Camera.java revision facc8ce116bd92f7ba7e8ecb76cbda3953260ef9
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 19a696f5d667227365da732481770767dcb330dd23Mathias Agopianimport android.graphics.ImageFormat; 2030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Liimport android.graphics.Rect; 21fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennisimport android.graphics.SurfaceTexture; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Looper; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Message; 25bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport android.util.Log; 26bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport android.view.Surface; 27bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport android.view.SurfaceHolder; 28bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li 29bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.io.IOException; 30bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.lang.ref.WeakReference; 31bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.util.ArrayList; 32bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.util.HashMap; 33bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.util.List; 34bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.util.StringTokenizer; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 37bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The Camera class is used to set image capture settings, start/stop preview, 38bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * snap pictures, and retrieve frames for encoding for video. This class is a 39bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * client for the Camera service, which manages the actual camera hardware. 40df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * 41bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To access the device camera, you must declare the 427478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * {@link android.Manifest.permission#CAMERA} permission in your Android 43df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * Manifest. Also be sure to include the 44df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 45bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * manifest element to declare camera features used by your application. 467478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * For example, if you use the camera and auto-focus feature, your Manifest 47df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * should include the following:</p> 48df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <pre> <uses-permission android:name="android.permission.CAMERA" /> 49df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <uses-feature android:name="android.hardware.camera" /> 50df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <uses-feature android:name="android.hardware.camera.autofocus" /></pre> 51df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * 52bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To take pictures with this class, use the following steps:</p> 53bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 54bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <ol> 55341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * <li>Obtain an instance of Camera from {@link #open(int)}. 56bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 57bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Get existing (default) settings with {@link #getParameters()}. 58bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 59bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If necessary, modify the returned {@link Camera.Parameters} object and call 60bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setParameters(Camera.Parameters)}. 61bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 62bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If desired, call {@link #setDisplayOrientation(int)}. 63bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 64bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important</b>: Pass a fully initialized {@link SurfaceHolder} to 65bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewDisplay(SurfaceHolder)}. Without a surface, the camera 66bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * will be unable to start the preview. 67bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 68bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important</b>: Call {@link #startPreview()} to start updating the 69bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * preview surface. Preview must be started before you can take a picture. 70bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 71bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>When you want, call {@link #takePicture(Camera.ShutterCallback, 72bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)} to 73bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * capture a photo. Wait for the callbacks to provide the actual image data. 74bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 75bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>After taking a picture, preview display will have stopped. To take more 76bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * photos, call {@link #startPreview()} again first. 77bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 78bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #stopPreview()} to stop updating the preview surface. 79bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 80bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important:</b> Call {@link #release()} to release the camera for 81bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * use by other applications. Applications should release the camera 82bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * immediately in {@link android.app.Activity#onPause()} (and re-{@link #open()} 83bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * it in {@link android.app.Activity#onResume()}). 84bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * </ol> 85bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 86bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To quickly switch to video recording mode, use these steps:</p> 87bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 88bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <ol> 89bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Obtain and initialize a Camera and start preview as described above. 90bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 91bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #unlock()} to allow the media process to access the camera. 92bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 93bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Pass the camera to {@link android.media.MediaRecorder#setCamera(Camera)}. 94bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * See {@link android.media.MediaRecorder} information about video recording. 95bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 96bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>When finished recording, call {@link #reconnect()} to re-acquire 97bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * and re-lock the camera. 98bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 99bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If desired, restart preview and take more photos or videos. 100bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 101bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #stopPreview()} and {@link #release()} as described above. 102bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * </ol> 103bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 104bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This class is not thread-safe, and is meant for use from one event thread. 105bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Most long-running operations (preview, focus, photo capture, etc) happen 106bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * asynchronously and invoke callbacks as necessary. Callbacks will be invoked 107341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * on the event thread {@link #open(int)} was called from. This class's methods 108bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * must never be called from multiple threads at once.</p> 109bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 110df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <p class="caution"><strong>Caution:</strong> Different Android-powered devices 111df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * may have different hardware specifications, such as megapixel ratings and 112df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * auto-focus capabilities. In order for your application to be compatible with 1137478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * more devices, you should not make assumptions about the device camera 114df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * specifications.</p> 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class Camera { 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String TAG = "Camera"; 1189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 119d2c2929c94bec68741b85f4174e11307fb65157fWu-cheng Li // These match the enums in frameworks/base/include/camera/Camera.h 120da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_ERROR = 0x001; 121da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_SHUTTER = 0x002; 122da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_FOCUS = 0x004; 123da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_ZOOM = 0x008; 124da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_PREVIEW_FRAME = 0x010; 125da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_VIDEO_FRAME = 0x020; 126da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_POSTVIEW_FRAME = 0x040; 127da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_RAW_IMAGE = 0x080; 128da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_COMPRESSED_IMAGE = 0x100; 129da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_ALL_MSGS = 0x1FF; 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mNativeContext; // accessed by native methods 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private EventHandler mEventHandler; 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ShutterCallback mShutterCallback; 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PictureCallback mRawImageCallback; 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PictureCallback mJpegCallback; 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PreviewCallback mPreviewCallback; 137e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks private PictureCallback mPostviewCallback; 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private AutoFocusCallback mAutoFocusCallback; 1393f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li private OnZoomChangeListener mZoomListener; 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ErrorCallback mErrorCallback; 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mOneShot; 14294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp private boolean mWithBuffer; 1439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 145341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Returns the number of physical cameras available on this device. 146e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang */ 147e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang public native static int getNumberOfCameras(); 148e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang 149e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang /** 150341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Returns the information about a particular camera. 151b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * If {@link #getNumberOfCameras()} returns N, the valid id is 0 to N-1. 152b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 153b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public native static void getCameraInfo(int cameraId, CameraInfo cameraInfo); 154b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 155b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 156b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * Information about a camera 157b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 158b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static class CameraInfo { 1597836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li /** 1607836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * The facing of the camera is opposite to that of the screen. 1617836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li */ 162b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static final int CAMERA_FACING_BACK = 0; 1637836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li 1647836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li /** 1657836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * The facing of the camera is the same as that of the screen. 1667836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li */ 167b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static final int CAMERA_FACING_FRONT = 1; 168b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 169b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 170b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * The direction that the camera faces to. It should be 171b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * CAMERA_FACING_BACK or CAMERA_FACING_FRONT. 172b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 1737836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li public int facing; 174b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 175b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 17632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The orientation of the camera image. The value is the angle that the 177b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * camera image needs to be rotated clockwise so it shows correctly on 17832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the display in its natural orientation. It should be 0, 90, 180, or 270.</p> 179b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 18032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>For example, suppose a device has a naturally tall screen. The 1812fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * back-facing camera sensor is mounted in landscape. You are looking at 1822fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the screen. If the top side of the camera sensor is aligned with the 1832fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the screen in natural orientation, the value should be 1842fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * 90. If the top side of a front-facing camera sensor is aligned with 18532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the right of the screen, the value should be 270.</p> 186b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 187b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * @see #setDisplayOrientation(int) 18869ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setRotation(int) 18969ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setPreviewSize(int, int) 19069ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setPictureSize(int, int) 19169ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setJpegThumbnailSize(int, int) 192b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 1937836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li public int orientation; 194b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang }; 195b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 196b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 197341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Creates a new Camera object to access a particular hardware camera. 198bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 199bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>You must call {@link #release()} when you are done using the camera, 200bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * otherwise it will remain locked and be unavailable to other applications. 201bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 202341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * <p>Your application should only have one Camera object active at a time 203341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * for a particular hardware camera. 204bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 205bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callbacks from other methods are delivered to the event loop of the 206bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * thread which called open(). If this thread has no event loop, then 207bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callbacks are delivered to the main application event loop. If there 208bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is no main application event loop, callbacks are not delivered. 209bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 210bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p class="caution"><b>Caution:</b> On some devices, this method may 211bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * take a long time to complete. It is best to call this method from a 212bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * worker thread (possibly using {@link android.os.AsyncTask}) to avoid 213bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * blocking the main application UI thread. 214bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 215341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * @param cameraId the hardware camera to access, between 0 and 216a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * {@link #getNumberOfCameras()}-1. 217bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @return a new Camera object, connected, locked and ready for use. 218bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if connection to the camera service fails (for 219facc8ce116bd92f7ba7e8ecb76cbda3953260ef9Wu-cheng Li * example, if the camera is in use by another process or device policy 220facc8ce116bd92f7ba7e8ecb76cbda3953260ef9Wu-cheng Li * manager has disabled the camera). 221facc8ce116bd92f7ba7e8ecb76cbda3953260ef9Wu-cheng Li * @see android.app.admin.DevicePolicyManager#getCameraDisabled(android.content.ComponentName) 222e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang */ 223e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang public static Camera open(int cameraId) { 224e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang return new Camera(cameraId); 225e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang } 226e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang 227e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang /** 228a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * Creates a new Camera object to access the first back-facing camera on the 229a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * device. If the device does not have a back-facing camera, this returns 230a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * null. 2317836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * @see #open(int) 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static Camera open() { 234a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li int numberOfCameras = getNumberOfCameras(); 235a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li CameraInfo cameraInfo = new CameraInfo(); 236a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li for (int i = 0; i < numberOfCameras; i++) { 237a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li getCameraInfo(i, cameraInfo); 238a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li if (cameraInfo.facing == CameraInfo.CAMERA_FACING_BACK) { 239a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li return new Camera(i); 240a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li } 241a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li } 242a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li return null; 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 245e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang Camera(int cameraId) { 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = null; 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = null; 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = null; 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 250e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = null; 2513f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = null; 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Looper looper; 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((looper = Looper.myLooper()) != null) { 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((looper = Looper.getMainLooper()) != null) { 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = null; 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 262e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang native_setup(new WeakReference<Camera>(this), cameraId); 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 2659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li protected void finalize() { 2669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li native_release(); 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 269e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang private native final void native_setup(Object camera_this, int cameraId); 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_release(); 2719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Disconnects and releases the Camera object resources. 275bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 276bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>You must call this as soon as you're done with the Camera object.</p> 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public final void release() { 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_release(); 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 283bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unlocks the camera to allow another process to access it. 284bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Normally, the camera is locked to the process with an active Camera 285bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * object until {@link #release()} is called. To allow rapid handoff 286bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * between processes, you can call this method to release the camera 287bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * temporarily for another process to use; once the other process is done 288bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * you can call {@link #reconnect()} to reclaim the camera. 289bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 290bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This must be done before calling 291bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.media.MediaRecorder#setCamera(Camera)}. 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 293bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 295bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if the camera cannot be unlocked. 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 297bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor public native final void unlock(); 2989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 300bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Re-locks the camera to prevent other processes from accessing it. 301bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera objects are locked by default unless {@link #unlock()} is 302bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called. Normally {@link #reconnect()} is used instead. 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 304bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 305bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 306bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if the camera cannot be re-locked (for 307bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is still in use by another process). 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 309ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li public native final void lock(); 3109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 312bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Reconnects to the camera service after another process used it. 313bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * After {@link #unlock()} is called, another process may use the 314bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera; when the process is done, you must reconnect to the camera, 315bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * which will re-acquire the lock and allow you to continue using the 316bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera. 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 318bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This must be done after {@link android.media.MediaRecorder} is 319bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * done recording if {@link android.media.MediaRecorder#setCamera(Camera)} 320bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * was used. 321bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 322bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 323bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 324bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws IOException if a connection cannot be re-established (for 325bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is still in use by another process). 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 327bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor public native final void reconnect() throws IOException; 3289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 330bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Sets the {@link Surface} to be used for live preview. 331fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Either a surface or surface texture is necessary for preview, and 332fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview is necessary to take pictures. The same surface can be re-set 333fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * without harm. Setting a preview surface will un-set any preview surface 334fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture that was set via {@link #setPreviewTexture}. 3359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 336bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The {@link SurfaceHolder} must already contain a surface when this 337bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method is called. If you are using {@link android.view.SurfaceView}, 338bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * you will need to register a {@link SurfaceHolder.Callback} with 339bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link SurfaceHolder#addCallback(SurfaceHolder.Callback)} and wait for 340bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link SurfaceHolder.Callback#surfaceCreated(SurfaceHolder)} before 341bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling setPreviewDisplay() or starting preview. 342bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 343bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method must be called before {@link #startPreview()}. The 344bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * one exception is that if the preview surface is not set (or set to null) 345bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * before startPreview() is called, then this method may be called once 346bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * with a non-null parameter to set the preview surface. (This allows 347bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera setup and surface creation to happen in parallel, saving time.) 348bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The preview surface may not otherwise change while preview is running. 3499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 350bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param holder containing the Surface on which to place the preview, 351bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to remove the preview surface 352bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws IOException if the method fails (for example, if the surface 353bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is unavailable or unsuitable). 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewDisplay(SurfaceHolder holder) throws IOException { 356b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li if (holder != null) { 357b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li setPreviewDisplay(holder.getSurface()); 358b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } else { 359b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li setPreviewDisplay((Surface)null); 360b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 363dbc289d6c27968bd05cc547ca73579347c3adc99Glenn Kasten private native final void setPreviewDisplay(Surface surface) throws IOException; 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 366fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Sets the {@link SurfaceTexture} to be used for live preview. 367fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Either a surface or surface texture is necessary for preview, and 368fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview is necessary to take pictures. The same surface texture can be 369fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * re-set without harm. Setting a preview surface texture will un-set any 370fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview surface that was set via {@link #setPreviewDisplay}. 371fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * 372fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * <p>This method must be called before {@link #startPreview()}. The 373fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * one exception is that if the preview surface texture is not set (or set 374fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * to null) before startPreview() is called, then this method may be called 375fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * once with a non-null parameter to set the preview surface. (This allows 376fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * camera setup and surface creation to happen in parallel, saving time.) 377fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * The preview surface texture may not otherwise change while preview is 378fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * running. 379fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * 38032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The timestamps provided by {@link SurfaceTexture#getTimestamp()} for a 381e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * SurfaceTexture set as the preview texture have an unspecified zero point, 382e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * and cannot be directly compared between different cameras or different 383e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * instances of the same camera, or across multiple runs of the same 384e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * program. 385e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * 386fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * @param surfaceTexture the {@link SurfaceTexture} to which the preview 387fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * images are to be sent or null to remove the current preview surface 388fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture 389fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * @throws IOException if the method fails (for example, if the surface 390fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture is unavailable or unsuitable). 391fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis */ 392dbc289d6c27968bd05cc547ca73579347c3adc99Glenn Kasten public native final void setPreviewTexture(SurfaceTexture surfaceTexture) throws IOException; 393fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis 394fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis /** 395bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to deliver copies of preview frames as 396bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * they are displayed. 397bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 398bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallback(Camera.PreviewCallback) 399bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setOneShotPreviewCallback(Camera.PreviewCallback) 400bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 401bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startPreview() 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PreviewCallback 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 406bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as preview frames are displayed. This callback is invoked 407341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * on the event thread {@link #open(int)} was called from. 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 409bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param data the contents of the preview frame in the format defined 410a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by {@link android.graphics.ImageFormat}, which can be queried 411df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * with {@link android.hardware.Camera.Parameters#getPreviewFormat()}. 412da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * If {@link android.hardware.Camera.Parameters#setPreviewFormat(int)} 4139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * is never called, the default will be the YCbCr_420_SP 4149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * (NV21) format. 415bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param camera the Camera service object. 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPreviewFrame(byte[] data, Camera camera); 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 4199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 421bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts capturing and drawing preview frames to the screen. 422c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * Preview will not actually start until a surface is supplied 423c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * with {@link #setPreviewDisplay(SurfaceHolder)} or 424c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * {@link #setPreviewTexture(SurfaceTexture)}. 425bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 426bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If {@link #setPreviewCallback(Camera.PreviewCallback)}, 427bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(Camera.PreviewCallback)}, or 428bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallbackWithBuffer(Camera.PreviewCallback)} were 429bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called, {@link Camera.PreviewCallback#onPreviewFrame(byte[], Camera)} 430bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * will be called when preview data becomes available. 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final void startPreview(); 4339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 435bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops capturing and drawing preview frames to the surface, and 436bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * resets the camera for a future call to {@link #startPreview()}. 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final void stopPreview(); 4399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return current preview state. 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * FIXME: Unhide before release 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final boolean previewEnabled(); 4479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 449bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for every preview frame in addition 450bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to displaying them on the screen. The callback will be repeatedly called 451bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * for as long as preview is active. This method can be called at any time, 452bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * even while preview is live. Any other preview callbacks are overridden. 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 454bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of each preview frame, 455bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewCallback(PreviewCallback cb) { 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = cb; 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOneShot = false; 46094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 461a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Always use one-shot mode. We fake camera preview mode by 462a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // doing one-shot preview continuously. 46394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 467bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for the next preview frame in addition 468bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to displaying it on the screen. After one invocation, the callback is 469bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * cleared. This method can be called any time, even when preview is live. 470bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Any other preview callbacks are overridden. 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 472bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the next preview frame, 473bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setOneShotPreviewCallback(PreviewCallback cb) { 47694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 47794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = true; 47894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 47994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 48094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 48194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 48294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp private native final void setHasPreviewCallback(boolean installed, boolean manualBuffer); 48394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 48494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 485bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for every preview frame, using buffers 486bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * supplied with {@link #addCallbackBuffer(byte[])}, in addition to 487bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * displaying them on the screen. The callback will be repeatedly called 488bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * for as long as preview is active and buffers are available. 489bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Any other preview callbacks are overridden. 49094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 491bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The purpose of this method is to improve preview efficiency and frame 492bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * rate by allowing preview frame memory reuse. You must call 493bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #addCallbackBuffer(byte[])} at some point -- before or after 494bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling this method -- or no callbacks will received. 49594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 496bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The buffer queue will be cleared if this method is called with a null 497bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callback, {@link #setPreviewCallback(Camera.PreviewCallback)} is called, 498bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or {@link #setOneShotPreviewCallback(Camera.PreviewCallback)} is called. 49994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 500bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the preview frame, 501bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks and clear the buffer queue. 502bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #addCallbackBuffer(byte[]) 50394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 50494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp public final void setPreviewCallbackWithBuffer(PreviewCallback cb) { 50594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 50694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = false; 50794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = true; 50894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, true); 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 51194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 5123f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Adds a pre-allocated buffer to the preview callback buffer queue. 5133f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Applications can add one or more buffers to the queue. When a preview 514bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * frame arrives and there is still at least one available buffer, the 515bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * buffer will be used and removed from the queue. Then preview callback is 516bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * invoked with the buffer. If a frame arrives and there is no buffer left, 517bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the frame is discarded. Applications should add buffers back when they 518bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * finish processing the data in them. 519c10275abd6a494c93a025f683dde104a5d4f2793Wu-cheng Li * 520bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The size of the buffer is determined by multiplying the preview 521e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * image width, height, and bytes per pixel. The width and height can be 522e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * read from {@link Camera.Parameters#getPreviewSize()}. Bytes per pixel 523bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * can be computed from 524bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 8, 525bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * using the image format from {@link Camera.Parameters#getPreviewFormat()}. 52694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 527bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only necessary when 528e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link #setPreviewCallbackWithBuffer(PreviewCallback)} is used. When 529bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallback(PreviewCallback)} or 530bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(PreviewCallback)} are used, buffers 531e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * are automatically allocated. When a supplied buffer is too small to 532e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * hold the preview frame data, preview callback will return null and 533e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * the buffer will be removed from the buffer queue. 53494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 535bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param callbackBuffer the buffer to add to the queue. 536bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The size should be width * height * bits_per_pixel / 8. 5375b9bcda3a26e9b1f9b1eff28a2be8853d69614f0Wu-cheng Li * @see #setPreviewCallbackWithBuffer(PreviewCallback) 53894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 539e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addCallbackBuffer(byte[] callbackBuffer) 540e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 541e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, CAMERA_MSG_PREVIEW_FRAME); 542e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 543e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 544e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong /** 545e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Adds a pre-allocated buffer to the raw image callback buffer queue. 546e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Applications can add one or more buffers to the queue. When a raw image 547e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * frame arrives and there is still at least one available buffer, the 548e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * buffer will be used to hold the raw image data and removed from the 549e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. Then raw image callback is invoked with the buffer. If a raw 550e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * image frame arrives but there is no buffer left, the frame is 551e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * discarded. Applications should add buffers back when they finish 552e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * processing the data in them by calling this method again in order 553e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * to avoid running out of raw image callback buffers. 554e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 555e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>The size of the buffer is determined by multiplying the raw image 556e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * width, height, and bytes per pixel. The width and height can be 557e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * read from {@link Camera.Parameters#getPictureSize()}. Bytes per pixel 558e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * can be computed from 559e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 8, 560e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * using the image format from {@link Camera.Parameters#getPreviewFormat()}. 561e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 562e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>This method is only necessary when the PictureCallbck for raw image 563e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * is used while calling {@link #takePicture(Camera.ShutterCallback, 564e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 565e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 56632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Please note that by calling this method, the mode for 56732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * application-managed callback buffers is triggered. If this method has 56832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * never been called, null will be returned by the raw image callback since 56932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * there is no image callback buffer available. Furthermore, When a supplied 57032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * buffer is too small to hold the raw image data, raw image callback will 57132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * return null and the buffer will be removed from the buffer queue. 572e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 573e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @param callbackBuffer the buffer to add to the raw image callback buffer 574e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. The size should be width * height * (bits per pixel) / 8. An 575e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * null callbackBuffer will be ignored and won't be added to the queue. 576e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 577e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @see #takePicture(Camera.ShutterCallback, 578e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 579e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 580e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@hide} 581e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong */ 582e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addRawImageCallbackBuffer(byte[] callbackBuffer) 583e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 584e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong addCallbackBuffer(callbackBuffer, CAMERA_MSG_RAW_IMAGE); 585e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 586e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 587e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private final void addCallbackBuffer(byte[] callbackBuffer, int msgType) 588e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 589e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // CAMERA_MSG_VIDEO_FRAME may be allowed in the future. 590e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (msgType != CAMERA_MSG_PREVIEW_FRAME && 591e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType != CAMERA_MSG_RAW_IMAGE) { 592e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong throw new IllegalArgumentException( 593e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong "Unsupported message type: " + msgType); 594e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 595e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 596e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, msgType); 597e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 598e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 599e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void _addCallbackBuffer( 600e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong byte[] callbackBuffer, int msgType); 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class EventHandler extends Handler 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Camera mCamera; 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public EventHandler(Camera c, Looper looper) { 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(looper); 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCamera = c; 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(msg.what) { 614c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_SHUTTER: 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mShutterCallback != null) { 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback.onShutter(); 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 619c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks 620c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_RAW_IMAGE: 621e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mRawImageCallback != null) { 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback.onPictureTaken((byte[])msg.obj, mCamera); 623e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 626c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_COMPRESSED_IMAGE: 627e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mJpegCallback != null) { 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback.onPictureTaken((byte[])msg.obj, mCamera); 629e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 632c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_PREVIEW_FRAME: 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreviewCallback != null) { 634a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks PreviewCallback cb = mPreviewCallback; 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOneShot) { 636a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Clear the callback variable before the callback 637a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // in case the app calls setPreviewCallback from 638a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the callback function 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 64094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } else if (!mWithBuffer) { 641a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // We're faking the camera preview mode to prevent 642a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the app from being flooded with preview frames. 643a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Set to oneshot mode again. 64494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(true, false); 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 646a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks cb.onPreviewFrame((byte[])msg.obj, mCamera); 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 650e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_POSTVIEW_FRAME: 651e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mPostviewCallback != null) { 652e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback.onPictureTaken((byte[])msg.obj, mCamera); 653e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 654e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 655e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 656c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_FOCUS: 657e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mAutoFocusCallback != null) { 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback.onAutoFocus(msg.arg1 == 0 ? false : true, mCamera); 659e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 660e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 661e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 662e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_ZOOM: 6633f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li if (mZoomListener != null) { 6643f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener.onZoomChange(msg.arg1, msg.arg2 != 0, mCamera); 665e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 668c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_ERROR : 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error " + msg.arg1); 670e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mErrorCallback != null) { 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback.onError(msg.arg1, mCamera); 672e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Unknown message type " + msg.what); 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object camera_ref, 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Camera c = (Camera)((WeakReference)camera_ref).get(); 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == null) 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c.mEventHandler != null) { 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Message m = c.mEventHandler.obtainMessage(what, arg1, arg2, obj); 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.mEventHandler.sendMessage(m); 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 696bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to notify on completion of camera auto focus. 697bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 6987478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * <p>Devices that do not support auto-focus will receive a "fake" 6997478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * callback to this interface. If your application needs auto-focus and 700df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * should not be installed on devices <em>without</em> auto-focus, you must 701df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * declare that your app uses the 7027478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * {@code android.hardware.camera.autofocus} feature, in the 703df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 704df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 705bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 706bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(AutoFocusCallback) 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface AutoFocusCallback 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 71169ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * Called when the camera auto focus completes. If the camera 71269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * does not support auto-focus and autoFocus is called, 71369ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * onAutoFocus will be called immediately with a fake value of 71469ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <code>success</code> set to <code>true</code>. 7159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param success true if focus was successful, false if otherwise 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onAutoFocus(boolean success, Camera camera); 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 723bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts camera auto-focus and registers a callback function to run when 724bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the camera is focused. This method is only valid when preview is active 725bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * (between {@link #startPreview()} and before {@link #stopPreview()}). 726bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 727bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callers should check 728bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.hardware.Camera.Parameters#getFocusMode()} to determine if 729bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this method should be called. If the camera does not support auto-focus, 730bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * it is a no-op and {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} 73136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * callback will be called immediately. 732bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 733da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If your application should not be installed 7347478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * on devices without auto-focus, you must declare that your application 7357478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * uses auto-focus with the 736df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 737df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 738bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 739068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * <p>If the current flash mode is not 740068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * {@link android.hardware.Camera.Parameters#FLASH_MODE_OFF}, flash may be 741bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * fired during auto-focus, depending on the driver and camera hardware.<p> 7427478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cb the callback to run 744bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #cancelAutoFocus() 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void autoFocus(AutoFocusCallback cb) 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback = cb; 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_autoFocus(); 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_autoFocus(); 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 754bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Cancels any auto-focus function in progress. 755bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Whether or not auto-focus is currently in progress, 756bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this function will return the focus position to the default. 757244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang * If the camera does not support auto-focus, this is a no-op. 758bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 759bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(Camera.AutoFocusCallback) 760244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang */ 761244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang public final void cancelAutoFocus() 762244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang { 763244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang mAutoFocusCallback = null; 764244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang native_cancelAutoFocus(); 765244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang } 766244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang private native final void native_cancelAutoFocus(); 767244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang 768244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang /** 769bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to signal the moment of actual image capture. 770bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 771bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ShutterCallback 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 776bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as near as possible to the moment when a photo is captured 777bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * from the sensor. This is a good opportunity to play a shutter sound 778bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or give other feedback of camera operation. This may be some time 779bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * after the photo was triggered, but some time before the actual data 780bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is available. 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onShutter(); 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 786bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to supply image data from a photo capture. 787bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 788bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PictureCallback { 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 792bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when image data is available after a picture is taken. 793bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The format of the data depends on the context of the callback 794bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * and {@link Camera.Parameters} settings. 7959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param data a byte array of the picture data 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPictureTaken(byte[] data, Camera camera); 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 803bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Equivalent to takePicture(shutter, raw, null, jpeg). 8049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 805bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void takePicture(ShutterCallback shutter, PictureCallback raw, 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PictureCallback jpeg) { 809e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks takePicture(shutter, raw, null, jpeg); 810e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 811e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void native_takePicture(int msgType); 812e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 813e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 8149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Triggers an asynchronous image capture. The camera service will initiate 8159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * a series of callbacks to the application as the image capture progresses. 8169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The shutter callback occurs after the image is captured. This can be used 8179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to trigger a sound to let the user know that image has been captured. The 8189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * raw callback occurs when the raw image data is available (NOTE: the data 819e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * will be null if there is no raw image callback buffer available or the 820e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * raw image callback buffer is not large enough to hold the raw image). 8219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The postview callback occurs when a scaled, fully processed postview 8229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * image is available (NOTE: not all hardware supports this). The jpeg 8239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * callback occurs when the compressed image is available. If the 8249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * application does not need a particular callback, a null can be passed 8259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * instead of a callback method. 826e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * 827bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only valid when preview is active (after 828bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #startPreview()}). Preview will be stopped after the image is 829bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * taken; callers must call {@link #startPreview()} again if they want to 830bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * re-start preview or take more pictures. 83140057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 832bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>After calling this method, you must not call {@link #startPreview()} 833bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or take another picture until the JPEG callback has returned. 83440057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 835bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param shutter the callback for image capture moment, or null 836bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param raw the callback for raw (uncompressed) image data, or null 837e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param postview callback with postview image data, may be null 838bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param jpeg the callback for JPEG image data, or null 839e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 840e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks public final void takePicture(ShutterCallback shutter, PictureCallback raw, 841e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks PictureCallback postview, PictureCallback jpeg) { 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = shutter; 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = raw; 844e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = postview; 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = jpeg; 846e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 847e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // If callback is not set, do not send me callbacks. 848e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong int msgType = 0; 849e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mShutterCallback != null) { 850e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_SHUTTER; 851e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 852e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mRawImageCallback != null) { 853e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_RAW_IMAGE; 854e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 855e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mPostviewCallback != null) { 856e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_POSTVIEW_FRAME; 857e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 858e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mJpegCallback != null) { 859e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_COMPRESSED_IMAGE; 860e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 861e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 862e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong native_takePicture(msgType); 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 865e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 866bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Zooms to the requested value smoothly. The driver will notify {@link 8673f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} of the zoom value and whether zoom is stopped at 8683f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * the time. For example, suppose the current zoom is 0 and startSmoothZoom 869bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with value 3. The 870bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.OnZoomChangeListener#onZoomChange(int, boolean, Camera)} 871bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method will be called three times with zoom values 1, 2, and 3. 872bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications can call {@link #stopSmoothZoom} to stop the zoom earlier. 873bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications should not call startSmoothZoom again or change the zoom 874bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * value before zoom stops. If the supplied zoom value equals to the current 875bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * zoom value, no zoom callback will be generated. This method is supported 876bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * if {@link android.hardware.Camera.Parameters#isSmoothZoomSupported} 877bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * returns true. 87836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 87936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link 88036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * android.hardware.Camera.Parameters#getMaxZoom}. 8810ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws IllegalArgumentException if the zoom value is invalid. 8820ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 883bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 88436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 88536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void startSmoothZoom(int value); 88636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 88736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 888bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops the smooth zoom. Applications should wait for the {@link 8893f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} to know when the zoom is actually stopped. This 8903f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * method is supported if {@link 8918cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * android.hardware.Camera.Parameters#isSmoothZoomSupported} is true. 8920ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * 8930ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 89436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 89536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void stopSmoothZoom(); 89636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 89736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 8982fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Set the clockwise rotation of preview display in degrees. This affects 8992fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the preview frames and the picture displayed after snapshot. This method 9002fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * is useful for portrait mode applications. Note that preview display of 901b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * front-facing cameras is flipped horizontally before the rotation, that 902b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * is, the image is reflected along the central vertical axis of the camera 903b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * sensor. So the users can see themselves as looking into a mirror. 904d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 90569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>This does not affect the order of byte array passed in {@link 9062fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * PreviewCallback#onPreviewFrame}, JPEG pictures, or recorded videos. This 9072fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * method is not allowed to be called during preview. 908d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 90969ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If you want to make the camera image show in the same orientation as 91069ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * the display, you can use the following code. 911b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * <pre> 912724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * public static void setCameraDisplayOrientation(Activity activity, 913724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int cameraId, android.hardware.Camera camera) { 914724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.CameraInfo info = 915724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * new android.hardware.Camera.CameraInfo(); 916724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.getCameraInfo(cameraId, info); 917724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int rotation = activity.getWindowManager().getDefaultDisplay() 918724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * .getRotation(); 919724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int degrees = 0; 920724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * switch (rotation) { 921724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_0: degrees = 0; break; 922724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_90: degrees = 90; break; 923724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_180: degrees = 180; break; 924724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_270: degrees = 270; break; 925724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 926b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 9272fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int result; 9282fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) { 9292fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation + degrees) % 360; 9302fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (360 - result) % 360; // compensate the mirror 9312fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing 9322fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation - degrees + 360) % 360; 9332fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 934724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * camera.setDisplayOrientation(result); 935724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 936b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * </pre> 937d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * @param degrees the angle that the picture will be rotated clockwise. 938e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * Valid values are 0, 90, 180, and 270. The starting 939e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * position is 0 (landscape). 9402fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * @see #setPreviewDisplay(SurfaceHolder) 941d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang */ 942d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang public native final void setDisplayOrientation(int degrees); 943d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang 944d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang /** 945bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for zoom changes during a smooth zoom operation. 946bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 947bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 948bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startSmoothZoom(int) 949e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 9503f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public interface OnZoomChangeListener 951e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 952e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 953bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when the zoom value has changed during a smooth zoom. 95436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 95536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param zoomValue the current zoom value. In smooth zoom mode, camera 9563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * calls this for every new zoom value. 95736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param stopped whether smooth zoom is stopped. If the value is true, 95836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this is the last zoom update for the application. 959e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param camera the Camera service object 960e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 9613f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li void onZoomChange(int zoomValue, boolean stopped, Camera camera); 962e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks }; 963e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 964e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 9653f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Registers a listener to be notified when the zoom value is updated by the 96636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * camera driver during smooth zoom. 9678cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * 9683f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param listener the listener to notify 9698cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @see #startSmoothZoom(int) 970e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 9713f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public final void setZoomChangeListener(OnZoomChangeListener listener) 972e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 9733f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = listener; 974e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 9759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 976bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor // Error codes match the enum in include/ui/Camera.h 977bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 978bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 979bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unspecified camera error. 980bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 981bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_UNKNOWN = 1; 983bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 984bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 985bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Media server died. In this case, the application must release the 986bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera object and instantiate a new one. 987bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 988bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_SERVER_DIED = 100; 9909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 992bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for camera error notification. 993bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 994bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setErrorCallback(ErrorCallback) 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ErrorCallback 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback for camera errors. 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param error error code: 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_UNKNOWN} 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_SERVER_DIED} 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onError(int error, Camera camera); 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Registers a callback to be invoked when an error occurs. 1012bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb The callback to run 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setErrorCallback(ErrorCallback cb) 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback = cb; 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_setParameters(String params); 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final String native_getParameters(); 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1023bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Changes the settings for this Camera service. 10249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the Parameters to use for this Camera service 102699a3f3e4e06b4370101ca97cc11dbe81d772fefaWu-cheng Li * @throws RuntimeException if any parameter is invalid or not supported. 1027bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #getParameters() 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setParameters(Parameters params) { 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setParameters(params.flatten()); 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1034bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Returns the current settings for this Camera service. 1035bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * If modifications are made to the returned Parameters, they must be passed 1036bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to {@link #setParameters(Camera.Parameters)} to take effect. 1037bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1038bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setParameters(Camera.Parameters) 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Parameters getParameters() { 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parameters p = new Parameters(); 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = native_getParameters(); 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.unflatten(s); 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p; 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1048bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Image size (width and height dimensions). 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Size { 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the dimensions for pictures. 10539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param w the photo width (pixels) 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param h the photo height (pixels) 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size(int w, int h) { 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project width = w; 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = h; 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10614c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 10624c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Compares {@code obj} to this size. 10634c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 10644c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @param obj the object to compare this size with. 10654c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @return {@code true} if the width and height of {@code obj} is the 10664c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * same as those of this size. {@code false} otherwise. 10674c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 10684c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 10694c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public boolean equals(Object obj) { 10704c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li if (!(obj instanceof Size)) { 10714c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return false; 10724c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 10734c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li Size s = (Size) obj; 10744c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width == s.width && height == s.height; 10754c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 10764c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 10774c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public int hashCode() { 10784c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width * 32713 + height; 10794c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** width of the picture */ 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int width; 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** height of the picture */ 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int height; 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 108732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The Area class is used for choosing specific metering and focus areas for 108832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the camera to use when calculating auto-exposure, auto-white balance, and 108932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * auto-focus.</p> 109032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 109132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>To find out how many simultaneous areas a given camera supports, use 109232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link Parameters#getMaxNumMeteringAreas()} and 109332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link Parameters#getMaxNumFocusAreas()}. If metering or focusing area 109432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * selection is unsupported, these methods will return 0.</p> 109532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 109632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each Area consists of a rectangle specifying its bounds, and a weight 109732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * that determines its importance. The bounds are relative to the camera's 109832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * current field of view. The coordinates are mapped so that (-1000, -1000) 109932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * is always the top-left corner of the current field of view, and (1000, 110032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 1000) is always the bottom-right corner of the current field of 110132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * view. Setting Areas with bounds outside that range is not allowed. Areas 110232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * with zero or negative width or height are not allowed.</p> 110332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 110432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000, and represents a weight for 110532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * every pixel in the area. This means that a large metering area with 110632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the same weight as a smaller area will have more effect in the 110732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * metering result. Metering areas can overlap and the driver 110832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * will add the weights in the overlap region.</p> 1109bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1110bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#setFocusAreas(List) 1111bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1112bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMaxNumFocusAreas() 1113bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#setMeteringAreas(List) 1114bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1115bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMaxNumMeteringAreas() 111630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 111730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public static class Area { 111830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 111930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Create an area with specified rectangle and weight. 112030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 112132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * @param rect the bounds of the area. 112232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * @param weight the weight of the area. 112330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 112430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public Area(Rect rect, int weight) { 112530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li this.rect = rect; 112630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li this.weight = weight; 112730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 112830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 112930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Compares {@code obj} to this area. 113030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 113130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @param obj the object to compare this area with. 113230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return {@code true} if the rectangle and weight of {@code obj} is 113330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * the same as those of this area. {@code false} otherwise. 113430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 113530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li @Override 113630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public boolean equals(Object obj) { 113730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (!(obj instanceof Area)) { 113830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return false; 113930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 114030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Area a = (Area) obj; 114130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (rect == null) { 114230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (a.rect != null) return false; 114330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } else { 114430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (!rect.equals(a.rect)) return false; 114530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 114630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return weight == a.weight; 114730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 114830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 1149bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li /** 115032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * Bounds of the area. (-1000, -1000) represents the top-left of the 115132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * camera field of view, and (1000, 1000) represents the bottom-right of 115232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the field of view. Setting bounds outside that range is not 115332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * allowed. Bounds with zero or negative width or height are not 115432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * allowed. 1155bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1156bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1157bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1158bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li */ 115930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public Rect rect; 116030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 1161bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li /** 116232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * Weight of the area. The weight must range from 1 to 1000, and 116332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * represents a weight for every pixel in the area. This means that a 116432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * large metering area with the same weight as a smaller area will have 116532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * more effect in the metering result. Metering areas can overlap and 116632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the driver will add the weights in the overlap region. 1167bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1168bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1169bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1170bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li */ 117130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public int weight; 1172bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li } 117330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 117430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 1175bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera service settings. 11769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 11779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>To make camera parameters take effect, applications have to call 1178bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera#setParameters(Camera.Parameters)}. For example, after 1179bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#setWhiteBalance} is called, white balance is not 1180bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * actually changed until {@link Camera#setParameters(Camera.Parameters)} 1181bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with the changed parameters object. 11829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 11839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>Different devices may have different camera capabilities, such as 11849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * picture size or flash modes. The application should query the camera 11859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * capabilities before setting parameters. For example, the application 1186bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * should call {@link Camera.Parameters#getSupportedColorEffects()} before 1187bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling {@link Camera.Parameters#setColorEffect(String)}. If the 1188bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera does not support color effects, 1189bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#getSupportedColorEffects()} will return null. 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Parameters { 11929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter keys to communicate with the camera driver. 11939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_SIZE = "preview-size"; 11949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FORMAT = "preview-format"; 11959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FRAME_RATE = "preview-frame-rate"; 1196454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private static final String KEY_PREVIEW_FPS_RANGE = "preview-fps-range"; 11979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_SIZE = "picture-size"; 11989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_FORMAT = "picture-format"; 11994c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_SIZE = "jpeg-thumbnail-size"; 12009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_WIDTH = "jpeg-thumbnail-width"; 12019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_HEIGHT = "jpeg-thumbnail-height"; 12029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_QUALITY = "jpeg-thumbnail-quality"; 12039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_QUALITY = "jpeg-quality"; 12049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ROTATION = "rotation"; 12059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LATITUDE = "gps-latitude"; 12069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LONGITUDE = "gps-longitude"; 12079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_ALTITUDE = "gps-altitude"; 12089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_TIMESTAMP = "gps-timestamp"; 1209055c986ab841f8f758398841730f1e90313b132aRay Chen private static final String KEY_GPS_PROCESSING_METHOD = "gps-processing-method"; 12109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_WHITE_BALANCE = "whitebalance"; 12119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_EFFECT = "effect"; 12129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ANTIBANDING = "antibanding"; 12139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_SCENE_MODE = "scene-mode"; 12149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_FLASH_MODE = "flash-mode"; 121536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li private static final String KEY_FOCUS_MODE = "focus-mode"; 121630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private static final String KEY_FOCUS_AREAS = "focus-areas"; 121730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private static final String KEY_MAX_NUM_FOCUS_AREAS = "max-num-focus-areas"; 12186c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_FOCAL_LENGTH = "focal-length"; 12196c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_HORIZONTAL_VIEW_ANGLE = "horizontal-view-angle"; 12206c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_VERTICAL_VIEW_ANGLE = "vertical-view-angle"; 1221ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION = "exposure-compensation"; 122224b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MAX_EXPOSURE_COMPENSATION = "max-exposure-compensation"; 122324b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MIN_EXPOSURE_COMPENSATION = "min-exposure-compensation"; 122424b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION_STEP = "exposure-compensation-step"; 12253773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String KEY_AUTO_EXPOSURE_LOCK = "auto-exposure-lock"; 12263773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String KEY_AUTO_EXPOSURE_LOCK_SUPPORTED = "auto-exposure-lock-supported"; 1227d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala private static final String KEY_AUTO_WHITEBALANCE_LOCK = "auto-whitebalance-lock"; 1228d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala private static final String KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED = "auto-whitebalance-lock-supported"; 1229e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private static final String KEY_METERING_AREAS = "metering-areas"; 1230e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private static final String KEY_MAX_NUM_METERING_AREAS = "max-num-metering-areas"; 12318cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM = "zoom"; 12328cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_MAX_ZOOM = "max-zoom"; 12338cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_RATIOS = "zoom-ratios"; 12348cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_SUPPORTED = "zoom-supported"; 12358cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_SMOOTH_ZOOM_SUPPORTED = "smooth-zoom-supported"; 1236e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li private static final String KEY_FOCUS_DISTANCES = "focus-distances"; 1237dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_VIDEO_SIZE = "video-size"; 1238dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO = 1239dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong "preferred-preview-size-for-video"; 1240e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 12419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter key suffix for supported values. 12429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String SUPPORTED_VALUES_SUFFIX = "-values"; 12439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 12448cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String TRUE = "true"; 12453773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String FALSE = "false"; 12468cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li 12479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for white balance settings. 12489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_AUTO = "auto"; 12499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_INCANDESCENT = "incandescent"; 12509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_FLUORESCENT = "fluorescent"; 12519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_WARM_FLUORESCENT = "warm-fluorescent"; 12529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_DAYLIGHT = "daylight"; 12539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_CLOUDY_DAYLIGHT = "cloudy-daylight"; 12549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_TWILIGHT = "twilight"; 12559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_SHADE = "shade"; 12569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 12579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for color effect settings. 12589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NONE = "none"; 12599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_MONO = "mono"; 12609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NEGATIVE = "negative"; 12619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SOLARIZE = "solarize"; 12629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SEPIA = "sepia"; 12639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_POSTERIZE = "posterize"; 12649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_WHITEBOARD = "whiteboard"; 12659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_BLACKBOARD = "blackboard"; 12669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_AQUA = "aqua"; 12679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 12689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for antibanding settings. 12699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_AUTO = "auto"; 12709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_50HZ = "50hz"; 12719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_60HZ = "60hz"; 12729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_OFF = "off"; 12739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 12749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for flash mode settings. 12759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 12769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will not be fired. 12779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 12789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_OFF = "off"; 127936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 12809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1281068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will be fired automatically when required. The flash may be fired 1282068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * during preview, auto-focus, or snapshot depending on the driver. 12839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 12849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_AUTO = "auto"; 128536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 12869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1287068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will always be fired during snapshot. The flash may also be 1288068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * fired during preview or auto-focus depending on the driver. 12899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 12909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_ON = "on"; 129136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 12929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 12939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will be fired in red-eye reduction mode. 12949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 12959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_RED_EYE = "red-eye"; 129636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 129736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1298068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Constant emission of light during preview, auto-focus and snapshot. 1299068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * This can also be used for video recording. 130036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 1301068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li public static final String FLASH_MODE_TORCH = "torch"; 13029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 130300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 130400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Scene mode is off. 130500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 13069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_AUTO = "auto"; 130700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 130800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 130900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 131000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_SPORTS}. 131100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 13129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_ACTION = "action"; 131300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 131400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 131500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures. 131600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 13179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PORTRAIT = "portrait"; 131800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 131900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 132000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on distant objects. 132100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 13229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_LANDSCAPE = "landscape"; 132300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 132400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 132500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos at night. 132600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 13279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT = "night"; 132800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 132900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 133000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures at night. 133100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 13329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT_PORTRAIT = "night-portrait"; 133300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 133400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 133500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos in a theater. Flash light is off. 133600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 13379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_THEATRE = "theatre"; 133800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 133900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 134000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the beach. 134100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 13429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_BEACH = "beach"; 134300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 134400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 134500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the snow. 134600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 13479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SNOW = "snow"; 134800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 134900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 135000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take sunset photos. 135100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 13529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SUNSET = "sunset"; 135300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 135400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 135500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Avoid blurry pictures (for example, due to hand shake). 135600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 13579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_STEADYPHOTO = "steadyphoto"; 135800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 135900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 136000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * For shooting firework displays. 136100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 13629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_FIREWORKS = "fireworks"; 136300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 136400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 136500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 136600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_ACTION}. 136700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 13689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SPORTS = "sports"; 136900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 137000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 137100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take indoor low-light shot. 137200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 13739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PARTY = "party"; 137400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 137500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 137600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Capture the naturally warm color of scenes lit by candles. 137700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 13789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_CANDLELIGHT = "candlelight"; 13799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1380c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1381c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Applications are looking for a barcode. Camera driver will be 1382c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * optimized for barcode reading. 1383c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1384c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String SCENE_MODE_BARCODE = "barcode"; 1385c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 138636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1387f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Auto-focus mode. Applications should call {@link 1388f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus in this mode. 138936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 139036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_AUTO = "auto"; 139136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 139236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 139336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is set at infinity. Applications should not call 139436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} in this mode. 139536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 139636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_INFINITY = "infinity"; 1397f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li 1398f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li /** 1399f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Macro (close-up) focus mode. Applications should call 1400f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} to start the focus in this 1401f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * mode. 1402f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li */ 140336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_MACRO = "macro"; 140436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 140536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 140636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is fixed. The camera is always in this mode if the focus is not 140736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * adjustable. If the camera has auto-focus, this mode can fix the 140836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * focus, which is usually at hyperfocal distance. Applications should 140936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * not call {@link #autoFocus(AutoFocusCallback)} in this mode. 141036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 141136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_FIXED = "fixed"; 141236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 1413c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1414c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Extended depth of field (EDOF). Focusing is done digitally and 1415c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * continuously. Applications should not call {@link 1416c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode. 1417c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1418c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String FOCUS_MODE_EDOF = "edof"; 1419c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 1420699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li /** 1421d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Continuous auto focus mode intended for video recording. The camera 1422d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * continuously tries to focus. This is ideal for shooting video. 1423d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Applications still can call {@link 1424d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * #takePicture(Camera.ShutterCallback, Camera.PictureCallback, 1425d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Camera.PictureCallback)} in this mode but the subject may not be in 1426d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * focus. Auto focus starts when the parameter is set. Applications 1427d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * should not call {@link #autoFocus(AutoFocusCallback)} in this mode. 1428d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * To stop continuous focus, applications should change the focus mode 1429d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * to other modes. 1430d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li */ 1431d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li public static final String FOCUS_MODE_CONTINUOUS_VIDEO = "continuous-video"; 1432699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li 1433e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Indices for focus distance array. 1434e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1435e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of near focus distance for use with 1436e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1437e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1438e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_NEAR_INDEX = 0; 1439e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1440e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1441e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of optimal focus distance for use with 1442e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1443e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1444e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_OPTIMAL_INDEX = 1; 1445e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1446e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1447e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of far focus distance for use with 1448e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1449e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1450e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_FAR_INDEX = 2; 1451e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1452ca099614841bc619f217dfa088da630a7eb1ab65Wu-cheng Li /** 1453454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of minimum preview fps for use with {@link 1454454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1455454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1456454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1457454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MIN_INDEX = 0; 1458454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1459454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1460454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of maximum preview fps for use with {@link 1461454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1462454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1463454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1464454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MAX_INDEX = 1; 1465454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 14669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Formats for setPreviewFormat and setPictureFormat. 14679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV422SP = "yuv422sp"; 14689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV420SP = "yuv420sp"; 1469eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang private static final String PIXEL_FORMAT_YUV422I = "yuv422i-yuyv"; 147010a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li private static final String PIXEL_FORMAT_YUV420P = "yuv420p"; 14719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_RGB565 = "rgb565"; 14729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_JPEG = "jpeg"; 14739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 14749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private HashMap<String, String> mMap; 14759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Parameters() { 14779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap = new HashMap<String, String>(); 14789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Writes the current Parameters to the log. 14829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 14839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated 14849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dump() { 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: size=" + mMap.size()); 14879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 14889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: " + k + "=" + mMap.get(k)); 14899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a single string with all the parameters set in 14949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 14959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #unflatten(String)} method does the reverse.</p> 14969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a String with all values from this Parameters object, in 14989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * semi-colon delimited key-value pairs 14999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String flatten() { 15019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder flattened = new StringBuilder(); 15029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 15039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(k); 15049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append("="); 15059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(mMap.get(k)); 15069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(";"); 15079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // chop off the extra semicolon at the end 15099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.deleteCharAt(flattened.length()-1); 15109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return flattened.toString(); 15119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Takes a flattened string of parameters and adds each one to 15159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #flatten()} method does the reverse.</p> 15179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 15189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param flattened a String of parameters (key-value paired) that 15199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are semi-colon delimited 15209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void unflatten(String flattened) { 15229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.clear(); 15239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 15249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringTokenizer tokenizer = new StringTokenizer(flattened, ";"); 15259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (tokenizer.hasMoreElements()) { 15269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String kv = tokenizer.nextToken(); 15279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pos = kv.indexOf('='); 15289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pos == -1) { 15299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 15309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String k = kv.substring(0, pos); 15329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = kv.substring(pos + 1); 15339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(k, v); 15349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 15379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void remove(String key) { 15389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.remove(key); 15399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a String parameter. 15439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 15449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 15459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the String value of the parameter 15469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, String value) { 15489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (key.indexOf('=') != -1 || key.indexOf(';') != -1) { 15499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Key \"" + key + "\" contains invalid character (= or ;)"); 15509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 15519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value.indexOf('=') != -1 || value.indexOf(';') != -1) { 15539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Value \"" + value + "\" contains invalid character (= or ;)"); 15549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 15559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, value); 15589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets an integer parameter. 15629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 15639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 15649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the int value of the parameter 15659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, int value) { 15679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, Integer.toString(value)); 15689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1570e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private void set(String key, List<Area> areas) { 1571f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (areas == null) { 1572f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li set(key, "(0,0,0,0,0)"); 1573f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } else { 1574f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li StringBuilder buffer = new StringBuilder(); 1575f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li for (int i = 0; i < areas.size(); i++) { 1576f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Area area = areas.get(i); 1577f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Rect rect = area.rect; 1578f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append('('); 1579f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.left); 1580f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1581f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.top); 1582f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1583f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.right); 1584f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1585f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.bottom); 1586f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1587f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(area.weight); 1588f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(')'); 1589f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (i != areas.size() - 1) buffer.append(','); 1590f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 1591f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li set(key, buffer.toString()); 1592e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 1593e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 1594e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 15959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of a String parameter. 15979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 15989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 15999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the String value of the parameter 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String get(String key) { 16029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMap.get(key); 16039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of an integer parameter. 16079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 16089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 16099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the int value of the parameter 16109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getInt(String key) { 16129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Integer.parseInt(mMap.get(key)); 16139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 161626274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * Sets the dimensions for preview pictures. If the preview has already 161726274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * started, applications should stop the preview first before changing 161826274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * preview size. 16199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1620c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * The sides of width and height are based on camera orientation. That 1621c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * is, the preview size is the size before it is rotated by display 1622c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation. So applications need to consider the display orientation 1623c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * while setting preview size. For example, suppose the camera supports 1624c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * both 480x320 and 320x480 preview sizes. The application wants a 3:2 1625c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * preview ratio. If the display orientation is set to 0 or 180, preview 1626c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * size should be set to 480x320. If the display orientation is set to 1627c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 90 or 270, preview size should be set to 320x480. The display 1628c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation should also be considered while setting picture size and 1629c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * thumbnail size. 1630c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 16319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the pictures, in pixels 16329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the pictures, in pixels 1633c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setDisplayOrientation(int) 1634c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #getCameraInfo(int, CameraInfo) 1635c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPictureSize(int, int) 1636c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setJpegThumbnailSize(int, int) 16379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewSize(int width, int height) { 16399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 16409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_SIZE, v); 16419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimensions setting for preview pictures. 16459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1646dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a Size object with the width and height setting 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for the preview picture 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPreviewSize() { 16509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PREVIEW_SIZE); 16519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 16529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 16539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 16559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview sizes. 16569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 16573f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 16589c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li * with at least one element. 16599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPreviewSizes() { 16619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_SIZE + SUPPORTED_VALUES_SUFFIX); 16629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 16639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 166632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the supported video frame sizes that can be used by 166732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * MediaRecorder.</p> 1668dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 166932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>If the returned list is not null, the returned list will contain at 1670dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * least one Size and one of the sizes in the returned list must be 1671dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * passed to MediaRecorder.setVideoSize() for camcorder application if 1672dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * camera is used as the video source. In this case, the size of the 1673dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview can be different from the resolution of the recorded video 167432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * during video recording.</p> 1675dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 1676dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a list of Size object if camera has separate preview and 1677dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video output; otherwise, null is returned. 1678dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getPreferredPreviewSizeForVideo() 1679dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 1680dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public List<Size> getSupportedVideoSizes() { 1681dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String str = get(KEY_VIDEO_SIZE + SUPPORTED_VALUES_SUFFIX); 1682dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return splitSize(str); 1683dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 1684dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 1685dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 1686dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * Returns the preferred or recommended preview size (width and height) 1687dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * in pixels for video recording. Camcorder applications should 1688dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * set the preview size to a value that is not larger than the 1689dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preferred preview size. In other words, the product of the width 1690dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * and height of the preview size should not be larger than that of 1691dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * the preferred preview size. In addition, we recommend to choose a 1692dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview size that has the same aspect ratio as the resolution of 1693dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video to be recorded. 1694dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 1695dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return the preferred preview size (width and height) in pixels for 1696dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video recording if getSupportedVideoSizes() does not return 1697dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * null; otherwise, null is returned. 1698dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getSupportedVideoSizes() 1699dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 1700dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public Size getPreferredPreviewSizeForVideo() { 1701dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String pair = get(KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO); 1702dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return strToSize(pair); 1703dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 1704dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 1705dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 170632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Sets the dimensions for EXIF thumbnail in Jpeg picture. If 17074c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * applications set both width and height to 0, EXIF will not contain 170832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * thumbnail.</p> 17099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 171032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Applications need to consider the display orientation. See {@link 171132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * #setPreviewSize(int,int)} for reference.</p> 1712c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 17139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the thumbnail, in pixels 17149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the thumbnail, in pixels 1715c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 17169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 17179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailSize(int width, int height) { 17189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_WIDTH, width); 17199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_HEIGHT, height); 17209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 17219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 17229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 17239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the dimensions for EXIF thumbnail in Jpeg picture. 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting for the EXIF 17269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * thumbnails 17279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public Size getJpegThumbnailSize() { 17299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(getInt(KEY_JPEG_THUMBNAIL_WIDTH), 17309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li getInt(KEY_JPEG_THUMBNAIL_HEIGHT)); 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17344c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Gets the supported jpeg thumbnail sizes. 17354c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 17363f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 17374c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * with at least two elements. Size 0,0 (no thumbnail) is always 17384c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * supported. 17394c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 17404c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public List<Size> getSupportedJpegThumbnailSizes() { 17414c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li String str = get(KEY_JPEG_THUMBNAIL_SIZE + SUPPORTED_VALUES_SUFFIX); 17424c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return splitSize(str); 17434c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 17444c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li 17454c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 17469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the quality of the EXIF thumbnail in Jpeg picture. 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of the EXIF thumbnail. The range is 1 17499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 17509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailQuality(int quality) { 17529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_QUALITY, quality); 17539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the EXIF thumbnail in Jpeg picture. 17579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG quality setting of the EXIF thumbnail. 17599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegThumbnailQuality() { 17619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_THUMBNAIL_QUALITY); 17629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets Jpeg quality of captured picture. 17669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of captured picture. The range is 1 17689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 17699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 17709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegQuality(int quality) { 17719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_QUALITY, quality); 17729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 17739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 17749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 17759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the JPEG picture. 17769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG picture quality setting. 17789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegQuality() { 17809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_QUALITY); 17819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1784a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Sets the rate at which preview frames are received. This is the 1785a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * target frame rate. The actual frame rate depends on the driver. 17869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fps the frame rate (frames per second) 17885f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #setPreviewFpsRange(int,int)} 17899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17905f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 17919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFrameRate(int fps) { 17929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FRAME_RATE, fps); 17939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1796a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Returns the setting for the rate at which preview frames are 1797a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * received. This is the target frame rate. The actual frame rate 1798a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * depends on the driver. 17999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the frame rate setting (frames per second) 18015f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getPreviewFpsRange(int[])} 18029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18035f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 18049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFrameRate() { 18059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_PREVIEW_FRAME_RATE); 18069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 18079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 18089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 18099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview frame rates. 18109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18113f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview frame rates. null if preview 18123f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * frame rate setting is not supported. 18135f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getSupportedPreviewFpsRange()} 18149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 18155f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 18169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFrameRates() { 18179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FRAME_RATE + SUPPORTED_VALUES_SUFFIX); 18189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitInt(str); 18199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1822454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Sets the maximum and maximum preview fps. This controls the rate of 18231620d118a49dc6df7b0e83d7343f8a8bb6e23b12Wu-cheng Li * preview frames received in {@link PreviewCallback}. The minimum and 1824454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum preview fps must be one of the elements from {@link 1825454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange}. 1826454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 1827454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param min the minimum preview fps (scaled by 1000). 1828454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param max the maximum preview fps (scaled by 1000). 1829454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @throws RuntimeException if fps range is invalid. 1830454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 1831454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 1832454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1833454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void setPreviewFpsRange(int min, int max) { 1834454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li set(KEY_PREVIEW_FPS_RANGE, "" + min + "," + max); 1835454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 1836454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1837454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1838454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Returns the current minimum and maximum preview fps. The values are 1839454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * one of the elements returned by {@link #getSupportedPreviewFpsRange}. 1840454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 1841454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return range the minimum and maximum preview fps (scaled by 1000). 1842454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 1843454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 1844454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 1845454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1846454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void getPreviewFpsRange(int[] range) { 1847454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (range == null || range.length != 2) { 1848454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li throw new IllegalArgumentException( 18495f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li "range must be an array with two elements."); 1850454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 1851454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(get(KEY_PREVIEW_FPS_RANGE), range); 1852454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 1853454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1854454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1855454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Gets the supported preview fps (frame-per-second) ranges. Each range 1856454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * contains a minimum fps and maximum fps. If minimum fps equals to 1857454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum fps, the camera outputs frames in fixed frame rate. If not, 1858454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * the camera outputs frames in auto frame rate. The actual frame rate 1859454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * fluctuates between the minimum and the maximum. The values are 1860454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * multiplied by 1000 and represented in integers. For example, if frame 1861454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * rate is 26.623 frames per second, the value is 26623. 1862454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 1863454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return a list of supported preview fps ranges. This method returns a 1864454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * list with at least one element. Every element is an int array 1865454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * of two values - minimum fps and maximum fps. The list is 1866454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * sorted from small to large (first by maximum fps and then 1867454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * minimum fps). 1868454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 1869454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 1870454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1871454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public List<int[]> getSupportedPreviewFpsRange() { 1872454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String str = get(KEY_PREVIEW_FPS_RANGE + SUPPORTED_VALUES_SUFFIX); 1873454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return splitRange(str); 1874454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 1875454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1876454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 18777478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * Sets the image format for preview pictures. 1878da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If this is never called, the default format will be 1879a696f5d667227365da732481770767dcb330dd23Mathias Agopian * {@link android.graphics.ImageFormat#NV21}, which 1880df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * uses the NV21 encoding format.</p> 18817478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 1882df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * @param pixel_format the desired preview picture format, defined 1883a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by one of the {@link android.graphics.ImageFormat} constants. 1884a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (E.g., <var>ImageFormat.NV21</var> (default), 1885a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 1886a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 1887a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 18889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFormat(int pixel_format) { 18909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 18919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 18929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 18939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 18949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FORMAT, s); 18979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19003f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Returns the image format for preview frames got from 19019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * {@link PreviewCallback}. 19027478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 19033f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the preview format. 19043f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 19059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFormat() { 19079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PREVIEW_FORMAT)); 19089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1911f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * Gets the supported preview formats. {@link android.graphics.ImageFormat#NV21} 1912f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported. {@link android.graphics.ImageFormat#YV12} 1913f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported since API level 12. 19149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19153f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview formats. This method will always 19163f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 19173f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 19189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFormats() { 19209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FORMAT + SUPPORTED_VALUES_SUFFIX); 1921eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang ArrayList<Integer> formats = new ArrayList<Integer>(); 1922eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang for (String s : split(str)) { 1923eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang int f = pixelFormatForCameraFormat(s); 1924a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 1925eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang formats.add(f); 1926eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang } 1927eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang return formats; 19289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 193132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Sets the dimensions for pictures.</p> 19329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 193332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Applications need to consider the display orientation. See {@link 193432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * #setPreviewSize(int,int)} for reference.</p> 1935c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 19369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width for pictures, in pixels 19379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height for pictures, in pixels 1938c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 1939c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 19409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureSize(int width, int height) { 19429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 19439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_SIZE, v); 19449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimension setting for pictures. 19489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting 19509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for pictures 19519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPictureSize() { 19539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PICTURE_SIZE); 19549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 19559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture sizes. 19599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19603f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported picture sizes. This method will always 19613f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 19629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPictureSizes() { 19649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PICTURE_SIZE + SUPPORTED_VALUES_SUFFIX); 19659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 19669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the image format for pictures. 19709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param pixel_format the desired picture format 1972a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (<var>ImageFormat.NV21</var>, 1973a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 1974a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 1975a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 19769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureFormat(int pixel_format) { 19789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 19799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 19809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 19819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 19829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_FORMAT, s); 19859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the image format for pictures. 19899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19903f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the picture format 19913f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 19929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPictureFormat() { 19949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PICTURE_FORMAT)); 19959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture formats. 19999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20003f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return supported picture formats. This method will always return a 20013f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * list with at least one element. 20023f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 20039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPictureFormats() { 20059c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li String str = get(KEY_PICTURE_FORMAT + SUPPORTED_VALUES_SUFFIX); 20069c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li ArrayList<Integer> formats = new ArrayList<Integer>(); 20079c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li for (String s : split(str)) { 20089c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li int f = pixelFormatForCameraFormat(s); 2009a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 20109c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li formats.add(f); 20119c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li } 20129c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li return formats; 20139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String cameraFormatForPixelFormat(int pixel_format) { 20169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(pixel_format) { 2017a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV16: return PIXEL_FORMAT_YUV422SP; 2018a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV21: return PIXEL_FORMAT_YUV420SP; 2019a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.YUY2: return PIXEL_FORMAT_YUV422I; 202010a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li case ImageFormat.YV12: return PIXEL_FORMAT_YUV420P; 2021a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.RGB_565: return PIXEL_FORMAT_RGB565; 2022a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.JPEG: return PIXEL_FORMAT_JPEG; 2023a696f5d667227365da732481770767dcb330dd23Mathias Agopian default: return null; 20249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int pixelFormatForCameraFormat(String format) { 20289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (format == null) 2029a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 20309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV422SP)) 2032a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV16; 20339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420SP)) 2035a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV21; 20369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2037eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang if (format.equals(PIXEL_FORMAT_YUV422I)) 2038a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.YUY2; 2039eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang 204010a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420P)) 204110a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li return ImageFormat.YV12; 204210a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li 20439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_RGB565)) 2044a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.RGB_565; 20459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_JPEG)) 2047a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.JPEG; 20489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2049a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 20509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20532fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * Sets the rotation angle in degrees relative to the orientation of 20542fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the camera. This affects the pictures returned from JPEG {@link 20552fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * PictureCallback}. The camera driver may set orientation in the 20562fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * EXIF header without rotating the picture. Or the driver may rotate 20572fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the picture and the EXIF thumbnail. If the Jpeg picture is rotated, 20582fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the orientation in the EXIF header will be missing or 1 (row #0 is 20592fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * top and column #0 is left side). 20609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 206169ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If applications want to rotate the picture to match the orientation 20622fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of what users see, apps should use {@link 20632fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.view.OrientationEventListener} and {@link CameraInfo}. 20642fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * The value from OrientationEventListener is relative to the natural 20652fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation of the device. CameraInfo.orientation is the angle 206669ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * between camera orientation and natural device orientation. The sum 20672fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of the two is the rotation angle for back-facing camera. The 20682fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * difference of the two is the rotation angle for front-facing camera. 20692fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Note that the JPEG pictures of front-facing cameras are not mirrored 20702fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * as in preview display. 20719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 207269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>For example, suppose the natural orientation of the device is 20732fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * portrait. The device is rotated 270 degrees clockwise, so the device 20742fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 270. Suppose a back-facing camera sensor is mounted in 20752fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * landscape and the top side of the camera sensor is aligned with the 20762fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the display in natural orientation. So the camera 20772fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 90. The rotation should be set to 0 (270 + 90). 20782fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 207969ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>The reference code is as follows. 20802fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 208169ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <pre> 20822fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * public void public void onOrientationChanged(int orientation) { 20832fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * if (orientation == ORIENTATION_UNKNOWN) return; 20842fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.CameraInfo info = 20852fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * new android.hardware.Camera.CameraInfo(); 20862fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.getCameraInfo(cameraId, info); 20872fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation = (orientation + 45) / 90 * 90; 20882fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int rotation = 0; 20892fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == CameraInfo.CAMERA_FACING_FRONT) { 20902fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation - orientation + 360) % 360; 20912fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing camera 20922fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation + orientation) % 360; 20932fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 20942fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * mParameters.setRotation(rotation); 20952fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * } 209669ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * </pre> 20972fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 20982fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @param rotation The rotation angle in degrees relative to the 20992fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation of the camera. Rotation can only be 0, 21002fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 90, 180 or 270. 21019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @throws IllegalArgumentException if rotation value is invalid. 21029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @see android.view.OrientationEventListener 21032fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @see #getCameraInfo(int, CameraInfo) 21049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setRotation(int rotation) { 21069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (rotation == 0 || rotation == 90 || rotation == 180 21079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li || rotation == 270) { 21089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ROTATION, Integer.toString(rotation)); 21099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } else { 21109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 21119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid rotation=" + rotation); 21129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS latitude coordinate. This will be stored in JPEG EXIF 21179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 21189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param latitude GPS latitude coordinate. 21209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLatitude(double latitude) { 21229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LATITUDE, Double.toString(latitude)); 21239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS longitude coordinate. This will be stored in JPEG EXIF 21279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 21289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param longitude GPS longitude coordinate. 21309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLongitude(double longitude) { 21329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LONGITUDE, Double.toString(longitude)); 21339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS altitude. This will be stored in JPEG EXIF header. 21379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param altitude GPS altitude in meters. 21399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsAltitude(double altitude) { 21419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_ALTITUDE, Double.toString(altitude)); 21429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS timestamp. This will be stored in JPEG EXIF header. 21469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param timestamp GPS timestamp (UTC in seconds since January 1, 21489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1970). 21499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsTimestamp(long timestamp) { 21519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_TIMESTAMP, Long.toString(timestamp)); 21529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2155e208377fbab6b90f41e68699700942a81f4caaebRay Chen * Sets GPS processing method. It will store up to 32 characters 2156055c986ab841f8f758398841730f1e90313b132aRay Chen * in JPEG EXIF header. 2157055c986ab841f8f758398841730f1e90313b132aRay Chen * 2158055c986ab841f8f758398841730f1e90313b132aRay Chen * @param processing_method The processing method to get this location. 2159055c986ab841f8f758398841730f1e90313b132aRay Chen */ 2160055c986ab841f8f758398841730f1e90313b132aRay Chen public void setGpsProcessingMethod(String processing_method) { 2161055c986ab841f8f758398841730f1e90313b132aRay Chen set(KEY_GPS_PROCESSING_METHOD, processing_method); 2162055c986ab841f8f758398841730f1e90313b132aRay Chen } 2163055c986ab841f8f758398841730f1e90313b132aRay Chen 2164055c986ab841f8f758398841730f1e90313b132aRay Chen /** 21659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Removes GPS latitude, longitude, altitude, and timestamp from the 21669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * parameters. 21679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void removeGpsData() { 21699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LATITUDE); 21709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LONGITUDE); 21719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_ALTITUDE); 21729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_TIMESTAMP); 2173055c986ab841f8f758398841730f1e90313b132aRay Chen remove(KEY_GPS_PROCESSING_METHOD); 21749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current white balance setting. 21789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21793f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current white balance. null if white balance setting is not 21803f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 21813f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_AUTO 21823f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_INCANDESCENT 21833f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_FLUORESCENT 21843f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_WARM_FLUORESCENT 21853f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_DAYLIGHT 21863f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_CLOUDY_DAYLIGHT 21873f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_TWILIGHT 21883f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_SHADE 21893f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * 21909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getWhiteBalance() { 21929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_WHITE_BALANCE); 21939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the white balance. 21979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21983f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new white balance. 21993f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 22009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setWhiteBalance(String value) { 22029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_WHITE_BALANCE, value); 22039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported white balance. 22079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22083f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported white balance. null if white balance 22093f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 22103f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 22119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedWhiteBalance() { 22139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_WHITE_BALANCE + SUPPORTED_VALUES_SUFFIX); 22149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 22159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current color effect setting. 22199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current color effect. null if color effect 22219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 22223f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NONE 22233f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_MONO 22243f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NEGATIVE 22253f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SOLARIZE 22263f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SEPIA 22273f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_POSTERIZE 22283f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_WHITEBOARD 22293f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_BLACKBOARD 22303f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_AQUA 22319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getColorEffect() { 22339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_EFFECT); 22349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the current color effect setting. 22389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22393f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new color effect. 22403f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 22419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setColorEffect(String value) { 22439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_EFFECT, value); 22449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported color effects. 22489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22493f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported color effects. null if color effect 22509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 22513f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 22529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedColorEffects() { 22549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_EFFECT + SUPPORTED_VALUES_SUFFIX); 22559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 22569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current antibanding setting. 22619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22623f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current antibanding. null if antibanding setting is not 22633f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 22643f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_AUTO 22653f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_50HZ 22663f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_60HZ 22673f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_OFF 22689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getAntibanding() { 22709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_ANTIBANDING); 22719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the antibanding. 22759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22763f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param antibanding new antibanding value. 22773f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 22789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setAntibanding(String antibanding) { 22809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ANTIBANDING, antibanding); 22819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported antibanding values. 22859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22863f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported antibanding values. null if antibanding 22873f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 22883f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 22899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedAntibanding() { 22919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_ANTIBANDING + SUPPORTED_VALUES_SUFFIX); 22929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 22939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current scene mode setting. 22979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return one of SCENE_MODE_XXX string constant. null if scene mode 22999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 23003f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_AUTO 23013f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_ACTION 23023f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PORTRAIT 23033f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_LANDSCAPE 23043f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT 23053f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT_PORTRAIT 23063f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_THEATRE 23073f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_BEACH 23083f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SNOW 23093f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SUNSET 23103f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_STEADYPHOTO 23113f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_FIREWORKS 23123f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SPORTS 23133f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PARTY 23143f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_CANDLELIGHT 23159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getSceneMode() { 23179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_SCENE_MODE); 23189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2321c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Sets the scene mode. Changing scene mode may override other 2322c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * parameters (such as flash mode, focus mode, white balance). For 2323c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * example, suppose originally flash mode is on and supported flash 2324c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * modes are on/off. In night scene mode, both flash mode and supported 2325c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * flash mode may be changed to off. After setting scene mode, 23262988ab7c322aad7508df930204886f334216b65cWu-cheng Li * applications should call getParameters to know if some parameters are 23272988ab7c322aad7508df930204886f334216b65cWu-cheng Li * changed. 23289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23293f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value scene mode. 23303f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 23319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setSceneMode(String value) { 23339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_SCENE_MODE, value); 23349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported scene modes. 23389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23393f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported scene modes. null if scene mode setting 23403f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 23413f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 23429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedSceneModes() { 23449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_SCENE_MODE + SUPPORTED_VALUES_SUFFIX); 23459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 23469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current flash mode setting. 23509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23513f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current flash mode. null if flash mode setting is not 23523f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 23533f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_OFF 23543f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_AUTO 23553f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_ON 23563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_RED_EYE 23573f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_TORCH 23589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getFlashMode() { 23609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_FLASH_MODE); 23619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the flash mode. 23659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23663f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value flash mode. 23673f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 23689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setFlashMode(String value) { 23709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_FLASH_MODE, value); 23719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported flash modes. 23759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23763f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported flash modes. null if flash mode setting 23773f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 23783f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 23799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedFlashModes() { 23819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_FLASH_MODE + SUPPORTED_VALUES_SUFFIX); 23829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 23839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 238536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 238636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the current focus mode setting. 238736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 2388699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * @return current focus mode. This method will always return a non-null 2389699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * value. Applications should call {@link 2390699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus if focus 2391699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * mode is FOCUS_MODE_AUTO or FOCUS_MODE_MACRO. 23923f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_AUTO 23933f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_INFINITY 23943f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_MACRO 23953f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_FIXED 2396f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * @see #FOCUS_MODE_EDOF 2397d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_VIDEO 239836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 239936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public String getFocusMode() { 240036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return get(KEY_FOCUS_MODE); 240136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 240236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 240336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 240436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Sets the focus mode. 240536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 24063f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value focus mode. 24073f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 240836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 240936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public void setFocusMode(String value) { 241036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li set(KEY_FOCUS_MODE, value); 241136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 241236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 241336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 241436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the supported focus modes. 241536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 24163f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported focus modes. This method will always 24173f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 24183f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 241936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 242036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public List<String> getSupportedFocusModes() { 242136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li String str = get(KEY_FOCUS_MODE + SUPPORTED_VALUES_SUFFIX); 242236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return split(str); 242336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 242436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 242536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 24266c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the focal length (in millimeter) of the camera. 24276c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 24286c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return the focal length. This method will always return a valid 24296c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * value. 24306c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 24316c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getFocalLength() { 24326c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_FOCAL_LENGTH)); 24336c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 24346c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 24356c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 24366c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the horizontal angle of view in degrees. 24376c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 24386c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return horizontal angle of view. This method will always return a 24396c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 24406c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 24416c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getHorizontalViewAngle() { 24426c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_HORIZONTAL_VIEW_ANGLE)); 24436c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 24446c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 24456c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 24466c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the vertical angle of view in degrees. 24476c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 24486c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return vertical angle of view. This method will always return a 24496c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 24506c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 24516c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getVerticalViewAngle() { 24526c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_VERTICAL_VIEW_ANGLE)); 24536c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 24546c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 24556c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 245624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the current exposure compensation index. 2457ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 245824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return current exposure compensation index. The range is {@link 245924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMinExposureCompensation} to {@link 246024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation}. 0 means exposure is not 246124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * adjusted. 2462ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2463ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public int getExposureCompensation() { 246424b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_EXPOSURE_COMPENSATION, 0); 2465ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2466ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2467ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 246824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Sets the exposure compensation index. 2469ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 24700402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * @param value exposure compensation index. The valid value range is 24710402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * from {@link #getMinExposureCompensation} (inclusive) to {@link 247224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation} (inclusive). 0 means exposure is 247324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * not adjusted. Application should call 247424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * getMinExposureCompensation and getMaxExposureCompensation to 247524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * know if exposure compensation is supported. 2476ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2477ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public void setExposureCompensation(int value) { 2478ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li set(KEY_EXPOSURE_COMPENSATION, value); 2479ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2480ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2481ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 248224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the maximum exposure compensation index. 2483ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 248424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return maximum exposure compensation index (>=0). If both this 248524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMinExposureCompensation} return 0, 248624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 248724b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 248824b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMaxExposureCompensation() { 248924b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MAX_EXPOSURE_COMPENSATION, 0); 249024b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 249124b326a8978bf78e3e560723dde221792784325bWu-cheng Li 249224b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 249324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the minimum exposure compensation index. 249424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 249524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return minimum exposure compensation index (<=0). If both this 249624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMaxExposureCompensation} return 0, 249724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 2498ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 249924b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMinExposureCompensation() { 250024b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MIN_EXPOSURE_COMPENSATION, 0); 250124b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 250224b326a8978bf78e3e560723dde221792784325bWu-cheng Li 250324b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 250424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the exposure compensation step. 250524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 250624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return exposure compensation step. Applications can get EV by 250724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * multiplying the exposure compensation index and step. Ex: if 250824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation index is -6 and step is 0.333333333, EV 250924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * is -2. 251024b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 251124b326a8978bf78e3e560723dde221792784325bWu-cheng Li public float getExposureCompensationStep() { 251224b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getFloat(KEY_EXPOSURE_COMPENSATION_STEP, 0); 2513ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2514ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2515ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 2516d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Sets the auto-exposure lock state. Applications should check 2517d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #isAutoExposureLockSupported} before using this method.</p> 25183773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 2519d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If set to true, the camera auto-exposure routine will immediately 2520d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * pause until the lock is set to false. Exposure compensation settings 2521d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * changes will still take effect while auto-exposure is locked.</p> 2522d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2523d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If auto-exposure is already locked, setting this to true again has 2524d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * no effect (the driver will not recalculate exposure values).</p> 2525d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2526d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Stopping preview with {@link #stopPreview()}, or triggering still 2527d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * image capture with {@link #takePicture(Camera.ShutterCallback, 2528d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Camera.PictureCallback, Camera.PictureCallback)}, will automatically 2529d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * set the lock to false. However, the lock can be re-enabled before 2530d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * preview is re-started to keep the same AE parameters.</p> 2531d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2532d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Exposure compensation, in conjunction with re-enabling the AE and 2533d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * AWB locks after each still capture, can be used to capture an 2534d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * exposure-bracketed burst of images, for example.</p> 2535d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2536d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Auto-exposure state, including the lock state, will not be 25373773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * maintained after camera {@link #release()} is called. Locking 25383773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure after {@link #open()} but before the first call to 25393773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #startPreview()} will not allow the auto-exposure routine to 2540d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * run at all, and may result in severely over- or under-exposed 2541d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * images.</p> 25423773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 2543d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>The driver may also independently lock auto-exposure after 2544d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-focus completes. If this is undesirable, be sure to always set 2545d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * the auto-exposure lock to false after the 25463773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} callback is 25473773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * received. The {@link #getAutoExposureLock()} method can be used after 25483773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * the callback to determine if the camera has locked auto-exposure 2549d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * independently.</p> 25503773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 25513773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @param toggle new state of the auto-exposure lock. True means that 25523773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure is locked, false means that the auto-exposure 25533773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * routine is free to run normally. 25543773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 2555d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #getAutoExposureLock() 2556d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 25573773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @hide 25583773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 25593773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public void setAutoExposureLock(boolean toggle) { 25603773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala set(KEY_AUTO_EXPOSURE_LOCK, toggle ? TRUE : FALSE); 25613773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 25623773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 25633773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 25643773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Gets the state of the auto-exposure lock. Applications should check 25653773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #isAutoExposureLockSupported} before using this method. See 25663773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #setAutoExposureLock} for details about the lock. 25673773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 25683773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @return State of the auto-exposure lock. Returns true if 25693773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure is currently locked, and false otherwise. The 25703773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure lock may be independently enabled by the camera 25713773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * subsystem when auto-focus has completed. This method can be 25723773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * used after the {@link AutoFocusCallback#onAutoFocus(boolean, 25733773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Camera)} callback to determine if the camera has locked AE. 25743773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 25753773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @see #setAutoExposureLock(boolean) 25763773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 25773773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @hide 25783773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 25793773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public boolean getAutoExposureLock() { 25803773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala String str = get(KEY_AUTO_EXPOSURE_LOCK); 25813773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala return TRUE.equals(str); 25823773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 25833773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 25843773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 25853773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Returns true if auto-exposure locking is supported. Applications 25863773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * should call this before trying to lock auto-exposure. See 25873773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #setAutoExposureLock} for details about the lock. 25883773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 25893773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @return true if auto-exposure lock is supported. 25903773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @see #setAutoExposureLock(boolean) 25913773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 25923773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @hide 25933773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 25943773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public boolean isAutoExposureLockSupported() { 25953773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala String str = get(KEY_AUTO_EXPOSURE_LOCK_SUPPORTED); 25963773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala return TRUE.equals(str); 25973773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 25983773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 25993773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 2600d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Sets the auto-white balance lock state. Applications should check 2601d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #isAutoWhiteBalanceLockSupported} before using this 2602d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * method.</p> 2603d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2604d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If set to true, the camera auto-white balance routine will 2605d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * immediately pause until the lock is set to false.</p> 2606d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2607d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If auto-white balance is already locked, setting this to true 2608d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * again has no effect (the driver will not recalculate white balance 2609d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * values).</p> 2610d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2611d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Stopping preview with {@link #stopPreview()}, or triggering still 2612d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * image capture with {@link #takePicture(Camera.ShutterCallback, 2613d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Camera.PictureCallback, Camera.PictureCallback)}, will automatically 2614d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * set the lock to false. However, the lock can be re-enabled before 2615d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * preview is re-started to keep the same white balance parameters.</p> 2616d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2617d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Exposure compensation, in conjunction with re-enabling the AE and 2618d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * AWB locks after each still capture, can be used to capture an 2619d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * exposure-bracketed burst of images, for example. Auto-white balance 2620d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * state, including the lock state, will not be maintained after camera 2621d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #release()} is called. Locking auto-white balance after 2622d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #open()} but before the first call to {@link #startPreview()} 2623d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * will not allow the auto-white balance routine to run at all, and may 2624d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * result in severely incorrect color in captured images.</p> 2625d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2626d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>The driver may also independently lock auto-white balance after 2627d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-focus completes. If this is undesirable, be sure to always set 2628d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * the auto-white balance lock to false after the 2629d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} callback is 2630d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * received. The {@link #getAutoWhiteBalanceLock()} method can be used 2631d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * after the callback to determine if the camera has locked auto-white 2632d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * balance independently.</p> 2633d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2634d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @param toggle new state of the auto-white balance lock. True means 2635d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * that auto-white balance is locked, false means that the 2636d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-white balance routine is free to run normally. 2637d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2638d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #getAutoWhiteBalanceLock() 2639d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2640d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @hide 2641d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 2642d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public void setAutoWhiteBalanceLock(boolean toggle) { 2643d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala set(KEY_AUTO_WHITEBALANCE_LOCK, toggle ? TRUE : FALSE); 2644d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 2645d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 2646d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 2647d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Gets the state of the auto-white balance lock. Applications should 2648d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * check {@link #isAutoWhiteBalanceLockSupported} before using this 2649d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * method. See {@link #setAutoWhiteBalanceLock} for details about the 2650d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * lock. 2651d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2652d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @return State of the auto-white balance lock. Returns true if 2653d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-white balance is currently locked, and false 2654d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * otherwise. The auto-white balance lock may be independently 2655d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * enabled by the camera subsystem when auto-focus has 2656d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * completed. This method can be used after the 2657d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} 2658d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * callback to determine if the camera has locked AWB. 2659d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2660d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 2661d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2662d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @hide 2663d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 2664d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public boolean getAutoWhiteBalanceLock() { 2665d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala String str = get(KEY_AUTO_WHITEBALANCE_LOCK); 2666d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala return TRUE.equals(str); 2667d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 2668d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 2669d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 2670d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Returns true if auto-white balance locking is supported. Applications 2671d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * should call this before trying to lock auto-white balance. See 2672d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #setAutoWhiteBalanceLock} for details about the lock. 2673d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2674d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @return true if auto-white balance lock is supported. 2675d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 2676d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2677d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @hide 2678d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 2679d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public boolean isAutoWhiteBalanceLockSupported() { 2680d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala String str = get(KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED); 2681d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala return TRUE.equals(str); 2682d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 2683d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 2684d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 268536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets current zoom value. This also works when smooth zoom is in 26868cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * progress. Applications should check {@link #isZoomSupported} before 26878cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * using this method. 268836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 268936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the current zoom value. The range is 0 to {@link 26908cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom}. 0 means the camera is not zoomed. 269136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 269236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getZoom() { 26938cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_ZOOM, 0); 269436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 269536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 269636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 26978cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Sets current zoom value. If the camera is zoomed (value > 0), the 26988cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * actual picture size may be smaller than picture size setting. 26998cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications can check the actual picture size after picture is 27008cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned from {@link PictureCallback}. The preview size remains the 27018cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * same in zoom. Applications should check {@link #isZoomSupported} 27028cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * before using this method. 270336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 270436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link #getMaxZoom}. 270536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 270636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public void setZoom(int value) { 27078cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li set(KEY_ZOOM, value); 270836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 270936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 271036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 271136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if zoom is supported. Applications should call this 271236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * before using other zoom methods. 271336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 271436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if zoom is supported. 271536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 271636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isZoomSupported() { 27178cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_ZOOM_SUPPORTED); 27188cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 271936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 272036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 272136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 272236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets the maximum zoom value allowed for snapshot. This is the maximum 272336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * value that applications can set to {@link #setZoom(int)}. 27248cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications should call {@link #isZoomSupported} before using this 27258cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * method. This value may change in different preview size. Applications 27268cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * should call this again after setting preview size. 272736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 272836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the maximum zoom value supported by the camera. 272936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 273036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getMaxZoom() { 27318cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_MAX_ZOOM, 0); 273236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 273336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 273436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 27358cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Gets the zoom ratios of all zoom values. Applications should check 27368cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * {@link #isZoomSupported} before using this method. 273736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 27388cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @return the zoom ratios in 1/100 increments. Ex: a zoom of 3.2x is 27398cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned as 320. The number of elements is {@link 27408cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom} + 1. The list is sorted from small to large. The 27418cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * first element is always 100. The last element is the zoom 27428cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * ratio of the maximum zoom value. 274336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 27448cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li public List<Integer> getZoomRatios() { 27458cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return splitInt(get(KEY_ZOOM_RATIOS)); 274636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 274736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 274836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 274936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if smooth zoom is supported. Applications should call 275036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this before using other smooth zoom methods. 275136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 275236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if smooth zoom is supported. 275336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 275436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isSmoothZoomSupported() { 27558cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_SMOOTH_ZOOM_SUPPORTED); 27568cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 275736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 275836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 2759e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 276032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the distances from the camera to where an object appears to be 2761e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * in focus. The object is sharpest at the optimal focus distance. The 276232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * depth of field is the far focus distance minus near focus distance.</p> 2763e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 276432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus distances may change after calling {@link 2765e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #autoFocus(AutoFocusCallback)}, {@link #cancelAutoFocus}, or {@link 2766e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #startPreview()}. Applications can call {@link #getParameters()} 2767e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * and this method anytime to get the latest focus distances. If the 2768d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * focus mode is FOCUS_MODE_CONTINUOUS_VIDEO, focus distances may change 276932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * from time to time.</p> 2770699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * 277132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>This method is intended to estimate the distance between the camera 2772699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * and the subject. After autofocus, the subject distance may be within 2773699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * near and far focus distance. However, the precision depends on the 2774699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * camera hardware, autofocus algorithm, the focus area, and the scene. 277532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * The error can be large and it should be only used as a reference.</p> 2776e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 277732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Far focus distance >= optimal focus distance >= near focus distance. 2778185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * If the focus distance is infinity, the value will be 277932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@code Float.POSITIVE_INFINITY}.</p> 2780e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 2781e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * @param output focus distances in meters. output must be a float 2782e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * array with three elements. Near focus distance, optimal focus 2783e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * distance, and far focus distance will be filled in the array. 2784185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_NEAR_INDEX 2785185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_OPTIMAL_INDEX 2786185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_FAR_INDEX 2787e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 2788e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public void getFocusDistances(float[] output) { 2789e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li if (output == null || output.length != 3) { 2790e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li throw new IllegalArgumentException( 2791e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li "output must be an float array with three elements."); 2792e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 2793454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitFloat(get(KEY_FOCUS_DISTANCES), output); 2794e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 2795e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 279630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 279730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Gets the maximum number of focus areas supported. This is the maximum 27987b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * length of the list in {@link #setFocusAreas(List)} and 27997b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * {@link #getFocusAreas()}. 280030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 280130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return the maximum number of focus areas supported by the camera. 280230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @see #getFocusAreas() 280330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 280430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public int getMaxNumFocusAreas() { 280530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return getInt(KEY_MAX_NUM_FOCUS_AREAS, 0); 280630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 280730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 280830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 280932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the current focus areas. Camera driver uses the areas to decide 281032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * focus.</p> 281130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 281232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Before using this API or {@link #setFocusAreas(List)}, apps should 28137b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * call {@link #getMaxNumFocusAreas()} to know the maximum number of 281432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * focus areas first. If the value is 0, focus area is not supported.</p> 281530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 281632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each focus area is a rectangle with specified weight. The direction 281730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * is relative to the sensor orientation, that is, what the sensor sees. 281830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * The direction is not affected by the rotation or mirroring of 281930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * {@link #setDisplayOrientation(int)}. Coordinates of the rectangle 282030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * range from -1000 to 1000. (-1000, -1000) is the upper left point. 2821bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * (1000, 1000) is the lower right point. The width and height of focus 282232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * areas cannot be 0 or negative.</p> 282330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 282432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000. The weight should be 28254e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * interpreted as a per-pixel weight - all pixels in the area have the 28264e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * specified weight. This means a small area with the same weight as a 28274e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * larger area will have less influence on the focusing than the larger 28284e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * area. Focus areas can partially overlap and the driver will add the 282932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * weights in the overlap region.</p> 283030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 283132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>A special case of a {@code null} focus area list means the driver is 283232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * free to select focus targets as it wants. For example, the driver may 283332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * use more signals to select focus areas and change them 283432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * dynamically. Apps can set the focus area list to {@code null} if they 283532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * want the driver to completely control focusing.</p> 283630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 283732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus areas are relative to the current field of view 283830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * ({@link #getZoom()}). No matter what the zoom level is, (-1000,-1000) 283930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * represents the top of the currently visible camera frame. The focus 284030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * area cannot be set to be outside the current field of view, even 284132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * when using zoom.</p> 284230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 284332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus area only has effect if the current focus mode is 284430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * {@link #FOCUS_MODE_AUTO}, {@link #FOCUS_MODE_MACRO}, or 284532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link #FOCUS_MODE_CONTINUOUS_VIDEO}.</p> 284630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 284730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return a list of current focus areas 284830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 284930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public List<Area> getFocusAreas() { 2850f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li return splitArea(get(KEY_FOCUS_AREAS)); 285130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 285230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 285330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 285430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Sets focus areas. See {@link #getFocusAreas()} for documentation. 285530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 28567b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * @param focusAreas the focus areas 285730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @see #getFocusAreas() 285830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 2859e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public void setFocusAreas(List<Area> focusAreas) { 2860e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li set(KEY_FOCUS_AREAS, focusAreas); 2861e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 2862e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 2863e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 2864e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * Gets the maximum number of metering areas supported. This is the 28657b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * maximum length of the list in {@link #setMeteringAreas(List)} and 28667b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * {@link #getMeteringAreas()}. 2867e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 2868e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @return the maximum number of metering areas supported by the camera. 2869e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @see #getMeteringAreas() 2870e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 2871e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public int getMaxNumMeteringAreas() { 2872e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li return getInt(KEY_MAX_NUM_METERING_AREAS, 0); 2873e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 2874e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 2875e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 287632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the current metering areas. Camera driver uses these areas to 287732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * decide exposure.</p> 2878e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 287932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Before using this API or {@link #setMeteringAreas(List)}, apps should 28807b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * call {@link #getMaxNumMeteringAreas()} to know the maximum number of 28817b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * metering areas first. If the value is 0, metering area is not 288232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * supported.</p> 2883e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 288432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each metering area is a rectangle with specified weight. The 2885e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * direction is relative to the sensor orientation, that is, what the 2886e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * sensor sees. The direction is not affected by the rotation or 2887e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * mirroring of {@link #setDisplayOrientation(int)}. Coordinates of the 2888e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * rectangle range from -1000 to 1000. (-1000, -1000) is the upper left 2889bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * point. (1000, 1000) is the lower right point. The width and height of 289032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * metering areas cannot be 0 or negative.</p> 2891e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 289232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000, and represents a weight for 28934e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * every pixel in the area. This means that a large metering area with 28944e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * the same weight as a smaller area will have more effect in the 28954e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * metering result. Metering areas can partially overlap and the driver 289632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * will add the weights in the overlap region.</p> 2897e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 289832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>A special case of a {@code null} metering area list means the driver 289932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * is free to meter as it chooses. For example, the driver may use more 290032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * signals to select metering areas and change them dynamically. Apps 290132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * can set the metering area list to {@code null} if they want the 290232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * driver to completely control metering.</p> 2903e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 290432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Metering areas are relative to the current field of view 2905e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * ({@link #getZoom()}). No matter what the zoom level is, (-1000,-1000) 2906e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * represents the top of the currently visible camera frame. The 2907e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * metering area cannot be set to be outside the current field of view, 290832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * even when using zoom.</p> 2909e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 291032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>No matter what metering areas are, the final exposure are compensated 291132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * by {@link #setExposureCompensation(int)}.</p> 2912e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 2913e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @return a list of current metering areas 2914e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 2915e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public List<Area> getMeteringAreas() { 2916e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li return splitArea(KEY_METERING_AREAS); 2917e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 2918e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 2919e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 2920e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * Sets metering areas. See {@link #getMeteringAreas()} for 2921e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * documentation. 2922e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 29237b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * @param meteringAreas the metering areas 2924e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @see #getMeteringAreas() 2925e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 2926e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public void setMeteringAreas(List<Area> meteringAreas) { 2927e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li set(KEY_METERING_AREAS, meteringAreas); 292830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 292930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 29309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of String. 29319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 29329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<String> split(String str) { 29339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 29349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 29359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Use StringTokenizer because it is faster than split. 29369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 29379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<String> substrings = new ArrayList<String>(); 29389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 29399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(tokenizer.nextToken()); 29409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 29419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 29429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 29439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 29449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Integer. 29459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 29469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Integer> splitInt(String str) { 29479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 29489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 29499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 29509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Integer> substrings = new ArrayList<Integer>(); 29519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 29529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String token = tokenizer.nextToken(); 29539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(Integer.parseInt(token)); 29549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 29559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (substrings.size() == 0) return null; 29569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 29579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 29589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 2959454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitInt(String str, int[] output) { 2960454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 2961454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2962454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 2963454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 2964454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li while (tokenizer.hasMoreElements()) { 2965454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String token = tokenizer.nextToken(); 2966454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Integer.parseInt(token); 2967454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2968454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2969454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2970e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Splits a comma delimited string to an ArrayList of Float. 2971454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitFloat(String str, float[] output) { 2972454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 2973e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 2974e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 2975454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 2976e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li while (tokenizer.hasMoreElements()) { 2977e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li String token = tokenizer.nextToken(); 2978454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Float.parseFloat(token); 2979e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 2980e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 2981e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 298224b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a float parameter. 298324b326a8978bf78e3e560723dde221792784325bWu-cheng Li private float getFloat(String key, float defaultValue) { 298424b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 298524b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Float.parseFloat(mMap.get(key)); 298624b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 298724b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 298824b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 298924b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 299024b326a8978bf78e3e560723dde221792784325bWu-cheng Li 299124b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a integer parameter. 299224b326a8978bf78e3e560723dde221792784325bWu-cheng Li private int getInt(String key, int defaultValue) { 299324b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 299424b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Integer.parseInt(mMap.get(key)); 299524b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 299624b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 299724b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 299824b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 299924b326a8978bf78e3e560723dde221792784325bWu-cheng Li 30009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Size. 30019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 30029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Size> splitSize(String str) { 30039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 30049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 30059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 30069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Size> sizeList = new ArrayList<Size>(); 30079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 30089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Size size = strToSize(tokenizer.nextToken()); 30099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (size != null) sizeList.add(size); 30109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 30119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (sizeList.size() == 0) return null; 30129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return sizeList; 30139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 30149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 30159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parses a string (ex: "480x320") to Size object. 30169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null. 30179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private Size strToSize(String str) { 30189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 30199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 30209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li int pos = str.indexOf('x'); 30219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (pos != -1) { 30229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String width = str.substring(0, pos); 30239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String height = str.substring(pos + 1); 30249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(Integer.parseInt(width), 30259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Integer.parseInt(height)); 30269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 30279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Log.e(TAG, "Invalid size parameter string=" + str); 30289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return null; 30299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 3030454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3031454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Splits a comma delimited string to an ArrayList of int array. 3032454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Example string: "(10000,26623),(10000,30000)". Return null if the 3033454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // passing string is null or the size is 0. 3034454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private ArrayList<int[]> splitRange(String str) { 3035454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null || str.charAt(0) != '(' 3036454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li || str.charAt(str.length() - 1) != ')') { 3037454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li Log.e(TAG, "Invalid range list string=" + str); 3038454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return null; 3039454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3040454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3041454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li ArrayList<int[]> rangeList = new ArrayList<int[]>(); 3042454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int endIndex, fromIndex = 1; 3043454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li do { 3044454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int[] range = new int[2]; 3045454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li endIndex = str.indexOf("),(", fromIndex); 3046454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 3047454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(str.substring(fromIndex, endIndex), range); 3048454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li rangeList.add(range); 3049454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li fromIndex = endIndex + 3; 3050454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } while (endIndex != str.length() - 1); 3051454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3052454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (rangeList.size() == 0) return null; 3053454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return rangeList; 3054454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 305530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 305630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li // Splits a comma delimited string to an ArrayList of Area objects. 305730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li // Example string: "(-10,-10,0,0,300),(0,0,10,10,700)". Return null if 3058f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li // the passing string is null or the size is 0 or (0,0,0,0,0). 305930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private ArrayList<Area> splitArea(String str) { 306030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (str == null || str.charAt(0) != '(' 306130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li || str.charAt(str.length() - 1) != ')') { 306230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Log.e(TAG, "Invalid area string=" + str); 306330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return null; 306430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 306530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 306630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li ArrayList<Area> result = new ArrayList<Area>(); 306730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li int endIndex, fromIndex = 1; 306830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li int[] array = new int[5]; 306930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li do { 307030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li endIndex = str.indexOf("),(", fromIndex); 307130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 307230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li splitInt(str.substring(fromIndex, endIndex), array); 307330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Rect rect = new Rect(array[0], array[1], array[2], array[3]); 307430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li result.add(new Area(rect, array[4])); 307530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li fromIndex = endIndex + 3; 307630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } while (endIndex != str.length() - 1); 307730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 307830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (result.size() == 0) return null; 3079f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li 3080f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (result.size() == 1) { 3081bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li Area area = result.get(0); 3082f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Rect rect = area.rect; 3083f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (rect.left == 0 && rect.top == 0 && rect.right == 0 3084f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li && rect.bottom == 0 && area.weight == 0) { 3085f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li return null; 3086f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 3087f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 3088f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li 308930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return result; 309030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 30919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 30929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3093