Camera.java revision dd0b16c26834d9a58b9865a467c7a26ea14482f3
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 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.lang.ref.WeakReference; 209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Liimport java.util.ArrayList; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.HashMap; 229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Liimport java.util.List; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.StringTokenizer; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.IOException; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.Surface; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.SurfaceHolder; 29a696f5d667227365da732481770767dcb330dd23Mathias Agopianimport android.graphics.ImageFormat; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Looper; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Message; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 35bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The Camera class is used to set image capture settings, start/stop preview, 36bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * snap pictures, and retrieve frames for encoding for video. This class is a 37bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * client for the Camera service, which manages the actual camera hardware. 38df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * 39bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To access the device camera, you must declare the 407478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * {@link android.Manifest.permission#CAMERA} permission in your Android 41df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * Manifest. Also be sure to include the 42df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 43bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * manifest element to declare camera features used by your application. 447478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * For example, if you use the camera and auto-focus feature, your Manifest 45df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * should include the following:</p> 46df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <pre> <uses-permission android:name="android.permission.CAMERA" /> 47df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <uses-feature android:name="android.hardware.camera" /> 48df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <uses-feature android:name="android.hardware.camera.autofocus" /></pre> 49df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * 50bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To take pictures with this class, use the following steps:</p> 51bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 52bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <ol> 53341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * <li>Obtain an instance of Camera from {@link #open(int)}. 54bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 55bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Get existing (default) settings with {@link #getParameters()}. 56bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 57bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If necessary, modify the returned {@link Camera.Parameters} object and call 58bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setParameters(Camera.Parameters)}. 59bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 60bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If desired, call {@link #setDisplayOrientation(int)}. 61bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 62bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important</b>: Pass a fully initialized {@link SurfaceHolder} to 63bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewDisplay(SurfaceHolder)}. Without a surface, the camera 64bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * will be unable to start the preview. 65bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 66bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important</b>: Call {@link #startPreview()} to start updating the 67bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * preview surface. Preview must be started before you can take a picture. 68bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 69bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>When you want, call {@link #takePicture(Camera.ShutterCallback, 70bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)} to 71bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * capture a photo. Wait for the callbacks to provide the actual image data. 72bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 73bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>After taking a picture, preview display will have stopped. To take more 74bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * photos, call {@link #startPreview()} again first. 75bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 76bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #stopPreview()} to stop updating the preview surface. 77bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 78bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important:</b> Call {@link #release()} to release the camera for 79bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * use by other applications. Applications should release the camera 80bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * immediately in {@link android.app.Activity#onPause()} (and re-{@link #open()} 81bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * it in {@link android.app.Activity#onResume()}). 82bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * </ol> 83bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 84bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To quickly switch to video recording mode, use these steps:</p> 85bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 86bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <ol> 87bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Obtain and initialize a Camera and start preview as described above. 88bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 89bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #unlock()} to allow the media process to access the camera. 90bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 91bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Pass the camera to {@link android.media.MediaRecorder#setCamera(Camera)}. 92bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * See {@link android.media.MediaRecorder} information about video recording. 93bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 94bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>When finished recording, call {@link #reconnect()} to re-acquire 95bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * and re-lock the camera. 96bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 97bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If desired, restart preview and take more photos or videos. 98bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 99bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #stopPreview()} and {@link #release()} as described above. 100bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * </ol> 101bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 102bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This class is not thread-safe, and is meant for use from one event thread. 103bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Most long-running operations (preview, focus, photo capture, etc) happen 104bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * asynchronously and invoke callbacks as necessary. Callbacks will be invoked 105341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * on the event thread {@link #open(int)} was called from. This class's methods 106bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * must never be called from multiple threads at once.</p> 107bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 108df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <p class="caution"><strong>Caution:</strong> Different Android-powered devices 109df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * may have different hardware specifications, such as megapixel ratings and 110df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * auto-focus capabilities. In order for your application to be compatible with 1117478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * more devices, you should not make assumptions about the device camera 112df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * specifications.</p> 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class Camera { 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String TAG = "Camera"; 1169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 117d2c2929c94bec68741b85f4174e11307fb65157fWu-cheng Li // These match the enums in frameworks/base/include/camera/Camera.h 118da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_ERROR = 0x001; 119da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_SHUTTER = 0x002; 120da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_FOCUS = 0x004; 121da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_ZOOM = 0x008; 122da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_PREVIEW_FRAME = 0x010; 123da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_VIDEO_FRAME = 0x020; 124da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_POSTVIEW_FRAME = 0x040; 125da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_RAW_IMAGE = 0x080; 126da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_COMPRESSED_IMAGE = 0x100; 127da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_ALL_MSGS = 0x1FF; 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mNativeContext; // accessed by native methods 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private EventHandler mEventHandler; 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ShutterCallback mShutterCallback; 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PictureCallback mRawImageCallback; 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PictureCallback mJpegCallback; 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PreviewCallback mPreviewCallback; 135e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks private PictureCallback mPostviewCallback; 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private AutoFocusCallback mAutoFocusCallback; 1373f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li private OnZoomChangeListener mZoomListener; 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ErrorCallback mErrorCallback; 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mOneShot; 14094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp private boolean mWithBuffer; 1419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 143341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Returns the number of physical cameras available on this device. 144e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang */ 145e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang public native static int getNumberOfCameras(); 146e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang 147e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang /** 148341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Returns the information about a particular camera. 149b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * If {@link #getNumberOfCameras()} returns N, the valid id is 0 to N-1. 150b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 151b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public native static void getCameraInfo(int cameraId, CameraInfo cameraInfo); 152b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 153b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 154b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * Information about a camera 155b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 156b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static class CameraInfo { 1577836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li /** 1587836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * The facing of the camera is opposite to that of the screen. 1597836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li */ 160b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static final int CAMERA_FACING_BACK = 0; 1617836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li 1627836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li /** 1637836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * The facing of the camera is the same as that of the screen. 1647836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li */ 165b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static final int CAMERA_FACING_FRONT = 1; 166b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 167b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 168b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * The direction that the camera faces to. It should be 169b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * CAMERA_FACING_BACK or CAMERA_FACING_FRONT. 170b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 1717836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li public int facing; 172b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 173b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 174b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * The orientation of the camera image. The value is the angle that the 175b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * camera image needs to be rotated clockwise so it shows correctly on 176b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * the display in its natural orientation. It should be 0, 90, 180, or 270. 177b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 1782fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * For example, suppose a device has a naturally tall screen. The 1792fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * back-facing camera sensor is mounted in landscape. You are looking at 1802fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the screen. If the top side of the camera sensor is aligned with the 1812fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the screen in natural orientation, the value should be 1822fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * 90. If the top side of a front-facing camera sensor is aligned with 1832fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the right of the screen, the value should be 270. 184b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 185b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * @see #setDisplayOrientation(int) 1862fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @see #setRotation(int) 1872fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * @see #setPreviewSize(int, int) 1882fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * @see #setPictureSize(int, int) 1892fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * @see #setJpegThumbnailSize(int, int) 190b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 1917836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li public int orientation; 192b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang }; 193b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 194b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 195341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Creates a new Camera object to access a particular hardware camera. 196bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 197bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>You must call {@link #release()} when you are done using the camera, 198bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * otherwise it will remain locked and be unavailable to other applications. 199bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 200341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * <p>Your application should only have one Camera object active at a time 201341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * for a particular hardware camera. 202bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 203bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callbacks from other methods are delivered to the event loop of the 204bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * thread which called open(). If this thread has no event loop, then 205bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callbacks are delivered to the main application event loop. If there 206bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is no main application event loop, callbacks are not delivered. 207bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 208bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p class="caution"><b>Caution:</b> On some devices, this method may 209bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * take a long time to complete. It is best to call this method from a 210bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * worker thread (possibly using {@link android.os.AsyncTask}) to avoid 211bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * blocking the main application UI thread. 212bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 213341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * @param cameraId the hardware camera to access, between 0 and 214a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * {@link #getNumberOfCameras()}-1. 215bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @return a new Camera object, connected, locked and ready for use. 216bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if connection to the camera service fails (for 217bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is in use by another process). 218e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang */ 219e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang public static Camera open(int cameraId) { 220e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang return new Camera(cameraId); 221e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang } 222e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang 223e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang /** 224a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * Creates a new Camera object to access the first back-facing camera on the 225a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * device. If the device does not have a back-facing camera, this returns 226a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * null. 2277836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * @see #open(int) 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static Camera open() { 230a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li int numberOfCameras = getNumberOfCameras(); 231a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li CameraInfo cameraInfo = new CameraInfo(); 232a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li for (int i = 0; i < numberOfCameras; i++) { 233a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li getCameraInfo(i, cameraInfo); 234a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li if (cameraInfo.facing == CameraInfo.CAMERA_FACING_BACK) { 235a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li return new Camera(i); 236a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li } 237a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li } 238a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li return null; 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 241e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang Camera(int cameraId) { 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = null; 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = null; 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = null; 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 246e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = null; 2473f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = null; 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Looper looper; 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((looper = Looper.myLooper()) != null) { 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((looper = Looper.getMainLooper()) != null) { 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = null; 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 258e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang native_setup(new WeakReference<Camera>(this), cameraId); 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 2619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li protected void finalize() { 2629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li native_release(); 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 265e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang private native final void native_setup(Object camera_this, int cameraId); 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_release(); 2679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Disconnects and releases the Camera object resources. 271bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 272bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>You must call this as soon as you're done with the Camera object.</p> 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public final void release() { 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_release(); 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 279bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unlocks the camera to allow another process to access it. 280bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Normally, the camera is locked to the process with an active Camera 281bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * object until {@link #release()} is called. To allow rapid handoff 282bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * between processes, you can call this method to release the camera 283bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * temporarily for another process to use; once the other process is done 284bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * you can call {@link #reconnect()} to reclaim the camera. 285bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 286bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This must be done before calling 287bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.media.MediaRecorder#setCamera(Camera)}. 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 289bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 291bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if the camera cannot be unlocked. 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 293bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor public native final void unlock(); 2949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 296bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Re-locks the camera to prevent other processes from accessing it. 297bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera objects are locked by default unless {@link #unlock()} is 298bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called. Normally {@link #reconnect()} is used instead. 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 300bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 301bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 302bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if the camera cannot be re-locked (for 303bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is still in use by another process). 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 305ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li public native final void lock(); 3069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 308bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Reconnects to the camera service after another process used it. 309bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * After {@link #unlock()} is called, another process may use the 310bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera; when the process is done, you must reconnect to the camera, 311bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * which will re-acquire the lock and allow you to continue using the 312bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera. 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 314bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This must be done after {@link android.media.MediaRecorder} is 315bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * done recording if {@link android.media.MediaRecorder#setCamera(Camera)} 316bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * was used. 317bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 318bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 319bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 320bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws IOException if a connection cannot be re-established (for 321bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is still in use by another process). 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 323bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor public native final void reconnect() throws IOException; 3249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 326bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Sets the {@link Surface} to be used for live preview. 327bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * A surface is necessary for preview, and preview is necessary to take 328bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * pictures. The same surface can be re-set without harm. 3299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 330bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The {@link SurfaceHolder} must already contain a surface when this 331bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method is called. If you are using {@link android.view.SurfaceView}, 332bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * you will need to register a {@link SurfaceHolder.Callback} with 333bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link SurfaceHolder#addCallback(SurfaceHolder.Callback)} and wait for 334bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link SurfaceHolder.Callback#surfaceCreated(SurfaceHolder)} before 335bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling setPreviewDisplay() or starting preview. 336bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 337bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method must be called before {@link #startPreview()}. The 338bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * one exception is that if the preview surface is not set (or set to null) 339bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * before startPreview() is called, then this method may be called once 340bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * with a non-null parameter to set the preview surface. (This allows 341bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera setup and surface creation to happen in parallel, saving time.) 342bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The preview surface may not otherwise change while preview is running. 3439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 344bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param holder containing the Surface on which to place the preview, 345bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to remove the preview surface 346bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws IOException if the method fails (for example, if the surface 347bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is unavailable or unsuitable). 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewDisplay(SurfaceHolder holder) throws IOException { 350b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li if (holder != null) { 351b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li setPreviewDisplay(holder.getSurface()); 352b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } else { 353b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li setPreviewDisplay((Surface)null); 354b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void setPreviewDisplay(Surface surface); 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 360bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to deliver copies of preview frames as 361bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * they are displayed. 362bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 363bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallback(Camera.PreviewCallback) 364bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setOneShotPreviewCallback(Camera.PreviewCallback) 365bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 366bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startPreview() 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PreviewCallback 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 371bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as preview frames are displayed. This callback is invoked 372341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * on the event thread {@link #open(int)} was called from. 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 374bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param data the contents of the preview frame in the format defined 375a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by {@link android.graphics.ImageFormat}, which can be queried 376df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * with {@link android.hardware.Camera.Parameters#getPreviewFormat()}. 377da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * If {@link android.hardware.Camera.Parameters#setPreviewFormat(int)} 3789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * is never called, the default will be the YCbCr_420_SP 3799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * (NV21) format. 380bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param camera the Camera service object. 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPreviewFrame(byte[] data, Camera camera); 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 3849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 386bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts capturing and drawing preview frames to the screen. 387bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Preview will not actually start until a surface is supplied with 388bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewDisplay(SurfaceHolder)}. 389bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 390bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If {@link #setPreviewCallback(Camera.PreviewCallback)}, 391bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(Camera.PreviewCallback)}, or 392bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallbackWithBuffer(Camera.PreviewCallback)} were 393bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called, {@link Camera.PreviewCallback#onPreviewFrame(byte[], Camera)} 394bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * will be called when preview data becomes available. 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final void startPreview(); 3979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 399bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops capturing and drawing preview frames to the surface, and 400bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * resets the camera for a future call to {@link #startPreview()}. 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final void stopPreview(); 4039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return current preview state. 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * FIXME: Unhide before release 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final boolean previewEnabled(); 4119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 413bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for every preview frame in addition 414bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to displaying them on the screen. The callback will be repeatedly called 415bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * for as long as preview is active. This method can be called at any time, 416bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * even while preview is live. Any other preview callbacks are overridden. 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 418bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of each preview frame, 419bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewCallback(PreviewCallback cb) { 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = cb; 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOneShot = false; 42494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 425a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Always use one-shot mode. We fake camera preview mode by 426a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // doing one-shot preview continuously. 42794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 431bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for the next preview frame in addition 432bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to displaying it on the screen. After one invocation, the callback is 433bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * cleared. This method can be called any time, even when preview is live. 434bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Any other preview callbacks are overridden. 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 436bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the next preview frame, 437bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setOneShotPreviewCallback(PreviewCallback cb) { 44094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 44194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = true; 44294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 44394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 44494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 44594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 44694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp private native final void setHasPreviewCallback(boolean installed, boolean manualBuffer); 44794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 44894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 449bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for every preview frame, using buffers 450bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * supplied with {@link #addCallbackBuffer(byte[])}, in addition to 451bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * displaying them on the screen. The callback will be repeatedly called 452bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * for as long as preview is active and buffers are available. 453bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Any other preview callbacks are overridden. 45494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 455bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The purpose of this method is to improve preview efficiency and frame 456bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * rate by allowing preview frame memory reuse. You must call 457bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #addCallbackBuffer(byte[])} at some point -- before or after 458bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling this method -- or no callbacks will received. 45994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 460bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The buffer queue will be cleared if this method is called with a null 461bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callback, {@link #setPreviewCallback(Camera.PreviewCallback)} is called, 462bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or {@link #setOneShotPreviewCallback(Camera.PreviewCallback)} is called. 46394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 464bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the preview frame, 465bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks and clear the buffer queue. 466bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #addCallbackBuffer(byte[]) 46794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 46894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp public final void setPreviewCallbackWithBuffer(PreviewCallback cb) { 46994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 47094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = false; 47194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = true; 47294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, true); 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 47594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 4763f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Adds a pre-allocated buffer to the preview callback buffer queue. 4773f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Applications can add one or more buffers to the queue. When a preview 478bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * frame arrives and there is still at least one available buffer, the 479bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * buffer will be used and removed from the queue. Then preview callback is 480bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * invoked with the buffer. If a frame arrives and there is no buffer left, 481bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the frame is discarded. Applications should add buffers back when they 482bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * finish processing the data in them. 483c10275abd6a494c93a025f683dde104a5d4f2793Wu-cheng Li * 484bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The size of the buffer is determined by multiplying the preview 485bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * image width, height, and bytes per pixel. The width and height can be 486bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * read from {@link Camera.Parameters#getPreviewSize()}. Bytes per pixel 487bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * can be computed from 488bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 8, 489bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * using the image format from {@link Camera.Parameters#getPreviewFormat()}. 49094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 491bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only necessary when 492bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallbackWithBuffer(PreviewCallback)} is used. When 493bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallback(PreviewCallback)} or 494bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(PreviewCallback)} are used, buffers 495bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * are automatically allocated. 49694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 497bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param callbackBuffer the buffer to add to the queue. 498bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The size should be width * height * bits_per_pixel / 8. 4995b9bcda3a26e9b1f9b1eff28a2be8853d69614f0Wu-cheng Li * @see #setPreviewCallbackWithBuffer(PreviewCallback) 50094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 50194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp public native final void addCallbackBuffer(byte[] callbackBuffer); 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class EventHandler extends Handler 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Camera mCamera; 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public EventHandler(Camera c, Looper looper) { 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(looper); 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCamera = c; 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(msg.what) { 515c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_SHUTTER: 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mShutterCallback != null) { 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback.onShutter(); 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 520c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks 521c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_RAW_IMAGE: 522e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mRawImageCallback != null) { 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback.onPictureTaken((byte[])msg.obj, mCamera); 524e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 527c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_COMPRESSED_IMAGE: 528e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mJpegCallback != null) { 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback.onPictureTaken((byte[])msg.obj, mCamera); 530e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 533c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_PREVIEW_FRAME: 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreviewCallback != null) { 535a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks PreviewCallback cb = mPreviewCallback; 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOneShot) { 537a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Clear the callback variable before the callback 538a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // in case the app calls setPreviewCallback from 539a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the callback function 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 54194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } else if (!mWithBuffer) { 542a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // We're faking the camera preview mode to prevent 543a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the app from being flooded with preview frames. 544a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Set to oneshot mode again. 54594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(true, false); 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 547a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks cb.onPreviewFrame((byte[])msg.obj, mCamera); 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 551e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_POSTVIEW_FRAME: 552e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mPostviewCallback != null) { 553e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback.onPictureTaken((byte[])msg.obj, mCamera); 554e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 555e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 556e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 557c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_FOCUS: 558e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mAutoFocusCallback != null) { 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback.onAutoFocus(msg.arg1 == 0 ? false : true, mCamera); 560e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 561e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 562e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 563e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_ZOOM: 5643f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li if (mZoomListener != null) { 5653f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener.onZoomChange(msg.arg1, msg.arg2 != 0, mCamera); 566e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 569c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_ERROR : 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error " + msg.arg1); 571e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mErrorCallback != null) { 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback.onError(msg.arg1, mCamera); 573e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Unknown message type " + msg.what); 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object camera_ref, 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Camera c = (Camera)((WeakReference)camera_ref).get(); 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == null) 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c.mEventHandler != null) { 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Message m = c.mEventHandler.obtainMessage(what, arg1, arg2, obj); 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.mEventHandler.sendMessage(m); 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 597bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to notify on completion of camera auto focus. 598bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 5997478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * <p>Devices that do not support auto-focus will receive a "fake" 6007478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * callback to this interface. If your application needs auto-focus and 601df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * should not be installed on devices <em>without</em> auto-focus, you must 602df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * declare that your app uses the 6037478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * {@code android.hardware.camera.autofocus} feature, in the 604df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 605df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 606bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 607bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(AutoFocusCallback) 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface AutoFocusCallback 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 612bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when the camera auto focus completes. If the camera does not 613bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * support auto-focus and autoFocus is called, onAutoFocus will be 614bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called immediately with success. 6159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param success true if focus was successful, false if otherwise 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onAutoFocus(boolean success, Camera camera); 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 623bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts camera auto-focus and registers a callback function to run when 624bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the camera is focused. This method is only valid when preview is active 625bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * (between {@link #startPreview()} and before {@link #stopPreview()}). 626bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 627bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callers should check 628bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.hardware.Camera.Parameters#getFocusMode()} to determine if 629bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this method should be called. If the camera does not support auto-focus, 630bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * it is a no-op and {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} 63136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * callback will be called immediately. 632bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 633da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If your application should not be installed 6347478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * on devices without auto-focus, you must declare that your application 6357478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * uses auto-focus with the 636df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 637df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 638bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 639068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * <p>If the current flash mode is not 640068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * {@link android.hardware.Camera.Parameters#FLASH_MODE_OFF}, flash may be 641bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * fired during auto-focus, depending on the driver and camera hardware.<p> 6427478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cb the callback to run 644bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #cancelAutoFocus() 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void autoFocus(AutoFocusCallback cb) 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback = cb; 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_autoFocus(); 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_autoFocus(); 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 654bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Cancels any auto-focus function in progress. 655bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Whether or not auto-focus is currently in progress, 656bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this function will return the focus position to the default. 657244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang * If the camera does not support auto-focus, this is a no-op. 658bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 659bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(Camera.AutoFocusCallback) 660244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang */ 661244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang public final void cancelAutoFocus() 662244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang { 663244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang mAutoFocusCallback = null; 664244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang native_cancelAutoFocus(); 665244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang } 666244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang private native final void native_cancelAutoFocus(); 667244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang 668244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang /** 669bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to signal the moment of actual image capture. 670bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 671bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ShutterCallback 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 676bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as near as possible to the moment when a photo is captured 677bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * from the sensor. This is a good opportunity to play a shutter sound 678bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or give other feedback of camera operation. This may be some time 679bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * after the photo was triggered, but some time before the actual data 680bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is available. 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onShutter(); 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 686bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to supply image data from a photo capture. 687bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 688bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PictureCallback { 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 692bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when image data is available after a picture is taken. 693bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The format of the data depends on the context of the callback 694bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * and {@link Camera.Parameters} settings. 6959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param data a byte array of the picture data 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPictureTaken(byte[] data, Camera camera); 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 703bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Equivalent to takePicture(shutter, raw, null, jpeg). 7049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 705bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void takePicture(ShutterCallback shutter, PictureCallback raw, 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PictureCallback jpeg) { 709e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks takePicture(shutter, raw, null, jpeg); 710e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 711e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks private native final void native_takePicture(); 712e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 713e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 7149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Triggers an asynchronous image capture. The camera service will initiate 7159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * a series of callbacks to the application as the image capture progresses. 7169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The shutter callback occurs after the image is captured. This can be used 7179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to trigger a sound to let the user know that image has been captured. The 7189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * raw callback occurs when the raw image data is available (NOTE: the data 7199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * may be null if the hardware does not have enough memory to make a copy). 7209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The postview callback occurs when a scaled, fully processed postview 7219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * image is available (NOTE: not all hardware supports this). The jpeg 7229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * callback occurs when the compressed image is available. If the 7239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * application does not need a particular callback, a null can be passed 7249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * instead of a callback method. 725e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * 726bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only valid when preview is active (after 727bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #startPreview()}). Preview will be stopped after the image is 728bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * taken; callers must call {@link #startPreview()} again if they want to 729bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * re-start preview or take more pictures. 73040057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 731bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>After calling this method, you must not call {@link #startPreview()} 732bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or take another picture until the JPEG callback has returned. 73340057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 734bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param shutter the callback for image capture moment, or null 735bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param raw the callback for raw (uncompressed) image data, or null 736e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param postview callback with postview image data, may be null 737bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param jpeg the callback for JPEG image data, or null 738e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 739e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks public final void takePicture(ShutterCallback shutter, PictureCallback raw, 740e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks PictureCallback postview, PictureCallback jpeg) { 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = shutter; 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = raw; 743e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = postview; 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = jpeg; 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_takePicture(); 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 748e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 749bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Zooms to the requested value smoothly. The driver will notify {@link 7503f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} of the zoom value and whether zoom is stopped at 7513f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * the time. For example, suppose the current zoom is 0 and startSmoothZoom 752bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with value 3. The 753bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.OnZoomChangeListener#onZoomChange(int, boolean, Camera)} 754bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method will be called three times with zoom values 1, 2, and 3. 755bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications can call {@link #stopSmoothZoom} to stop the zoom earlier. 756bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications should not call startSmoothZoom again or change the zoom 757bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * value before zoom stops. If the supplied zoom value equals to the current 758bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * zoom value, no zoom callback will be generated. This method is supported 759bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * if {@link android.hardware.Camera.Parameters#isSmoothZoomSupported} 760bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * returns true. 76136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 76236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link 76336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * android.hardware.Camera.Parameters#getMaxZoom}. 7640ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws IllegalArgumentException if the zoom value is invalid. 7650ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 766bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 76736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 76836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void startSmoothZoom(int value); 76936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 77036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 771bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops the smooth zoom. Applications should wait for the {@link 7723f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} to know when the zoom is actually stopped. This 7733f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * method is supported if {@link 7748cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * android.hardware.Camera.Parameters#isSmoothZoomSupported} is true. 7750ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * 7760ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 77736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 77836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void stopSmoothZoom(); 77936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 78036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 7812fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Set the clockwise rotation of preview display in degrees. This affects 7822fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the preview frames and the picture displayed after snapshot. This method 7832fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * is useful for portrait mode applications. Note that preview display of 784b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * front-facing cameras is flipped horizontally before the rotation, that 785b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * is, the image is reflected along the central vertical axis of the camera 786b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * sensor. So the users can see themselves as looking into a mirror. 787d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 7882fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * This does not affect the order of byte array passed in {@link 7892fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * PreviewCallback#onPreviewFrame}, JPEG pictures, or recorded videos. This 7902fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * method is not allowed to be called during preview. 791d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 792b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * If you want to make the camera image show in the same orientation as 793724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * the display, you can use the following code.<p> 794b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * <pre> 795724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * public static void setCameraDisplayOrientation(Activity activity, 796724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int cameraId, android.hardware.Camera camera) { 797724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.CameraInfo info = 798724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * new android.hardware.Camera.CameraInfo(); 799724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.getCameraInfo(cameraId, info); 800724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int rotation = activity.getWindowManager().getDefaultDisplay() 801724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * .getRotation(); 802724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int degrees = 0; 803724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * switch (rotation) { 804724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_0: degrees = 0; break; 805724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_90: degrees = 90; break; 806724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_180: degrees = 180; break; 807724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_270: degrees = 270; break; 808724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 809b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 8102fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int result; 8112fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) { 8122fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation + degrees) % 360; 8132fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (360 - result) % 360; // compensate the mirror 8142fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing 8152fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation - degrees + 360) % 360; 8162fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 817724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * camera.setDisplayOrientation(result); 818724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 819b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * </pre> 820d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * @param degrees the angle that the picture will be rotated clockwise. 821e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * Valid values are 0, 90, 180, and 270. The starting 822e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * position is 0 (landscape). 8232fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * @see #setPreviewDisplay(SurfaceHolder) 824d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang */ 825d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang public native final void setDisplayOrientation(int degrees); 826d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang 827d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang /** 828bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for zoom changes during a smooth zoom operation. 829bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 830bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 831bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startSmoothZoom(int) 832e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 8333f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public interface OnZoomChangeListener 834e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 835e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 836bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when the zoom value has changed during a smooth zoom. 83736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 83836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param zoomValue the current zoom value. In smooth zoom mode, camera 8393f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * calls this for every new zoom value. 84036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param stopped whether smooth zoom is stopped. If the value is true, 84136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this is the last zoom update for the application. 842e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param camera the Camera service object 843e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 8443f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li void onZoomChange(int zoomValue, boolean stopped, Camera camera); 845e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks }; 846e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 847e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 8483f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Registers a listener to be notified when the zoom value is updated by the 84936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * camera driver during smooth zoom. 8508cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * 8513f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param listener the listener to notify 8528cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @see #startSmoothZoom(int) 853e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 8543f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public final void setZoomChangeListener(OnZoomChangeListener listener) 855e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 8563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = listener; 857e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 8589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 859bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor // Error codes match the enum in include/ui/Camera.h 860bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 861bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 862bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unspecified camera error. 863bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 864bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_UNKNOWN = 1; 866bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 867bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 868bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Media server died. In this case, the application must release the 869bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera object and instantiate a new one. 870bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 871bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_SERVER_DIED = 100; 8739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 875bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for camera error notification. 876bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 877bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setErrorCallback(ErrorCallback) 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ErrorCallback 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback for camera errors. 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param error error code: 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_UNKNOWN} 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_SERVER_DIED} 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onError(int error, Camera camera); 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Registers a callback to be invoked when an error occurs. 895bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb The callback to run 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setErrorCallback(ErrorCallback cb) 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback = cb; 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_setParameters(String params); 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final String native_getParameters(); 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 906bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Changes the settings for this Camera service. 9079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the Parameters to use for this Camera service 90999a3f3e4e06b4370101ca97cc11dbe81d772fefaWu-cheng Li * @throws RuntimeException if any parameter is invalid or not supported. 910bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #getParameters() 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setParameters(Parameters params) { 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setParameters(params.flatten()); 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 917bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Returns the current settings for this Camera service. 918bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * If modifications are made to the returned Parameters, they must be passed 919bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to {@link #setParameters(Camera.Parameters)} to take effect. 920bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 921bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setParameters(Camera.Parameters) 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Parameters getParameters() { 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parameters p = new Parameters(); 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = native_getParameters(); 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.unflatten(s); 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p; 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 931bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Image size (width and height dimensions). 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Size { 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the dimensions for pictures. 9369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param w the photo width (pixels) 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param h the photo height (pixels) 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size(int w, int h) { 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project width = w; 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = h; 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9444c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 9454c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Compares {@code obj} to this size. 9464c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 9474c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @param obj the object to compare this size with. 9484c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @return {@code true} if the width and height of {@code obj} is the 9494c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * same as those of this size. {@code false} otherwise. 9504c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 9514c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 9524c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public boolean equals(Object obj) { 9534c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li if (!(obj instanceof Size)) { 9544c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return false; 9554c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 9564c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li Size s = (Size) obj; 9574c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width == s.width && height == s.height; 9584c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 9594c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 9604c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public int hashCode() { 9614c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width * 32713 + height; 9624c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** width of the picture */ 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int width; 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** height of the picture */ 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int height; 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 970bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera service settings. 9719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 9729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>To make camera parameters take effect, applications have to call 973bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera#setParameters(Camera.Parameters)}. For example, after 974bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#setWhiteBalance} is called, white balance is not 975bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * actually changed until {@link Camera#setParameters(Camera.Parameters)} 976bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with the changed parameters object. 9779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 9789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>Different devices may have different camera capabilities, such as 9799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * picture size or flash modes. The application should query the camera 9809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * capabilities before setting parameters. For example, the application 981bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * should call {@link Camera.Parameters#getSupportedColorEffects()} before 982bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling {@link Camera.Parameters#setColorEffect(String)}. If the 983bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera does not support color effects, 984bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#getSupportedColorEffects()} will return null. 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Parameters { 9879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter keys to communicate with the camera driver. 9889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_SIZE = "preview-size"; 9899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FORMAT = "preview-format"; 9909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FRAME_RATE = "preview-frame-rate"; 991454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private static final String KEY_PREVIEW_FPS_RANGE = "preview-fps-range"; 9929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_SIZE = "picture-size"; 9939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_FORMAT = "picture-format"; 9944c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_SIZE = "jpeg-thumbnail-size"; 9959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_WIDTH = "jpeg-thumbnail-width"; 9969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_HEIGHT = "jpeg-thumbnail-height"; 9979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_QUALITY = "jpeg-thumbnail-quality"; 9989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_QUALITY = "jpeg-quality"; 9999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ROTATION = "rotation"; 10009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LATITUDE = "gps-latitude"; 10019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LONGITUDE = "gps-longitude"; 10029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_ALTITUDE = "gps-altitude"; 10039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_TIMESTAMP = "gps-timestamp"; 1004055c986ab841f8f758398841730f1e90313b132aRay Chen private static final String KEY_GPS_PROCESSING_METHOD = "gps-processing-method"; 10059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_WHITE_BALANCE = "whitebalance"; 10069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_EFFECT = "effect"; 10079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ANTIBANDING = "antibanding"; 10089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_SCENE_MODE = "scene-mode"; 10099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_FLASH_MODE = "flash-mode"; 101036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li private static final String KEY_FOCUS_MODE = "focus-mode"; 10116c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_FOCAL_LENGTH = "focal-length"; 10126c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_HORIZONTAL_VIEW_ANGLE = "horizontal-view-angle"; 10136c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_VERTICAL_VIEW_ANGLE = "vertical-view-angle"; 1014ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION = "exposure-compensation"; 101524b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MAX_EXPOSURE_COMPENSATION = "max-exposure-compensation"; 101624b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MIN_EXPOSURE_COMPENSATION = "min-exposure-compensation"; 101724b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION_STEP = "exposure-compensation-step"; 10188cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM = "zoom"; 10198cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_MAX_ZOOM = "max-zoom"; 10208cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_RATIOS = "zoom-ratios"; 10218cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_SUPPORTED = "zoom-supported"; 10228cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_SMOOTH_ZOOM_SUPPORTED = "smooth-zoom-supported"; 1023e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li private static final String KEY_FOCUS_DISTANCES = "focus-distances"; 1024dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_VIDEO_SIZE = "video-size"; 1025dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO = 1026dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong "preferred-preview-size-for-video"; 1027e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 10289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter key suffix for supported values. 10299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String SUPPORTED_VALUES_SUFFIX = "-values"; 10309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 10318cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String TRUE = "true"; 10328cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li 10339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for white balance settings. 10349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_AUTO = "auto"; 10359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_INCANDESCENT = "incandescent"; 10369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_FLUORESCENT = "fluorescent"; 10379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_WARM_FLUORESCENT = "warm-fluorescent"; 10389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_DAYLIGHT = "daylight"; 10399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_CLOUDY_DAYLIGHT = "cloudy-daylight"; 10409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_TWILIGHT = "twilight"; 10419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_SHADE = "shade"; 10429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 10439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for color effect settings. 10449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NONE = "none"; 10459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_MONO = "mono"; 10469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NEGATIVE = "negative"; 10479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SOLARIZE = "solarize"; 10489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SEPIA = "sepia"; 10499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_POSTERIZE = "posterize"; 10509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_WHITEBOARD = "whiteboard"; 10519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_BLACKBOARD = "blackboard"; 10529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_AQUA = "aqua"; 10539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 10549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for antibanding settings. 10559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_AUTO = "auto"; 10569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_50HZ = "50hz"; 10579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_60HZ = "60hz"; 10589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_OFF = "off"; 10599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 10609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for flash mode settings. 10619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 10629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will not be fired. 10639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 10649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_OFF = "off"; 106536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 10669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1067068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will be fired automatically when required. The flash may be fired 1068068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * during preview, auto-focus, or snapshot depending on the driver. 10699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 10709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_AUTO = "auto"; 107136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 10729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1073068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will always be fired during snapshot. The flash may also be 1074068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * fired during preview or auto-focus depending on the driver. 10759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 10769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_ON = "on"; 107736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 10789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 10799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will be fired in red-eye reduction mode. 10809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 10819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_RED_EYE = "red-eye"; 108236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 108336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1084068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Constant emission of light during preview, auto-focus and snapshot. 1085068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * This can also be used for video recording. 108636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 1087068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li public static final String FLASH_MODE_TORCH = "torch"; 10889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 108900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 109000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Scene mode is off. 109100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 10929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_AUTO = "auto"; 109300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 109400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 109500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 109600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_SPORTS}. 109700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 10989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_ACTION = "action"; 109900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 110000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 110100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures. 110200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PORTRAIT = "portrait"; 110400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 110500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 110600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on distant objects. 110700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_LANDSCAPE = "landscape"; 110900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 111000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 111100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos at night. 111200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT = "night"; 111400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 111500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 111600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures at night. 111700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT_PORTRAIT = "night-portrait"; 111900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 112000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 112100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos in a theater. Flash light is off. 112200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_THEATRE = "theatre"; 112400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 112500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 112600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the beach. 112700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_BEACH = "beach"; 112900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 113000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 113100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the snow. 113200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SNOW = "snow"; 113400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 113500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 113600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take sunset photos. 113700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SUNSET = "sunset"; 113900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 114000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 114100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Avoid blurry pictures (for example, due to hand shake). 114200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_STEADYPHOTO = "steadyphoto"; 114400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 114500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 114600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * For shooting firework displays. 114700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_FIREWORKS = "fireworks"; 114900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 115000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 115100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 115200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_ACTION}. 115300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SPORTS = "sports"; 115500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 115600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 115700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take indoor low-light shot. 115800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PARTY = "party"; 116000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 116100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 116200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Capture the naturally warm color of scenes lit by candles. 116300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_CANDLELIGHT = "candlelight"; 11659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1166c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1167c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Applications are looking for a barcode. Camera driver will be 1168c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * optimized for barcode reading. 1169c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1170c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String SCENE_MODE_BARCODE = "barcode"; 1171c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 117236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1173f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Auto-focus mode. Applications should call {@link 1174f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus in this mode. 117536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 117636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_AUTO = "auto"; 117736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 117836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 117936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is set at infinity. Applications should not call 118036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} in this mode. 118136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 118236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_INFINITY = "infinity"; 1183f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li 1184f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li /** 1185f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Macro (close-up) focus mode. Applications should call 1186f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} to start the focus in this 1187f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * mode. 1188f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li */ 118936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_MACRO = "macro"; 119036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 119136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 119236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is fixed. The camera is always in this mode if the focus is not 119336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * adjustable. If the camera has auto-focus, this mode can fix the 119436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * focus, which is usually at hyperfocal distance. Applications should 119536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * not call {@link #autoFocus(AutoFocusCallback)} in this mode. 119636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 119736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_FIXED = "fixed"; 119836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 1199c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1200c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Extended depth of field (EDOF). Focusing is done digitally and 1201c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * continuously. Applications should not call {@link 1202c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode. 1203c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1204c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String FOCUS_MODE_EDOF = "edof"; 1205c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 1206699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li /** 1207d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Continuous auto focus mode intended for video recording. The camera 1208d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * continuously tries to focus. This is ideal for shooting video. 1209d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Applications still can call {@link 1210d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * #takePicture(Camera.ShutterCallback, Camera.PictureCallback, 1211d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Camera.PictureCallback)} in this mode but the subject may not be in 1212d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * focus. Auto focus starts when the parameter is set. Applications 1213d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * should not call {@link #autoFocus(AutoFocusCallback)} in this mode. 1214d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * To stop continuous focus, applications should change the focus mode 1215d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * to other modes. 1216d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li */ 1217d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li public static final String FOCUS_MODE_CONTINUOUS_VIDEO = "continuous-video"; 1218699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li 1219e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Indices for focus distance array. 1220e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1221e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of near focus distance for use with 1222e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1223e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1224e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_NEAR_INDEX = 0; 1225e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1226e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1227e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of optimal focus distance for use with 1228e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1229e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1230e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_OPTIMAL_INDEX = 1; 1231e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1232e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1233e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of far focus distance for use with 1234e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1235e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1236e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_FAR_INDEX = 2; 1237e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1238ca099614841bc619f217dfa088da630a7eb1ab65Wu-cheng Li /** 1239454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of minimum preview fps for use with {@link 1240454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1241454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1242454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1243454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MIN_INDEX = 0; 1244454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1245454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1246454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of maximum preview fps for use with {@link 1247454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1248454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1249454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1250454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MAX_INDEX = 1; 1251454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 12529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Formats for setPreviewFormat and setPictureFormat. 12539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV422SP = "yuv422sp"; 12549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV420SP = "yuv420sp"; 1255eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang private static final String PIXEL_FORMAT_YUV422I = "yuv422i-yuyv"; 12569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_RGB565 = "rgb565"; 12579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_JPEG = "jpeg"; 12589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private HashMap<String, String> mMap; 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Parameters() { 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap = new HashMap<String, String>(); 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Writes the current Parameters to the log. 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dump() { 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: size=" + mMap.size()); 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: " + k + "=" + mMap.get(k)); 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a single string with all the parameters set in 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #unflatten(String)} method does the reverse.</p> 12819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a String with all values from this Parameters object, in 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * semi-colon delimited key-value pairs 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String flatten() { 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder flattened = new StringBuilder(); 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(k); 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append("="); 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(mMap.get(k)); 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(";"); 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // chop off the extra semicolon at the end 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.deleteCharAt(flattened.length()-1); 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return flattened.toString(); 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Takes a flattened string of parameters and adds each one to 13009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 13019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #flatten()} method does the reverse.</p> 13029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 13039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param flattened a String of parameters (key-value paired) that 13049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are semi-colon delimited 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void unflatten(String flattened) { 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.clear(); 13089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringTokenizer tokenizer = new StringTokenizer(flattened, ";"); 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (tokenizer.hasMoreElements()) { 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String kv = tokenizer.nextToken(); 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pos = kv.indexOf('='); 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pos == -1) { 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String k = kv.substring(0, pos); 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = kv.substring(pos + 1); 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(k, v); 13199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void remove(String key) { 13239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.remove(key); 13249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a String parameter. 13289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 13299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the String value of the parameter 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, String value) { 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (key.indexOf('=') != -1 || key.indexOf(';') != -1) { 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Key \"" + key + "\" contains invalid character (= or ;)"); 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value.indexOf('=') != -1 || value.indexOf(';') != -1) { 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Value \"" + value + "\" contains invalid character (= or ;)"); 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, value); 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets an integer parameter. 13479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the int value of the parameter 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, int value) { 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, Integer.toString(value)); 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of a String parameter. 13579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the String value of the parameter 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String get(String key) { 13629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMap.get(key); 13639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of an integer parameter. 13679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the int value of the parameter 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getInt(String key) { 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Integer.parseInt(mMap.get(key)); 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the dimensions for preview pictures. 13779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1378c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * The sides of width and height are based on camera orientation. That 1379c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * is, the preview size is the size before it is rotated by display 1380c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation. So applications need to consider the display orientation 1381c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * while setting preview size. For example, suppose the camera supports 1382c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * both 480x320 and 320x480 preview sizes. The application wants a 3:2 1383c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * preview ratio. If the display orientation is set to 0 or 180, preview 1384c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * size should be set to 480x320. If the display orientation is set to 1385c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 90 or 270, preview size should be set to 320x480. The display 1386c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation should also be considered while setting picture size and 1387c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * thumbnail size. 1388c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the pictures, in pixels 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the pictures, in pixels 1391c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setDisplayOrientation(int) 1392c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #getCameraInfo(int, CameraInfo) 1393c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPictureSize(int, int) 1394c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setJpegThumbnailSize(int, int) 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewSize(int width, int height) { 13979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 13989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_SIZE, v); 13999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimensions setting for preview pictures. 14039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1404dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a Size object with the width and height setting 14059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for the preview picture 14069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPreviewSize() { 14089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PREVIEW_SIZE); 14099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 14109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 14119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 14139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview sizes. 14149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14153f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 14169c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li * with at least one element. 14179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 14189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPreviewSizes() { 14199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_SIZE + SUPPORTED_VALUES_SUFFIX); 14209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 14219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1424dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * Gets the supported video frame sizes that can be used by 1425dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * MediaRecorder. 1426dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 1427dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * If the returned list is not null, the returned list will contain at 1428dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * least one Size and one of the sizes in the returned list must be 1429dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * passed to MediaRecorder.setVideoSize() for camcorder application if 1430dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * camera is used as the video source. In this case, the size of the 1431dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview can be different from the resolution of the recorded video 1432dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * during video recording. 1433dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 1434dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a list of Size object if camera has separate preview and 1435dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video output; otherwise, null is returned. 1436dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getPreferredPreviewSizeForVideo() 1437dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 1438dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public List<Size> getSupportedVideoSizes() { 1439dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String str = get(KEY_VIDEO_SIZE + SUPPORTED_VALUES_SUFFIX); 1440dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return splitSize(str); 1441dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 1442dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 1443dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 1444dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * Returns the preferred or recommended preview size (width and height) 1445dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * in pixels for video recording. Camcorder applications should 1446dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * set the preview size to a value that is not larger than the 1447dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preferred preview size. In other words, the product of the width 1448dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * and height of the preview size should not be larger than that of 1449dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * the preferred preview size. In addition, we recommend to choose a 1450dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview size that has the same aspect ratio as the resolution of 1451dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video to be recorded. 1452dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 1453dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return the preferred preview size (width and height) in pixels for 1454dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video recording if getSupportedVideoSizes() does not return 1455dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * null; otherwise, null is returned. 1456dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getSupportedVideoSizes() 1457dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 1458dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public Size getPreferredPreviewSizeForVideo() { 1459dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String pair = get(KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO); 1460dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return strToSize(pair); 1461dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 1462dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 1463dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 14644c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Sets the dimensions for EXIF thumbnail in Jpeg picture. If 14654c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * applications set both width and height to 0, EXIF will not contain 14664c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * thumbnail. 14679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1468c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * Applications need to consider the display orientation. See {@link 1469c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * #setPreviewSize(int,int)} for reference. 1470c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 14719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the thumbnail, in pixels 14729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the thumbnail, in pixels 1473c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 14749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 14759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailSize(int width, int height) { 14769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_WIDTH, width); 14779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_HEIGHT, height); 14789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 14799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 14809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 14819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the dimensions for EXIF thumbnail in Jpeg picture. 14829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting for the EXIF 14849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * thumbnails 14859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public Size getJpegThumbnailSize() { 14879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(getInt(KEY_JPEG_THUMBNAIL_WIDTH), 14889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li getInt(KEY_JPEG_THUMBNAIL_HEIGHT)); 14899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14924c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Gets the supported jpeg thumbnail sizes. 14934c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 14943f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 14954c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * with at least two elements. Size 0,0 (no thumbnail) is always 14964c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * supported. 14974c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 14984c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public List<Size> getSupportedJpegThumbnailSizes() { 14994c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li String str = get(KEY_JPEG_THUMBNAIL_SIZE + SUPPORTED_VALUES_SUFFIX); 15004c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return splitSize(str); 15014c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 15024c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li 15034c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 15049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the quality of the EXIF thumbnail in Jpeg picture. 15059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of the EXIF thumbnail. The range is 1 15079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailQuality(int quality) { 15109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_QUALITY, quality); 15119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the EXIF thumbnail in Jpeg picture. 15159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG quality setting of the EXIF thumbnail. 15179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegThumbnailQuality() { 15199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_THUMBNAIL_QUALITY); 15209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets Jpeg quality of captured picture. 15249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of captured picture. The range is 1 15269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 15279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 15289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegQuality(int quality) { 15299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_QUALITY, quality); 15309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 15319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 15329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 15339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the JPEG picture. 15349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 15359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG picture quality setting. 15369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegQuality() { 15389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_QUALITY); 15399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1542a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Sets the rate at which preview frames are received. This is the 1543a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * target frame rate. The actual frame rate depends on the driver. 15449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 15459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fps the frame rate (frames per second) 15465f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #setPreviewFpsRange(int,int)} 15479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15485f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 15499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFrameRate(int fps) { 15509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FRAME_RATE, fps); 15519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1554a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Returns the setting for the rate at which preview frames are 1555a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * received. This is the target frame rate. The actual frame rate 1556a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * depends on the driver. 15579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 15589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the frame rate setting (frames per second) 15595f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getPreviewFpsRange(int[])} 15609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15615f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 15629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFrameRate() { 15639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_PREVIEW_FRAME_RATE); 15649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 15659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 15669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 15679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview frame rates. 15689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 15693f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview frame rates. null if preview 15703f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * frame rate setting is not supported. 15715f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getSupportedPreviewFpsRange()} 15729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 15735f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 15749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFrameRates() { 15759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FRAME_RATE + SUPPORTED_VALUES_SUFFIX); 15769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitInt(str); 15779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1580454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Sets the maximum and maximum preview fps. This controls the rate of 15811620d118a49dc6df7b0e83d7343f8a8bb6e23b12Wu-cheng Li * preview frames received in {@link PreviewCallback}. The minimum and 1582454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum preview fps must be one of the elements from {@link 1583454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange}. 1584454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 1585454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param min the minimum preview fps (scaled by 1000). 1586454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param max the maximum preview fps (scaled by 1000). 1587454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @throws RuntimeException if fps range is invalid. 1588454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 1589454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 1590454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1591454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void setPreviewFpsRange(int min, int max) { 1592454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li set(KEY_PREVIEW_FPS_RANGE, "" + min + "," + max); 1593454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 1594454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1595454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1596454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Returns the current minimum and maximum preview fps. The values are 1597454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * one of the elements returned by {@link #getSupportedPreviewFpsRange}. 1598454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 1599454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return range the minimum and maximum preview fps (scaled by 1000). 1600454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 1601454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 1602454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 1603454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1604454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void getPreviewFpsRange(int[] range) { 1605454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (range == null || range.length != 2) { 1606454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li throw new IllegalArgumentException( 16075f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li "range must be an array with two elements."); 1608454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 1609454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(get(KEY_PREVIEW_FPS_RANGE), range); 1610454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 1611454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1612454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1613454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Gets the supported preview fps (frame-per-second) ranges. Each range 1614454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * contains a minimum fps and maximum fps. If minimum fps equals to 1615454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum fps, the camera outputs frames in fixed frame rate. If not, 1616454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * the camera outputs frames in auto frame rate. The actual frame rate 1617454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * fluctuates between the minimum and the maximum. The values are 1618454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * multiplied by 1000 and represented in integers. For example, if frame 1619454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * rate is 26.623 frames per second, the value is 26623. 1620454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 1621454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return a list of supported preview fps ranges. This method returns a 1622454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * list with at least one element. Every element is an int array 1623454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * of two values - minimum fps and maximum fps. The list is 1624454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * sorted from small to large (first by maximum fps and then 1625454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * minimum fps). 1626454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 1627454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 1628454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1629454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public List<int[]> getSupportedPreviewFpsRange() { 1630454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String str = get(KEY_PREVIEW_FPS_RANGE + SUPPORTED_VALUES_SUFFIX); 1631454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return splitRange(str); 1632454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 1633454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1634454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 16357478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * Sets the image format for preview pictures. 1636da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If this is never called, the default format will be 1637a696f5d667227365da732481770767dcb330dd23Mathias Agopian * {@link android.graphics.ImageFormat#NV21}, which 1638df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * uses the NV21 encoding format.</p> 16397478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 1640df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * @param pixel_format the desired preview picture format, defined 1641a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by one of the {@link android.graphics.ImageFormat} constants. 1642a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (E.g., <var>ImageFormat.NV21</var> (default), 1643a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 1644a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 1645a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 16469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFormat(int pixel_format) { 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 16499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 16509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 16519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 16529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FORMAT, s); 16559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16583f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Returns the image format for preview frames got from 16599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * {@link PreviewCallback}. 16607478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 16613f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the preview format. 16623f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 16639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFormat() { 16659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PREVIEW_FORMAT)); 16669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 16679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 16689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 16699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview formats. 16709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 16713f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview formats. This method will always 16723f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 16733f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 16749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFormats() { 16769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FORMAT + SUPPORTED_VALUES_SUFFIX); 1677eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang ArrayList<Integer> formats = new ArrayList<Integer>(); 1678eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang for (String s : split(str)) { 1679eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang int f = pixelFormatForCameraFormat(s); 1680a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 1681eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang formats.add(f); 1682eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang } 1683eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang return formats; 16849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the dimensions for pictures. 16889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1689c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * Applications need to consider the display orientation. See {@link 1690c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * #setPreviewSize(int,int)} for reference. 1691c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 16929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width for pictures, in pixels 16939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height for pictures, in pixels 1694c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 1695c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 16969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureSize(int width, int height) { 16989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 16999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_SIZE, v); 17009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimension setting for pictures. 17049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting 17069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for pictures 17079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPictureSize() { 17099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PICTURE_SIZE); 17109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 17119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 17129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 17149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture sizes. 17159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17163f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported picture sizes. This method will always 17173f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 17189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 17199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPictureSizes() { 17209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PICTURE_SIZE + SUPPORTED_VALUES_SUFFIX); 17219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 17229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the image format for pictures. 17269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param pixel_format the desired picture format 1728a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (<var>ImageFormat.NV21</var>, 1729a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 1730a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 1731a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureFormat(int pixel_format) { 17349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 17359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 17369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 17379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 17389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_FORMAT, s); 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the image format for pictures. 17459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17463f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the picture format 17473f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 17489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPictureFormat() { 17509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PICTURE_FORMAT)); 17519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 17529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 17539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 17549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture formats. 17559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return supported picture formats. This method will always return a 17573f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * list with at least one element. 17583f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 17599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 17609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPictureFormats() { 17619c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li String str = get(KEY_PICTURE_FORMAT + SUPPORTED_VALUES_SUFFIX); 17629c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li ArrayList<Integer> formats = new ArrayList<Integer>(); 17639c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li for (String s : split(str)) { 17649c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li int f = pixelFormatForCameraFormat(s); 1765a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 17669c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li formats.add(f); 17679c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li } 17689c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li return formats; 17699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String cameraFormatForPixelFormat(int pixel_format) { 17729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(pixel_format) { 1773a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV16: return PIXEL_FORMAT_YUV422SP; 1774a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV21: return PIXEL_FORMAT_YUV420SP; 1775a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.YUY2: return PIXEL_FORMAT_YUV422I; 1776a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.RGB_565: return PIXEL_FORMAT_RGB565; 1777a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.JPEG: return PIXEL_FORMAT_JPEG; 1778a696f5d667227365da732481770767dcb330dd23Mathias Agopian default: return null; 17799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int pixelFormatForCameraFormat(String format) { 17839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (format == null) 1784a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 17859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV422SP)) 1787a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV16; 17889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420SP)) 1790a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV21; 17919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1792eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang if (format.equals(PIXEL_FORMAT_YUV422I)) 1793a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.YUY2; 1794eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang 17959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_RGB565)) 1796a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.RGB_565; 17979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_JPEG)) 1799a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.JPEG; 18009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1801a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 18029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 18052fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * Sets the rotation angle in degrees relative to the orientation of 18062fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the camera. This affects the pictures returned from JPEG {@link 18072fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * PictureCallback}. The camera driver may set orientation in the 18082fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * EXIF header without rotating the picture. Or the driver may rotate 18092fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the picture and the EXIF thumbnail. If the Jpeg picture is rotated, 18102fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the orientation in the EXIF header will be missing or 1 (row #0 is 18112fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * top and column #0 is left side). 18129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18132fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * If applications want to rotate the picture to match the orientation 18142fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of what users see, apps should use {@link 18152fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.view.OrientationEventListener} and {@link CameraInfo}. 18162fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * The value from OrientationEventListener is relative to the natural 18172fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation of the device. CameraInfo.orientation is the angle 18182fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * between camera orientation and natural device orientation. The sum or 18192fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of the two is the rotation angle for back-facing camera. The 18202fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * difference of the two is the rotation angle for front-facing camera. 18212fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Note that the JPEG pictures of front-facing cameras are not mirrored 18222fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * as in preview display. 18239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18242fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * For example, suppose the natural orientation of the device is 18252fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * portrait. The device is rotated 270 degrees clockwise, so the device 18262fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 270. Suppose a back-facing camera sensor is mounted in 18272fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * landscape and the top side of the camera sensor is aligned with the 18282fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the display in natural orientation. So the camera 18292fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 90. The rotation should be set to 0 (270 + 90). 18302fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 18312fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * The reference code is as follows. 18322fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 18332fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * public void public void onOrientationChanged(int orientation) { 18342fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * if (orientation == ORIENTATION_UNKNOWN) return; 18352fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.CameraInfo info = 18362fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * new android.hardware.Camera.CameraInfo(); 18372fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.getCameraInfo(cameraId, info); 18382fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation = (orientation + 45) / 90 * 90; 18392fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int rotation = 0; 18402fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == CameraInfo.CAMERA_FACING_FRONT) { 18412fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation - orientation + 360) % 360; 18422fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing camera 18432fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation + orientation) % 360; 18442fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 18452fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * mParameters.setRotation(rotation); 18462fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * } 18472fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 18482fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @param rotation The rotation angle in degrees relative to the 18492fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation of the camera. Rotation can only be 0, 18502fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 90, 180 or 270. 18519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @throws IllegalArgumentException if rotation value is invalid. 18529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @see android.view.OrientationEventListener 18532fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @see #getCameraInfo(int, CameraInfo) 18549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 18559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setRotation(int rotation) { 18569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (rotation == 0 || rotation == 90 || rotation == 180 18579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li || rotation == 270) { 18589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ROTATION, Integer.toString(rotation)); 18599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } else { 18609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 18619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid rotation=" + rotation); 18629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 18639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 18649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 18659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 18669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS latitude coordinate. This will be stored in JPEG EXIF 18679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 18689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param latitude GPS latitude coordinate. 18709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 18719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLatitude(double latitude) { 18729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LATITUDE, Double.toString(latitude)); 18739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 18749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 18759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 18769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS longitude coordinate. This will be stored in JPEG EXIF 18779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 18789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param longitude GPS longitude coordinate. 18809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 18819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLongitude(double longitude) { 18829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LONGITUDE, Double.toString(longitude)); 18839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 18849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 18859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 18869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS altitude. This will be stored in JPEG EXIF header. 18879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param altitude GPS altitude in meters. 18899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 18909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsAltitude(double altitude) { 18919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_ALTITUDE, Double.toString(altitude)); 18929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 18939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 18949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 18959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS timestamp. This will be stored in JPEG EXIF header. 18969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param timestamp GPS timestamp (UTC in seconds since January 1, 18989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1970). 18999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsTimestamp(long timestamp) { 19019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_TIMESTAMP, Long.toString(timestamp)); 19029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1905e208377fbab6b90f41e68699700942a81f4caaebRay Chen * Sets GPS processing method. It will store up to 32 characters 1906055c986ab841f8f758398841730f1e90313b132aRay Chen * in JPEG EXIF header. 1907055c986ab841f8f758398841730f1e90313b132aRay Chen * 1908055c986ab841f8f758398841730f1e90313b132aRay Chen * @param processing_method The processing method to get this location. 1909055c986ab841f8f758398841730f1e90313b132aRay Chen */ 1910055c986ab841f8f758398841730f1e90313b132aRay Chen public void setGpsProcessingMethod(String processing_method) { 1911055c986ab841f8f758398841730f1e90313b132aRay Chen set(KEY_GPS_PROCESSING_METHOD, processing_method); 1912055c986ab841f8f758398841730f1e90313b132aRay Chen } 1913055c986ab841f8f758398841730f1e90313b132aRay Chen 1914055c986ab841f8f758398841730f1e90313b132aRay Chen /** 19159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Removes GPS latitude, longitude, altitude, and timestamp from the 19169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * parameters. 19179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void removeGpsData() { 19199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LATITUDE); 19209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LONGITUDE); 19219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_ALTITUDE); 19229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_TIMESTAMP); 1923055c986ab841f8f758398841730f1e90313b132aRay Chen remove(KEY_GPS_PROCESSING_METHOD); 19249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current white balance setting. 19289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19293f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current white balance. null if white balance setting is not 19303f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 19313f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_AUTO 19323f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_INCANDESCENT 19333f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_FLUORESCENT 19343f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_WARM_FLUORESCENT 19353f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_DAYLIGHT 19363f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_CLOUDY_DAYLIGHT 19373f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_TWILIGHT 19383f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_SHADE 19393f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * 19409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getWhiteBalance() { 19429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_WHITE_BALANCE); 19439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the white balance. 19479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19483f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new white balance. 19493f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 19509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setWhiteBalance(String value) { 19529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_WHITE_BALANCE, value); 19539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported white balance. 19579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19583f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported white balance. null if white balance 19593f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 19603f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 19619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedWhiteBalance() { 19639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_WHITE_BALANCE + SUPPORTED_VALUES_SUFFIX); 19649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 19659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current color effect setting. 19699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19703f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current color effect. null if color effect 19719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 19723f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NONE 19733f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_MONO 19743f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NEGATIVE 19753f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SOLARIZE 19763f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SEPIA 19773f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_POSTERIZE 19783f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_WHITEBOARD 19793f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_BLACKBOARD 19803f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_AQUA 19819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getColorEffect() { 19839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_EFFECT); 19849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the current color effect setting. 19889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19893f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new color effect. 19903f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 19919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setColorEffect(String value) { 19939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_EFFECT, value); 19949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported color effects. 19989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19993f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported color effects. null if color effect 20009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 20013f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 20029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedColorEffects() { 20049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_EFFECT + SUPPORTED_VALUES_SUFFIX); 20059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 20069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current antibanding setting. 20119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20123f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current antibanding. null if antibanding setting is not 20133f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 20143f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_AUTO 20153f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_50HZ 20163f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_60HZ 20173f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_OFF 20189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getAntibanding() { 20209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_ANTIBANDING); 20219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the antibanding. 20259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20263f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param antibanding new antibanding value. 20273f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 20289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setAntibanding(String antibanding) { 20309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ANTIBANDING, antibanding); 20319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported antibanding values. 20359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20363f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported antibanding values. null if antibanding 20373f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 20383f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 20399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedAntibanding() { 20419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_ANTIBANDING + SUPPORTED_VALUES_SUFFIX); 20429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 20439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current scene mode setting. 20479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return one of SCENE_MODE_XXX string constant. null if scene mode 20499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 20503f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_AUTO 20513f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_ACTION 20523f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PORTRAIT 20533f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_LANDSCAPE 20543f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT 20553f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT_PORTRAIT 20563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_THEATRE 20573f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_BEACH 20583f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SNOW 20593f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SUNSET 20603f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_STEADYPHOTO 20613f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_FIREWORKS 20623f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SPORTS 20633f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PARTY 20643f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_CANDLELIGHT 20659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getSceneMode() { 20679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_SCENE_MODE); 20689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2071c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Sets the scene mode. Changing scene mode may override other 2072c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * parameters (such as flash mode, focus mode, white balance). For 2073c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * example, suppose originally flash mode is on and supported flash 2074c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * modes are on/off. In night scene mode, both flash mode and supported 2075c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * flash mode may be changed to off. After setting scene mode, 20762988ab7c322aad7508df930204886f334216b65cWu-cheng Li * applications should call getParameters to know if some parameters are 20772988ab7c322aad7508df930204886f334216b65cWu-cheng Li * changed. 20789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20793f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value scene mode. 20803f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 20819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setSceneMode(String value) { 20839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_SCENE_MODE, value); 20849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported scene modes. 20889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20893f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported scene modes. null if scene mode setting 20903f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 20913f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 20929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedSceneModes() { 20949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_SCENE_MODE + SUPPORTED_VALUES_SUFFIX); 20959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 20969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current flash mode setting. 21009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21013f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current flash mode. null if flash mode setting is not 21023f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 21033f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_OFF 21043f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_AUTO 21053f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_ON 21063f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_RED_EYE 21073f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_TORCH 21089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getFlashMode() { 21109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_FLASH_MODE); 21119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the flash mode. 21159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21163f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value flash mode. 21173f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 21189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setFlashMode(String value) { 21209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_FLASH_MODE, value); 21219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported flash modes. 21259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21263f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported flash modes. null if flash mode setting 21273f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 21283f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 21299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedFlashModes() { 21319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_FLASH_MODE + SUPPORTED_VALUES_SUFFIX); 21329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 21339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 213536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 213636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the current focus mode setting. 213736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 2138699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * @return current focus mode. This method will always return a non-null 2139699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * value. Applications should call {@link 2140699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus if focus 2141699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * mode is FOCUS_MODE_AUTO or FOCUS_MODE_MACRO. 21423f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_AUTO 21433f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_INFINITY 21443f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_MACRO 21453f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_FIXED 2146f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * @see #FOCUS_MODE_EDOF 2147d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_VIDEO 214836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 214936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public String getFocusMode() { 215036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return get(KEY_FOCUS_MODE); 215136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 215236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 215336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 215436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Sets the focus mode. 215536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 21563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value focus mode. 21573f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 215836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 215936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public void setFocusMode(String value) { 216036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li set(KEY_FOCUS_MODE, value); 216136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 216236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 216336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 216436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the supported focus modes. 216536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 21663f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported focus modes. This method will always 21673f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 21683f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 216936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 217036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public List<String> getSupportedFocusModes() { 217136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li String str = get(KEY_FOCUS_MODE + SUPPORTED_VALUES_SUFFIX); 217236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return split(str); 217336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 217436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 217536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 21766c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the focal length (in millimeter) of the camera. 21776c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 21786c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return the focal length. This method will always return a valid 21796c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * value. 21806c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 21816c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getFocalLength() { 21826c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_FOCAL_LENGTH)); 21836c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 21846c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 21856c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 21866c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the horizontal angle of view in degrees. 21876c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 21886c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return horizontal angle of view. This method will always return a 21896c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 21906c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 21916c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getHorizontalViewAngle() { 21926c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_HORIZONTAL_VIEW_ANGLE)); 21936c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 21946c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 21956c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 21966c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the vertical angle of view in degrees. 21976c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 21986c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return vertical angle of view. This method will always return a 21996c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 22006c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 22016c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getVerticalViewAngle() { 22026c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_VERTICAL_VIEW_ANGLE)); 22036c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 22046c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 22056c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 220624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the current exposure compensation index. 2207ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 220824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return current exposure compensation index. The range is {@link 220924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMinExposureCompensation} to {@link 221024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation}. 0 means exposure is not 221124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * adjusted. 2212ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2213ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public int getExposureCompensation() { 221424b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_EXPOSURE_COMPENSATION, 0); 2215ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2216ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2217ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 221824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Sets the exposure compensation index. 2219ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 22200402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * @param value exposure compensation index. The valid value range is 22210402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * from {@link #getMinExposureCompensation} (inclusive) to {@link 222224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation} (inclusive). 0 means exposure is 222324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * not adjusted. Application should call 222424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * getMinExposureCompensation and getMaxExposureCompensation to 222524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * know if exposure compensation is supported. 2226ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2227ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public void setExposureCompensation(int value) { 2228ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li set(KEY_EXPOSURE_COMPENSATION, value); 2229ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2230ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2231ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 223224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the maximum exposure compensation index. 2233ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 223424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return maximum exposure compensation index (>=0). If both this 223524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMinExposureCompensation} return 0, 223624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 223724b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 223824b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMaxExposureCompensation() { 223924b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MAX_EXPOSURE_COMPENSATION, 0); 224024b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 224124b326a8978bf78e3e560723dde221792784325bWu-cheng Li 224224b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 224324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the minimum exposure compensation index. 224424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 224524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return minimum exposure compensation index (<=0). If both this 224624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMaxExposureCompensation} return 0, 224724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 2248ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 224924b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMinExposureCompensation() { 225024b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MIN_EXPOSURE_COMPENSATION, 0); 225124b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 225224b326a8978bf78e3e560723dde221792784325bWu-cheng Li 225324b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 225424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the exposure compensation step. 225524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 225624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return exposure compensation step. Applications can get EV by 225724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * multiplying the exposure compensation index and step. Ex: if 225824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation index is -6 and step is 0.333333333, EV 225924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * is -2. 226024b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 226124b326a8978bf78e3e560723dde221792784325bWu-cheng Li public float getExposureCompensationStep() { 226224b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getFloat(KEY_EXPOSURE_COMPENSATION_STEP, 0); 2263ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2264ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2265ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 226636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets current zoom value. This also works when smooth zoom is in 22678cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * progress. Applications should check {@link #isZoomSupported} before 22688cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * using this method. 226936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 227036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the current zoom value. The range is 0 to {@link 22718cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom}. 0 means the camera is not zoomed. 227236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 227336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getZoom() { 22748cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_ZOOM, 0); 227536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 227636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 227736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 22788cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Sets current zoom value. If the camera is zoomed (value > 0), the 22798cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * actual picture size may be smaller than picture size setting. 22808cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications can check the actual picture size after picture is 22818cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned from {@link PictureCallback}. The preview size remains the 22828cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * same in zoom. Applications should check {@link #isZoomSupported} 22838cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * before using this method. 228436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 228536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link #getMaxZoom}. 228636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 228736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public void setZoom(int value) { 22888cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li set(KEY_ZOOM, value); 228936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 229036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 229136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 229236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if zoom is supported. Applications should call this 229336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * before using other zoom methods. 229436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 229536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if zoom is supported. 229636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 229736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isZoomSupported() { 22988cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_ZOOM_SUPPORTED); 22998cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 230036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 230136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 230236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 230336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets the maximum zoom value allowed for snapshot. This is the maximum 230436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * value that applications can set to {@link #setZoom(int)}. 23058cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications should call {@link #isZoomSupported} before using this 23068cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * method. This value may change in different preview size. Applications 23078cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * should call this again after setting preview size. 230836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 230936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the maximum zoom value supported by the camera. 231036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 231136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getMaxZoom() { 23128cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_MAX_ZOOM, 0); 231336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 231436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 231536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 23168cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Gets the zoom ratios of all zoom values. Applications should check 23178cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * {@link #isZoomSupported} before using this method. 231836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 23198cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @return the zoom ratios in 1/100 increments. Ex: a zoom of 3.2x is 23208cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned as 320. The number of elements is {@link 23218cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom} + 1. The list is sorted from small to large. The 23228cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * first element is always 100. The last element is the zoom 23238cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * ratio of the maximum zoom value. 232436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 23258cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li public List<Integer> getZoomRatios() { 23268cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return splitInt(get(KEY_ZOOM_RATIOS)); 232736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 232836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 232936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 233036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if smooth zoom is supported. Applications should call 233136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this before using other smooth zoom methods. 233236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 233336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if smooth zoom is supported. 233436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 233536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isSmoothZoomSupported() { 23368cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_SMOOTH_ZOOM_SUPPORTED); 23378cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 233836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 233936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 2340e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 2341e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * Gets the distances from the camera to where an object appears to be 2342e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * in focus. The object is sharpest at the optimal focus distance. The 2343e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * depth of field is the far focus distance minus near focus distance. 2344e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 2345e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * Focus distances may change after calling {@link 2346e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #autoFocus(AutoFocusCallback)}, {@link #cancelAutoFocus}, or {@link 2347e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #startPreview()}. Applications can call {@link #getParameters()} 2348e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * and this method anytime to get the latest focus distances. If the 2349d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * focus mode is FOCUS_MODE_CONTINUOUS_VIDEO, focus distances may change 2350d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * from time to time. 2351699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * 2352699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * This method is intended to estimate the distance between the camera 2353699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * and the subject. After autofocus, the subject distance may be within 2354699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * near and far focus distance. However, the precision depends on the 2355699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * camera hardware, autofocus algorithm, the focus area, and the scene. 2356699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * The error can be large and it should be only used as a reference. 2357e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 2358185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * Far focus distance >= optimal focus distance >= near focus distance. 2359185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * If the focus distance is infinity, the value will be 2360e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * Float.POSITIVE_INFINITY. 2361e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 2362e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * @param output focus distances in meters. output must be a float 2363e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * array with three elements. Near focus distance, optimal focus 2364e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * distance, and far focus distance will be filled in the array. 2365185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_NEAR_INDEX 2366185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_OPTIMAL_INDEX 2367185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_FAR_INDEX 2368e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 2369e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public void getFocusDistances(float[] output) { 2370e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li if (output == null || output.length != 3) { 2371e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li throw new IllegalArgumentException( 2372e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li "output must be an float array with three elements."); 2373e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 2374454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitFloat(get(KEY_FOCUS_DISTANCES), output); 2375e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 2376e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 23779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of String. 23789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 23799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<String> split(String str) { 23809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 23819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Use StringTokenizer because it is faster than split. 23839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 23849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<String> substrings = new ArrayList<String>(); 23859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 23869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(tokenizer.nextToken()); 23879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 23899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Integer. 23929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 23939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Integer> splitInt(String str) { 23949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 23959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 23979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Integer> substrings = new ArrayList<Integer>(); 23989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 23999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String token = tokenizer.nextToken(); 24009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(Integer.parseInt(token)); 24019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (substrings.size() == 0) return null; 24039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 24049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 2406454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitInt(String str, int[] output) { 2407454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 2408454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2409454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 2410454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 2411454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li while (tokenizer.hasMoreElements()) { 2412454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String token = tokenizer.nextToken(); 2413454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Integer.parseInt(token); 2414454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2415454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2416454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2417e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Splits a comma delimited string to an ArrayList of Float. 2418454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitFloat(String str, float[] output) { 2419454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 2420e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 2421e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 2422454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 2423e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li while (tokenizer.hasMoreElements()) { 2424e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li String token = tokenizer.nextToken(); 2425454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Float.parseFloat(token); 2426e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 2427e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 2428e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 242924b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a float parameter. 243024b326a8978bf78e3e560723dde221792784325bWu-cheng Li private float getFloat(String key, float defaultValue) { 243124b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 243224b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Float.parseFloat(mMap.get(key)); 243324b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 243424b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 243524b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 243624b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 243724b326a8978bf78e3e560723dde221792784325bWu-cheng Li 243824b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a integer parameter. 243924b326a8978bf78e3e560723dde221792784325bWu-cheng Li private int getInt(String key, int defaultValue) { 244024b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 244124b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Integer.parseInt(mMap.get(key)); 244224b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 244324b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 244424b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 244524b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 244624b326a8978bf78e3e560723dde221792784325bWu-cheng Li 24479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Size. 24489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 24499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Size> splitSize(String str) { 24509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 24519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 24539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Size> sizeList = new ArrayList<Size>(); 24549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 24559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Size size = strToSize(tokenizer.nextToken()); 24569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (size != null) sizeList.add(size); 24579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (sizeList.size() == 0) return null; 24599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return sizeList; 24609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parses a string (ex: "480x320") to Size object. 24639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null. 24649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private Size strToSize(String str) { 24659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 24669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li int pos = str.indexOf('x'); 24689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (pos != -1) { 24699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String width = str.substring(0, pos); 24709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String height = str.substring(pos + 1); 24719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(Integer.parseInt(width), 24729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Integer.parseInt(height)); 24739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Log.e(TAG, "Invalid size parameter string=" + str); 24759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return null; 24769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 2477454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2478454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Splits a comma delimited string to an ArrayList of int array. 2479454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Example string: "(10000,26623),(10000,30000)". Return null if the 2480454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // passing string is null or the size is 0. 2481454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private ArrayList<int[]> splitRange(String str) { 2482454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null || str.charAt(0) != '(' 2483454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li || str.charAt(str.length() - 1) != ')') { 2484454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li Log.e(TAG, "Invalid range list string=" + str); 2485454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return null; 2486454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2487454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2488454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li ArrayList<int[]> rangeList = new ArrayList<int[]>(); 2489454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int endIndex, fromIndex = 1; 2490454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li do { 2491454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int[] range = new int[2]; 2492454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li endIndex = str.indexOf("),(", fromIndex); 2493454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 2494454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(str.substring(fromIndex, endIndex), range); 2495454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li rangeList.add(range); 2496454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li fromIndex = endIndex + 3; 2497454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } while (endIndex != str.length() - 1); 2498454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2499454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (rangeList.size() == 0) return null; 2500454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return rangeList; 2501454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 25029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 25039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2504