoStabilization(boolean toggle) { 3511037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala set(KEY_VIDEO_STABILIZATION, toggle ? TRUE : FALSE); 3512037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala } 3513037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala 3514037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala /** 3515037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * Get the current state of video stabilization. See 3516037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link #setVideoStabilization} for details of video stabilization. 3517037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3518037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @return true if video stabilization is enabled 3519037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #isVideoStabilizationSupported() 3520037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #setVideoStabilization(boolean) 3521037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala */ 3522037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala public boolean getVideoStabilization() { 3523037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala String str = get(KEY_VIDEO_STABILIZATION); 3524037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala return TRUE.equals(str); 3525037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala } 3526037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala 3527037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala /** 3528037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * Returns true if video stabilization is supported. See 3529037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link #setVideoStabilization} for details of video stabilization. 3530037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3531037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @return true if video stabilization is supported 3532037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #setVideoStabilization(boolean) 3533037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #getVideoStabilization() 3534037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala */ 3535037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala public boolean isVideoStabilizationSupported() { 3536037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala String str = get(KEY_VIDEO_STABILIZATION_SUPPORTED); 3537037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala return TRUE.equals(str); 3538037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala } 3539037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala 35409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of String. 35419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 35429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<String> split(String str) { 35439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 35449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 35450a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen TextUtils.StringSplitter splitter = new TextUtils.SimpleStringSplitter(','); 35460a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen splitter.setString(str); 35479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<String> substrings = new ArrayList<String>(); 35480a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen for (String s : splitter) { 35490a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen substrings.add(s); 35509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 35519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 35529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 35539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 35549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Integer. 35559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 35569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Integer> splitInt(String str) { 35579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 35589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 35590a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen TextUtils.StringSplitter splitter = new TextUtils.SimpleStringSplitter(','); 35600a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen splitter.setString(str); 35619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Integer> substrings = new ArrayList<Integer>(); 35620a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen for (String s : splitter) { 35630a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen substrings.add(Integer.parseInt(s)); 35649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 35659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (substrings.size() == 0) return null; 35669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 35679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 35689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3569454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitInt(String str, int[] output) { 3570454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 3571454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 35720a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen TextUtils.StringSplitter splitter = new TextUtils.SimpleStringSplitter(','); 35730a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen splitter.setString(str); 3574454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 35750a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen for (String s : splitter) { 35760a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen output[index++] = Integer.parseInt(s); 3577454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3578454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3579454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3580e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Splits a comma delimited string to an ArrayList of Float. 3581454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitFloat(String str, float[] output) { 3582454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 3583e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 35840a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen TextUtils.StringSplitter splitter = new TextUtils.SimpleStringSplitter(','); 35850a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen splitter.setString(str); 3586454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 35870a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen for (String s : splitter) { 35880a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen output[index++] = Float.parseFloat(s); 3589e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3590e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3591e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 359224b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a float parameter. 359324b326a8978bf78e3e560723dde221792784325bWu-cheng Li private float getFloat(String key, float defaultValue) { 359424b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 359524b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Float.parseFloat(mMap.get(key)); 359624b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 359724b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 359824b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 359924b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 360024b326a8978bf78e3e560723dde221792784325bWu-cheng Li 360124b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a integer parameter. 360224b326a8978bf78e3e560723dde221792784325bWu-cheng Li private int getInt(String key, int defaultValue) { 360324b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 360424b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Integer.parseInt(mMap.get(key)); 360524b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 360624b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 360724b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 360824b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 360924b326a8978bf78e3e560723dde221792784325bWu-cheng Li 36109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Size. 36119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 36129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Size> splitSize(String str) { 36139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 36149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 36150a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen TextUtils.StringSplitter splitter = new TextUtils.SimpleStringSplitter(','); 36160a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen splitter.setString(str); 36179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Size> sizeList = new ArrayList<Size>(); 36180a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen for (String s : splitter) { 36190a12018e4cd6eaaeaec795f6b2af4499fe3a8bcdAli Utku Selen Size size = strToSize(s); 36209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (size != null) sizeList.add(size); 36219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 36229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (sizeList.size() == 0) return null; 36239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return sizeList; 36249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 36259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 36269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parses a string (ex: "480x320") to Size object. 36279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null. 36289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private Size strToSize(String str) { 36299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 36309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 36319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li int pos = str.indexOf('x'); 36329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (pos != -1) { 36339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String width = str.substring(0, pos); 36349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String height = str.substring(pos + 1); 36359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(Integer.parseInt(width), 36369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Integer.parseInt(height)); 36379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 36389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Log.e(TAG, "Invalid size parameter string=" + str); 36399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return null; 36409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 3641454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3642454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Splits a comma delimited string to an ArrayList of int array. 3643454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Example string: "(10000,26623),(10000,30000)". Return null if the 3644454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // passing string is null or the size is 0. 3645454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private ArrayList<int[]> splitRange(String str) { 3646454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null || str.charAt(0) != '(' 3647454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li || str.charAt(str.length() - 1) != ')') { 3648454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li Log.e(TAG, "Invalid range list string=" + str); 3649454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return null; 3650454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3651454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3652454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li ArrayList<int[]> rangeList = new ArrayList<int[]>(); 3653454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int endIndex, fromIndex = 1; 3654454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li do { 3655454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int[] range = new int[2]; 3656454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li endIndex = str.indexOf("),(", fromIndex); 3657454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 3658454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(str.substring(fromIndex, endIndex), range); 3659454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li rangeList.add(range); 3660454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li fromIndex = endIndex + 3; 3661454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } while (endIndex != str.length() - 1); 3662454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3663454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (rangeList.size() == 0) return null; 3664454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return rangeList; 3665454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 366630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 366730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li // Splits a comma delimited string to an ArrayList of Area objects. 366830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li // Example string: "(-10,-10,0,0,300),(0,0,10,10,700)". Return null if 3669f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li // the passing string is null or the size is 0 or (0,0,0,0,0). 367030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private ArrayList<Area> splitArea(String str) { 367130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (str == null || str.charAt(0) != '(' 367230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li || str.charAt(str.length() - 1) != ')') { 367330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Log.e(TAG, "Invalid area string=" + str); 367430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return null; 367530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 367630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 367730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li ArrayList<Area> result = new ArrayList<Area>(); 367830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li int endIndex, fromIndex = 1; 367930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li int[] array = new int[5]; 368030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li do { 368130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li endIndex = str.indexOf("),(", fromIndex); 368230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 368330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li splitInt(str.substring(fromIndex, endIndex), array); 368430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Rect rect = new Rect(array[0], array[1], array[2], array[3]); 368530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li result.add(new Area(rect, array[4])); 368630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li fromIndex = endIndex + 3; 368730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } while (endIndex != str.length() - 1); 368830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 368930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (result.size() == 0) return null; 3690f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li 3691f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (result.size() == 1) { 3692bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li Area area = result.get(0); 3693f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Rect rect = area.rect; 3694f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (rect.left == 0 && rect.top == 0 && rect.right == 0 3695f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li && rect.bottom == 0 && area.weight == 0) { 3696f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li return null; 3697f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 3698f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 3699f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li 370030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return result; 370130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 3702b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li 3703b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li private boolean same(String s1, String s2) { 3704b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li if (s1 == null && s2 == null) return true; 3705b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li if (s1 != null && s1.equals(s2)) return true; 3706b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li return false; 3707b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li } 37089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 37099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3710