CameraController.java revision 1b9d4fb6f649262e491c0fa743229b4930a87802
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; 24630d55ba8111357730119899565026be503264c0Erin Dahlgrenimport com.android.camera.app.CameraManager.CameraExceptionCallback; 255596b4c902dcb685928b43678f428746ca5ffd08Angus Kongimport com.android.camera.debug.Log; 2620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kongimport com.android.camera.util.CameraUtil; 2720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 2820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong/** 2920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * A class which implements {@link com.android.camera.app.CameraProvider} used 3020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * by {@link com.android.camera.CameraActivity}. 3120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * TODO: Make this class package private. 3220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong */ 3320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kongpublic class CameraController implements CameraManager.CameraOpenCallback, CameraProvider { 345596b4c902dcb685928b43678f428746ca5ffd08Angus Kong private static final Log.Tag TAG = new Log.Tag("CameraController"); 35432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong private static final int EMPTY_REQUEST = -1; 36846d3abfe3da2fa2a5593c7d40a196005408bed1Sascha Haeberling private final Context mContext; 3720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong private CameraManager.CameraOpenCallback mCallbackReceiver; 38846d3abfe3da2fa2a5593c7d40a196005408bed1Sascha Haeberling private final Handler mCallbackHandler; 3920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong private final CameraManager mCameraManager; 4020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong private final Camera.CameraInfo[] mCameraInfos; 4120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong private final int mNumberOfCameras; 4220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong private final int mFirstBackCameraId; 4320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong private final int mFirstFrontCameraId; 4420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 4520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong private CameraManager.CameraProxy mCameraProxy; 46432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong private int mRequestingCameraId = EMPTY_REQUEST; 4720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 4820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong /** 4920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * Constructor. 5020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * 5120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * @param context The {@link android.content.Context} used to check if the 5220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * camera is disabled. 5320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * @param handler The {@link android.os.Handler} to post the camera 5420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * callbacks to. 5520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * @param cameraManager Used for camera open/close. 5620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong */ 5720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong public CameraController(Context context, CameraManager.CameraOpenCallback callbackReceiver, 5820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong Handler handler, CameraManager cameraManager) { 5920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mContext = context; 6020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mCallbackReceiver = callbackReceiver; 6120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mCallbackHandler = handler; 6220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mCameraManager = cameraManager; 6320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mNumberOfCameras = Camera.getNumberOfCameras(); 6420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mCameraInfos = new Camera.CameraInfo[mNumberOfCameras]; 6520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong for (int i = 0; i < mNumberOfCameras; i++) { 6620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mCameraInfos[i] = new Camera.CameraInfo(); 6720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong Camera.getCameraInfo(i, mCameraInfos[i]); 6820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 6920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 7020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong int firstFront = -1; 7120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong int firstBack = -1; 7220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong // Get the first (smallest) back and first front camera id. 7318500a493634b593dc8ba1e74b46d1f10bb6d031Angus Kong for (int i = mNumberOfCameras - 1; i >= 0; i--) { 7420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong if (mCameraInfos[i].facing == Camera.CameraInfo.CAMERA_FACING_BACK) { 7520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong firstBack = i; 7620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } else { 7720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong if (mCameraInfos[i].facing == Camera.CameraInfo.CAMERA_FACING_FRONT) { 7820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong firstFront = i; 7920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 8020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 8120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 8220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mFirstBackCameraId = firstBack; 8320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mFirstFrontCameraId = firstFront; 8420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 8520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 8620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong @Override 87630d55ba8111357730119899565026be503264c0Erin Dahlgren public void setCameraDefaultExceptionCallback(CameraExceptionCallback callback, 88630d55ba8111357730119899565026be503264c0Erin Dahlgren Handler handler) { 89630d55ba8111357730119899565026be503264c0Erin Dahlgren mCameraManager.setCameraDefaultExceptionCallback(callback, handler); 90630d55ba8111357730119899565026be503264c0Erin Dahlgren } 91630d55ba8111357730119899565026be503264c0Erin Dahlgren 92630d55ba8111357730119899565026be503264c0Erin Dahlgren @Override 9320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong public Camera.CameraInfo[] getCameraInfo() { 9420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong return mCameraInfos; 9520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 9620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 9720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong @Override 9820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong public int getNumberOfCameras() { 9920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong return mNumberOfCameras; 10020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 10120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 10220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong @Override 10320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong public int getFirstBackCameraId() { 10420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong return mFirstBackCameraId; 10520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 10620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 10720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong @Override 10820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong public int getFirstFrontCameraId() { 10920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong return mFirstFrontCameraId; 11020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 11120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 11220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong @Override 11339b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong public boolean isFrontFacingCamera(int id) { 11439b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong if (id >= mCameraInfos.length || mCameraInfos[id] == null) { 11539b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong Log.e(TAG, "Camera info not available:" + id); 11639b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong return false; 11739b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong } 11839b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong return (mCameraInfos[id].facing == Camera.CameraInfo.CAMERA_FACING_FRONT); 11939b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong } 12039b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong 12139b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong @Override 12239b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong public boolean isBackFacingCamera(int id) { 12339b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong if (id >= mCameraInfos.length || mCameraInfos[id] == null) { 12439b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong Log.e(TAG, "Camera info not available:" + id); 12539b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong return false; 12639b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong } 12739b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong return (mCameraInfos[id].facing == Camera.CameraInfo.CAMERA_FACING_BACK); 12839b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong } 12939b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong 13039b460b805adaa54f310d8637868b3a5c792b2f5Angus Kong @Override 13120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong public void onCameraOpened(CameraManager.CameraProxy camera) { 13220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mCameraProxy = camera; 1330fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling if (mRequestingCameraId == EMPTY_REQUEST) { 134f578829a0f9a298fd5e4fdd9081b768f25811599Angus Kong // Not requesting any camera. 135f578829a0f9a298fd5e4fdd9081b768f25811599Angus Kong return; 136f578829a0f9a298fd5e4fdd9081b768f25811599Angus Kong } 137432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong mRequestingCameraId = EMPTY_REQUEST; 1380fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling if (mCallbackReceiver != null) { 1390fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling mCallbackReceiver.onCameraOpened(camera); 1400fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling } 14120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 14220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 14320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong @Override 14420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong public void onCameraDisabled(int cameraId) { 1450fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling if (mCallbackReceiver != null) { 1460fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling mCallbackReceiver.onCameraDisabled(cameraId); 1470fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling } 14820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 14920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 15020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong @Override 1511b9d4fb6f649262e491c0fa743229b4930a87802Angus Kong public void onDeviceOpenFailure(int cameraId, String info) { 1520fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling if (mCallbackReceiver != null) { 1531b9d4fb6f649262e491c0fa743229b4930a87802Angus Kong mCallbackReceiver.onDeviceOpenFailure(cameraId, info); 1540fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling } 15520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 15620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 15720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong @Override 15862753ae94be2ae7c08bf24ebcf1c462975af230fAngus Kong public void onDeviceOpenedAlready(int cameraId) { 1590fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling if (mCallbackReceiver != null) { 1600fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling mCallbackReceiver.onDeviceOpenedAlready(cameraId); 1610fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling } 16262753ae94be2ae7c08bf24ebcf1c462975af230fAngus Kong } 16362753ae94be2ae7c08bf24ebcf1c462975af230fAngus Kong 16462753ae94be2ae7c08bf24ebcf1c462975af230fAngus Kong @Override 16520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong public void onReconnectionFailure(CameraManager mgr) { 1660fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling if (mCallbackReceiver != null) { 1670fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling mCallbackReceiver.onReconnectionFailure(mgr); 1680fed7e62bfa0d8351b91d3531228a113637963a3Sascha Haeberling } 16920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 17020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 17120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong @Override 17220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong public void requestCamera(int id) { 173432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong // Based on 174432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong // (mRequestingCameraId == id, mRequestingCameraId == EMPTY_REQUEST), 175432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong // we have (T, T), (T, F), (F, T), (F, F). 176432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong // (T, T): implies id == EMPTY_REQUEST. We don't allow this to happen 177432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong // here. Return. 178432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong // (F, F): A previous request hasn't been fulfilled yet. Return. 179432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong // (T, F): Already requested the same camera. No-op. Return. 180432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong // (F, T): Nothing is going on. Continue. 181432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong if (mRequestingCameraId != EMPTY_REQUEST || mRequestingCameraId == id) { 18220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong return; 18320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 18420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mRequestingCameraId = id; 18520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong if (mCameraProxy == null) { 18620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong // No camera yet. 18720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong checkAndOpenCamera(mContext, mCameraManager, id, mCallbackHandler, this); 18820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } else if (mCameraProxy.getCameraId() != id) { 18920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong // Already has another camera opened. 19020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mCameraProxy.release(false); 19120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mCameraProxy = null; 19220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong checkAndOpenCamera(mContext, mCameraManager, id, mCallbackHandler, this); 19320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } else { 19420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong // The same camera, just do a reconnect. 19520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mCameraProxy.reconnect(mCallbackHandler, this); 19620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mCameraProxy = null; 19720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 19820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 19920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 20020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong @Override 20197e282a3764215ac193726e0d259e55bf94369feAngus Kong public boolean waitingForCamera() { 20297e282a3764215ac193726e0d259e55bf94369feAngus Kong return mRequestingCameraId != EMPTY_REQUEST; 20397e282a3764215ac193726e0d259e55bf94369feAngus Kong } 20497e282a3764215ac193726e0d259e55bf94369feAngus Kong 20597e282a3764215ac193726e0d259e55bf94369feAngus Kong @Override 20620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong public void releaseCamera(int id) { 207f578829a0f9a298fd5e4fdd9081b768f25811599Angus Kong if (mCameraProxy == null) { 208432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong if (mRequestingCameraId == EMPTY_REQUEST) { 209f578829a0f9a298fd5e4fdd9081b768f25811599Angus Kong // Camera not requested yet. 210f578829a0f9a298fd5e4fdd9081b768f25811599Angus Kong Log.w(TAG, "Trying to release the camera before requesting"); 211f578829a0f9a298fd5e4fdd9081b768f25811599Angus Kong } 212f578829a0f9a298fd5e4fdd9081b768f25811599Angus Kong // Camera requested but not available yet. 213432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong mRequestingCameraId = EMPTY_REQUEST; 214f578829a0f9a298fd5e4fdd9081b768f25811599Angus Kong return; 215f578829a0f9a298fd5e4fdd9081b768f25811599Angus Kong } 21620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong if (mCameraProxy.getCameraId() != id) { 21720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong throw new IllegalStateException("Trying to release an unopened camera."); 21820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 219432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong mRequestingCameraId = EMPTY_REQUEST; 22020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 22120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 222846d3abfe3da2fa2a5593c7d40a196005408bed1Sascha Haeberling public void removeCallbackReceiver() { 223846d3abfe3da2fa2a5593c7d40a196005408bed1Sascha Haeberling mCallbackReceiver = null; 224846d3abfe3da2fa2a5593c7d40a196005408bed1Sascha Haeberling } 225846d3abfe3da2fa2a5593c7d40a196005408bed1Sascha Haeberling 22620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong /** 22720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * Closes the opened camera device. 22820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong * TODO: Make this method package private. 22920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong */ 23020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong public void closeCamera() { 23120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong Log.v(TAG, "closing camera"); 23220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong if (mCameraProxy == null) { 23320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong return; 23420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 23520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mCameraProxy.release(true); 23620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong mCameraProxy = null; 237432c964bb528a28600f19e18e81ff2b6407bb22dAngus Kong mRequestingCameraId = EMPTY_REQUEST; 23820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 23920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong 24020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong private static void checkAndOpenCamera(Context context, CameraManager cameraManager, 24120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong final int cameraId, Handler handler, final CameraManager.CameraOpenCallback cb) { 24220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong try { 24320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong CameraUtil.throwIfCameraDisabled(context); 24420fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong cameraManager.cameraOpen(handler, cameraId, cb); 24520fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } catch (CameraDisabledException ex) { 24620fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong handler.post(new Runnable() { 24720fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong @Override 24820fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong public void run() { 24920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong cb.onCameraDisabled(cameraId); 25020fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 25120fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong }); 25220fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 25320fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong } 2544d4a4bc8891bbfc5a7ca842f2981829ac3a716e8Doris Liu 2554d4a4bc8891bbfc5a7ca842f2981829ac3a716e8Doris Liu public void setOneShotPreviewCallback(Handler handler, 2564d4a4bc8891bbfc5a7ca842f2981829ac3a716e8Doris Liu CameraManager.CameraPreviewDataCallback cb) { 2574d4a4bc8891bbfc5a7ca842f2981829ac3a716e8Doris Liu mCameraProxy.setOneShotPreviewCallback(handler, cb); 2584d4a4bc8891bbfc5a7ca842f2981829ac3a716e8Doris Liu } 25920fad249cbb587b8cf03e8e53bc64ff8e0bec7fdAngus Kong} 260