| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| |
| package com.android.camera; |
| |
| import com.android.camera.gallery.IImage; |
| import com.android.camera.gallery.IImageList; |
| import com.android.camera.ui.CamcorderHeadUpDisplay; |
| import com.android.camera.ui.GLRootView; |
| import com.android.camera.ui.GLView; |
| import com.android.camera.ui.HeadUpDisplay; |
| |
| import android.content.ActivityNotFoundException; |
| import android.content.BroadcastReceiver; |
| import android.content.ContentResolver; |
| import android.content.ContentValues; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.SharedPreferences; |
| import android.content.res.Configuration; |
| import android.content.res.Resources; |
| import android.graphics.Bitmap; |
| import android.graphics.drawable.Drawable; |
| import android.hardware.Camera.Parameters; |
| import android.hardware.Camera.Size; |
| import android.media.CamcorderProfile; |
| import android.media.MediaRecorder; |
| import android.media.ThumbnailUtils; |
| import android.net.Uri; |
| import android.os.Build; |
| import android.os.Bundle; |
| import android.os.Environment; |
| import android.os.Handler; |
| import android.os.Message; |
| import android.os.StatFs; |
| import android.os.SystemClock; |
| import android.provider.MediaStore; |
| import android.provider.Settings; |
| import android.provider.MediaStore.Video; |
| import android.util.Log; |
| import android.view.KeyEvent; |
| import android.view.LayoutInflater; |
| import android.view.Menu; |
| import android.view.MenuItem; |
| import android.view.SurfaceHolder; |
| import android.view.SurfaceView; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.Window; |
| import android.view.WindowManager; |
| import android.view.MenuItem.OnMenuItemClickListener; |
| import android.view.animation.AlphaAnimation; |
| import android.view.animation.Animation; |
| import android.widget.FrameLayout; |
| import android.widget.ImageView; |
| import android.widget.TextView; |
| import android.widget.Toast; |
| |
| import java.io.File; |
| import java.io.FileDescriptor; |
| import java.io.IOException; |
| import java.text.SimpleDateFormat; |
| import java.util.ArrayList; |
| import java.util.Date; |
| import java.util.List; |
| |
| /** |
| * The Camcorder activity. |
| */ |
| public class VideoCamera extends NoSearchActivity |
| implements View.OnClickListener, |
| ShutterButton.OnShutterButtonListener, SurfaceHolder.Callback, |
| MediaRecorder.OnErrorListener, MediaRecorder.OnInfoListener, |
| Switcher.OnSwitchListener, PreviewFrameLayout.OnSizeChangedListener { |
| |
| private static final String TAG = "videocamera"; |
| |
| private static final int INIT_RECORDER = 3; |
| private static final int CLEAR_SCREEN_DELAY = 4; |
| private static final int UPDATE_RECORD_TIME = 5; |
| private static final int ENABLE_SHUTTER_BUTTON = 6; |
| |
| private static final int SCREEN_DELAY = 2 * 60 * 1000; |
| |
| // The brightness settings used when it is set to automatic in the system. |
| // The reason why it is set to 0.7 is just because 1.0 is too bright. |
| private static final float DEFAULT_CAMERA_BRIGHTNESS = 0.7f; |
| |
| private static final long NO_STORAGE_ERROR = -1L; |
| private static final long CANNOT_STAT_ERROR = -2L; |
| private static final long LOW_STORAGE_THRESHOLD = 512L * 1024L; |
| |
| private static final int STORAGE_STATUS_OK = 0; |
| private static final int STORAGE_STATUS_LOW = 1; |
| private static final int STORAGE_STATUS_NONE = 2; |
| private static final int STORAGE_STATUS_FAIL = 3; |
| |
| private static final boolean SWITCH_CAMERA = true; |
| private static final boolean SWITCH_VIDEO = false; |
| |
| private static final long SHUTTER_BUTTON_TIMEOUT = 500L; // 500ms |
| |
| /** |
| * An unpublished intent flag requesting to start recording straight away |
| * and return as soon as recording is stopped. |
| * TODO: consider publishing by moving into MediaStore. |
| */ |
| private final static String EXTRA_QUICK_CAPTURE = |
| "android.intent.extra.quickCapture"; |
| |
| private ComboPreferences mPreferences; |
| |
| private PreviewFrameLayout mPreviewFrameLayout; |
| private SurfaceView mVideoPreview; |
| private SurfaceHolder mSurfaceHolder = null; |
| private ImageView mVideoFrame; |
| private GLRootView mGLRootView; |
| private CamcorderHeadUpDisplay mHeadUpDisplay; |
| |
| private boolean mIsVideoCaptureIntent; |
| private boolean mQuickCapture; |
| // mLastPictureButton and mThumbController |
| // are non-null only if mIsVideoCaptureIntent is true. |
| private ImageView mLastPictureButton; |
| private ThumbnailController mThumbController; |
| private boolean mStartPreviewFail = false; |
| |
| private int mStorageStatus = STORAGE_STATUS_OK; |
| |
| private MediaRecorder mMediaRecorder; |
| private boolean mMediaRecorderRecording = false; |
| private long mRecordingStartTime; |
| // The video file that the hardware camera is about to record into |
| // (or is recording into.) |
| private String mCameraVideoFilename; |
| private FileDescriptor mCameraVideoFileDescriptor; |
| |
| // The video file that has already been recorded, and that is being |
| // examined by the user. |
| private String mCurrentVideoFilename; |
| private Uri mCurrentVideoUri; |
| private ContentValues mCurrentVideoValues; |
| |
| private CamcorderProfile mProfile; |
| |
| // The video duration limit. 0 menas no limit. |
| private int mMaxVideoDurationInMs; |
| |
| boolean mPausing = false; |
| boolean mSwitching; |
| boolean mPreviewing = false; // True if preview is started. |
| |
| private ContentResolver mContentResolver; |
| |
| private ShutterButton mShutterButton; |
| private TextView mRecordingTimeView; |
| private Switcher mSwitcher; |
| private boolean mRecordingTimeCountsDown = false; |
| |
| private final ArrayList<MenuItem> mGalleryItems = new ArrayList<MenuItem>(); |
| |
| private final Handler mHandler = new MainHandler(); |
| private Parameters mParameters; |
| |
| // multiple cameras support |
| private int mNumberOfCameras; |
| private int mCameraId; |
| |
| // This Handler is used to post message back onto the main thread of the |
| // application |
| private class MainHandler extends Handler { |
| @Override |
| public void handleMessage(Message msg) { |
| switch (msg.what) { |
| |
| case ENABLE_SHUTTER_BUTTON: |
| mShutterButton.setEnabled(true); |
| break; |
| |
| case CLEAR_SCREEN_DELAY: { |
| getWindow().clearFlags( |
| WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); |
| break; |
| } |
| |
| case UPDATE_RECORD_TIME: { |
| updateRecordingTime(); |
| break; |
| } |
| |
| case INIT_RECORDER: { |
| initializeRecorder(); |
| break; |
| } |
| |
| default: |
| Log.v(TAG, "Unhandled message: " + msg.what); |
| break; |
| } |
| } |
| } |
| |
| private BroadcastReceiver mReceiver = null; |
| |
| private class MyBroadcastReceiver extends BroadcastReceiver { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| if (action.equals(Intent.ACTION_MEDIA_EJECT)) { |
| updateAndShowStorageHint(false); |
| stopVideoRecording(); |
| } else if (action.equals(Intent.ACTION_MEDIA_MOUNTED)) { |
| updateAndShowStorageHint(true); |
| initializeRecorder(); |
| } else if (action.equals(Intent.ACTION_MEDIA_UNMOUNTED)) { |
| // SD card unavailable |
| // handled in ACTION_MEDIA_EJECT |
| } else if (action.equals(Intent.ACTION_MEDIA_SCANNER_STARTED)) { |
| Toast.makeText(VideoCamera.this, |
| getResources().getString(R.string.wait), 5000); |
| } else if (action.equals(Intent.ACTION_MEDIA_SCANNER_FINISHED)) { |
| updateAndShowStorageHint(true); |
| } |
| } |
| } |
| |
| private String createName(long dateTaken) { |
| Date date = new Date(dateTaken); |
| SimpleDateFormat dateFormat = new SimpleDateFormat( |
| getString(R.string.video_file_name_format)); |
| |
| return dateFormat.format(date); |
| } |
| |
| private void showCameraBusyAndFinish() { |
| Resources ress = getResources(); |
| Util.showFatalErrorAndFinish(VideoCamera.this, |
| ress.getString(R.string.camera_error_title), |
| ress.getString(R.string.cannot_connect_camera)); |
| } |
| |
| @Override |
| public void onCreate(Bundle icicle) { |
| super.onCreate(icicle); |
| |
| Window win = getWindow(); |
| |
| // Overright the brightness settings if it is automatic |
| int mode = Settings.System.getInt( |
| getContentResolver(), |
| Settings.System.SCREEN_BRIGHTNESS_MODE, |
| Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL); |
| if (mode == Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC) { |
| WindowManager.LayoutParams winParams = win.getAttributes(); |
| winParams.screenBrightness = DEFAULT_CAMERA_BRIGHTNESS; |
| win.setAttributes(winParams); |
| } |
| |
| mPreferences = new ComboPreferences(this); |
| CameraSettings.upgradeGlobalPreferences(mPreferences.getGlobal()); |
| mCameraId = CameraSettings.readPreferredCameraId(mPreferences); |
| mPreferences.setLocalId(this, mCameraId); |
| CameraSettings.upgradeLocalPreferences(mPreferences.getLocal()); |
| |
| mNumberOfCameras = CameraHolder.instance().getNumberOfCameras(); |
| |
| readVideoPreferences(); |
| |
| /* |
| * To reduce startup time, we start the preview in another thread. |
| * We make sure the preview is started at the end of onCreate. |
| */ |
| Thread startPreviewThread = new Thread(new Runnable() { |
| public void run() { |
| try { |
| mStartPreviewFail = false; |
| startPreview(); |
| } catch (CameraHardwareException e) { |
| // In eng build, we throw the exception so that test tool |
| // can detect it and report it |
| if ("eng".equals(Build.TYPE)) { |
| throw new RuntimeException(e); |
| } |
| mStartPreviewFail = true; |
| } |
| } |
| }); |
| startPreviewThread.start(); |
| |
| mContentResolver = getContentResolver(); |
| |
| requestWindowFeature(Window.FEATURE_PROGRESS); |
| setContentView(R.layout.video_camera); |
| |
| mPreviewFrameLayout = (PreviewFrameLayout) |
| findViewById(R.id.frame_layout); |
| mPreviewFrameLayout.setOnSizeChangedListener(this); |
| resizeForPreviewAspectRatio(); |
| |
| mVideoPreview = (SurfaceView) findViewById(R.id.camera_preview); |
| mVideoFrame = (ImageView) findViewById(R.id.video_frame); |
| |
| // don't set mSurfaceHolder here. We have it set ONLY within |
| // surfaceCreated / surfaceDestroyed, other parts of the code |
| // assume that when it is set, the surface is also set. |
| SurfaceHolder holder = mVideoPreview.getHolder(); |
| holder.addCallback(this); |
| holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); |
| |
| mIsVideoCaptureIntent = isVideoCaptureIntent(); |
| mQuickCapture = getIntent().getBooleanExtra(EXTRA_QUICK_CAPTURE, false); |
| mRecordingTimeView = (TextView) findViewById(R.id.recording_time); |
| |
| ViewGroup rootView = (ViewGroup) findViewById(R.id.video_camera); |
| LayoutInflater inflater = this.getLayoutInflater(); |
| if (!mIsVideoCaptureIntent) { |
| View controlBar = inflater.inflate( |
| R.layout.camera_control, rootView); |
| mLastPictureButton = |
| (ImageView) controlBar.findViewById(R.id.review_thumbnail); |
| mThumbController = new ThumbnailController( |
| getResources(), mLastPictureButton, mContentResolver); |
| mLastPictureButton.setOnClickListener(this); |
| mThumbController.loadData(ImageManager.getLastVideoThumbPath()); |
| mSwitcher = ((Switcher) findViewById(R.id.camera_switch)); |
| mSwitcher.setOnSwitchListener(this); |
| mSwitcher.addTouchView(findViewById(R.id.camera_switch_set)); |
| } else { |
| View controlBar = inflater.inflate( |
| R.layout.attach_camera_control, rootView); |
| controlBar.findViewById(R.id.btn_cancel).setOnClickListener(this); |
| ImageView retake = |
| (ImageView) controlBar.findViewById(R.id.btn_retake); |
| retake.setOnClickListener(this); |
| retake.setImageResource(R.drawable.btn_ic_review_retake_video); |
| controlBar.findViewById(R.id.btn_play).setOnClickListener(this); |
| controlBar.findViewById(R.id.btn_done).setOnClickListener(this); |
| } |
| |
| mShutterButton = (ShutterButton) findViewById(R.id.shutter_button); |
| mShutterButton.setImageResource(R.drawable.btn_ic_video_record); |
| mShutterButton.setOnShutterButtonListener(this); |
| mShutterButton.requestFocus(); |
| |
| // Make sure preview is started. |
| try { |
| startPreviewThread.join(); |
| if (mStartPreviewFail) { |
| showCameraBusyAndFinish(); |
| return; |
| } |
| } catch (InterruptedException ex) { |
| // ignore |
| } |
| |
| // Initialize the HeadUpDiplay after startPreview(). We need mParameters |
| // for HeadUpDisplay and it is initialized in that function. |
| initializeHeadUpDisplay(); |
| } |
| |
| private void changeHeadUpDisplayState() { |
| // If the camera resumes behind the lock screen, the orientation |
| // will be portrait. That causes OOM when we try to allocation GPU |
| // memory for the GLSurfaceView again when the orientation changes. So, |
| // we delayed initialization of HeadUpDisplay until the orientation |
| // becomes landscape. |
| Configuration config = getResources().getConfiguration(); |
| if (config.orientation == Configuration.ORIENTATION_LANDSCAPE |
| && !mPausing && !mSwitching && mGLRootView == null) { |
| attachHeadUpDisplay(); |
| } else if (mGLRootView != null) { |
| detachHeadUpDisplay(); |
| } |
| } |
| |
| private void initializeHeadUpDisplay() { |
| mHeadUpDisplay = new CamcorderHeadUpDisplay(this); |
| CameraSettings settings = new CameraSettings(this, mParameters); |
| |
| PreferenceGroup group = |
| settings.getPreferenceGroup(R.xml.video_preferences); |
| if (mIsVideoCaptureIntent) { |
| group = filterPreferenceScreenByIntent(group); |
| } |
| mHeadUpDisplay.initialize(this, group); |
| mHeadUpDisplay.setListener(new MyHeadUpDisplayListener()); |
| } |
| |
| private void attachHeadUpDisplay() { |
| FrameLayout frame = (FrameLayout) findViewById(R.id.frame); |
| mGLRootView = new GLRootView(this); |
| frame.addView(mGLRootView); |
| mGLRootView.setContentPane(mHeadUpDisplay); |
| } |
| |
| private void detachHeadUpDisplay() { |
| mHeadUpDisplay.collapse(); |
| ((ViewGroup) mGLRootView.getParent()).removeView(mGLRootView); |
| mGLRootView = null; |
| } |
| |
| @Override |
| protected void onStart() { |
| super.onStart(); |
| if (!mIsVideoCaptureIntent) { |
| mSwitcher.setSwitch(SWITCH_VIDEO); |
| } |
| } |
| |
| private void startPlayVideoActivity() { |
| Intent intent = new Intent(Intent.ACTION_VIEW, mCurrentVideoUri); |
| try { |
| startActivity(intent); |
| } catch (android.content.ActivityNotFoundException ex) { |
| Log.e(TAG, "Couldn't view video " + mCurrentVideoUri, ex); |
| } |
| } |
| |
| public void onClick(View v) { |
| switch (v.getId()) { |
| case R.id.btn_retake: |
| discardCurrentVideoAndInitRecorder(); |
| break; |
| case R.id.btn_play: |
| startPlayVideoActivity(); |
| break; |
| case R.id.btn_done: |
| doReturnToCaller(true); |
| break; |
| case R.id.btn_cancel: |
| stopVideoRecordingAndReturn(false); |
| break; |
| case R.id.review_thumbnail: |
| if (!mMediaRecorderRecording) viewLastVideo(); |
| break; |
| } |
| } |
| |
| public void onShutterButtonFocus(ShutterButton button, boolean pressed) { |
| // Do nothing (everything happens in onShutterButtonClick). |
| } |
| |
| private void onStopVideoRecording(boolean valid) { |
| if (mIsVideoCaptureIntent) { |
| if (mQuickCapture) { |
| stopVideoRecordingAndReturn(valid); |
| } else { |
| stopVideoRecordingAndShowAlert(); |
| } |
| } else { |
| stopVideoRecordingAndGetThumbnail(); |
| initializeRecorder(); |
| } |
| } |
| |
| public void onShutterButtonClick(ShutterButton button) { |
| switch (button.getId()) { |
| case R.id.shutter_button: |
| if (mHeadUpDisplay.collapse()) return; |
| |
| if (mMediaRecorderRecording) { |
| onStopVideoRecording(true); |
| } else if (mMediaRecorder != null) { |
| // If the click comes before recorder initialization, it is |
| // ignored. If users click the button during initialization, |
| // the event is put in the queue and record will be started |
| // eventually. |
| startVideoRecording(); |
| } |
| mShutterButton.setEnabled(false); |
| mHandler.sendEmptyMessageDelayed( |
| ENABLE_SHUTTER_BUTTON, SHUTTER_BUTTON_TIMEOUT); |
| break; |
| } |
| } |
| |
| private void discardCurrentVideoAndInitRecorder() { |
| deleteCurrentVideo(); |
| hideAlertAndInitializeRecorder(); |
| } |
| |
| private OnScreenHint mStorageHint; |
| |
| private void updateAndShowStorageHint(boolean mayHaveSd) { |
| mStorageStatus = getStorageStatus(mayHaveSd); |
| showStorageHint(); |
| } |
| |
| private void showStorageHint() { |
| String errorMessage = null; |
| switch (mStorageStatus) { |
| case STORAGE_STATUS_NONE: |
| errorMessage = getString(R.string.no_storage); |
| break; |
| case STORAGE_STATUS_LOW: |
| errorMessage = getString(R.string.spaceIsLow_content); |
| break; |
| case STORAGE_STATUS_FAIL: |
| errorMessage = getString(R.string.access_sd_fail); |
| break; |
| } |
| if (errorMessage != null) { |
| if (mStorageHint == null) { |
| mStorageHint = OnScreenHint.makeText(this, errorMessage); |
| } else { |
| mStorageHint.setText(errorMessage); |
| } |
| mStorageHint.show(); |
| } else if (mStorageHint != null) { |
| mStorageHint.cancel(); |
| mStorageHint = null; |
| } |
| } |
| |
| private int getStorageStatus(boolean mayHaveSd) { |
| long remaining = mayHaveSd ? getAvailableStorage() : NO_STORAGE_ERROR; |
| if (remaining == NO_STORAGE_ERROR) { |
| return STORAGE_STATUS_NONE; |
| } else if (remaining == CANNOT_STAT_ERROR) { |
| return STORAGE_STATUS_FAIL; |
| } |
| return remaining < LOW_STORAGE_THRESHOLD |
| ? STORAGE_STATUS_LOW |
| : STORAGE_STATUS_OK; |
| } |
| |
| private void readVideoPreferences() { |
| String quality = mPreferences.getString( |
| CameraSettings.KEY_VIDEO_QUALITY, |
| CameraSettings.DEFAULT_VIDEO_QUALITY_VALUE); |
| |
| boolean videoQualityHigh = CameraSettings.getVideoQuality(quality); |
| |
| // Set video quality. |
| Intent intent = getIntent(); |
| if (intent.hasExtra(MediaStore.EXTRA_VIDEO_QUALITY)) { |
| int extraVideoQuality = |
| intent.getIntExtra(MediaStore.EXTRA_VIDEO_QUALITY, 0); |
| videoQualityHigh = (extraVideoQuality > 0); |
| } |
| |
| // Set video duration limit. The limit is read from the preference, |
| // unless it is specified in the intent. |
| if (intent.hasExtra(MediaStore.EXTRA_DURATION_LIMIT)) { |
| int seconds = |
| intent.getIntExtra(MediaStore.EXTRA_DURATION_LIMIT, 0); |
| mMaxVideoDurationInMs = 1000 * seconds; |
| } else { |
| mMaxVideoDurationInMs = |
| CameraSettings.getVidoeDurationInMillis(quality); |
| } |
| mProfile = CamcorderProfile.get(videoQualityHigh |
| ? CamcorderProfile.QUALITY_HIGH |
| : CamcorderProfile.QUALITY_LOW); |
| } |
| |
| private void resizeForPreviewAspectRatio() { |
| mPreviewFrameLayout.setAspectRatio( |
| (double) mProfile.videoFrameWidth / mProfile.videoFrameHeight); |
| } |
| |
| @Override |
| protected void onResume() { |
| super.onResume(); |
| mPausing = false; |
| |
| mVideoPreview.setVisibility(View.VISIBLE); |
| readVideoPreferences(); |
| resizeForPreviewAspectRatio(); |
| if (!mPreviewing && !mStartPreviewFail) { |
| try { |
| startPreview(); |
| } catch (CameraHardwareException e) { |
| showCameraBusyAndFinish(); |
| return; |
| } |
| } |
| keepScreenOnAwhile(); |
| |
| // install an intent filter to receive SD card related events. |
| IntentFilter intentFilter = |
| new IntentFilter(Intent.ACTION_MEDIA_MOUNTED); |
| intentFilter.addAction(Intent.ACTION_MEDIA_EJECT); |
| intentFilter.addAction(Intent.ACTION_MEDIA_UNMOUNTED); |
| intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_STARTED); |
| intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED); |
| intentFilter.addDataScheme("file"); |
| mReceiver = new MyBroadcastReceiver(); |
| registerReceiver(mReceiver, intentFilter); |
| mStorageStatus = getStorageStatus(true); |
| |
| mHandler.postDelayed(new Runnable() { |
| public void run() { |
| showStorageHint(); |
| } |
| }, 200); |
| |
| if (mSurfaceHolder != null) { |
| mHandler.sendEmptyMessage(INIT_RECORDER); |
| } |
| |
| changeHeadUpDisplayState(); |
| } |
| |
| private void setPreviewDisplay(SurfaceHolder holder) { |
| try { |
| mCameraDevice.setPreviewDisplay(holder); |
| } catch (Throwable ex) { |
| closeCamera(); |
| throw new RuntimeException("setPreviewDisplay failed", ex); |
| } |
| } |
| |
| private void startPreview() throws CameraHardwareException { |
| Log.v(TAG, "startPreview"); |
| if (mPreviewing) { |
| // After recording a video, preview is not stopped. So just return. |
| return; |
| } |
| |
| if (mCameraDevice == null) { |
| // If the activity is paused and resumed, camera device has been |
| // released and we need to open the camera. |
| mCameraDevice = CameraHolder.instance().open(mCameraId); |
| Util.setCameraDisplayOrientation(this, mCameraId, mCameraDevice); |
| } |
| |
| mCameraDevice.lock(); |
| setCameraParameters(); |
| setPreviewDisplay(mSurfaceHolder); |
| |
| try { |
| mCameraDevice.startPreview(); |
| mPreviewing = true; |
| } catch (Throwable ex) { |
| closeCamera(); |
| throw new RuntimeException("startPreview failed", ex); |
| } |
| |
| // If setPreviewDisplay has been set with a valid surface, unlock now. |
| // If surface is null, unlock later. Otherwise, setPreviewDisplay in |
| // surfaceChanged will fail. |
| if (mSurfaceHolder != null) { |
| mCameraDevice.unlock(); |
| } |
| } |
| |
| private void closeCamera() { |
| Log.v(TAG, "closeCamera"); |
| if (mCameraDevice == null) { |
| Log.d(TAG, "already stopped."); |
| return; |
| } |
| // If we don't lock the camera, release() will fail. |
| mCameraDevice.lock(); |
| CameraHolder.instance().release(); |
| mCameraDevice = null; |
| mPreviewing = false; |
| } |
| |
| @Override |
| protected void onPause() { |
| super.onPause(); |
| mPausing = true; |
| |
| changeHeadUpDisplayState(); |
| |
| // Hide the preview now. Otherwise, the preview may be rotated during |
| // onPause and it is annoying to users. |
| mVideoPreview.setVisibility(View.INVISIBLE); |
| |
| // This is similar to what mShutterButton.performClick() does, |
| // but not quite the same. |
| if (mMediaRecorderRecording) { |
| if (mIsVideoCaptureIntent) { |
| stopVideoRecording(); |
| showAlert(); |
| } else { |
| stopVideoRecordingAndGetThumbnail(); |
| } |
| } else { |
| stopVideoRecording(); |
| } |
| closeCamera(); |
| |
| if (mReceiver != null) { |
| unregisterReceiver(mReceiver); |
| mReceiver = null; |
| } |
| resetScreenOn(); |
| |
| if (!mIsVideoCaptureIntent) { |
| mThumbController.storeData(ImageManager.getLastVideoThumbPath()); |
| } |
| |
| if (mStorageHint != null) { |
| mStorageHint.cancel(); |
| mStorageHint = null; |
| } |
| |
| mHandler.removeMessages(INIT_RECORDER); |
| |
| } |
| |
| @Override |
| public void onUserInteraction() { |
| super.onUserInteraction(); |
| if (!mMediaRecorderRecording) keepScreenOnAwhile(); |
| } |
| |
| @Override |
| public void onBackPressed() { |
| if (mPausing) return; |
| if (mMediaRecorderRecording) { |
| onStopVideoRecording(false); |
| } else if (mHeadUpDisplay == null || !mHeadUpDisplay.collapse()) { |
| super.onBackPressed(); |
| } |
| } |
| |
| @Override |
| public boolean onKeyDown(int keyCode, KeyEvent event) { |
| // Do not handle any key if the activity is paused. |
| if (mPausing) { |
| return true; |
| } |
| |
| switch (keyCode) { |
| case KeyEvent.KEYCODE_CAMERA: |
| if (event.getRepeatCount() == 0) { |
| mShutterButton.performClick(); |
| return true; |
| } |
| break; |
| case KeyEvent.KEYCODE_DPAD_CENTER: |
| if (event.getRepeatCount() == 0) { |
| mShutterButton.performClick(); |
| return true; |
| } |
| break; |
| case KeyEvent.KEYCODE_MENU: |
| if (mMediaRecorderRecording) { |
| onStopVideoRecording(true); |
| return true; |
| } |
| break; |
| } |
| |
| return super.onKeyDown(keyCode, event); |
| } |
| |
| @Override |
| public boolean onKeyUp(int keyCode, KeyEvent event) { |
| switch (keyCode) { |
| case KeyEvent.KEYCODE_CAMERA: |
| mShutterButton.setPressed(false); |
| return true; |
| } |
| return super.onKeyUp(keyCode, event); |
| } |
| |
| public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { |
| // Make sure we have a surface in the holder before proceeding. |
| if (holder.getSurface() == null) { |
| Log.d(TAG, "holder.getSurface() == null"); |
| return; |
| } |
| |
| if (mPausing) { |
| // We're pausing, the screen is off and we already stopped |
| // video recording. We don't want to start the camera again |
| // in this case in order to conserve power. |
| // The fact that surfaceChanged is called _after_ an onPause appears |
| // to be legitimate since in that case the lockscreen always returns |
| // to portrait orientation possibly triggering the notification. |
| return; |
| } |
| |
| // The mCameraDevice will be null if it is fail to connect to the |
| // camera hardware. In this case we will show a dialog and then |
| // finish the activity, so it's OK to ignore it. |
| if (mCameraDevice == null) return; |
| |
| if (mMediaRecorderRecording) { |
| stopVideoRecording(); |
| } |
| |
| // Set preview display if the surface is being created. Preview was |
| // already started. |
| if (holder.isCreating()) { |
| setPreviewDisplay(holder); |
| mCameraDevice.unlock(); |
| mHandler.sendEmptyMessage(INIT_RECORDER); |
| } |
| } |
| |
| public void surfaceCreated(SurfaceHolder holder) { |
| mSurfaceHolder = holder; |
| } |
| |
| public void surfaceDestroyed(SurfaceHolder holder) { |
| mSurfaceHolder = null; |
| } |
| |
| private void gotoGallery() { |
| MenuHelper.gotoCameraVideoGallery(this); |
| } |
| |
| @Override |
| public boolean onCreateOptionsMenu(Menu menu) { |
| super.onCreateOptionsMenu(menu); |
| |
| if (mIsVideoCaptureIntent) { |
| // No options menu for attach mode. |
| return false; |
| } else { |
| addBaseMenuItems(menu); |
| } |
| return true; |
| } |
| |
| private boolean isVideoCaptureIntent() { |
| String action = getIntent().getAction(); |
| return (MediaStore.ACTION_VIDEO_CAPTURE.equals(action)); |
| } |
| |
| private void doReturnToCaller(boolean valid) { |
| Intent resultIntent = new Intent(); |
| int resultCode; |
| if (valid) { |
| resultCode = RESULT_OK; |
| resultIntent.setData(mCurrentVideoUri); |
| } else { |
| resultCode = RESULT_CANCELED; |
| } |
| setResult(resultCode, resultIntent); |
| finish(); |
| } |
| |
| /** |
| * Returns |
| * |
| * @return number of bytes available, or an ERROR code. |
| */ |
| private static long getAvailableStorage() { |
| try { |
| if (!ImageManager.hasStorage()) { |
| return NO_STORAGE_ERROR; |
| } else { |
| String storageDirectory = |
| Environment.getExternalStorageDirectory().toString(); |
| StatFs stat = new StatFs(storageDirectory); |
| return (long) stat.getAvailableBlocks() |
| * (long) stat.getBlockSize(); |
| } |
| } catch (Exception ex) { |
| // if we can't stat the filesystem then we don't know how many |
| // free bytes exist. It might be zero but just leave it |
| // blank since we really don't know. |
| Log.e(TAG, "Fail to access sdcard", ex); |
| return CANNOT_STAT_ERROR; |
| } |
| } |
| |
| private void cleanupEmptyFile() { |
| if (mCameraVideoFilename != null) { |
| File f = new File(mCameraVideoFilename); |
| if (f.length() == 0 && f.delete()) { |
| Log.v(TAG, "Empty video file deleted: " + mCameraVideoFilename); |
| mCameraVideoFilename = null; |
| } |
| } |
| } |
| |
| private android.hardware.Camera mCameraDevice; |
| |
| // Prepares media recorder. |
| private void initializeRecorder() { |
| Log.v(TAG, "initializeRecorder"); |
| if (mMediaRecorder != null) return; |
| |
| // We will call initializeRecorder() again when the alert is hidden. |
| // If the mCameraDevice is null, then this activity is going to finish |
| if (isAlertVisible() || mCameraDevice == null) return; |
| |
| Intent intent = getIntent(); |
| Bundle myExtras = intent.getExtras(); |
| |
| long requestedSizeLimit = 0; |
| if (mIsVideoCaptureIntent && myExtras != null) { |
| Uri saveUri = (Uri) myExtras.getParcelable(MediaStore.EXTRA_OUTPUT); |
| if (saveUri != null) { |
| try { |
| mCameraVideoFileDescriptor = |
| mContentResolver.openFileDescriptor(saveUri, "rw") |
| .getFileDescriptor(); |
| mCurrentVideoUri = saveUri; |
| } catch (java.io.FileNotFoundException ex) { |
| // invalid uri |
| Log.e(TAG, ex.toString()); |
| } |
| } |
| requestedSizeLimit = myExtras.getLong(MediaStore.EXTRA_SIZE_LIMIT); |
| } |
| mMediaRecorder = new MediaRecorder(); |
| |
| mMediaRecorder.setCamera(mCameraDevice); |
| mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC); |
| mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA); |
| mMediaRecorder.setProfile(mProfile); |
| mMediaRecorder.setMaxDuration(mMaxVideoDurationInMs); |
| |
| // Set output file. |
| if (mStorageStatus != STORAGE_STATUS_OK) { |
| mMediaRecorder.setOutputFile("/dev/null"); |
| } else { |
| // Try Uri in the intent first. If it doesn't exist, use our own |
| // instead. |
| if (mCameraVideoFileDescriptor != null) { |
| mMediaRecorder.setOutputFile(mCameraVideoFileDescriptor); |
| } else { |
| createVideoPath(); |
| mMediaRecorder.setOutputFile(mCameraVideoFilename); |
| } |
| } |
| |
| mMediaRecorder.setPreviewDisplay(mSurfaceHolder.getSurface()); |
| |
| // Set maximum file size. |
| // remaining >= LOW_STORAGE_THRESHOLD at this point, reserve a quarter |
| // of that to make it more likely that recording can complete |
| // successfully. |
| long maxFileSize = getAvailableStorage() - LOW_STORAGE_THRESHOLD / 4; |
| if (requestedSizeLimit > 0 && requestedSizeLimit < maxFileSize) { |
| maxFileSize = requestedSizeLimit; |
| } |
| |
| try { |
| mMediaRecorder.setMaxFileSize(maxFileSize); |
| } catch (RuntimeException exception) { |
| // We are going to ignore failure of setMaxFileSize here, as |
| // a) The composer selected may simply not support it, or |
| // b) The underlying media framework may not handle 64-bit range |
| // on the size restriction. |
| } |
| |
| try { |
| mMediaRecorder.prepare(); |
| } catch (IOException e) { |
| Log.e(TAG, "prepare failed for " + mCameraVideoFilename); |
| releaseMediaRecorder(); |
| throw new RuntimeException(e); |
| } |
| mMediaRecorderRecording = false; |
| |
| // Update the last video thumbnail. |
| if (!mIsVideoCaptureIntent) { |
| if (!mThumbController.isUriValid()) { |
| updateLastVideo(); |
| } |
| mThumbController.updateDisplayIfNeeded(); |
| } |
| } |
| |
| private void releaseMediaRecorder() { |
| Log.v(TAG, "Releasing media recorder."); |
| if (mMediaRecorder != null) { |
| cleanupEmptyFile(); |
| mMediaRecorder.reset(); |
| mMediaRecorder.release(); |
| mMediaRecorder = null; |
| } |
| } |
| |
| private void createVideoPath() { |
| long dateTaken = System.currentTimeMillis(); |
| String title = createName(dateTaken); |
| String filename = title + ".3gp"; // Used when emailing. |
| String cameraDirPath = ImageManager.CAMERA_IMAGE_BUCKET_NAME; |
| String filePath = cameraDirPath + "/" + filename; |
| File cameraDir = new File(cameraDirPath); |
| cameraDir.mkdirs(); |
| ContentValues values = new ContentValues(7); |
| values.put(Video.Media.TITLE, title); |
| values.put(Video.Media.DISPLAY_NAME, filename); |
| values.put(Video.Media.DATE_TAKEN, dateTaken); |
| values.put(Video.Media.MIME_TYPE, "video/3gpp"); |
| values.put(Video.Media.DATA, filePath); |
| mCameraVideoFilename = filePath; |
| Log.v(TAG, "Current camera video filename: " + mCameraVideoFilename); |
| mCurrentVideoValues = values; |
| } |
| |
| private void registerVideo() { |
| if (mCameraVideoFileDescriptor == null) { |
| Uri videoTable = Uri.parse("content://media/external/video/media"); |
| mCurrentVideoValues.put(Video.Media.SIZE, |
| new File(mCurrentVideoFilename).length()); |
| try { |
| mCurrentVideoUri = mContentResolver.insert(videoTable, |
| mCurrentVideoValues); |
| } catch (Exception e) { |
| // We failed to insert into the database. This can happen if |
| // the SD card is unmounted. |
| mCurrentVideoUri = null; |
| mCurrentVideoFilename = null; |
| } finally { |
| Log.v(TAG, "Current video URI: " + mCurrentVideoUri); |
| } |
| } |
| mCurrentVideoValues = null; |
| } |
| |
| private void deleteCurrentVideo() { |
| if (mCurrentVideoFilename != null) { |
| deleteVideoFile(mCurrentVideoFilename); |
| mCurrentVideoFilename = null; |
| } |
| if (mCurrentVideoUri != null) { |
| mContentResolver.delete(mCurrentVideoUri, null, null); |
| mCurrentVideoUri = null; |
| } |
| updateAndShowStorageHint(true); |
| } |
| |
| private void deleteVideoFile(String fileName) { |
| Log.v(TAG, "Deleting video " + fileName); |
| File f = new File(fileName); |
| if (!f.delete()) { |
| Log.v(TAG, "Could not delete " + fileName); |
| } |
| } |
| |
| private void addBaseMenuItems(Menu menu) { |
| MenuHelper.addSwitchModeMenuItem(menu, false, new Runnable() { |
| public void run() { |
| switchToCameraMode(); |
| } |
| }); |
| MenuItem gallery = menu.add(Menu.NONE, Menu.NONE, |
| MenuHelper.POSITION_GOTO_GALLERY, |
| R.string.camera_gallery_photos_text) |
| .setOnMenuItemClickListener( |
| new OnMenuItemClickListener() { |
| public boolean onMenuItemClick(MenuItem item) { |
| gotoGallery(); |
| return true; |
| } |
| }); |
| gallery.setIcon(android.R.drawable.ic_menu_gallery); |
| mGalleryItems.add(gallery); |
| |
| if (mNumberOfCameras > 1) { |
| menu.add(Menu.NONE, Menu.NONE, |
| MenuHelper.POSITION_SWITCH_CAMERA_ID, |
| R.string.switch_camera_id) |
| .setOnMenuItemClickListener(new OnMenuItemClickListener() { |
| public boolean onMenuItemClick(MenuItem item) { |
| switchCameraId(); |
| return true; |
| } |
| }).setIcon(android.R.drawable.ic_menu_camera); |
| } |
| } |
| |
| private void switchCameraId() { |
| mSwitching = true; |
| |
| mCameraId = (mCameraId + 1) % mNumberOfCameras; |
| CameraSettings.writePreferredCameraId(mPreferences, mCameraId); |
| |
| changeHeadUpDisplayState(); |
| |
| // This is similar to what mShutterButton.performClick() does, |
| // but not quite the same. |
| if (mMediaRecorderRecording) { |
| if (mIsVideoCaptureIntent) { |
| stopVideoRecording(); |
| showAlert(); |
| } else { |
| stopVideoRecordingAndGetThumbnail(); |
| } |
| } else { |
| stopVideoRecording(); |
| } |
| closeCamera(); |
| mHandler.removeMessages(INIT_RECORDER); |
| |
| // Reload the preferences. |
| mPreferences.setLocalId(this, mCameraId); |
| CameraSettings.upgradeLocalPreferences(mPreferences.getLocal()); |
| |
| // Restart preview |
| try { |
| startPreview(); |
| } catch (CameraHardwareException e) { |
| showCameraBusyAndFinish(); |
| return; |
| } |
| |
| // Reload the UI. |
| initializeHeadUpDisplay(); |
| |
| if (mSurfaceHolder != null) { |
| mHandler.sendEmptyMessage(INIT_RECORDER); |
| } |
| |
| mSwitching = false; |
| changeHeadUpDisplayState(); |
| } |
| |
| private PreferenceGroup filterPreferenceScreenByIntent( |
| PreferenceGroup screen) { |
| Intent intent = getIntent(); |
| if (intent.hasExtra(MediaStore.EXTRA_VIDEO_QUALITY)) { |
| CameraSettings.removePreferenceFromScreen(screen, |
| CameraSettings.KEY_VIDEO_QUALITY); |
| } |
| |
| if (intent.hasExtra(MediaStore.EXTRA_DURATION_LIMIT)) { |
| CameraSettings.removePreferenceFromScreen(screen, |
| CameraSettings.KEY_VIDEO_QUALITY); |
| } |
| return screen; |
| } |
| |
| // from MediaRecorder.OnErrorListener |
| public void onError(MediaRecorder mr, int what, int extra) { |
| if (what == MediaRecorder.MEDIA_RECORDER_ERROR_UNKNOWN) { |
| // We may have run out of space on the sdcard. |
| stopVideoRecording(); |
| updateAndShowStorageHint(true); |
| } |
| } |
| |
| // from MediaRecorder.OnInfoListener |
| public void onInfo(MediaRecorder mr, int what, int extra) { |
| if (what == MediaRecorder.MEDIA_RECORDER_INFO_MAX_DURATION_REACHED) { |
| if (mMediaRecorderRecording) onStopVideoRecording(true); |
| } else if (what |
| == MediaRecorder.MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED) { |
| if (mMediaRecorderRecording) onStopVideoRecording(true); |
| |
| // Show the toast. |
| Toast.makeText(VideoCamera.this, R.string.video_reach_size_limit, |
| Toast.LENGTH_LONG).show(); |
| } |
| } |
| |
| /* |
| * Make sure we're not recording music playing in the background, ask the |
| * MediaPlaybackService to pause playback. |
| */ |
| private void pauseAudioPlayback() { |
| // Shamelessly copied from MediaPlaybackService.java, which |
| // should be public, but isn't. |
| Intent i = new Intent("com.android.music.musicservicecommand"); |
| i.putExtra("command", "pause"); |
| |
| sendBroadcast(i); |
| } |
| |
| private void startVideoRecording() { |
| Log.v(TAG, "startVideoRecording"); |
| if (!mMediaRecorderRecording) { |
| |
| if (mStorageStatus != STORAGE_STATUS_OK) { |
| Log.v(TAG, "Storage issue, ignore the start request"); |
| return; |
| } |
| |
| // Check mMediaRecorder to see whether it is initialized or not. |
| if (mMediaRecorder == null) { |
| Log.e(TAG, "MediaRecorder is not initialized."); |
| return; |
| } |
| |
| pauseAudioPlayback(); |
| |
| try { |
| mMediaRecorder.setOnErrorListener(this); |
| mMediaRecorder.setOnInfoListener(this); |
| mMediaRecorder.start(); // Recording is now started |
| } catch (RuntimeException e) { |
| Log.e(TAG, "Could not start media recorder. ", e); |
| return; |
| } |
| mHeadUpDisplay.setEnabled(false); |
| |
| mMediaRecorderRecording = true; |
| mRecordingStartTime = SystemClock.uptimeMillis(); |
| updateRecordingIndicator(false); |
| mRecordingTimeView.setText(""); |
| mRecordingTimeView.setVisibility(View.VISIBLE); |
| updateRecordingTime(); |
| keepScreenOn(); |
| } |
| } |
| |
| private void updateRecordingIndicator(boolean showRecording) { |
| int drawableId = |
| showRecording ? R.drawable.btn_ic_video_record |
| : R.drawable.btn_ic_video_record_stop; |
| Drawable drawable = getResources().getDrawable(drawableId); |
| mShutterButton.setImageDrawable(drawable); |
| } |
| |
| private void stopVideoRecordingAndGetThumbnail() { |
| stopVideoRecording(); |
| acquireVideoThumb(); |
| } |
| |
| private void stopVideoRecordingAndReturn(boolean valid) { |
| stopVideoRecording(); |
| doReturnToCaller(valid); |
| } |
| |
| private void stopVideoRecordingAndShowAlert() { |
| stopVideoRecording(); |
| showAlert(); |
| } |
| |
| private void showAlert() { |
| fadeOut(findViewById(R.id.shutter_button)); |
| if (mCurrentVideoFilename != null) { |
| mVideoFrame.setImageBitmap( |
| ThumbnailUtils.createVideoThumbnail(mCurrentVideoFilename, |
| Video.Thumbnails.MINI_KIND)); |
| mVideoFrame.setVisibility(View.VISIBLE); |
| } |
| int[] pickIds = {R.id.btn_retake, R.id.btn_done, R.id.btn_play}; |
| for (int id : pickIds) { |
| View button = findViewById(id); |
| fadeIn(((View) button.getParent())); |
| } |
| } |
| |
| private void hideAlert() { |
| mVideoFrame.setVisibility(View.INVISIBLE); |
| fadeIn(findViewById(R.id.shutter_button)); |
| int[] pickIds = {R.id.btn_retake, R.id.btn_done, R.id.btn_play}; |
| for (int id : pickIds) { |
| View button = findViewById(id); |
| fadeOut(((View) button.getParent())); |
| } |
| } |
| |
| private static void fadeIn(View view) { |
| view.setVisibility(View.VISIBLE); |
| Animation animation = new AlphaAnimation(0F, 1F); |
| animation.setDuration(500); |
| view.startAnimation(animation); |
| } |
| |
| private static void fadeOut(View view) { |
| view.setVisibility(View.INVISIBLE); |
| Animation animation = new AlphaAnimation(1F, 0F); |
| animation.setDuration(500); |
| view.startAnimation(animation); |
| } |
| |
| private boolean isAlertVisible() { |
| return this.mVideoFrame.getVisibility() == View.VISIBLE; |
| } |
| |
| private void viewLastVideo() { |
| Intent intent = null; |
| if (mThumbController.isUriValid()) { |
| intent = new Intent(Util.REVIEW_ACTION, mThumbController.getUri()); |
| try { |
| startActivity(intent); |
| } catch (ActivityNotFoundException ex) { |
| try { |
| intent = new Intent(Intent.ACTION_VIEW, mThumbController.getUri()); |
| } catch (ActivityNotFoundException e) { |
| Log.e(TAG, "review video fail", e); |
| } |
| } |
| } else { |
| Log.e(TAG, "Can't view last video."); |
| } |
| } |
| |
| private void stopVideoRecording() { |
| Log.v(TAG, "stopVideoRecording"); |
| boolean needToRegisterRecording = false; |
| if (mMediaRecorderRecording || mMediaRecorder != null) { |
| if (mMediaRecorderRecording && mMediaRecorder != null) { |
| try { |
| mMediaRecorder.setOnErrorListener(null); |
| mMediaRecorder.setOnInfoListener(null); |
| mMediaRecorder.stop(); |
| } catch (RuntimeException e) { |
| Log.e(TAG, "stop fail: " + e.getMessage()); |
| } |
| mHeadUpDisplay.setEnabled(true); |
| mCurrentVideoFilename = mCameraVideoFilename; |
| Log.v(TAG, "Setting current video filename: " |
| + mCurrentVideoFilename); |
| needToRegisterRecording = true; |
| mMediaRecorderRecording = false; |
| } |
| releaseMediaRecorder(); |
| updateRecordingIndicator(true); |
| mRecordingTimeView.setVisibility(View.GONE); |
| keepScreenOnAwhile(); |
| } |
| if (needToRegisterRecording && mStorageStatus == STORAGE_STATUS_OK) { |
| registerVideo(); |
| } |
| |
| mCameraVideoFilename = null; |
| mCameraVideoFileDescriptor = null; |
| } |
| |
| private void resetScreenOn() { |
| mHandler.removeMessages(CLEAR_SCREEN_DELAY); |
| getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); |
| } |
| |
| private void keepScreenOnAwhile() { |
| mHandler.removeMessages(CLEAR_SCREEN_DELAY); |
| getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); |
| mHandler.sendEmptyMessageDelayed(CLEAR_SCREEN_DELAY, SCREEN_DELAY); |
| } |
| |
| private void keepScreenOn() { |
| mHandler.removeMessages(CLEAR_SCREEN_DELAY); |
| getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); |
| } |
| |
| private void hideAlertAndInitializeRecorder() { |
| hideAlert(); |
| mHandler.sendEmptyMessage(INIT_RECORDER); |
| } |
| |
| private void acquireVideoThumb() { |
| Bitmap videoFrame = ThumbnailUtils.createVideoThumbnail( |
| mCurrentVideoFilename, Video.Thumbnails.MINI_KIND); |
| mThumbController.setData(mCurrentVideoUri, videoFrame); |
| } |
| |
| private static ImageManager.DataLocation dataLocation() { |
| return ImageManager.DataLocation.EXTERNAL; |
| } |
| |
| private void updateLastVideo() { |
| IImageList list = ImageManager.makeImageList( |
| mContentResolver, |
| dataLocation(), |
| ImageManager.INCLUDE_VIDEOS, |
| ImageManager.SORT_ASCENDING, |
| ImageManager.CAMERA_IMAGE_BUCKET_ID); |
| int count = list.getCount(); |
| if (count > 0) { |
| IImage image = list.getImageAt(count - 1); |
| Uri uri = image.fullSizeImageUri(); |
| mThumbController.setData(uri, image.miniThumbBitmap()); |
| } else { |
| mThumbController.setData(null, null); |
| } |
| list.close(); |
| } |
| |
| private void updateRecordingTime() { |
| if (!mMediaRecorderRecording) { |
| return; |
| } |
| long now = SystemClock.uptimeMillis(); |
| long delta = now - mRecordingStartTime; |
| |
| // Starting a minute before reaching the max duration |
| // limit, we'll countdown the remaining time instead. |
| boolean countdownRemainingTime = (mMaxVideoDurationInMs != 0 |
| && delta >= mMaxVideoDurationInMs - 60000); |
| |
| long next_update_delay = 1000 - (delta % 1000); |
| long seconds; |
| if (countdownRemainingTime) { |
| delta = Math.max(0, mMaxVideoDurationInMs - delta); |
| seconds = (delta + 999) / 1000; |
| } else { |
| seconds = delta / 1000; // round to nearest |
| } |
| |
| long minutes = seconds / 60; |
| long hours = minutes / 60; |
| long remainderMinutes = minutes - (hours * 60); |
| long remainderSeconds = seconds - (minutes * 60); |
| |
| String secondsString = Long.toString(remainderSeconds); |
| if (secondsString.length() < 2) { |
| secondsString = "0" + secondsString; |
| } |
| String minutesString = Long.toString(remainderMinutes); |
| if (minutesString.length() < 2) { |
| minutesString = "0" + minutesString; |
| } |
| String text = minutesString + ":" + secondsString; |
| if (hours > 0) { |
| String hoursString = Long.toString(hours); |
| if (hoursString.length() < 2) { |
| hoursString = "0" + hoursString; |
| } |
| text = hoursString + ":" + text; |
| } |
| mRecordingTimeView.setText(text); |
| |
| if (mRecordingTimeCountsDown != countdownRemainingTime) { |
| // Avoid setting the color on every update, do it only |
| // when it needs changing. |
| mRecordingTimeCountsDown = countdownRemainingTime; |
| |
| int color = getResources().getColor(countdownRemainingTime |
| ? R.color.recording_time_remaining_text |
| : R.color.recording_time_elapsed_text); |
| |
| mRecordingTimeView.setTextColor(color); |
| } |
| |
| mHandler.sendEmptyMessageDelayed( |
| UPDATE_RECORD_TIME, next_update_delay); |
| } |
| |
| private static boolean isSupported(String value, List<String> supported) { |
| return supported == null ? false : supported.indexOf(value) >= 0; |
| } |
| |
| private void setCameraParameters() { |
| mParameters = mCameraDevice.getParameters(); |
| |
| mParameters.setPreviewSize(mProfile.videoFrameWidth, mProfile.videoFrameHeight); |
| mParameters.setPreviewFrameRate(mProfile.videoFrameRate); |
| |
| // Set flash mode. |
| String flashMode = mPreferences.getString( |
| CameraSettings.KEY_VIDEOCAMERA_FLASH_MODE, |
| getString(R.string.pref_camera_video_flashmode_default)); |
| List<String> supportedFlash = mParameters.getSupportedFlashModes(); |
| if (isSupported(flashMode, supportedFlash)) { |
| mParameters.setFlashMode(flashMode); |
| } else { |
| flashMode = mParameters.getFlashMode(); |
| if (flashMode == null) { |
| flashMode = getString( |
| R.string.pref_camera_flashmode_no_flash); |
| } |
| } |
| |
| // Set white balance parameter. |
| String whiteBalance = mPreferences.getString( |
| CameraSettings.KEY_WHITE_BALANCE, |
| getString(R.string.pref_camera_whitebalance_default)); |
| if (isSupported(whiteBalance, |
| mParameters.getSupportedWhiteBalance())) { |
| mParameters.setWhiteBalance(whiteBalance); |
| } else { |
| whiteBalance = mParameters.getWhiteBalance(); |
| if (whiteBalance == null) { |
| whiteBalance = Parameters.WHITE_BALANCE_AUTO; |
| } |
| } |
| |
| // Set color effect parameter. |
| String colorEffect = mPreferences.getString( |
| CameraSettings.KEY_COLOR_EFFECT, |
| getString(R.string.pref_camera_coloreffect_default)); |
| if (isSupported(colorEffect, mParameters.getSupportedColorEffects())) { |
| mParameters.setColorEffect(colorEffect); |
| } |
| |
| mCameraDevice.setParameters(mParameters); |
| } |
| |
| private boolean switchToCameraMode() { |
| if (isFinishing() || mMediaRecorderRecording) return false; |
| MenuHelper.gotoCameraMode(this); |
| finish(); |
| return true; |
| } |
| |
| public boolean onSwitchChanged(Switcher source, boolean onOff) { |
| if (onOff == SWITCH_CAMERA) { |
| return switchToCameraMode(); |
| } else { |
| return true; |
| } |
| } |
| |
| @Override |
| public void onConfigurationChanged(Configuration config) { |
| super.onConfigurationChanged(config); |
| |
| // If the camera resumes behind the lock screen, the orientation |
| // will be portrait. That causes OOM when we try to allocation GPU |
| // memory for the GLSurfaceView again when the orientation changes. So, |
| // we delayed initialization of HeadUpDisplay until the orientation |
| // becomes landscape. |
| changeHeadUpDisplayState(); |
| } |
| |
| private void resetCameraParameters() { |
| // We need to restart the preview if preview size is changed. |
| Size size = mParameters.getPreviewSize(); |
| if (size.width != mProfile.videoFrameWidth |
| || size.height != mProfile.videoFrameHeight) { |
| // It is assumed media recorder is released before |
| // onSharedPreferenceChanged, so we can close the camera here. |
| closeCamera(); |
| try { |
| resizeForPreviewAspectRatio(); |
| startPreview(); // Parameters will be set in startPreview(). |
| } catch (CameraHardwareException e) { |
| showCameraBusyAndFinish(); |
| } |
| } else { |
| try { |
| // We need to lock the camera before writing parameters. |
| mCameraDevice.lock(); |
| } catch (RuntimeException e) { |
| // When preferences are added for the first time, this method |
| // will be called. But OnScreenSetting is not displayed yet and |
| // media recorder still owns the camera. Lock will fail and we |
| // just ignore it. |
| return; |
| } |
| setCameraParameters(); |
| mCameraDevice.unlock(); |
| } |
| } |
| |
| public void onSizeChanged() { |
| // TODO: update the content on GLRootView |
| } |
| |
| private class MyHeadUpDisplayListener implements HeadUpDisplay.Listener { |
| public void onSharedPreferencesChanged() { |
| mHandler.post(new Runnable() { |
| public void run() { |
| VideoCamera.this.onSharedPreferencesChanged(); |
| } |
| }); |
| } |
| |
| public void onRestorePreferencesClicked() { |
| mHandler.post(new Runnable() { |
| public void run() { |
| VideoCamera.this.onRestorePreferencesClicked(); |
| } |
| }); |
| } |
| |
| public void onPopupWindowVisibilityChanged(final int visibility) { |
| mHandler.post(new Runnable() { |
| public void run() { |
| VideoCamera.this.onPopupWindowVisibilityChanged(visibility); |
| } |
| }); |
| } |
| } |
| |
| private void onPopupWindowVisibilityChanged(int visibility) { |
| if (visibility == GLView.VISIBLE) { |
| releaseMediaRecorder(); |
| } else { |
| if (!mPausing && mSurfaceHolder != null) initializeRecorder(); |
| } |
| } |
| |
| private void onRestorePreferencesClicked() { |
| Runnable runnable = new Runnable() { |
| public void run() { |
| mHeadUpDisplay.restorePreferences(mParameters); |
| } |
| }; |
| MenuHelper.confirmAction(this, |
| getString(R.string.confirm_restore_title), |
| getString(R.string.confirm_restore_message), |
| runnable); |
| } |
| |
| private void onSharedPreferencesChanged() { |
| // ignore the events after "onPause()" or preview has not started yet |
| if (mPausing) return; |
| synchronized (mPreferences) { |
| readVideoPreferences(); |
| // If mCameraDevice is not ready then we can set the parameter in |
| // startPreview(). |
| if (mCameraDevice == null) return; |
| resetCameraParameters(); |
| } |
| } |
| } |
