Camera.java revision 98bb251c8b527600e7a4cca6cc33499710bbfbf1
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; 29bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport android.view.Surface; 30bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport android.view.SurfaceHolder; 31bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li 32bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.io.IOException; 33bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.lang.ref.WeakReference; 34bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.util.ArrayList; 35bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.util.HashMap; 36bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.util.List; 37bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.util.StringTokenizer; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 394c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 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> 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class Camera { 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String TAG = "Camera"; 1229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 123d2c2929c94bec68741b85f4174e11307fb65157fWu-cheng Li // These match the enums in frameworks/base/include/camera/Camera.h 124da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_ERROR = 0x001; 125da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_SHUTTER = 0x002; 126da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_FOCUS = 0x004; 127da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_ZOOM = 0x008; 128da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_PREVIEW_FRAME = 0x010; 129da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_VIDEO_FRAME = 0x020; 130da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_POSTVIEW_FRAME = 0x040; 131da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_RAW_IMAGE = 0x080; 132da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_COMPRESSED_IMAGE = 0x100; 1334c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final int CAMERA_MSG_RAW_IMAGE_NOTIFY = 0x200; 134bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li private static final int CAMERA_MSG_PREVIEW_METADATA = 0x400; 1354c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final int CAMERA_MSG_ALL_MSGS = 0x4FF; 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mNativeContext; // accessed by native methods 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private EventHandler mEventHandler; 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ShutterCallback mShutterCallback; 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PictureCallback mRawImageCallback; 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PictureCallback mJpegCallback; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PreviewCallback mPreviewCallback; 143e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks private PictureCallback mPostviewCallback; 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private AutoFocusCallback mAutoFocusCallback; 1453f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li private OnZoomChangeListener mZoomListener; 1464c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private FaceDetectionListener mFaceListener; 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ErrorCallback mErrorCallback; 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mOneShot; 14994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp private boolean mWithBuffer; 1504c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private boolean mFaceDetectionRunning = false; 1519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15310e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * Broadcast Action: A new picture is taken by the camera, and the entry of 15410e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * the picture has been added to the media store. 15510e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * {@link android.content.Intent#getData} is URI of the picture. 15610e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li */ 15710e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 15810e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li public static final String ACTION_NEW_PICTURE = "android.hardware.action.NEW_PICTURE"; 15910e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li 16010e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li /** 16110e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * Broadcast Action: A new video is recorded by the camera, and the entry 16210e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * of the video has been added to the media store. 16310e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * {@link android.content.Intent#getData} is URI of the video. 16410e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li */ 16510e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 16610e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li public static final String ACTION_NEW_VIDEO = "android.hardware.action.NEW_VIDEO"; 16710e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li 16810e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li /** 1694c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Hardware face detection. It does not use much CPU. 1704c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 171c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li private static final int CAMERA_FACE_DETECTION_HW = 0; 1724c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 1734c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 174c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Software face detection. It uses some CPU. 1754c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 176c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li private static final int CAMERA_FACE_DETECTION_SW = 1; 1774c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 1784c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 179341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Returns the number of physical cameras available on this device. 180e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang */ 181e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang public native static int getNumberOfCameras(); 182e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang 183e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang /** 184341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Returns the information about a particular camera. 185b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * If {@link #getNumberOfCameras()} returns N, the valid id is 0 to N-1. 186b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 187b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public native static void getCameraInfo(int cameraId, CameraInfo cameraInfo); 188b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 189b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 190b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * Information about a camera 191b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 192b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static class CameraInfo { 1937836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li /** 1947836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * The facing of the camera is opposite to that of the screen. 1957836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li */ 196b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static final int CAMERA_FACING_BACK = 0; 1977836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li 1987836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li /** 1997836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * The facing of the camera is the same as that of the screen. 2007836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li */ 201b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static final int CAMERA_FACING_FRONT = 1; 202b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 203b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 204b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * The direction that the camera faces to. It should be 205b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * CAMERA_FACING_BACK or CAMERA_FACING_FRONT. 206b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 2077836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li public int facing; 208b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 209b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 21032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The orientation of the camera image. The value is the angle that the 211b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * camera image needs to be rotated clockwise so it shows correctly on 21232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the display in its natural orientation. It should be 0, 90, 180, or 270.</p> 213b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 21432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>For example, suppose a device has a naturally tall screen. The 2152fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * back-facing camera sensor is mounted in landscape. You are looking at 2162fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the screen. If the top side of the camera sensor is aligned with the 2172fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the screen in natural orientation, the value should be 2182fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * 90. If the top side of a front-facing camera sensor is aligned with 21932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the right of the screen, the value should be 270.</p> 220b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 221b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * @see #setDisplayOrientation(int) 22269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setRotation(int) 22369ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setPreviewSize(int, int) 22469ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setPictureSize(int, int) 22569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setJpegThumbnailSize(int, int) 226b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 2277836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li public int orientation; 228b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang }; 229b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 230b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 231341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Creates a new Camera object to access a particular hardware camera. 232bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 233bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>You must call {@link #release()} when you are done using the camera, 234bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * otherwise it will remain locked and be unavailable to other applications. 235bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 236341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * <p>Your application should only have one Camera object active at a time 237341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * for a particular hardware camera. 238bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 239bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callbacks from other methods are delivered to the event loop of the 240bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * thread which called open(). If this thread has no event loop, then 241bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callbacks are delivered to the main application event loop. If there 242bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is no main application event loop, callbacks are not delivered. 243bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 244bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p class="caution"><b>Caution:</b> On some devices, this method may 245bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * take a long time to complete. It is best to call this method from a 246bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * worker thread (possibly using {@link android.os.AsyncTask}) to avoid 247bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * blocking the main application UI thread. 248bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 249341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * @param cameraId the hardware camera to access, between 0 and 250a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * {@link #getNumberOfCameras()}-1. 251bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @return a new Camera object, connected, locked and ready for use. 252bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if connection to the camera service fails (for 253facc8ce116bd92f7ba7e8ecb76cbda3953260ef9Wu-cheng Li * example, if the camera is in use by another process or device policy 254facc8ce116bd92f7ba7e8ecb76cbda3953260ef9Wu-cheng Li * manager has disabled the camera). 255facc8ce116bd92f7ba7e8ecb76cbda3953260ef9Wu-cheng Li * @see android.app.admin.DevicePolicyManager#getCameraDisabled(android.content.ComponentName) 256e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang */ 257e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang public static Camera open(int cameraId) { 258e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang return new Camera(cameraId); 259e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang } 260e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang 261e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang /** 262a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * Creates a new Camera object to access the first back-facing camera on the 263a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * device. If the device does not have a back-facing camera, this returns 264a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * null. 2657836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * @see #open(int) 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static Camera open() { 268a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li int numberOfCameras = getNumberOfCameras(); 269a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li CameraInfo cameraInfo = new CameraInfo(); 270a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li for (int i = 0; i < numberOfCameras; i++) { 271a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li getCameraInfo(i, cameraInfo); 272a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li if (cameraInfo.facing == CameraInfo.CAMERA_FACING_BACK) { 273a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li return new Camera(i); 274a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li } 275a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li } 276a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li return null; 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 279e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang Camera(int cameraId) { 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = null; 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = null; 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = null; 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 284e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = null; 2853f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = null; 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Looper looper; 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((looper = Looper.myLooper()) != null) { 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((looper = Looper.getMainLooper()) != null) { 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = null; 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 296e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang native_setup(new WeakReference<Camera>(this), cameraId); 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 2999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li protected void finalize() { 3009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li native_release(); 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 303e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang private native final void native_setup(Object camera_this, int cameraId); 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_release(); 3059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Disconnects and releases the Camera object resources. 309bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 310bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>You must call this as soon as you're done with the Camera object.</p> 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public final void release() { 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_release(); 3144c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 318bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unlocks the camera to allow another process to access it. 319bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Normally, the camera is locked to the process with an active Camera 320bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * object until {@link #release()} is called. To allow rapid handoff 321bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * between processes, you can call this method to release the camera 322bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * temporarily for another process to use; once the other process is done 323bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * you can call {@link #reconnect()} to reclaim the camera. 324bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 325bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This must be done before calling 32642419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#setCamera(Camera)}. This cannot be 32742419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * called after recording starts. 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 329bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 331bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if the camera cannot be unlocked. 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 333bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor public native final void unlock(); 3349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 336bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Re-locks the camera to prevent other processes from accessing it. 337bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera objects are locked by default unless {@link #unlock()} is 338bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called. Normally {@link #reconnect()} is used instead. 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 34042419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * <p>Since API level 13, camera is automatically locked for applications in 34142419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()}. Applications can use the 34242419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * camera (ex: zoom) after recording starts. There is no need to call this 34342419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * after recording starts or stops. 34442419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * 345bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 346bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 347bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if the camera cannot be re-locked (for 348bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is still in use by another process). 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 350ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li public native final void lock(); 3519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 353bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Reconnects to the camera service after another process used it. 354bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * After {@link #unlock()} is called, another process may use the 355bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera; when the process is done, you must reconnect to the camera, 356bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * which will re-acquire the lock and allow you to continue using the 357bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera. 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 35942419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * <p>Since API level 13, camera is automatically locked for applications in 36042419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()}. Applications can use the 36142419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * camera (ex: zoom) after recording starts. There is no need to call this 36242419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * after recording starts or stops. 363bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 364bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 365bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 366bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws IOException if a connection cannot be re-established (for 367bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is still in use by another process). 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 369bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor public native final void reconnect() throws IOException; 3709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 372bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Sets the {@link Surface} to be used for live preview. 373fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Either a surface or surface texture is necessary for preview, and 374fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview is necessary to take pictures. The same surface can be re-set 375fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * without harm. Setting a preview surface will un-set any preview surface 376fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture that was set via {@link #setPreviewTexture}. 3779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 378bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The {@link SurfaceHolder} must already contain a surface when this 379bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method is called. If you are using {@link android.view.SurfaceView}, 380bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * you will need to register a {@link SurfaceHolder.Callback} with 381bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link SurfaceHolder#addCallback(SurfaceHolder.Callback)} and wait for 382bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link SurfaceHolder.Callback#surfaceCreated(SurfaceHolder)} before 383bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling setPreviewDisplay() or starting preview. 384bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 385bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method must be called before {@link #startPreview()}. The 386bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * one exception is that if the preview surface is not set (or set to null) 387bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * before startPreview() is called, then this method may be called once 388bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * with a non-null parameter to set the preview surface. (This allows 389bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera setup and surface creation to happen in parallel, saving time.) 390bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The preview surface may not otherwise change while preview is running. 3919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 392bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param holder containing the Surface on which to place the preview, 393bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to remove the preview surface 394bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws IOException if the method fails (for example, if the surface 395bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is unavailable or unsuitable). 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewDisplay(SurfaceHolder holder) throws IOException { 398b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li if (holder != null) { 399b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li setPreviewDisplay(holder.getSurface()); 400b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } else { 401b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li setPreviewDisplay((Surface)null); 402b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 405dbc289d6c27968bd05cc547ca73579347c3adc99Glenn Kasten private native final void setPreviewDisplay(Surface surface) throws IOException; 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 408fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Sets the {@link SurfaceTexture} to be used for live preview. 409fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Either a surface or surface texture is necessary for preview, and 410fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview is necessary to take pictures. The same surface texture can be 411fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * re-set without harm. Setting a preview surface texture will un-set any 412fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview surface that was set via {@link #setPreviewDisplay}. 413fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * 414fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * <p>This method must be called before {@link #startPreview()}. The 415fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * one exception is that if the preview surface texture is not set (or set 416fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * to null) before startPreview() is called, then this method may be called 417fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * once with a non-null parameter to set the preview surface. (This allows 418fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * camera setup and surface creation to happen in parallel, saving time.) 419fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * The preview surface texture may not otherwise change while preview is 420fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * running. 421fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * 42232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The timestamps provided by {@link SurfaceTexture#getTimestamp()} for a 423e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * SurfaceTexture set as the preview texture have an unspecified zero point, 424e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * and cannot be directly compared between different cameras or different 425e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * instances of the same camera, or across multiple runs of the same 426e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * program. 427e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * 428fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * @param surfaceTexture the {@link SurfaceTexture} to which the preview 429fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * images are to be sent or null to remove the current preview surface 430fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture 431fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * @throws IOException if the method fails (for example, if the surface 432fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture is unavailable or unsuitable). 433fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis */ 434dbc289d6c27968bd05cc547ca73579347c3adc99Glenn Kasten public native final void setPreviewTexture(SurfaceTexture surfaceTexture) throws IOException; 435fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis 436fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis /** 437bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to deliver copies of preview frames as 438bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * they are displayed. 439bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 440bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallback(Camera.PreviewCallback) 441bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setOneShotPreviewCallback(Camera.PreviewCallback) 442bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 443bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startPreview() 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PreviewCallback 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 448bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as preview frames are displayed. This callback is invoked 449341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * on the event thread {@link #open(int)} was called from. 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 451bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param data the contents of the preview frame in the format defined 452a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by {@link android.graphics.ImageFormat}, which can be queried 453df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * with {@link android.hardware.Camera.Parameters#getPreviewFormat()}. 454da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * If {@link android.hardware.Camera.Parameters#setPreviewFormat(int)} 4559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * is never called, the default will be the YCbCr_420_SP 4569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * (NV21) format. 457bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param camera the Camera service object. 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPreviewFrame(byte[] data, Camera camera); 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 4619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 463bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts capturing and drawing preview frames to the screen. 464c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * Preview will not actually start until a surface is supplied 465c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * with {@link #setPreviewDisplay(SurfaceHolder)} or 466c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * {@link #setPreviewTexture(SurfaceTexture)}. 467bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 468bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If {@link #setPreviewCallback(Camera.PreviewCallback)}, 469bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(Camera.PreviewCallback)}, or 470bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallbackWithBuffer(Camera.PreviewCallback)} were 471bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called, {@link Camera.PreviewCallback#onPreviewFrame(byte[], Camera)} 472bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * will be called when preview data becomes available. 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final void startPreview(); 4759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 477bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops capturing and drawing preview frames to the surface, and 478bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * resets the camera for a future call to {@link #startPreview()}. 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4804c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void stopPreview() { 4814c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li _stopPreview(); 4824c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 4834c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 4844c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 4854c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _stopPreview(); 4869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return current preview state. 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * FIXME: Unhide before release 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final boolean previewEnabled(); 4949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 496bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for every preview frame in addition 497bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to displaying them on the screen. The callback will be repeatedly called 498bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * for as long as preview is active. This method can be called at any time, 499bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * even while preview is live. Any other preview callbacks are overridden. 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 501bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of each preview frame, 502bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewCallback(PreviewCallback cb) { 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = cb; 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOneShot = false; 50794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 508a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Always use one-shot mode. We fake camera preview mode by 509a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // doing one-shot preview continuously. 51094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 514bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for the next preview frame in addition 515bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to displaying it on the screen. After one invocation, the callback is 516bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * cleared. This method can be called any time, even when preview is live. 517bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Any other preview callbacks are overridden. 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 519bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the next preview frame, 520bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setOneShotPreviewCallback(PreviewCallback cb) { 52394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 52494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = true; 52594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 52694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 52794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 52894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 52994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp private native final void setHasPreviewCallback(boolean installed, boolean manualBuffer); 53094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 53194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 532bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for every preview frame, using buffers 533bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * supplied with {@link #addCallbackBuffer(byte[])}, in addition to 534bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * displaying them on the screen. The callback will be repeatedly called 535bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * for as long as preview is active and buffers are available. 536bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Any other preview callbacks are overridden. 53794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 538bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The purpose of this method is to improve preview efficiency and frame 539bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * rate by allowing preview frame memory reuse. You must call 540bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #addCallbackBuffer(byte[])} at some point -- before or after 541bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling this method -- or no callbacks will received. 54294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 543bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The buffer queue will be cleared if this method is called with a null 544bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callback, {@link #setPreviewCallback(Camera.PreviewCallback)} is called, 545bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or {@link #setOneShotPreviewCallback(Camera.PreviewCallback)} is called. 54694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 547bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the preview frame, 548bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks and clear the buffer queue. 549bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #addCallbackBuffer(byte[]) 55094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 55194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp public final void setPreviewCallbackWithBuffer(PreviewCallback cb) { 55294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 55394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = false; 55494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = true; 55594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, true); 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 5593f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Adds a pre-allocated buffer to the preview callback buffer queue. 5603f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Applications can add one or more buffers to the queue. When a preview 561bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * frame arrives and there is still at least one available buffer, the 562bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * buffer will be used and removed from the queue. Then preview callback is 563bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * invoked with the buffer. If a frame arrives and there is no buffer left, 564bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the frame is discarded. Applications should add buffers back when they 565bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * finish processing the data in them. 566c10275abd6a494c93a025f683dde104a5d4f2793Wu-cheng Li * 567bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The size of the buffer is determined by multiplying the preview 568e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * image width, height, and bytes per pixel. The width and height can be 569e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * read from {@link Camera.Parameters#getPreviewSize()}. Bytes per pixel 570bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * can be computed from 571bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 8, 572bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * using the image format from {@link Camera.Parameters#getPreviewFormat()}. 57394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 574bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only necessary when 575e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link #setPreviewCallbackWithBuffer(PreviewCallback)} is used. When 576bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallback(PreviewCallback)} or 577bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(PreviewCallback)} are used, buffers 578e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * are automatically allocated. When a supplied buffer is too small to 579e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * hold the preview frame data, preview callback will return null and 580e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * the buffer will be removed from the buffer queue. 58194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 582bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param callbackBuffer the buffer to add to the queue. 583bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The size should be width * height * bits_per_pixel / 8. 5845b9bcda3a26e9b1f9b1eff28a2be8853d69614f0Wu-cheng Li * @see #setPreviewCallbackWithBuffer(PreviewCallback) 58594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 586e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addCallbackBuffer(byte[] callbackBuffer) 587e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 588e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, CAMERA_MSG_PREVIEW_FRAME); 589e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 590e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 591e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong /** 592e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Adds a pre-allocated buffer to the raw image callback buffer queue. 593e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Applications can add one or more buffers to the queue. When a raw image 594e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * frame arrives and there is still at least one available buffer, the 595e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * buffer will be used to hold the raw image data and removed from the 596e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. Then raw image callback is invoked with the buffer. If a raw 597e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * image frame arrives but there is no buffer left, the frame is 598e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * discarded. Applications should add buffers back when they finish 599e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * processing the data in them by calling this method again in order 600e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * to avoid running out of raw image callback buffers. 601e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 602e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>The size of the buffer is determined by multiplying the raw image 603e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * width, height, and bytes per pixel. The width and height can be 604e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * read from {@link Camera.Parameters#getPictureSize()}. Bytes per pixel 605e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * can be computed from 606e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 8, 607e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * using the image format from {@link Camera.Parameters#getPreviewFormat()}. 608e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 609e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>This method is only necessary when the PictureCallbck for raw image 610e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * is used while calling {@link #takePicture(Camera.ShutterCallback, 611e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 612e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 61332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Please note that by calling this method, the mode for 61432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * application-managed callback buffers is triggered. If this method has 61532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * never been called, null will be returned by the raw image callback since 61632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * there is no image callback buffer available. Furthermore, When a supplied 61732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * buffer is too small to hold the raw image data, raw image callback will 61832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * return null and the buffer will be removed from the buffer queue. 619e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 620e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @param callbackBuffer the buffer to add to the raw image callback buffer 621e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. The size should be width * height * (bits per pixel) / 8. An 622e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * null callbackBuffer will be ignored and won't be added to the queue. 623e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 624e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @see #takePicture(Camera.ShutterCallback, 625e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 626e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 627e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@hide} 628e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong */ 629e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addRawImageCallbackBuffer(byte[] callbackBuffer) 630e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 631e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong addCallbackBuffer(callbackBuffer, CAMERA_MSG_RAW_IMAGE); 632e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 633e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 634e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private final void addCallbackBuffer(byte[] callbackBuffer, int msgType) 635e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 636e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // CAMERA_MSG_VIDEO_FRAME may be allowed in the future. 637e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (msgType != CAMERA_MSG_PREVIEW_FRAME && 638e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType != CAMERA_MSG_RAW_IMAGE) { 639e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong throw new IllegalArgumentException( 640e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong "Unsupported message type: " + msgType); 641e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 642e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 643e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, msgType); 644e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 645e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 646e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void _addCallbackBuffer( 647e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong byte[] callbackBuffer, int msgType); 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class EventHandler extends Handler 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Camera mCamera; 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public EventHandler(Camera c, Looper looper) { 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(looper); 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCamera = c; 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(msg.what) { 661c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_SHUTTER: 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mShutterCallback != null) { 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback.onShutter(); 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 666c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks 667c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_RAW_IMAGE: 668e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mRawImageCallback != null) { 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback.onPictureTaken((byte[])msg.obj, mCamera); 670e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 673c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_COMPRESSED_IMAGE: 674e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mJpegCallback != null) { 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback.onPictureTaken((byte[])msg.obj, mCamera); 676e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 679c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_PREVIEW_FRAME: 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreviewCallback != null) { 681a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks PreviewCallback cb = mPreviewCallback; 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOneShot) { 683a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Clear the callback variable before the callback 684a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // in case the app calls setPreviewCallback from 685a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the callback function 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 68794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } else if (!mWithBuffer) { 688a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // We're faking the camera preview mode to prevent 689a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the app from being flooded with preview frames. 690a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Set to oneshot mode again. 69194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(true, false); 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 693a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks cb.onPreviewFrame((byte[])msg.obj, mCamera); 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 697e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_POSTVIEW_FRAME: 698e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mPostviewCallback != null) { 699e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback.onPictureTaken((byte[])msg.obj, mCamera); 700e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 701e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 702e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 703c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_FOCUS: 704e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mAutoFocusCallback != null) { 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback.onAutoFocus(msg.arg1 == 0 ? false : true, mCamera); 706e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 707e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 708e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 709e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_ZOOM: 7103f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li if (mZoomListener != null) { 7113f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener.onZoomChange(msg.arg1, msg.arg2 != 0, mCamera); 712e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 715bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li case CAMERA_MSG_PREVIEW_METADATA: 7164c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li if (mFaceListener != null) { 717f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li mFaceListener.onFaceDetection((Face[])msg.obj, mCamera); 7184c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 7194c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li return; 7204c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 721c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_ERROR : 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error " + msg.arg1); 723e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mErrorCallback != null) { 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback.onError(msg.arg1, mCamera); 725e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Unknown message type " + msg.what); 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object camera_ref, 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Camera c = (Camera)((WeakReference)camera_ref).get(); 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == null) 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c.mEventHandler != null) { 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Message m = c.mEventHandler.obtainMessage(what, arg1, arg2, obj); 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.mEventHandler.sendMessage(m); 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 749bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to notify on completion of camera auto focus. 750bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 7517478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * <p>Devices that do not support auto-focus will receive a "fake" 7527478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * callback to this interface. If your application needs auto-focus and 753df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * should not be installed on devices <em>without</em> auto-focus, you must 754df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * declare that your app uses the 7557478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * {@code android.hardware.camera.autofocus} feature, in the 756df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 757df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 758bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 759bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(AutoFocusCallback) 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface AutoFocusCallback 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 76469ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * Called when the camera auto focus completes. If the camera 76569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * does not support auto-focus and autoFocus is called, 76669ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * onAutoFocus will be called immediately with a fake value of 76769ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <code>success</code> set to <code>true</code>. 7689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 76983d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * The auto-focus routine may lock auto-exposure and auto-white balance 77083d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * after it completes. To check for the state of these locks, use the 77183d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#getAutoExposureLock()} and 77283d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#getAutoWhiteBalanceLock()} 77383d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * methods. If such locking is undesirable, use 77483d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#setAutoExposureLock(boolean)} 77583d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * and 77683d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean)} 77783d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * to release the locks. 77883d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param success true if focus was successful, false if otherwise 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 78183d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoExposureLock(boolean) 78283d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean) 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onAutoFocus(boolean success, Camera camera); 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 788bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts camera auto-focus and registers a callback function to run when 789bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the camera is focused. This method is only valid when preview is active 790bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * (between {@link #startPreview()} and before {@link #stopPreview()}). 791bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 792bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callers should check 793bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.hardware.Camera.Parameters#getFocusMode()} to determine if 794bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this method should be called. If the camera does not support auto-focus, 795bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * it is a no-op and {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} 79636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * callback will be called immediately. 797bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 798da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If your application should not be installed 7997478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * on devices without auto-focus, you must declare that your application 8007478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * uses auto-focus with the 801df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 802df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 803bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 804068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * <p>If the current flash mode is not 805068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * {@link android.hardware.Camera.Parameters#FLASH_MODE_OFF}, flash may be 806bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * fired during auto-focus, depending on the driver and camera hardware.<p> 8077478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 80883d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * The auto-focus routine may lock auto-exposure and auto-white balance 80983d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * after it completes. To check for the state of these locks, use the 81083d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#getAutoExposureLock()} and 81183d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#getAutoWhiteBalanceLock()} 81283d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * methods after the {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} 81383d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * callback is invoked. If such locking is undesirable, use 81483d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#setAutoExposureLock(boolean)} 81583d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * and 81683d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean)} 81783d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * to release the locks. 81883d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cb the callback to run 820bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #cancelAutoFocus() 82183d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoExposureLock(boolean) 82283d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean) 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void autoFocus(AutoFocusCallback cb) 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback = cb; 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_autoFocus(); 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_autoFocus(); 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 832bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Cancels any auto-focus function in progress. 833bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Whether or not auto-focus is currently in progress, 834bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this function will return the focus position to the default. 835244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang * If the camera does not support auto-focus, this is a no-op. 836bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 83783d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * Canceling auto-focus will return the auto-exposure lock and auto-white 83883d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * balance lock to their state before {@link #autoFocus(AutoFocusCallback)} 83983d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * was called. 84083d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * 841bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(Camera.AutoFocusCallback) 84283d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoExposureLock(boolean) 84383d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean) 844244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang */ 845244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang public final void cancelAutoFocus() 846244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang { 847244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang mAutoFocusCallback = null; 848244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang native_cancelAutoFocus(); 849244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang } 850244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang private native final void native_cancelAutoFocus(); 851244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang 852244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang /** 853bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to signal the moment of actual image capture. 854bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 855bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ShutterCallback 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 860bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as near as possible to the moment when a photo is captured 861bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * from the sensor. This is a good opportunity to play a shutter sound 862bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or give other feedback of camera operation. This may be some time 863bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * after the photo was triggered, but some time before the actual data 864bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is available. 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onShutter(); 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 870bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to supply image data from a photo capture. 871bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 872bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PictureCallback { 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 876bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when image data is available after a picture is taken. 877bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The format of the data depends on the context of the callback 878bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * and {@link Camera.Parameters} settings. 8799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param data a byte array of the picture data 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPictureTaken(byte[] data, Camera camera); 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 887bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Equivalent to takePicture(shutter, raw, null, jpeg). 8889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 889bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void takePicture(ShutterCallback shutter, PictureCallback raw, 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PictureCallback jpeg) { 893e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks takePicture(shutter, raw, null, jpeg); 894e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 895e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void native_takePicture(int msgType); 896e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 897e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 8989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Triggers an asynchronous image capture. The camera service will initiate 8999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * a series of callbacks to the application as the image capture progresses. 9009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The shutter callback occurs after the image is captured. This can be used 9019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to trigger a sound to let the user know that image has been captured. The 9029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * raw callback occurs when the raw image data is available (NOTE: the data 903e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * will be null if there is no raw image callback buffer available or the 904e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * raw image callback buffer is not large enough to hold the raw image). 9059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The postview callback occurs when a scaled, fully processed postview 9069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * image is available (NOTE: not all hardware supports this). The jpeg 9079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * callback occurs when the compressed image is available. If the 9089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * application does not need a particular callback, a null can be passed 9099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * instead of a callback method. 910e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * 911bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only valid when preview is active (after 912bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #startPreview()}). Preview will be stopped after the image is 913bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * taken; callers must call {@link #startPreview()} again if they want to 91442419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * re-start preview or take more pictures. This should not be called between 91542419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()} and 91642419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#stop()}. 91740057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 918bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>After calling this method, you must not call {@link #startPreview()} 919bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or take another picture until the JPEG callback has returned. 92040057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 921bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param shutter the callback for image capture moment, or null 922bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param raw the callback for raw (uncompressed) image data, or null 923e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param postview callback with postview image data, may be null 924bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param jpeg the callback for JPEG image data, or null 925e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 926e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks public final void takePicture(ShutterCallback shutter, PictureCallback raw, 927e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks PictureCallback postview, PictureCallback jpeg) { 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = shutter; 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = raw; 930e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = postview; 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = jpeg; 932e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 933e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // If callback is not set, do not send me callbacks. 934e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong int msgType = 0; 935e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mShutterCallback != null) { 936e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_SHUTTER; 937e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 938e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mRawImageCallback != null) { 939e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_RAW_IMAGE; 940e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 941e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mPostviewCallback != null) { 942e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_POSTVIEW_FRAME; 943e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 944e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mJpegCallback != null) { 945e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_COMPRESSED_IMAGE; 946e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 947e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 948e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong native_takePicture(msgType); 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 951e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 952bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Zooms to the requested value smoothly. The driver will notify {@link 9533f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} of the zoom value and whether zoom is stopped at 9543f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * the time. For example, suppose the current zoom is 0 and startSmoothZoom 955bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with value 3. The 956bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.OnZoomChangeListener#onZoomChange(int, boolean, Camera)} 957bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method will be called three times with zoom values 1, 2, and 3. 958bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications can call {@link #stopSmoothZoom} to stop the zoom earlier. 959bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications should not call startSmoothZoom again or change the zoom 960bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * value before zoom stops. If the supplied zoom value equals to the current 961bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * zoom value, no zoom callback will be generated. This method is supported 962bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * if {@link android.hardware.Camera.Parameters#isSmoothZoomSupported} 963bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * returns true. 96436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 96536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link 96636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * android.hardware.Camera.Parameters#getMaxZoom}. 9670ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws IllegalArgumentException if the zoom value is invalid. 9680ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 969bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 97036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 97136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void startSmoothZoom(int value); 97236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 97336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 974bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops the smooth zoom. Applications should wait for the {@link 9753f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} to know when the zoom is actually stopped. This 9763f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * method is supported if {@link 9778cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * android.hardware.Camera.Parameters#isSmoothZoomSupported} is true. 9780ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * 9790ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 98036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 98136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void stopSmoothZoom(); 98236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 98336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 9842fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Set the clockwise rotation of preview display in degrees. This affects 9852fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the preview frames and the picture displayed after snapshot. This method 9862fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * is useful for portrait mode applications. Note that preview display of 987b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * front-facing cameras is flipped horizontally before the rotation, that 988b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * is, the image is reflected along the central vertical axis of the camera 989b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * sensor. So the users can see themselves as looking into a mirror. 990d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 99169ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>This does not affect the order of byte array passed in {@link 9922fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * PreviewCallback#onPreviewFrame}, JPEG pictures, or recorded videos. This 9932fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * method is not allowed to be called during preview. 994d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 99569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If you want to make the camera image show in the same orientation as 99669ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * the display, you can use the following code. 997b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * <pre> 998724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * public static void setCameraDisplayOrientation(Activity activity, 999724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int cameraId, android.hardware.Camera camera) { 1000724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.CameraInfo info = 1001724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * new android.hardware.Camera.CameraInfo(); 1002724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.getCameraInfo(cameraId, info); 1003724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int rotation = activity.getWindowManager().getDefaultDisplay() 1004724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * .getRotation(); 1005724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int degrees = 0; 1006724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * switch (rotation) { 1007724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_0: degrees = 0; break; 1008724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_90: degrees = 90; break; 1009724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_180: degrees = 180; break; 1010724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_270: degrees = 270; break; 1011724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 1012b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 10132fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int result; 10142fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) { 10152fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation + degrees) % 360; 10162fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (360 - result) % 360; // compensate the mirror 10172fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing 10182fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation - degrees + 360) % 360; 10192fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 1020724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * camera.setDisplayOrientation(result); 1021724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 1022b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * </pre> 1023d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * @param degrees the angle that the picture will be rotated clockwise. 1024e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * Valid values are 0, 90, 180, and 270. The starting 1025e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * position is 0 (landscape). 10262fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * @see #setPreviewDisplay(SurfaceHolder) 1027d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang */ 1028d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang public native final void setDisplayOrientation(int degrees); 1029d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang 1030d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang /** 1031bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for zoom changes during a smooth zoom operation. 1032bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1033bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 1034bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startSmoothZoom(int) 1035e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 10363f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public interface OnZoomChangeListener 1037e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 1038e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 1039bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when the zoom value has changed during a smooth zoom. 104036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 104136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param zoomValue the current zoom value. In smooth zoom mode, camera 10423f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * calls this for every new zoom value. 104336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param stopped whether smooth zoom is stopped. If the value is true, 104436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this is the last zoom update for the application. 1045e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param camera the Camera service object 1046e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 10473f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li void onZoomChange(int zoomValue, boolean stopped, Camera camera); 1048e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks }; 1049e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 1050e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 10513f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Registers a listener to be notified when the zoom value is updated by the 105236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * camera driver during smooth zoom. 10538cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * 10543f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param listener the listener to notify 10558cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @see #startSmoothZoom(int) 1056e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 10573f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public final void setZoomChangeListener(OnZoomChangeListener listener) 1058e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 10593f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = listener; 1060e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 10619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 10624c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 10634c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Callback interface for face detected in the preview frame. 10644c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 10654c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 10664c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public interface FaceDetectionListener 10674c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li { 10684c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 10694c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Notify the listener of the detected faces in the preview frame. 10704c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1071f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * @param faces the detected faces. The list is sorted by the score. 1072f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * The highest score is the first element. 10734c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @param camera the Camera service object 10744c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1075f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li void onFaceDetection(Face[] faces, Camera camera); 10764c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 10774c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 10784c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1079c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Registers a listener to be notified about the faces detected in the 10804c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * preview frame. 10814c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 10824c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @param listener the listener to notify 1083c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @see #startFaceDetection() 10844c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 10854c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void setFaceDetectionListener(FaceDetectionListener listener) 10864c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li { 10874c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceListener = listener; 10884c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 10894c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 10904c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1091c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Starts the face detection. This should be called after preview is started. 10924c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * The camera will notify {@link FaceDetectionListener} of the detected 10934c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * faces in the preview frame. The detected faces may be the same as the 10944c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * previous ones. Applications should call {@link #stopFaceDetection} to 10954c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * stop the face detection. This method is supported if {@link 1096c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Parameters#getMaxNumDetectedFaces()} returns a number larger than 0. 10974c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * If the face detection has started, apps should not call this again. 10984c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1099c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * When the face detection is running, {@link Parameters#setWhiteBalance(String)}, 11004c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * {@link Parameters#setFocusAreas(List)}, and {@link Parameters#setMeteringAreas(List)} 11014c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * have no effect. 11024c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1103c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @throws IllegalArgumentException if the face detection is unsupported. 11044c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @throws RuntimeException if the method fails or the face detection is 11054c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * already running. 11064c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see FaceDetectionListener 11074c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #stopFaceDetection() 1108c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @see Parameters#getMaxNumDetectedFaces() 11094c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1110c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li public final void startFaceDetection() { 11114c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li if (mFaceDetectionRunning) { 11124c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li throw new RuntimeException("Face detection is already running"); 11134c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 1114c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li _startFaceDetection(CAMERA_FACE_DETECTION_HW); 11154c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = true; 11164c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11174c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11184c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1119c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Stops the face detection. 11204c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11214c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #startFaceDetection(int) 11224c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 11234c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void stopFaceDetection() { 11244c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li _stopFaceDetection(); 11254c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 11264c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11274c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11284c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _startFaceDetection(int type); 11294c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _stopFaceDetection(); 11304c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11314c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1132f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * The information of a face from camera face detection. 11334c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11344c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1135f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li public static class Face { 1136c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li /** 1137c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Create an empty face. 1138c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li */ 1139bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public Face() { 1140bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li } 1141bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li 11424c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 11434c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Bounds of the face. (-1000, -1000) represents the top-left of the 11444c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * camera field of view, and (1000, 1000) represents the bottom-right of 1145c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * the field of view. For example, suppose the size of the viewfinder UI 1146c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * is 800x480. The rect passed from the driver is (-1000, -1000, 0, 0). 1147c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * The corresponding viewfinder rect should be (0, 0, 400, 240). The 1148c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * width and height of the rect will not be 0 or negative. 1149f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * 1150f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * <p>The direction is relative to the sensor orientation, that is, what 1151f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * the sensor sees. The direction is not affected by the rotation or 1152f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * mirroring of {@link #setDisplayOrientation(int)}.</p> 11534c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11544c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #startFaceDetection(int) 11554c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1156bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public Rect rect; 11574c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11584c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 11594c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * The confidence level of the face. The range is 1 to 100. 100 is the 1160c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * highest confidence. 11614c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11624c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #startFaceDetection(int) 11634c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1164bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public int score; 1165d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1166d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1167d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * An unique id per face while the face is visible to the tracker. If 1168d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * the face leaves the field-of-view and comes back, it will get a new 1169d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * id. This is an optional field, may not be supported on all devices. 1170d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * If not supported, id will always be set to -1. The optional fields 1171d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * are supported as a set. Either they are all valid, or none of them 1172d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * are. 1173d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1174d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public int id = -1; 1175d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1176d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1177d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * The coordinates of the center of the left eye. The coordinates are in 1178d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * the same space as the ones for {@link #rect}. This is an optional 1179d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * field, may not be supported on all devices. If not supported, the 1180d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * value will always be set to null. The optional fields are supported 1181d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * as a set. Either they are all valid, or none of them are. 1182d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1183d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public Point leftEye = null; 1184d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1185d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1186d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * The coordinates of the center of the right eye. The coordinates are 1187d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * in the same space as the ones for {@link #rect}.This is an optional 1188d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * field, may not be supported on all devices. If not supported, the 1189d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * value will always be set to null. The optional fields are supported 1190d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * as a set. Either they are all valid, or none of them are. 1191d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1192d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public Point rightEye = null; 1193d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1194d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1195d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * The coordinates of the center of the mouth. The coordinates are in 1196d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * the same space as the ones for {@link #rect}. This is an optional 1197d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * field, may not be supported on all devices. If not supported, the 1198d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * value will always be set to null. The optional fields are supported 1199d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * as a set. Either they are all valid, or none of them are. 1200d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1201d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public Point mouth = null; 12024c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 12034c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 1204bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor // Error codes match the enum in include/ui/Camera.h 1205bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 1206bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 1207bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unspecified camera error. 1208bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 1209bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_UNKNOWN = 1; 1211bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 1212bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 1213bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Media server died. In this case, the application must release the 1214bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera object and instantiate a new one. 1215bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 1216bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_SERVER_DIED = 100; 12189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1220bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for camera error notification. 1221bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1222bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setErrorCallback(ErrorCallback) 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ErrorCallback 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback for camera errors. 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param error error code: 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_UNKNOWN} 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_SERVER_DIED} 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onError(int error, Camera camera); 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Registers a callback to be invoked when an error occurs. 1240bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb The callback to run 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setErrorCallback(ErrorCallback cb) 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback = cb; 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_setParameters(String params); 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final String native_getParameters(); 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1251bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Changes the settings for this Camera service. 12529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the Parameters to use for this Camera service 125499a3f3e4e06b4370101ca97cc11dbe81d772fefaWu-cheng Li * @throws RuntimeException if any parameter is invalid or not supported. 1255bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #getParameters() 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setParameters(Parameters params) { 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setParameters(params.flatten()); 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1262bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Returns the current settings for this Camera service. 1263bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * If modifications are made to the returned Parameters, they must be passed 1264bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to {@link #setParameters(Camera.Parameters)} to take effect. 1265bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1266bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setParameters(Camera.Parameters) 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Parameters getParameters() { 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parameters p = new Parameters(); 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = native_getParameters(); 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.unflatten(s); 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p; 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1276bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Image size (width and height dimensions). 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Size { 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the dimensions for pictures. 12819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param w the photo width (pixels) 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param h the photo height (pixels) 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size(int w, int h) { 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project width = w; 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = h; 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12894c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 12904c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Compares {@code obj} to this size. 12914c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 12924c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @param obj the object to compare this size with. 12934c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @return {@code true} if the width and height of {@code obj} is the 12944c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * same as those of this size. {@code false} otherwise. 12954c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 12964c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 12974c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public boolean equals(Object obj) { 12984c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li if (!(obj instanceof Size)) { 12994c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return false; 13004c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 13014c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li Size s = (Size) obj; 13024c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width == s.width && height == s.height; 13034c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 13044c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 13054c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public int hashCode() { 13064c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width * 32713 + height; 13074c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** width of the picture */ 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int width; 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** height of the picture */ 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int height; 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 131532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The Area class is used for choosing specific metering and focus areas for 131632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the camera to use when calculating auto-exposure, auto-white balance, and 131732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * auto-focus.</p> 131832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 131932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>To find out how many simultaneous areas a given camera supports, use 132032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link Parameters#getMaxNumMeteringAreas()} and 132132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link Parameters#getMaxNumFocusAreas()}. If metering or focusing area 132232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * selection is unsupported, these methods will return 0.</p> 132332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 132432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each Area consists of a rectangle specifying its bounds, and a weight 132532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * that determines its importance. The bounds are relative to the camera's 132632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * current field of view. The coordinates are mapped so that (-1000, -1000) 132732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * is always the top-left corner of the current field of view, and (1000, 132832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 1000) is always the bottom-right corner of the current field of 132932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * view. Setting Areas with bounds outside that range is not allowed. Areas 133032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * with zero or negative width or height are not allowed.</p> 133132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 133232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000, and represents a weight for 133332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * every pixel in the area. This means that a large metering area with 133432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the same weight as a smaller area will have more effect in the 133532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * metering result. Metering areas can overlap and the driver 133632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * will add the weights in the overlap region.</p> 1337bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1338bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#setFocusAreas(List) 1339bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1340bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMaxNumFocusAreas() 1341bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#setMeteringAreas(List) 1342bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1343bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMaxNumMeteringAreas() 134430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 134530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public static class Area { 134630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 134730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Create an area with specified rectangle and weight. 134830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 134932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * @param rect the bounds of the area. 135032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * @param weight the weight of the area. 135130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 135230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public Area(Rect rect, int weight) { 135330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li this.rect = rect; 135430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li this.weight = weight; 135530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 135630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 135730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Compares {@code obj} to this area. 135830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 135930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @param obj the object to compare this area with. 136030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return {@code true} if the rectangle and weight of {@code obj} is 136130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * the same as those of this area. {@code false} otherwise. 136230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 136330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li @Override 136430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public boolean equals(Object obj) { 136530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (!(obj instanceof Area)) { 136630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return false; 136730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 136830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Area a = (Area) obj; 136930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (rect == null) { 137030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (a.rect != null) return false; 137130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } else { 137230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (!rect.equals(a.rect)) return false; 137330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 137430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return weight == a.weight; 137530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 137630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 1377bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li /** 137832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * Bounds of the area. (-1000, -1000) represents the top-left of the 137932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * camera field of view, and (1000, 1000) represents the bottom-right of 138032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the field of view. Setting bounds outside that range is not 138132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * allowed. Bounds with zero or negative width or height are not 138232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * allowed. 1383bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1384bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1385bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1386bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li */ 138730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public Rect rect; 138830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 1389bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li /** 139032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * Weight of the area. The weight must range from 1 to 1000, and 139132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * represents a weight for every pixel in the area. This means that a 139232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * large metering area with the same weight as a smaller area will have 139332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * more effect in the metering result. Metering areas can overlap and 139432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the driver will add the weights in the overlap region. 1395bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1396bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1397bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1398bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li */ 139930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public int weight; 1400bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li } 140130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 140230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 1403bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera service settings. 14049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>To make camera parameters take effect, applications have to call 1406bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera#setParameters(Camera.Parameters)}. For example, after 1407bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#setWhiteBalance} is called, white balance is not 1408bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * actually changed until {@link Camera#setParameters(Camera.Parameters)} 1409bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with the changed parameters object. 14109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>Different devices may have different camera capabilities, such as 14129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * picture size or flash modes. The application should query the camera 14139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * capabilities before setting parameters. For example, the application 1414bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * should call {@link Camera.Parameters#getSupportedColorEffects()} before 1415bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling {@link Camera.Parameters#setColorEffect(String)}. If the 1416bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera does not support color effects, 1417bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#getSupportedColorEffects()} will return null. 14189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Parameters { 14209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter keys to communicate with the camera driver. 14219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_SIZE = "preview-size"; 14229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FORMAT = "preview-format"; 14239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FRAME_RATE = "preview-frame-rate"; 1424454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private static final String KEY_PREVIEW_FPS_RANGE = "preview-fps-range"; 14259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_SIZE = "picture-size"; 14269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_FORMAT = "picture-format"; 14274c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_SIZE = "jpeg-thumbnail-size"; 14289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_WIDTH = "jpeg-thumbnail-width"; 14299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_HEIGHT = "jpeg-thumbnail-height"; 14309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_QUALITY = "jpeg-thumbnail-quality"; 14319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_QUALITY = "jpeg-quality"; 14329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ROTATION = "rotation"; 14339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LATITUDE = "gps-latitude"; 14349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LONGITUDE = "gps-longitude"; 14359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_ALTITUDE = "gps-altitude"; 14369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_TIMESTAMP = "gps-timestamp"; 1437055c986ab841f8f758398841730f1e90313b132aRay Chen private static final String KEY_GPS_PROCESSING_METHOD = "gps-processing-method"; 14389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_WHITE_BALANCE = "whitebalance"; 14399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_EFFECT = "effect"; 14409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ANTIBANDING = "antibanding"; 14419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_SCENE_MODE = "scene-mode"; 14429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_FLASH_MODE = "flash-mode"; 144336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li private static final String KEY_FOCUS_MODE = "focus-mode"; 144430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private static final String KEY_FOCUS_AREAS = "focus-areas"; 144530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private static final String KEY_MAX_NUM_FOCUS_AREAS = "max-num-focus-areas"; 14466c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_FOCAL_LENGTH = "focal-length"; 14476c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_HORIZONTAL_VIEW_ANGLE = "horizontal-view-angle"; 14486c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_VERTICAL_VIEW_ANGLE = "vertical-view-angle"; 1449ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION = "exposure-compensation"; 145024b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MAX_EXPOSURE_COMPENSATION = "max-exposure-compensation"; 145124b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MIN_EXPOSURE_COMPENSATION = "min-exposure-compensation"; 145224b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION_STEP = "exposure-compensation-step"; 14533773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String KEY_AUTO_EXPOSURE_LOCK = "auto-exposure-lock"; 14543773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String KEY_AUTO_EXPOSURE_LOCK_SUPPORTED = "auto-exposure-lock-supported"; 1455d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala private static final String KEY_AUTO_WHITEBALANCE_LOCK = "auto-whitebalance-lock"; 1456d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala private static final String KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED = "auto-whitebalance-lock-supported"; 1457e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private static final String KEY_METERING_AREAS = "metering-areas"; 1458e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private static final String KEY_MAX_NUM_METERING_AREAS = "max-num-metering-areas"; 14598cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM = "zoom"; 14608cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_MAX_ZOOM = "max-zoom"; 14618cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_RATIOS = "zoom-ratios"; 14628cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_SUPPORTED = "zoom-supported"; 14638cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_SMOOTH_ZOOM_SUPPORTED = "smooth-zoom-supported"; 1464e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li private static final String KEY_FOCUS_DISTANCES = "focus-distances"; 1465dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_VIDEO_SIZE = "video-size"; 1466dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO = 1467dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong "preferred-preview-size-for-video"; 14684c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final String KEY_MAX_NUM_DETECTED_FACES_HW = "max-num-detected-faces-hw"; 14694c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final String KEY_MAX_NUM_DETECTED_FACES_SW = "max-num-detected-faces-sw"; 147025d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li private static final String KEY_RECORDING_HINT = "recording-hint"; 147198bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li private static final String KEY_VIDEO_SNAPSHOT_SUPPORTED = "video-snapshot-supported"; 1472e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 14739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter key suffix for supported values. 14749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String SUPPORTED_VALUES_SUFFIX = "-values"; 14759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 14768cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String TRUE = "true"; 14773773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String FALSE = "false"; 14788cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li 14799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for white balance settings. 14809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_AUTO = "auto"; 14819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_INCANDESCENT = "incandescent"; 14829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_FLUORESCENT = "fluorescent"; 14839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_WARM_FLUORESCENT = "warm-fluorescent"; 14849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_DAYLIGHT = "daylight"; 14859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_CLOUDY_DAYLIGHT = "cloudy-daylight"; 14869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_TWILIGHT = "twilight"; 14879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_SHADE = "shade"; 14889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 14899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for color effect settings. 14909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NONE = "none"; 14919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_MONO = "mono"; 14929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NEGATIVE = "negative"; 14939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SOLARIZE = "solarize"; 14949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SEPIA = "sepia"; 14959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_POSTERIZE = "posterize"; 14969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_WHITEBOARD = "whiteboard"; 14979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_BLACKBOARD = "blackboard"; 14989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_AQUA = "aqua"; 14999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 15009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for antibanding settings. 15019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_AUTO = "auto"; 15029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_50HZ = "50hz"; 15039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_60HZ = "60hz"; 15049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_OFF = "off"; 15059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 15069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for flash mode settings. 15079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 15089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will not be fired. 15099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 15109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_OFF = "off"; 151136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 15129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1513068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will be fired automatically when required. The flash may be fired 1514068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * during preview, auto-focus, or snapshot depending on the driver. 15159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 15169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_AUTO = "auto"; 151736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 15189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1519068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will always be fired during snapshot. The flash may also be 1520068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * fired during preview or auto-focus depending on the driver. 15219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 15229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_ON = "on"; 152336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 15249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 15259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will be fired in red-eye reduction mode. 15269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 15279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_RED_EYE = "red-eye"; 152836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 152936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1530068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Constant emission of light during preview, auto-focus and snapshot. 1531068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * This can also be used for video recording. 153236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 1533068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li public static final String FLASH_MODE_TORCH = "torch"; 15349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 153500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 153600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Scene mode is off. 153700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_AUTO = "auto"; 153900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 154000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 154100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 154200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_SPORTS}. 154300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_ACTION = "action"; 154500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 154600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 154700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures. 154800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PORTRAIT = "portrait"; 155000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 155100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 155200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on distant objects. 155300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_LANDSCAPE = "landscape"; 155500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 155600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 155700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos at night. 155800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT = "night"; 156000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 156100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 156200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures at night. 156300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT_PORTRAIT = "night-portrait"; 156500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 156600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 156700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos in a theater. Flash light is off. 156800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_THEATRE = "theatre"; 157000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 157100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 157200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the beach. 157300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_BEACH = "beach"; 157500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 157600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 157700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the snow. 157800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SNOW = "snow"; 158000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 158100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 158200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take sunset photos. 158300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SUNSET = "sunset"; 158500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 158600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 158700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Avoid blurry pictures (for example, due to hand shake). 158800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_STEADYPHOTO = "steadyphoto"; 159000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 159100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 159200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * For shooting firework displays. 159300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_FIREWORKS = "fireworks"; 159500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 159600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 159700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 159800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_ACTION}. 159900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SPORTS = "sports"; 160100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 160200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 160300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take indoor low-light shot. 160400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PARTY = "party"; 160600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 160700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 160800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Capture the naturally warm color of scenes lit by candles. 160900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_CANDLELIGHT = "candlelight"; 16119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1612c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1613c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Applications are looking for a barcode. Camera driver will be 1614c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * optimized for barcode reading. 1615c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1616c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String SCENE_MODE_BARCODE = "barcode"; 1617c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 161836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1619f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Auto-focus mode. Applications should call {@link 1620f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus in this mode. 162136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 162236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_AUTO = "auto"; 162336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 162436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 162536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is set at infinity. Applications should not call 162636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} in this mode. 162736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 162836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_INFINITY = "infinity"; 1629f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li 1630f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li /** 1631f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Macro (close-up) focus mode. Applications should call 1632f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} to start the focus in this 1633f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * mode. 1634f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li */ 163536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_MACRO = "macro"; 163636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 163736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 163836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is fixed. The camera is always in this mode if the focus is not 163936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * adjustable. If the camera has auto-focus, this mode can fix the 164036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * focus, which is usually at hyperfocal distance. Applications should 164136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * not call {@link #autoFocus(AutoFocusCallback)} in this mode. 164236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 164336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_FIXED = "fixed"; 164436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 1645c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1646c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Extended depth of field (EDOF). Focusing is done digitally and 1647c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * continuously. Applications should not call {@link 1648c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode. 1649c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1650c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String FOCUS_MODE_EDOF = "edof"; 1651c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 1652699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li /** 1653d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Continuous auto focus mode intended for video recording. The camera 1654b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * continuously tries to focus. This is the best choice for video 1655b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * recording because the focus changes smoothly . Applications still can 1656b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * call {@link #takePicture(Camera.ShutterCallback, 1657b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)} in this mode but the 1658b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * subject may not be in focus. Auto focus starts when the parameter is 1659b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * set. Applications should not call {@link 1660b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode. To stop continuous 1661b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * focus, applications should change the focus mode to other modes. 1662d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li */ 1663d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li public static final String FOCUS_MODE_CONTINUOUS_VIDEO = "continuous-video"; 1664699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li 1665b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li /** 1666b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * Continuous auto focus mode intended for taking pictures. The camera 1667b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * continuously tries to focus. The speed of focus change is more 1668b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * aggressive than {@link #FOCUS_MODE_CONTINUOUS_VIDEO}. Auto focus 1669b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * starts when the parameter is set. If applications call {@link 1670b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode, the focus callback will 1671b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * immediately return with a boolean that indicates whether the focus is 1672b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * sharp or not. The apps can then decide if they want to take a picture 1673b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * immediately or to change the focus mode to auto, and run a full 1674b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * autofocus cycle. To stop continuous focus, applications should change 1675b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * the focus mode to other modes. 1676b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * 1677b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_VIDEO 1678b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li */ 1679b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li public static final String FOCUS_MODE_CONTINUOUS_PICTURE = "continuous-picture"; 1680b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li 1681e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Indices for focus distance array. 1682e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1683e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of near focus distance for use with 1684e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1685e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1686e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_NEAR_INDEX = 0; 1687e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1688e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1689e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of optimal focus distance for use with 1690e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1691e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1692e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_OPTIMAL_INDEX = 1; 1693e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1694e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1695e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of far focus distance for use with 1696e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1697e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1698e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_FAR_INDEX = 2; 1699e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1700ca099614841bc619f217dfa088da630a7eb1ab65Wu-cheng Li /** 1701454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of minimum preview fps for use with {@link 1702454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1703454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1704454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1705454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MIN_INDEX = 0; 1706454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1707454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1708454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of maximum preview fps for use with {@link 1709454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1710454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1711454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1712454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MAX_INDEX = 1; 1713454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 17149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Formats for setPreviewFormat and setPictureFormat. 17159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV422SP = "yuv422sp"; 17169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV420SP = "yuv420sp"; 1717eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang private static final String PIXEL_FORMAT_YUV422I = "yuv422i-yuyv"; 171810a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li private static final String PIXEL_FORMAT_YUV420P = "yuv420p"; 17199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_RGB565 = "rgb565"; 17209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_JPEG = "jpeg"; 172170fb9085044c5e6f52c33c970d238b764cf2373bWu-cheng Li private static final String PIXEL_FORMAT_BAYER_RGGB = "bayer-rggb"; 17229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 17239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private HashMap<String, String> mMap; 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Parameters() { 17269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap = new HashMap<String, String>(); 17279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Writes the current Parameters to the log. 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dump() { 17359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: size=" + mMap.size()); 17369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 17379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: " + k + "=" + mMap.get(k)); 17389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a single string with all the parameters set in 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #unflatten(String)} method does the reverse.</p> 17459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a String with all values from this Parameters object, in 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * semi-colon delimited key-value pairs 17489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String flatten() { 17509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder flattened = new StringBuilder(); 17519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 17529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(k); 17539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append("="); 17549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(mMap.get(k)); 17559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(";"); 17569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // chop off the extra semicolon at the end 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.deleteCharAt(flattened.length()-1); 17599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return flattened.toString(); 17609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Takes a flattened string of parameters and adds each one to 17649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 17659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #flatten()} method does the reverse.</p> 17669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param flattened a String of parameters (key-value paired) that 17689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are semi-colon delimited 17699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void unflatten(String flattened) { 17719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.clear(); 17729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 17739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringTokenizer tokenizer = new StringTokenizer(flattened, ";"); 17749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (tokenizer.hasMoreElements()) { 17759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String kv = tokenizer.nextToken(); 17769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pos = kv.indexOf('='); 17779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pos == -1) { 17789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 17799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String k = kv.substring(0, pos); 17819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = kv.substring(pos + 1); 17829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(k, v); 17839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 17869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void remove(String key) { 17879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.remove(key); 17889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a String parameter. 17929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 17949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the String value of the parameter 17959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, String value) { 17979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (key.indexOf('=') != -1 || key.indexOf(';') != -1) { 17989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Key \"" + key + "\" contains invalid character (= or ;)"); 17999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 18009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value.indexOf('=') != -1 || value.indexOf(';') != -1) { 18029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Value \"" + value + "\" contains invalid character (= or ;)"); 18039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 18049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, value); 18079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets an integer parameter. 18119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 18139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the int value of the parameter 18149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, int value) { 18169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, Integer.toString(value)); 18179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1819e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private void set(String key, List<Area> areas) { 1820f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (areas == null) { 1821f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li set(key, "(0,0,0,0,0)"); 1822f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } else { 1823f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li StringBuilder buffer = new StringBuilder(); 1824f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li for (int i = 0; i < areas.size(); i++) { 1825f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Area area = areas.get(i); 1826f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Rect rect = area.rect; 1827f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append('('); 1828f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.left); 1829f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1830f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.top); 1831f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1832f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.right); 1833f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1834f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.bottom); 1835f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1836f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(area.weight); 1837f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(')'); 1838f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (i != areas.size() - 1) buffer.append(','); 1839f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 1840f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li set(key, buffer.toString()); 1841e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 1842e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 1843e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 18449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of a String parameter. 18469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 18489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the String value of the parameter 18499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String get(String key) { 18519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMap.get(key); 18529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of an integer parameter. 18569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 18589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the int value of the parameter 18599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getInt(String key) { 18619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Integer.parseInt(mMap.get(key)); 18629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 186526274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * Sets the dimensions for preview pictures. If the preview has already 186626274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * started, applications should stop the preview first before changing 186726274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * preview size. 18689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1869c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * The sides of width and height are based on camera orientation. That 1870c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * is, the preview size is the size before it is rotated by display 1871c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation. So applications need to consider the display orientation 1872c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * while setting preview size. For example, suppose the camera supports 1873c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * both 480x320 and 320x480 preview sizes. The application wants a 3:2 1874c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * preview ratio. If the display orientation is set to 0 or 180, preview 1875c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * size should be set to 480x320. If the display orientation is set to 1876c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 90 or 270, preview size should be set to 320x480. The display 1877c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation should also be considered while setting picture size and 1878c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * thumbnail size. 1879c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 18809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the pictures, in pixels 18819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the pictures, in pixels 1882c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setDisplayOrientation(int) 1883c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #getCameraInfo(int, CameraInfo) 1884c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPictureSize(int, int) 1885c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setJpegThumbnailSize(int, int) 18869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewSize(int width, int height) { 18889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 18899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_SIZE, v); 18909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimensions setting for preview pictures. 18949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1895dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a Size object with the width and height setting 18969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for the preview picture 18979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPreviewSize() { 18999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PREVIEW_SIZE); 19009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 19019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview sizes. 19059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19063f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 19079c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li * with at least one element. 19089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPreviewSizes() { 19109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_SIZE + SUPPORTED_VALUES_SUFFIX); 19119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 19129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 191532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the supported video frame sizes that can be used by 191632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * MediaRecorder.</p> 1917dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 191832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>If the returned list is not null, the returned list will contain at 1919dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * least one Size and one of the sizes in the returned list must be 1920dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * passed to MediaRecorder.setVideoSize() for camcorder application if 1921dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * camera is used as the video source. In this case, the size of the 1922dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview can be different from the resolution of the recorded video 192332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * during video recording.</p> 1924dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 1925dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a list of Size object if camera has separate preview and 1926dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video output; otherwise, null is returned. 1927dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getPreferredPreviewSizeForVideo() 1928dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 1929dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public List<Size> getSupportedVideoSizes() { 1930dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String str = get(KEY_VIDEO_SIZE + SUPPORTED_VALUES_SUFFIX); 1931dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return splitSize(str); 1932dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 1933dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 1934dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 1935dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * Returns the preferred or recommended preview size (width and height) 1936dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * in pixels for video recording. Camcorder applications should 1937dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * set the preview size to a value that is not larger than the 1938dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preferred preview size. In other words, the product of the width 1939dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * and height of the preview size should not be larger than that of 1940dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * the preferred preview size. In addition, we recommend to choose a 1941dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview size that has the same aspect ratio as the resolution of 1942dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video to be recorded. 1943dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 1944dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return the preferred preview size (width and height) in pixels for 1945dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video recording if getSupportedVideoSizes() does not return 1946dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * null; otherwise, null is returned. 1947dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getSupportedVideoSizes() 1948dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 1949dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public Size getPreferredPreviewSizeForVideo() { 1950dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String pair = get(KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO); 1951dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return strToSize(pair); 1952dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 1953dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 1954dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 195532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Sets the dimensions for EXIF thumbnail in Jpeg picture. If 19564c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * applications set both width and height to 0, EXIF will not contain 195732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * thumbnail.</p> 19589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 195932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Applications need to consider the display orientation. See {@link 196032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * #setPreviewSize(int,int)} for reference.</p> 1961c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 19629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the thumbnail, in pixels 19639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the thumbnail, in pixels 1964c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 19659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailSize(int width, int height) { 19679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_WIDTH, width); 19689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_HEIGHT, height); 19699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the dimensions for EXIF thumbnail in Jpeg picture. 19739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting for the EXIF 19759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * thumbnails 19769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public Size getJpegThumbnailSize() { 19789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(getInt(KEY_JPEG_THUMBNAIL_WIDTH), 19799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li getInt(KEY_JPEG_THUMBNAIL_HEIGHT)); 19809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19834c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Gets the supported jpeg thumbnail sizes. 19844c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 19853f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 19864c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * with at least two elements. Size 0,0 (no thumbnail) is always 19874c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * supported. 19884c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 19894c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public List<Size> getSupportedJpegThumbnailSizes() { 19904c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li String str = get(KEY_JPEG_THUMBNAIL_SIZE + SUPPORTED_VALUES_SUFFIX); 19914c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return splitSize(str); 19924c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 19934c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li 19944c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 19959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the quality of the EXIF thumbnail in Jpeg picture. 19969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of the EXIF thumbnail. The range is 1 19989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 19999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailQuality(int quality) { 20019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_QUALITY, quality); 20029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the EXIF thumbnail in Jpeg picture. 20069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 20079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG quality setting of the EXIF thumbnail. 20089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegThumbnailQuality() { 20109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_THUMBNAIL_QUALITY); 20119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets Jpeg quality of captured picture. 20159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 20169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of captured picture. The range is 1 20179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 20189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegQuality(int quality) { 20209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_QUALITY, quality); 20219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the JPEG picture. 20259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG picture quality setting. 20279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegQuality() { 20299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_QUALITY); 20309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2033a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Sets the rate at which preview frames are received. This is the 2034a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * target frame rate. The actual frame rate depends on the driver. 20359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fps the frame rate (frames per second) 20375f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #setPreviewFpsRange(int,int)} 20389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20395f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 20409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFrameRate(int fps) { 20419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FRAME_RATE, fps); 20429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2045a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Returns the setting for the rate at which preview frames are 2046a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * received. This is the target frame rate. The actual frame rate 2047a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * depends on the driver. 20489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the frame rate setting (frames per second) 20505f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getPreviewFpsRange(int[])} 20519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20525f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 20539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFrameRate() { 20549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_PREVIEW_FRAME_RATE); 20559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview frame rates. 20599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20603f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview frame rates. null if preview 20613f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * frame rate setting is not supported. 20625f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getSupportedPreviewFpsRange()} 20639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20645f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 20659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFrameRates() { 20669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FRAME_RATE + SUPPORTED_VALUES_SUFFIX); 20679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitInt(str); 20689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2071454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Sets the maximum and maximum preview fps. This controls the rate of 20721620d118a49dc6df7b0e83d7343f8a8bb6e23b12Wu-cheng Li * preview frames received in {@link PreviewCallback}. The minimum and 2073454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum preview fps must be one of the elements from {@link 2074454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange}. 2075454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2076454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param min the minimum preview fps (scaled by 1000). 2077454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param max the maximum preview fps (scaled by 1000). 2078454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @throws RuntimeException if fps range is invalid. 2079454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 2080454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 2081454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2082454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void setPreviewFpsRange(int min, int max) { 2083454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li set(KEY_PREVIEW_FPS_RANGE, "" + min + "," + max); 2084454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2085454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2086454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 2087454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Returns the current minimum and maximum preview fps. The values are 2088454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * one of the elements returned by {@link #getSupportedPreviewFpsRange}. 2089454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2090454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return range the minimum and maximum preview fps (scaled by 1000). 2091454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 2092454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 2093454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 2094454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2095454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void getPreviewFpsRange(int[] range) { 2096454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (range == null || range.length != 2) { 2097454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li throw new IllegalArgumentException( 20985f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li "range must be an array with two elements."); 2099454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2100454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(get(KEY_PREVIEW_FPS_RANGE), range); 2101454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2102454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2103454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 2104454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Gets the supported preview fps (frame-per-second) ranges. Each range 2105454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * contains a minimum fps and maximum fps. If minimum fps equals to 2106454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum fps, the camera outputs frames in fixed frame rate. If not, 2107454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * the camera outputs frames in auto frame rate. The actual frame rate 2108454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * fluctuates between the minimum and the maximum. The values are 2109454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * multiplied by 1000 and represented in integers. For example, if frame 2110454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * rate is 26.623 frames per second, the value is 26623. 2111454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2112454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return a list of supported preview fps ranges. This method returns a 2113454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * list with at least one element. Every element is an int array 2114454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * of two values - minimum fps and maximum fps. The list is 2115454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * sorted from small to large (first by maximum fps and then 2116454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * minimum fps). 2117454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 2118454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 2119454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2120454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public List<int[]> getSupportedPreviewFpsRange() { 2121454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String str = get(KEY_PREVIEW_FPS_RANGE + SUPPORTED_VALUES_SUFFIX); 2122454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return splitRange(str); 2123454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2124454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2125454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 21267478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * Sets the image format for preview pictures. 2127da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If this is never called, the default format will be 2128a696f5d667227365da732481770767dcb330dd23Mathias Agopian * {@link android.graphics.ImageFormat#NV21}, which 2129df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * uses the NV21 encoding format.</p> 21307478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 2131df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * @param pixel_format the desired preview picture format, defined 2132a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by one of the {@link android.graphics.ImageFormat} constants. 2133a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (E.g., <var>ImageFormat.NV21</var> (default), 2134a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 2135a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 2136a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 21379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFormat(int pixel_format) { 21399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 21409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 21419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 21429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 21439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FORMAT, s); 21469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21493f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Returns the image format for preview frames got from 21509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * {@link PreviewCallback}. 21517478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 21523f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the preview format. 21533f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 21549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFormat() { 21569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PREVIEW_FORMAT)); 21579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2160f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * Gets the supported preview formats. {@link android.graphics.ImageFormat#NV21} 2161f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported. {@link android.graphics.ImageFormat#YV12} 2162f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported since API level 12. 21639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21643f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview formats. This method will always 21653f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 21663f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 21679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFormats() { 21699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FORMAT + SUPPORTED_VALUES_SUFFIX); 2170eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang ArrayList<Integer> formats = new ArrayList<Integer>(); 2171eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang for (String s : split(str)) { 2172eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang int f = pixelFormatForCameraFormat(s); 2173a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 2174eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang formats.add(f); 2175eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang } 2176eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang return formats; 21779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 218032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Sets the dimensions for pictures.</p> 21819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 218232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Applications need to consider the display orientation. See {@link 218332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * #setPreviewSize(int,int)} for reference.</p> 2184c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 21859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width for pictures, in pixels 21869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height for pictures, in pixels 2187c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 2188c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 21899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureSize(int width, int height) { 21919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 21929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_SIZE, v); 21939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimension setting for pictures. 21979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting 21999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for pictures 22009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPictureSize() { 22029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PICTURE_SIZE); 22039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 22049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture sizes. 22089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22093f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported picture sizes. This method will always 22103f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 22119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPictureSizes() { 22139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PICTURE_SIZE + SUPPORTED_VALUES_SUFFIX); 22149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 22159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the image format for pictures. 22199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param pixel_format the desired picture format 2221a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (<var>ImageFormat.NV21</var>, 2222a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 2223a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 2224a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 22259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureFormat(int pixel_format) { 22279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 22289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 22299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 22309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 22319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_FORMAT, s); 22349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the image format for pictures. 22389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22393f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the picture format 22403f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 22419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPictureFormat() { 22439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PICTURE_FORMAT)); 22449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture formats. 22489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22493f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return supported picture formats. This method will always return a 22503f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * list with at least one element. 22513f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 22529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPictureFormats() { 22549c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li String str = get(KEY_PICTURE_FORMAT + SUPPORTED_VALUES_SUFFIX); 22559c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li ArrayList<Integer> formats = new ArrayList<Integer>(); 22569c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li for (String s : split(str)) { 22579c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li int f = pixelFormatForCameraFormat(s); 2258a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 22599c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li formats.add(f); 22609c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li } 22619c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li return formats; 22629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String cameraFormatForPixelFormat(int pixel_format) { 22659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(pixel_format) { 2266a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV16: return PIXEL_FORMAT_YUV422SP; 2267a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV21: return PIXEL_FORMAT_YUV420SP; 2268a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.YUY2: return PIXEL_FORMAT_YUV422I; 226910a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li case ImageFormat.YV12: return PIXEL_FORMAT_YUV420P; 2270a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.RGB_565: return PIXEL_FORMAT_RGB565; 2271a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.JPEG: return PIXEL_FORMAT_JPEG; 227270fb9085044c5e6f52c33c970d238b764cf2373bWu-cheng Li case ImageFormat.BAYER_RGGB: return PIXEL_FORMAT_BAYER_RGGB; 2273a696f5d667227365da732481770767dcb330dd23Mathias Agopian default: return null; 22749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int pixelFormatForCameraFormat(String format) { 22789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (format == null) 2279a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 22809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV422SP)) 2282a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV16; 22839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420SP)) 2285a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV21; 22869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2287eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang if (format.equals(PIXEL_FORMAT_YUV422I)) 2288a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.YUY2; 2289eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang 229010a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420P)) 229110a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li return ImageFormat.YV12; 229210a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li 22939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_RGB565)) 2294a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.RGB_565; 22959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_JPEG)) 2297a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.JPEG; 22989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2299a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 23009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23032fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * Sets the rotation angle in degrees relative to the orientation of 23042fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the camera. This affects the pictures returned from JPEG {@link 23052fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * PictureCallback}. The camera driver may set orientation in the 23062fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * EXIF header without rotating the picture. Or the driver may rotate 23072fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the picture and the EXIF thumbnail. If the Jpeg picture is rotated, 23082fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the orientation in the EXIF header will be missing or 1 (row #0 is 23092fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * top and column #0 is left side). 23109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 231169ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If applications want to rotate the picture to match the orientation 23122fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of what users see, apps should use {@link 23132fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.view.OrientationEventListener} and {@link CameraInfo}. 23142fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * The value from OrientationEventListener is relative to the natural 23152fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation of the device. CameraInfo.orientation is the angle 231669ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * between camera orientation and natural device orientation. The sum 23172fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of the two is the rotation angle for back-facing camera. The 23182fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * difference of the two is the rotation angle for front-facing camera. 23192fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Note that the JPEG pictures of front-facing cameras are not mirrored 23202fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * as in preview display. 23219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 232269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>For example, suppose the natural orientation of the device is 23232fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * portrait. The device is rotated 270 degrees clockwise, so the device 23242fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 270. Suppose a back-facing camera sensor is mounted in 23252fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * landscape and the top side of the camera sensor is aligned with the 23262fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the display in natural orientation. So the camera 23272fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 90. The rotation should be set to 0 (270 + 90). 23282fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 232969ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>The reference code is as follows. 23302fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 233169ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <pre> 23329a10bf0386ac9822e33a15820d8cd1fd8bdb5572Scott Main * public void onOrientationChanged(int orientation) { 23332fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * if (orientation == ORIENTATION_UNKNOWN) return; 23342fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.CameraInfo info = 23352fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * new android.hardware.Camera.CameraInfo(); 23362fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.getCameraInfo(cameraId, info); 23372fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation = (orientation + 45) / 90 * 90; 23382fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int rotation = 0; 23392fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == CameraInfo.CAMERA_FACING_FRONT) { 23402fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation - orientation + 360) % 360; 23412fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing camera 23422fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation + orientation) % 360; 23432fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 23442fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * mParameters.setRotation(rotation); 23452fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * } 234669ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * </pre> 23472fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 23482fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @param rotation The rotation angle in degrees relative to the 23492fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation of the camera. Rotation can only be 0, 23502fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 90, 180 or 270. 23519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @throws IllegalArgumentException if rotation value is invalid. 23529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @see android.view.OrientationEventListener 23532fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @see #getCameraInfo(int, CameraInfo) 23549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setRotation(int rotation) { 23569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (rotation == 0 || rotation == 90 || rotation == 180 23579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li || rotation == 270) { 23589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ROTATION, Integer.toString(rotation)); 23599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } else { 23609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 23619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid rotation=" + rotation); 23629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS latitude coordinate. This will be stored in JPEG EXIF 23679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 23689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param latitude GPS latitude coordinate. 23709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLatitude(double latitude) { 23729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LATITUDE, Double.toString(latitude)); 23739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS longitude coordinate. This will be stored in JPEG EXIF 23779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 23789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param longitude GPS longitude coordinate. 23809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLongitude(double longitude) { 23829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LONGITUDE, Double.toString(longitude)); 23839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS altitude. This will be stored in JPEG EXIF header. 23879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param altitude GPS altitude in meters. 23899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsAltitude(double altitude) { 23919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_ALTITUDE, Double.toString(altitude)); 23929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS timestamp. This will be stored in JPEG EXIF header. 23969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param timestamp GPS timestamp (UTC in seconds since January 1, 23989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1970). 23999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsTimestamp(long timestamp) { 24019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_TIMESTAMP, Long.toString(timestamp)); 24029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2405e208377fbab6b90f41e68699700942a81f4caaebRay Chen * Sets GPS processing method. It will store up to 32 characters 2406055c986ab841f8f758398841730f1e90313b132aRay Chen * in JPEG EXIF header. 2407055c986ab841f8f758398841730f1e90313b132aRay Chen * 2408055c986ab841f8f758398841730f1e90313b132aRay Chen * @param processing_method The processing method to get this location. 2409055c986ab841f8f758398841730f1e90313b132aRay Chen */ 2410055c986ab841f8f758398841730f1e90313b132aRay Chen public void setGpsProcessingMethod(String processing_method) { 2411055c986ab841f8f758398841730f1e90313b132aRay Chen set(KEY_GPS_PROCESSING_METHOD, processing_method); 2412055c986ab841f8f758398841730f1e90313b132aRay Chen } 2413055c986ab841f8f758398841730f1e90313b132aRay Chen 2414055c986ab841f8f758398841730f1e90313b132aRay Chen /** 24159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Removes GPS latitude, longitude, altitude, and timestamp from the 24169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * parameters. 24179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void removeGpsData() { 24199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LATITUDE); 24209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LONGITUDE); 24219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_ALTITUDE); 24229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_TIMESTAMP); 2423055c986ab841f8f758398841730f1e90313b132aRay Chen remove(KEY_GPS_PROCESSING_METHOD); 24249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current white balance setting. 24289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24293f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current white balance. null if white balance setting is not 24303f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 24313f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_AUTO 24323f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_INCANDESCENT 24333f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_FLUORESCENT 24343f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_WARM_FLUORESCENT 24353f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_DAYLIGHT 24363f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_CLOUDY_DAYLIGHT 24373f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_TWILIGHT 24383f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_SHADE 24393f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * 24409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getWhiteBalance() { 24429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_WHITE_BALANCE); 24439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 244616b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * Sets the white balance. Changing the setting will release the 244716b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * auto-white balance lock. 24489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24493f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new white balance. 24503f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 245116b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * @see #setAutoWhiteBalanceLock() 24529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setWhiteBalance(String value) { 24549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_WHITE_BALANCE, value); 245516b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala set(KEY_AUTO_WHITEBALANCE_LOCK, FALSE); 24569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported white balance. 24609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24613f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported white balance. null if white balance 24623f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 24633f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 24649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedWhiteBalance() { 24669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_WHITE_BALANCE + SUPPORTED_VALUES_SUFFIX); 24679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 24689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current color effect setting. 24729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24733f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current color effect. null if color effect 24749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 24753f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NONE 24763f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_MONO 24773f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NEGATIVE 24783f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SOLARIZE 24793f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SEPIA 24803f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_POSTERIZE 24813f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_WHITEBOARD 24823f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_BLACKBOARD 24833f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_AQUA 24849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getColorEffect() { 24869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_EFFECT); 24879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the current color effect setting. 24919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24923f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new color effect. 24933f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 24949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setColorEffect(String value) { 24969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_EFFECT, value); 24979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported color effects. 25019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25023f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported color effects. null if color effect 25039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 25043f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 25059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedColorEffects() { 25079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_EFFECT + SUPPORTED_VALUES_SUFFIX); 25089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 25099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current antibanding setting. 25149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25153f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current antibanding. null if antibanding setting is not 25163f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 25173f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_AUTO 25183f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_50HZ 25193f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_60HZ 25203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_OFF 25219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getAntibanding() { 25239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_ANTIBANDING); 25249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the antibanding. 25289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25293f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param antibanding new antibanding value. 25303f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 25319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setAntibanding(String antibanding) { 25339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ANTIBANDING, antibanding); 25349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported antibanding values. 25389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25393f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported antibanding values. null if antibanding 25403f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 25413f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 25429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedAntibanding() { 25449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_ANTIBANDING + SUPPORTED_VALUES_SUFFIX); 25459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 25469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current scene mode setting. 25509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return one of SCENE_MODE_XXX string constant. null if scene mode 25529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 25533f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_AUTO 25543f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_ACTION 25553f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PORTRAIT 25563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_LANDSCAPE 25573f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT 25583f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT_PORTRAIT 25593f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_THEATRE 25603f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_BEACH 25613f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SNOW 25623f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SUNSET 25633f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_STEADYPHOTO 25643f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_FIREWORKS 25653f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SPORTS 25663f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PARTY 25673f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_CANDLELIGHT 25689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getSceneMode() { 25709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_SCENE_MODE); 25719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2574c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Sets the scene mode. Changing scene mode may override other 2575c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * parameters (such as flash mode, focus mode, white balance). For 2576c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * example, suppose originally flash mode is on and supported flash 2577c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * modes are on/off. In night scene mode, both flash mode and supported 2578c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * flash mode may be changed to off. After setting scene mode, 25792988ab7c322aad7508df930204886f334216b65cWu-cheng Li * applications should call getParameters to know if some parameters are 25802988ab7c322aad7508df930204886f334216b65cWu-cheng Li * changed. 25819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25823f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value scene mode. 25833f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 25849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setSceneMode(String value) { 25869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_SCENE_MODE, value); 25879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported scene modes. 25919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25923f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported scene modes. null if scene mode setting 25933f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 25943f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 25959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedSceneModes() { 25979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_SCENE_MODE + SUPPORTED_VALUES_SUFFIX); 25989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 25999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current flash mode setting. 26039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26043f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current flash mode. null if flash mode setting is not 26053f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 26063f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_OFF 26073f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_AUTO 26083f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_ON 26093f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_RED_EYE 26103f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_TORCH 26119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getFlashMode() { 26139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_FLASH_MODE); 26149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the flash mode. 26189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26193f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value flash mode. 26203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 26219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setFlashMode(String value) { 26239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_FLASH_MODE, value); 26249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported flash modes. 26289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26293f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported flash modes. null if flash mode setting 26303f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 26313f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 26329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedFlashModes() { 26349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_FLASH_MODE + SUPPORTED_VALUES_SUFFIX); 26359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 26369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 263836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 263936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the current focus mode setting. 264036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 2641699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * @return current focus mode. This method will always return a non-null 2642699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * value. Applications should call {@link 2643699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus if focus 2644699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * mode is FOCUS_MODE_AUTO or FOCUS_MODE_MACRO. 26453f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_AUTO 26463f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_INFINITY 26473f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_MACRO 26483f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_FIXED 2649f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * @see #FOCUS_MODE_EDOF 2650d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_VIDEO 265136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 265236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public String getFocusMode() { 265336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return get(KEY_FOCUS_MODE); 265436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 265536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 265636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 265736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Sets the focus mode. 265836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 26593f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value focus mode. 26603f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 266136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 266236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public void setFocusMode(String value) { 266336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li set(KEY_FOCUS_MODE, value); 266436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 266536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 266636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 266736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the supported focus modes. 266836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 26693f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported focus modes. This method will always 26703f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 26713f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 267236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 267336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public List<String> getSupportedFocusModes() { 267436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li String str = get(KEY_FOCUS_MODE + SUPPORTED_VALUES_SUFFIX); 267536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return split(str); 267636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 267736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 267836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 26796c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the focal length (in millimeter) of the camera. 26806c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 26816c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return the focal length. This method will always return a valid 26826c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * value. 26836c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 26846c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getFocalLength() { 26856c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_FOCAL_LENGTH)); 26866c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 26876c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 26886c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 26896c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the horizontal angle of view in degrees. 26906c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 26916c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return horizontal angle of view. This method will always return a 26926c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 26936c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 26946c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getHorizontalViewAngle() { 26956c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_HORIZONTAL_VIEW_ANGLE)); 26966c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 26976c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 26986c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 26996c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the vertical angle of view in degrees. 27006c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 27016c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return vertical angle of view. This method will always return a 27026c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 27036c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 27046c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getVerticalViewAngle() { 27056c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_VERTICAL_VIEW_ANGLE)); 27066c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 27076c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 27086c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 270924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the current exposure compensation index. 2710ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 271124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return current exposure compensation index. The range is {@link 271224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMinExposureCompensation} to {@link 271324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation}. 0 means exposure is not 271424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * adjusted. 2715ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2716ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public int getExposureCompensation() { 271724b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_EXPOSURE_COMPENSATION, 0); 2718ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2719ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2720ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 272124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Sets the exposure compensation index. 2722ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 27230402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * @param value exposure compensation index. The valid value range is 27240402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * from {@link #getMinExposureCompensation} (inclusive) to {@link 272524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation} (inclusive). 0 means exposure is 272624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * not adjusted. Application should call 272724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * getMinExposureCompensation and getMaxExposureCompensation to 272824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * know if exposure compensation is supported. 2729ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2730ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public void setExposureCompensation(int value) { 2731ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li set(KEY_EXPOSURE_COMPENSATION, value); 2732ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2733ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2734ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 273524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the maximum exposure compensation index. 2736ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 273724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return maximum exposure compensation index (>=0). If both this 273824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMinExposureCompensation} return 0, 273924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 274024b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 274124b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMaxExposureCompensation() { 274224b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MAX_EXPOSURE_COMPENSATION, 0); 274324b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 274424b326a8978bf78e3e560723dde221792784325bWu-cheng Li 274524b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 274624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the minimum exposure compensation index. 274724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 274824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return minimum exposure compensation index (<=0). If both this 274924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMaxExposureCompensation} return 0, 275024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 2751ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 275224b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMinExposureCompensation() { 275324b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MIN_EXPOSURE_COMPENSATION, 0); 275424b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 275524b326a8978bf78e3e560723dde221792784325bWu-cheng Li 275624b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 275724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the exposure compensation step. 275824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 275924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return exposure compensation step. Applications can get EV by 276024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * multiplying the exposure compensation index and step. Ex: if 276124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation index is -6 and step is 0.333333333, EV 276224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * is -2. 276324b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 276424b326a8978bf78e3e560723dde221792784325bWu-cheng Li public float getExposureCompensationStep() { 276524b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getFloat(KEY_EXPOSURE_COMPENSATION_STEP, 0); 2766ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2767ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2768ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 2769d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Sets the auto-exposure lock state. Applications should check 2770d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #isAutoExposureLockSupported} before using this method.</p> 27713773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 2772d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If set to true, the camera auto-exposure routine will immediately 2773d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * pause until the lock is set to false. Exposure compensation settings 2774d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * changes will still take effect while auto-exposure is locked.</p> 2775d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2776d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If auto-exposure is already locked, setting this to true again has 2777d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * no effect (the driver will not recalculate exposure values).</p> 2778d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2779d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Stopping preview with {@link #stopPreview()}, or triggering still 2780d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * image capture with {@link #takePicture(Camera.ShutterCallback, 2781d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Camera.PictureCallback, Camera.PictureCallback)}, will automatically 2782d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * set the lock to false. However, the lock can be re-enabled before 2783d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * preview is re-started to keep the same AE parameters.</p> 2784d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2785d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Exposure compensation, in conjunction with re-enabling the AE and 2786d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * AWB locks after each still capture, can be used to capture an 2787d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * exposure-bracketed burst of images, for example.</p> 2788d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2789d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Auto-exposure state, including the lock state, will not be 27903773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * maintained after camera {@link #release()} is called. Locking 27913773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure after {@link #open()} but before the first call to 27923773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #startPreview()} will not allow the auto-exposure routine to 2793d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * run at all, and may result in severely over- or under-exposed 2794d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * images.</p> 27953773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 2796d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>The driver may also independently lock auto-exposure after 2797d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-focus completes. If this is undesirable, be sure to always set 2798d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * the auto-exposure lock to false after the 27993773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} callback is 28003773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * received. The {@link #getAutoExposureLock()} method can be used after 28013773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * the callback to determine if the camera has locked auto-exposure 2802d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * independently.</p> 28033773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 28043773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @param toggle new state of the auto-exposure lock. True means that 28053773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure is locked, false means that the auto-exposure 28063773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * routine is free to run normally. 28073773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 2808d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #getAutoExposureLock() 28093773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 28103773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public void setAutoExposureLock(boolean toggle) { 28113773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala set(KEY_AUTO_EXPOSURE_LOCK, toggle ? TRUE : FALSE); 28123773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 28133773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 28143773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 28153773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Gets the state of the auto-exposure lock. Applications should check 28163773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #isAutoExposureLockSupported} before using this method. See 28173773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #setAutoExposureLock} for details about the lock. 28183773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 28193773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @return State of the auto-exposure lock. Returns true if 28203773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure is currently locked, and false otherwise. The 28213773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure lock may be independently enabled by the camera 28223773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * subsystem when auto-focus has completed. This method can be 28233773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * used after the {@link AutoFocusCallback#onAutoFocus(boolean, 28243773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Camera)} callback to determine if the camera has locked AE. 28253773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 28263773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @see #setAutoExposureLock(boolean) 28273773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 28283773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 28293773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public boolean getAutoExposureLock() { 28303773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala String str = get(KEY_AUTO_EXPOSURE_LOCK); 28313773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala return TRUE.equals(str); 28323773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 28333773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 28343773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 28353773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Returns true if auto-exposure locking is supported. Applications 28363773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * should call this before trying to lock auto-exposure. See 28373773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #setAutoExposureLock} for details about the lock. 28383773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 28393773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @return true if auto-exposure lock is supported. 28403773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @see #setAutoExposureLock(boolean) 28413773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 28423773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 28433773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public boolean isAutoExposureLockSupported() { 28443773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala String str = get(KEY_AUTO_EXPOSURE_LOCK_SUPPORTED); 28453773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala return TRUE.equals(str); 28463773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 28473773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 28483773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 2849d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Sets the auto-white balance lock state. Applications should check 2850d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #isAutoWhiteBalanceLockSupported} before using this 2851d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * method.</p> 2852d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2853d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If set to true, the camera auto-white balance routine will 2854d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * immediately pause until the lock is set to false.</p> 2855d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2856d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If auto-white balance is already locked, setting this to true 2857d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * again has no effect (the driver will not recalculate white balance 2858d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * values).</p> 2859d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2860d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Stopping preview with {@link #stopPreview()}, or triggering still 2861d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * image capture with {@link #takePicture(Camera.ShutterCallback, 2862d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Camera.PictureCallback, Camera.PictureCallback)}, will automatically 2863d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * set the lock to false. However, the lock can be re-enabled before 2864d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * preview is re-started to keep the same white balance parameters.</p> 2865d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 286616b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * <p> Changing the white balance mode with {@link #setWhiteBalance} 286716b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * will release the auto-white balance lock if it is set.</p> 286816b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * 2869d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Exposure compensation, in conjunction with re-enabling the AE and 2870d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * AWB locks after each still capture, can be used to capture an 2871d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * exposure-bracketed burst of images, for example. Auto-white balance 2872d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * state, including the lock state, will not be maintained after camera 2873d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #release()} is called. Locking auto-white balance after 2874d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #open()} but before the first call to {@link #startPreview()} 2875d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * will not allow the auto-white balance routine to run at all, and may 2876d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * result in severely incorrect color in captured images.</p> 2877d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2878d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>The driver may also independently lock auto-white balance after 2879d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-focus completes. If this is undesirable, be sure to always set 2880d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * the auto-white balance lock to false after the 2881d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} callback is 2882d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * received. The {@link #getAutoWhiteBalanceLock()} method can be used 2883d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * after the callback to determine if the camera has locked auto-white 2884d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * balance independently.</p> 2885d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2886d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @param toggle new state of the auto-white balance lock. True means 2887d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * that auto-white balance is locked, false means that the 2888d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-white balance routine is free to run normally. 2889d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2890d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #getAutoWhiteBalanceLock() 289116b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * @see #setWhiteBalance(String) 2892d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 2893d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public void setAutoWhiteBalanceLock(boolean toggle) { 2894d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala set(KEY_AUTO_WHITEBALANCE_LOCK, toggle ? TRUE : FALSE); 2895d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 2896d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 2897d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 2898d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Gets the state of the auto-white balance lock. Applications should 2899d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * check {@link #isAutoWhiteBalanceLockSupported} before using this 2900d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * method. See {@link #setAutoWhiteBalanceLock} for details about the 2901d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * lock. 2902d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2903d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @return State of the auto-white balance lock. Returns true if 2904d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-white balance is currently locked, and false 2905d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * otherwise. The auto-white balance lock may be independently 2906d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * enabled by the camera subsystem when auto-focus has 2907d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * completed. This method can be used after the 2908d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} 2909d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * callback to determine if the camera has locked AWB. 2910d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2911d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 2912d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2913d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 2914d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public boolean getAutoWhiteBalanceLock() { 2915d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala String str = get(KEY_AUTO_WHITEBALANCE_LOCK); 2916d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala return TRUE.equals(str); 2917d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 2918d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 2919d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 2920d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Returns true if auto-white balance locking is supported. Applications 2921d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * should call this before trying to lock auto-white balance. See 2922d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #setAutoWhiteBalanceLock} for details about the lock. 2923d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2924d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @return true if auto-white balance lock is supported. 2925d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 2926d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2927d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 2928d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public boolean isAutoWhiteBalanceLockSupported() { 2929d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala String str = get(KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED); 2930d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala return TRUE.equals(str); 2931d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 2932d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 2933d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 293436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets current zoom value. This also works when smooth zoom is in 29358cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * progress. Applications should check {@link #isZoomSupported} before 29368cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * using this method. 293736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 293836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the current zoom value. The range is 0 to {@link 29398cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom}. 0 means the camera is not zoomed. 294036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 294136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getZoom() { 29428cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_ZOOM, 0); 294336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 294436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 294536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 29468cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Sets current zoom value. If the camera is zoomed (value > 0), the 29478cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * actual picture size may be smaller than picture size setting. 29488cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications can check the actual picture size after picture is 29498cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned from {@link PictureCallback}. The preview size remains the 29508cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * same in zoom. Applications should check {@link #isZoomSupported} 29518cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * before using this method. 295236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 295336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link #getMaxZoom}. 295436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 295536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public void setZoom(int value) { 29568cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li set(KEY_ZOOM, value); 295736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 295836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 295936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 296036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if zoom is supported. Applications should call this 296136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * before using other zoom methods. 296236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 296336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if zoom is supported. 296436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 296536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isZoomSupported() { 29668cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_ZOOM_SUPPORTED); 29678cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 296836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 296936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 297036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 297136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets the maximum zoom value allowed for snapshot. This is the maximum 297236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * value that applications can set to {@link #setZoom(int)}. 29738cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications should call {@link #isZoomSupported} before using this 29748cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * method. This value may change in different preview size. Applications 29758cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * should call this again after setting preview size. 297636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 297736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the maximum zoom value supported by the camera. 297836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 297936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getMaxZoom() { 29808cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_MAX_ZOOM, 0); 298136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 298236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 298336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 29848cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Gets the zoom ratios of all zoom values. Applications should check 29858cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * {@link #isZoomSupported} before using this method. 298636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 29878cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @return the zoom ratios in 1/100 increments. Ex: a zoom of 3.2x is 29888cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned as 320. The number of elements is {@link 29898cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom} + 1. The list is sorted from small to large. The 29908cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * first element is always 100. The last element is the zoom 29918cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * ratio of the maximum zoom value. 299236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 29938cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li public List<Integer> getZoomRatios() { 29948cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return splitInt(get(KEY_ZOOM_RATIOS)); 299536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 299636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 299736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 299836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if smooth zoom is supported. Applications should call 299936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this before using other smooth zoom methods. 300036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 300136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if smooth zoom is supported. 300236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 300336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isSmoothZoomSupported() { 30048cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_SMOOTH_ZOOM_SUPPORTED); 30058cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 300636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 300736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 3008e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 300932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the distances from the camera to where an object appears to be 3010e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * in focus. The object is sharpest at the optimal focus distance. The 301132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * depth of field is the far focus distance minus near focus distance.</p> 3012e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 301332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus distances may change after calling {@link 3014e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #autoFocus(AutoFocusCallback)}, {@link #cancelAutoFocus}, or {@link 3015e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #startPreview()}. Applications can call {@link #getParameters()} 3016e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * and this method anytime to get the latest focus distances. If the 3017d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * focus mode is FOCUS_MODE_CONTINUOUS_VIDEO, focus distances may change 301832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * from time to time.</p> 3019699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * 302032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>This method is intended to estimate the distance between the camera 3021699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * and the subject. After autofocus, the subject distance may be within 3022699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * near and far focus distance. However, the precision depends on the 3023699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * camera hardware, autofocus algorithm, the focus area, and the scene. 302432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * The error can be large and it should be only used as a reference.</p> 3025e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 302632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Far focus distance >= optimal focus distance >= near focus distance. 3027185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * If the focus distance is infinity, the value will be 302832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@code Float.POSITIVE_INFINITY}.</p> 3029e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 3030e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * @param output focus distances in meters. output must be a float 3031e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * array with three elements. Near focus distance, optimal focus 3032e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * distance, and far focus distance will be filled in the array. 3033185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_NEAR_INDEX 3034185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_OPTIMAL_INDEX 3035185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_FAR_INDEX 3036e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 3037e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public void getFocusDistances(float[] output) { 3038e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li if (output == null || output.length != 3) { 3039e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li throw new IllegalArgumentException( 3040e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li "output must be an float array with three elements."); 3041e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3042454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitFloat(get(KEY_FOCUS_DISTANCES), output); 3043e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3044e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 304530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 304630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Gets the maximum number of focus areas supported. This is the maximum 30477b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * length of the list in {@link #setFocusAreas(List)} and 30487b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * {@link #getFocusAreas()}. 304930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 305030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return the maximum number of focus areas supported by the camera. 305130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @see #getFocusAreas() 305230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 305330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public int getMaxNumFocusAreas() { 305430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return getInt(KEY_MAX_NUM_FOCUS_AREAS, 0); 305530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 305630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 305730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 305832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the current focus areas. Camera driver uses the areas to decide 305932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * focus.</p> 306030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 306132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Before using this API or {@link #setFocusAreas(List)}, apps should 30627b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * call {@link #getMaxNumFocusAreas()} to know the maximum number of 306332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * focus areas first. If the value is 0, focus area is not supported.</p> 306430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 306532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each focus area is a rectangle with specified weight. The direction 306630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * is relative to the sensor orientation, that is, what the sensor sees. 306730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * The direction is not affected by the rotation or mirroring of 306830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * {@link #setDisplayOrientation(int)}. Coordinates of the rectangle 306930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * range from -1000 to 1000. (-1000, -1000) is the upper left point. 3070bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * (1000, 1000) is the lower right point. The width and height of focus 307132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * areas cannot be 0 or negative.</p> 307230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 307332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000. The weight should be 30744e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * interpreted as a per-pixel weight - all pixels in the area have the 30754e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * specified weight. This means a small area with the same weight as a 30764e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * larger area will have less influence on the focusing than the larger 30774e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * area. Focus areas can partially overlap and the driver will add the 307832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * weights in the overlap region.</p> 307930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 308032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>A special case of a {@code null} focus area list means the driver is 308132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * free to select focus targets as it wants. For example, the driver may 308232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * use more signals to select focus areas and change them 308332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * dynamically. Apps can set the focus area list to {@code null} if they 308432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * want the driver to completely control focusing.</p> 308530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 308632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus areas are relative to the current field of view 308730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * ({@link #getZoom()}). No matter what the zoom level is, (-1000,-1000) 308830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * represents the top of the currently visible camera frame. The focus 308930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * area cannot be set to be outside the current field of view, even 309032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * when using zoom.</p> 309130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 309232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus area only has effect if the current focus mode is 309330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * {@link #FOCUS_MODE_AUTO}, {@link #FOCUS_MODE_MACRO}, or 309432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link #FOCUS_MODE_CONTINUOUS_VIDEO}.</p> 309530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 309630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return a list of current focus areas 309730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 309830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public List<Area> getFocusAreas() { 3099f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li return splitArea(get(KEY_FOCUS_AREAS)); 310030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 310130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 310230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 310330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Sets focus areas. See {@link #getFocusAreas()} for documentation. 310430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 31057b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * @param focusAreas the focus areas 310630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @see #getFocusAreas() 310730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 3108e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public void setFocusAreas(List<Area> focusAreas) { 3109e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li set(KEY_FOCUS_AREAS, focusAreas); 3110e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3111e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3112e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 3113e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * Gets the maximum number of metering areas supported. This is the 31147b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * maximum length of the list in {@link #setMeteringAreas(List)} and 31157b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * {@link #getMeteringAreas()}. 3116e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 3117e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @return the maximum number of metering areas supported by the camera. 3118e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @see #getMeteringAreas() 3119e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3120e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public int getMaxNumMeteringAreas() { 3121e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li return getInt(KEY_MAX_NUM_METERING_AREAS, 0); 3122e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3123e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3124e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 312532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the current metering areas. Camera driver uses these areas to 312632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * decide exposure.</p> 3127e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 312832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Before using this API or {@link #setMeteringAreas(List)}, apps should 31297b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * call {@link #getMaxNumMeteringAreas()} to know the maximum number of 31307b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * metering areas first. If the value is 0, metering area is not 313132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * supported.</p> 3132e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 313332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each metering area is a rectangle with specified weight. The 3134e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * direction is relative to the sensor orientation, that is, what the 3135e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * sensor sees. The direction is not affected by the rotation or 3136e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * mirroring of {@link #setDisplayOrientation(int)}. Coordinates of the 3137e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * rectangle range from -1000 to 1000. (-1000, -1000) is the upper left 3138bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * point. (1000, 1000) is the lower right point. The width and height of 313932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * metering areas cannot be 0 or negative.</p> 3140e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 314132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000, and represents a weight for 31424e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * every pixel in the area. This means that a large metering area with 31434e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * the same weight as a smaller area will have more effect in the 31444e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * metering result. Metering areas can partially overlap and the driver 314532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * will add the weights in the overlap region.</p> 3146e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 314732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>A special case of a {@code null} metering area list means the driver 314832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * is free to meter as it chooses. For example, the driver may use more 314932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * signals to select metering areas and change them dynamically. Apps 315032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * can set the metering area list to {@code null} if they want the 315132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * driver to completely control metering.</p> 3152e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 315332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Metering areas are relative to the current field of view 3154e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * ({@link #getZoom()}). No matter what the zoom level is, (-1000,-1000) 3155e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * represents the top of the currently visible camera frame. The 3156e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * metering area cannot be set to be outside the current field of view, 315732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * even when using zoom.</p> 3158e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 315932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>No matter what metering areas are, the final exposure are compensated 316032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * by {@link #setExposureCompensation(int)}.</p> 3161e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 3162e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @return a list of current metering areas 3163e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3164e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public List<Area> getMeteringAreas() { 3165d8aab93f96a6357dedc791ccdea92412fb423d15Wu-cheng Li return splitArea(get(KEY_METERING_AREAS)); 3166e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3167e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3168e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 3169e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * Sets metering areas. See {@link #getMeteringAreas()} for 3170e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * documentation. 3171e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 31727b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * @param meteringAreas the metering areas 3173e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @see #getMeteringAreas() 3174e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3175e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public void setMeteringAreas(List<Area> meteringAreas) { 3176e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li set(KEY_METERING_AREAS, meteringAreas); 317730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 317830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 31794c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 31804c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Gets the maximum number of detected faces supported. This is the 31814c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * maximum length of the list returned from {@link FaceDetectionListener}. 31824c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * If the return value is 0, face detection of the specified type is not 31834c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * supported. 31844c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 31854c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @return the maximum number of detected face supported by the camera. 31864c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #startFaceDetection(int) 31874c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 3188c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li public int getMaxNumDetectedFaces() { 3189c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li return getInt(KEY_MAX_NUM_DETECTED_FACES_HW, 0); 31904c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 31914c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 319225d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li /** 31939c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * Sets recording mode hint. This tells the camera that the intent of 31949c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * the application is to record videos {@link 31959c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * android.media.MediaRecorder#start()}, not to take still pictures 31969c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * {@link #takePicture(Camera.ShutterCallback, Camera.PictureCallback, 31979c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}. Using this hint can 31989c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * allow MediaRecorder.start() to start faster or with fewer glitches on 31999c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * output. This should be called before starting preview for the best 32009c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * result, but can be changed while the preview is active. The default 32019c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * value is false. 32029c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * 32039c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * The app can still call takePicture() when the hint is true or call 32049c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * MediaRecorder.start() when the hint is false. But the performance may 32059c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * be worse. 32069c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * 32079c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * @param hint true if the apps intend to record videos using 320825d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li * {@link android.media.MediaRecorder}. 320925d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li */ 321025d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li public void setRecordingHint(boolean hint) { 321125d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li set(KEY_RECORDING_HINT, hint ? TRUE : FALSE); 321225d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li } 321325d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li 321498bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li /** 321598bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Returns true if video snapshot is supported. That is, applications 321698bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * can call {@link #takePicture(Camera.ShutterCallback, 321798bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)} 321898bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * during recording. Applications do not need to call {@link 321998bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #startPreview()} after taking a picture. The preview will be still 322098bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * active. Other than that, taking a picture during recording is 322198bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * identical to taking a picture normally. All settings and methods 322298bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * related to takePicture work identically. Ex: {@link 322398bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #getPictureSize()}, {@link #getSupportedPictureSizes()}, {@link 322498bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #setJpegQuality(int)}, {@link #setRotation(int)}, and etc. The 322598bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * picture will have an EXIF header. {@link #FLASH_MODE_AUTO} and {@link 322698bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #FLASH_MODE_ON} also still work, but the video will record the flash. 322798bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * 322898bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Applications can set shutter callback as null to avoid the shutter 322998bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * sound. It is also recommended to set raw picture and post view 323098bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * callbacks to null to avoid the interrupt of preview display. 323198bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * 323298bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Field-of-view of the recorded video may be different from that of the 323398bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * captured pictures. 323498bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * 323598bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * @return true if video snapshot is supported. 323698bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * @hide 323798bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li */ 323898bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li public boolean isVideoSnapshotSupported() { 323998bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li String str = get(KEY_VIDEO_SNAPSHOT_SUPPORTED); 324098bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li return TRUE.equals(str); 324198bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li } 324298bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li 32439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of String. 32449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 32459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<String> split(String str) { 32469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 32479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 32489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Use StringTokenizer because it is faster than split. 32499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 32509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<String> substrings = new ArrayList<String>(); 32519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 32529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(tokenizer.nextToken()); 32539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 32549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 32559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 32569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 32579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Integer. 32589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 32599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Integer> splitInt(String str) { 32609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 32619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 32629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 32639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Integer> substrings = new ArrayList<Integer>(); 32649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 32659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String token = tokenizer.nextToken(); 32669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(Integer.parseInt(token)); 32679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 32689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (substrings.size() == 0) return null; 32699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 32709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 32719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3272454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitInt(String str, int[] output) { 3273454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 3274454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3275454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 3276454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 3277454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li while (tokenizer.hasMoreElements()) { 3278454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String token = tokenizer.nextToken(); 3279454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Integer.parseInt(token); 3280454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3281454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3282454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3283e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Splits a comma delimited string to an ArrayList of Float. 3284454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitFloat(String str, float[] output) { 3285454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 3286e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 3287e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 3288454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 3289e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li while (tokenizer.hasMoreElements()) { 3290e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li String token = tokenizer.nextToken(); 3291454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Float.parseFloat(token); 3292e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3293e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3294e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 329524b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a float parameter. 329624b326a8978bf78e3e560723dde221792784325bWu-cheng Li private float getFloat(String key, float defaultValue) { 329724b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 329824b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Float.parseFloat(mMap.get(key)); 329924b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 330024b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 330124b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 330224b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 330324b326a8978bf78e3e560723dde221792784325bWu-cheng Li 330424b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a integer parameter. 330524b326a8978bf78e3e560723dde221792784325bWu-cheng Li private int getInt(String key, int defaultValue) { 330624b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 330724b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Integer.parseInt(mMap.get(key)); 330824b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 330924b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 331024b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 331124b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 331224b326a8978bf78e3e560723dde221792784325bWu-cheng Li 33139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Size. 33149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 33159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Size> splitSize(String str) { 33169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 33179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 33189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 33199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Size> sizeList = new ArrayList<Size>(); 33209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 33219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Size size = strToSize(tokenizer.nextToken()); 33229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (size != null) sizeList.add(size); 33239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 33249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (sizeList.size() == 0) return null; 33259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return sizeList; 33269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 33279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 33289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parses a string (ex: "480x320") to Size object. 33299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null. 33309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private Size strToSize(String str) { 33319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 33329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 33339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li int pos = str.indexOf('x'); 33349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (pos != -1) { 33359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String width = str.substring(0, pos); 33369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String height = str.substring(pos + 1); 33379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(Integer.parseInt(width), 33389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Integer.parseInt(height)); 33399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 33409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Log.e(TAG, "Invalid size parameter string=" + str); 33419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return null; 33429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 3343454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3344454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Splits a comma delimited string to an ArrayList of int array. 3345454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Example string: "(10000,26623),(10000,30000)". Return null if the 3346454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // passing string is null or the size is 0. 3347454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private ArrayList<int[]> splitRange(String str) { 3348454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null || str.charAt(0) != '(' 3349454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li || str.charAt(str.length() - 1) != ')') { 3350454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li Log.e(TAG, "Invalid range list string=" + str); 3351454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return null; 3352454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3353454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3354454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li ArrayList<int[]> rangeList = new ArrayList<int[]>(); 3355454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int endIndex, fromIndex = 1; 3356454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li do { 3357454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int[] range = new int[2]; 3358454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li endIndex = str.indexOf("),(", fromIndex); 3359454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 3360454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(str.substring(fromIndex, endIndex), range); 3361454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li rangeList.add(range); 3362454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li fromIndex = endIndex + 3; 3363454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } while (endIndex != str.length() - 1); 3364454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3365454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (rangeList.size() == 0) return null; 3366454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return rangeList; 3367454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 336830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 336930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li // Splits a comma delimited string to an ArrayList of Area objects. 337030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li // Example string: "(-10,-10,0,0,300),(0,0,10,10,700)". Return null if 3371f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li // the passing string is null or the size is 0 or (0,0,0,0,0). 337230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private ArrayList<Area> splitArea(String str) { 337330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (str == null || str.charAt(0) != '(' 337430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li || str.charAt(str.length() - 1) != ')') { 337530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Log.e(TAG, "Invalid area string=" + str); 337630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return null; 337730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 337830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 337930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li ArrayList<Area> result = new ArrayList<Area>(); 338030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li int endIndex, fromIndex = 1; 338130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li int[] array = new int[5]; 338230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li do { 338330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li endIndex = str.indexOf("),(", fromIndex); 338430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 338530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li splitInt(str.substring(fromIndex, endIndex), array); 338630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Rect rect = new Rect(array[0], array[1], array[2], array[3]); 338730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li result.add(new Area(rect, array[4])); 338830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li fromIndex = endIndex + 3; 338930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } while (endIndex != str.length() - 1); 339030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 339130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (result.size() == 0) return null; 3392f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li 3393f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (result.size() == 1) { 3394bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li Area area = result.get(0); 3395f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Rect rect = area.rect; 3396f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (rect.left == 0 && rect.top == 0 && rect.right == 0 3397f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li && rect.bottom == 0 && area.weight == 0) { 3398f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li return null; 3399f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 3400f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 3401f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li 340230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return result; 340330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 34049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 34059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3406