CameraController.java revision dcea7639255d5bc4b17a5976bb84de1f6dba0ed1
120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong/* 220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * Copyright (C) 2013 The Android Open Source Project 320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * 420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * Licensed under the Apache License, Version 2.0 (the "License"); 520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * you may not use this file except in compliance with the License. 620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * You may obtain a copy of the License at 720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * 820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * http://www.apache.org/licenses/LICENSE-2.0 920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * 1020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * Unless required by applicable law or agreed to in writing, software 1120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * distributed under the License is distributed on an "AS IS" BASIS, 1220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * See the License for the specific language governing permissions and 1420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * limitations under the License. 1520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong */ 1620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 1720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kongpackage com.android.camera.app; 1820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 1920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kongimport android.content.Context; 2020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kongimport android.hardware.Camera; 2120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kongimport android.os.Handler; 2220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 2320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kongimport com.android.camera.CameraDisabledException; 24c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kongimport com.android.camera.cameradevice.CameraDeviceInfo; 251045fefdf22bd58fa911b100e7db5750f7efa3e6Angus Kongimport com.android.camera.cameradevice.CameraManager; 261045fefdf22bd58fa911b100e7db5750f7efa3e6Angus Kongimport com.android.camera.cameradevice.CameraManager.CameraExceptionCallback; 275596b4c902dcb685928b43678f428746ca5ffd08Angus Kongimport com.android.camera.debug.Log; 2820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kongimport com.android.camera.util.CameraUtil; 2920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 3020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong/** 3120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * A class which implements {@link com.android.camera.app.CameraProvider} used 3220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * by {@link com.android.camera.CameraActivity}. 3320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * TODO: Make this class package private. 3420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong */ 3520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kongpublic class CameraController implements CameraManager.CameraOpenCallback, CameraProvider { 365596b4c902dcb685928b43678f428746ca5ffd08Angus Kong private static final Log.Tag TAG = new Log.Tag("CameraController"); 37432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong private static final int EMPTY_REQUEST = -1; 38846d3abfe3da2fa2a5593c7d40a196005408bed1Sascha Haeberling private final Context mContext; 3920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong private CameraManager.CameraOpenCallback mCallbackReceiver; 40846d3abfe3da2fa2a5593c7d40a196005408bed1Sascha Haeberling private final Handler mCallbackHandler; 4120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong private final CameraManager mCameraManager; 42dcea7639255d5bc4b17a5976bb84de1f6dba0ed1Sascha Haeberling private final CameraDeviceInfo mInfo; 4320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 4420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong private CameraManager.CameraProxy mCameraProxy; 45432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong private int mRequestingCameraId = EMPTY_REQUEST; 4620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 4720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong /** 4820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * Constructor. 4920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * 5020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * @param context The {@link android.content.Context} used to check if the 5120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * camera is disabled. 5220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * @param handler The {@link android.os.Handler} to post the camera 5320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * callbacks to. 5420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * @param cameraManager Used for camera open/close. 5520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong */ 5620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong public CameraController(Context context, CameraManager.CameraOpenCallback callbackReceiver, 5720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong Handler handler, CameraManager cameraManager) { 5820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mContext = context; 5920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mCallbackReceiver = callbackReceiver; 6020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mCallbackHandler = handler; 6120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mCameraManager = cameraManager; 62c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong mInfo = mCameraManager.getCameraDeviceInfo(); 63c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong if (mInfo == null && mCallbackReceiver != null) { 64c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong mCallbackReceiver.onDeviceOpenFailure(-1, "GETTING_CAMERA_INFO"); 65c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong } 6620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 6720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 6820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong @Override 69630d55ba8111357730119899565026be503264c0Erin Dahlgren public void setCameraDefaultExceptionCallback(CameraExceptionCallback callback, 70630d55ba8111357730119899565026be503264c0Erin Dahlgren Handler handler) { 71630d55ba8111357730119899565026be503264c0Erin Dahlgren mCameraManager.setCameraDefaultExceptionCallback(callback, handler); 72630d55ba8111357730119899565026be503264c0Erin Dahlgren } 73630d55ba8111357730119899565026be503264c0Erin Dahlgren 74630d55ba8111357730119899565026be503264c0Erin Dahlgren @Override 7520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong public Camera.CameraInfo[] getCameraInfo() { 76c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong if (mInfo == null) { 77c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong return null; 78c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong } 79c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong return mInfo.getCameraInfos(); 8020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 8120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 8220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong @Override 8320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong public int getNumberOfCameras() { 84c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong if (mInfo == null) { 85c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong return 0; 86c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong } 87c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong return mInfo.getNumberOfCameras(); 8820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 8920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 9020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong @Override 9120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong public int getFirstBackCameraId() { 92c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong if (mInfo == null) { 93c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong return -1; 94c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong } 95c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong return mInfo.getFirstBackCameraId(); 9620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 9720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 9820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong @Override 9920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong public int getFirstFrontCameraId() { 100c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong if (mInfo == null) { 101c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong return -1; 102c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong } 103c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong return mInfo.getFirstFrontCameraId(); 10420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 10520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 10620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong @Override 10739b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong public boolean isFrontFacingCamera(int id) { 108c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong if (mInfo == null) { 109c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong return false; 110c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong } 111c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong if (id >= mInfo.getCameraInfos().length || mInfo.getCameraInfos()[id] == null) { 11239b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong Log.e(TAG, "Camera info not available:" + id); 11339b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong return false; 11439b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong } 115c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong return (mInfo.getCameraInfos()[id].facing == Camera.CameraInfo.CAMERA_FACING_FRONT); 11639b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong } 11739b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong 11839b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong @Override 11939b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong public boolean isBackFacingCamera(int id) { 120c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong if (mInfo == null) { 121c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong return false; 122c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong } 123c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong if (id >= mInfo.getCameraInfos().length || mInfo.getCameraInfos()[id] == null) { 12439b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong Log.e(TAG, "Camera info not available:" + id); 12539b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong return false; 12639b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong } 127c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong return (mInfo.getCameraInfos()[id].facing == Camera.CameraInfo.CAMERA_FACING_BACK); 12839b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong } 12939b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong 13039b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong @Override 13120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong public void onCameraOpened(CameraManager.CameraProxy camera) { 1320b9eb5bb8d2ef409e8c88196c0c82c8ece65728bAngus Kong Log.v(TAG, "onCameraOpened"); 1330b9eb5bb8d2ef409e8c88196c0c82c8ece65728bAngus Kong if (mRequestingCameraId != camera.getCameraId()) { 1340b9eb5bb8d2ef409e8c88196c0c82c8ece65728bAngus Kong // Not requesting any camera or not waiting for this one. 135f578829a0f9a298fd5e4fdd9081b768f25811599Angus Kong return; 136f578829a0f9a298fd5e4fdd9081b768f25811599Angus Kong } 1370b9eb5bb8d2ef409e8c88196c0c82c8ece65728bAngus Kong mCameraProxy = camera; 138432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong mRequestingCameraId = EMPTY_REQUEST; 1390fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling if (mCallbackReceiver != null) { 1400fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling mCallbackReceiver.onCameraOpened(camera); 1410fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling } 14220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 14320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 14420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong @Override 14520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong public void onCameraDisabled(int cameraId) { 1460fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling if (mCallbackReceiver != null) { 1470fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling mCallbackReceiver.onCameraDisabled(cameraId); 1480fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling } 14920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 15020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 15120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong @Override 1521b9d4fb6f649262e491c0fa743229b4930a87802Angus Kong public void onDeviceOpenFailure(int cameraId, String info) { 1530fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling if (mCallbackReceiver != null) { 1541b9d4fb6f649262e491c0fa743229b4930a87802Angus Kong mCallbackReceiver.onDeviceOpenFailure(cameraId, info); 1550fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling } 15620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 15720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 15820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong @Override 1590b9eb5bb8d2ef409e8c88196c0c82c8ece65728bAngus Kong public void onDeviceOpenedAlready(int cameraId, String info) { 1600fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling if (mCallbackReceiver != null) { 1610b9eb5bb8d2ef409e8c88196c0c82c8ece65728bAngus Kong mCallbackReceiver.onDeviceOpenedAlready(cameraId, info); 1620fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling } 16362753ae94be2ae7c08bf24ebcf1c462975af230fAngus Kong } 16462753ae94be2ae7c08bf24ebcf1c462975af230fAngus Kong 16562753ae94be2ae7c08bf24ebcf1c462975af230fAngus Kong @Override 1660b9eb5bb8d2ef409e8c88196c0c82c8ece65728bAngus Kong public void onReconnectionFailure(CameraManager mgr, String info) { 1670fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling if (mCallbackReceiver != null) { 1680b9eb5bb8d2ef409e8c88196c0c82c8ece65728bAngus Kong mCallbackReceiver.onReconnectionFailure(mgr, info); 1690fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling } 17020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 17120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 17220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong @Override 17320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong public void requestCamera(int id) { 174432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong // Based on 175432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong // (mRequestingCameraId == id, mRequestingCameraId == EMPTY_REQUEST), 176432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong // we have (T, T), (T, F), (F, T), (F, F). 177432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong // (T, T): implies id == EMPTY_REQUEST. We don't allow this to happen 178432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong // here. Return. 179432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong // (F, F): A previous request hasn't been fulfilled yet. Return. 180432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong // (T, F): Already requested the same camera. No-op. Return. 181432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong // (F, T): Nothing is going on. Continue. 182432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong if (mRequestingCameraId != EMPTY_REQUEST || mRequestingCameraId == id) { 18320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong return; 18420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 185c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong if (mInfo == null) { 186c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong return; 187c44c5d93a681d98719dfffdf7223c694e1cab715Angus Kong } 18820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mRequestingCameraId = id; 18920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong if (mCameraProxy == null) { 19020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong // No camera yet. 19120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong checkAndOpenCamera(mContext, mCameraManager, id, mCallbackHandler, this); 19220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } else if (mCameraProxy.getCameraId() != id) { 19320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong // Already has another camera opened. 1940b9eb5bb8d2ef409e8c88196c0c82c8ece65728bAngus Kong mCameraManager.closeCamera(mCameraProxy, false); 19520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong checkAndOpenCamera(mContext, mCameraManager, id, mCallbackHandler, this); 19620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } else { 19720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong // The same camera, just do a reconnect. 1980b9eb5bb8d2ef409e8c88196c0c82c8ece65728bAngus Kong Log.v(TAG, "reconnecting to use the existing camera"); 19920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mCameraProxy.reconnect(mCallbackHandler, this); 20020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mCameraProxy = null; 20120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 20220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 20320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 20420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong @Override 20597e282a3764215ac193726e0d259e55bf94369feAngus Kong public boolean waitingForCamera() { 20697e282a3764215ac193726e0d259e55bf94369feAngus Kong return mRequestingCameraId != EMPTY_REQUEST; 20797e282a3764215ac193726e0d259e55bf94369feAngus Kong } 20897e282a3764215ac193726e0d259e55bf94369feAngus Kong 20997e282a3764215ac193726e0d259e55bf94369feAngus Kong @Override 21020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong public void releaseCamera(int id) { 211f578829a0f9a298fd5e4fdd9081b768f25811599Angus Kong if (mCameraProxy == null) { 212432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong if (mRequestingCameraId == EMPTY_REQUEST) { 213f578829a0f9a298fd5e4fdd9081b768f25811599Angus Kong // Camera not requested yet. 214f578829a0f9a298fd5e4fdd9081b768f25811599Angus Kong Log.w(TAG, "Trying to release the camera before requesting"); 215f578829a0f9a298fd5e4fdd9081b768f25811599Angus Kong } 216f578829a0f9a298fd5e4fdd9081b768f25811599Angus Kong // Camera requested but not available yet. 217432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong mRequestingCameraId = EMPTY_REQUEST; 218f578829a0f9a298fd5e4fdd9081b768f25811599Angus Kong return; 219f578829a0f9a298fd5e4fdd9081b768f25811599Angus Kong } 22020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong if (mCameraProxy.getCameraId() != id) { 22120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong throw new IllegalStateException("Trying to release an unopened camera."); 22220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 223432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong mRequestingCameraId = EMPTY_REQUEST; 22420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 22520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 226846d3abfe3da2fa2a5593c7d40a196005408bed1Sascha Haeberling public void removeCallbackReceiver() { 227846d3abfe3da2fa2a5593c7d40a196005408bed1Sascha Haeberling mCallbackReceiver = null; 228846d3abfe3da2fa2a5593c7d40a196005408bed1Sascha Haeberling } 229846d3abfe3da2fa2a5593c7d40a196005408bed1Sascha Haeberling 23020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong /** 23120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * Closes the opened camera device. 23220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * TODO: Make this method package private. 23320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong */ 2340b9eb5bb8d2ef409e8c88196c0c82c8ece65728bAngus Kong public void closeCamera(boolean synced) { 235dcea7639255d5bc4b17a5976bb84de1f6dba0ed1Sascha Haeberling if (mCameraProxy == null) { 236dcea7639255d5bc4b17a5976bb84de1f6dba0ed1Sascha Haeberling Log.v(TAG, "No camera open, not closing"); 237dcea7639255d5bc4b17a5976bb84de1f6dba0ed1Sascha Haeberling return; 238dcea7639255d5bc4b17a5976bb84de1f6dba0ed1Sascha Haeberling } 239dcea7639255d5bc4b17a5976bb84de1f6dba0ed1Sascha Haeberling Log.v(TAG, "Closing camera"); 24020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mCameraProxy = null; 2410b9eb5bb8d2ef409e8c88196c0c82c8ece65728bAngus Kong mCameraManager.closeCamera(mCameraProxy, synced); 242432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong mRequestingCameraId = EMPTY_REQUEST; 24320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 24420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 24520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong private static void checkAndOpenCamera(Context context, CameraManager cameraManager, 24620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong final int cameraId, Handler handler, final CameraManager.CameraOpenCallback cb) { 24720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong try { 24820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong CameraUtil.throwIfCameraDisabled(context); 2490b9eb5bb8d2ef409e8c88196c0c82c8ece65728bAngus Kong cameraManager.openCamera(handler, cameraId, cb); 25020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } catch (CameraDisabledException ex) { 25120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong handler.post(new Runnable() { 25220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong @Override 25320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong public void run() { 25420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong cb.onCameraDisabled(cameraId); 25520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 25620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong }); 25720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 25820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 2594d4a4bc8891bbfc5a7ca842f2981829ac3a716e8Doris Liu 2604d4a4bc8891bbfc5a7ca842f2981829ac3a716e8Doris Liu public void setOneShotPreviewCallback(Handler handler, 2614d4a4bc8891bbfc5a7ca842f2981829ac3a716e8Doris Liu CameraManager.CameraPreviewDataCallback cb) { 2624d4a4bc8891bbfc5a7ca842f2981829ac3a716e8Doris Liu mCameraProxy.setOneShotPreviewCallback(handler, cb); 2634d4a4bc8891bbfc5a7ca842f2981829ac3a716e8Doris Liu } 26420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong} 265