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|
/*
* 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 java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import android.app.Activity;
import android.app.AlertDialog;
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.graphics.Bitmap;
import android.graphics.drawable.ColorDrawable;
import android.location.LocationManager;
import android.media.MediaMetadataRetriever;
import android.media.MediaRecorder;
import android.net.Uri;
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.preference.PreferenceManager;
import android.provider.MediaStore;
import android.provider.MediaStore.Video;
import android.text.format.DateFormat;
import android.util.Log;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.SurfaceHolder;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.view.MenuItem.OnMenuItemClickListener;
import android.view.animation.Animation;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
public class VideoCamera extends Activity implements View.OnClickListener, SurfaceHolder.Callback {
private static final String TAG = "videocamera";
private static final boolean DEBUG = true;
private static final boolean DEBUG_SUPPRESS_AUDIO_RECORDING = DEBUG && false;
private static final boolean DEBUG_DO_NOT_REUSE_MEDIA_RECORDER = DEBUG && true;
private static final int KEEP = 2;
private static final int CLEAR_SCREEN_DELAY = 4;
private static final int UPDATE_RECORD_TIME = 5;
private static final int SCREEN_DELAY = 2 * 60 * 1000;
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;
public static final int MENU_SETTINGS = 6;
public static final int MENU_GALLERY_PHOTOS = 7;
public static final int MENU_GALLERY_VIDEOS = 8;
public static final int MENU_SAVE_GALLERY_PHOTO = 34;
public static final int MENU_SAVE_PLAY_VIDEO = 35;
public static final int MENU_SAVE_SELECT_VIDEO = 36;
public static final int MENU_SAVE_NEW_VIDEO = 37;
Toast mToast;
SharedPreferences mPreferences;
private static final float VIDEO_ASPECT_RATIO = 176.0f / 144.0f;
VideoPreview mVideoPreview;
SurfaceHolder mSurfaceHolder = null;
ImageView mBlackout = null;
ImageView mVideoFrame;
Bitmap mVideoFrameBitmap;
private MediaRecorder mMediaRecorder;
private boolean mMediaRecorderRecording = false;
private boolean mNeedToDeletePartialRecording;
private boolean mNeedToRegisterRecording;
private long mRecordingStartTime;
private String mCurrentVideoFilename;
private Uri mCurrentVideoUri;
private ContentValues mCurrentVideoValues;
boolean mPausing = false;
static ContentResolver mContentResolver;
boolean mDidRegister = false;
int mCurrentZoomIndex = 0;
private ImageView mModeIndicatorView;
private ImageView mRecordingIndicatorView;
private TextView mRecordingTimeView;
ArrayList<MenuItem> mGalleryItems = new ArrayList<MenuItem>();
View mPostPictureAlert;
LocationManager mLocationManager = null;
private Handler mHandler = new MainHandler();
private void cancelSavingNotification() {
if (mToast != null) {
mToast.cancel();
mToast = null;
}
}
/** 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 KEEP: {
keep();
if (msg.obj != null) {
mHandler.post((Runnable)msg.obj);
}
break;
}
case CLEAR_SCREEN_DELAY: {
getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
break;
}
case UPDATE_RECORD_TIME: {
if (mMediaRecorderRecording) {
long now = SystemClock.uptimeMillis();
long delta = now - mRecordingStartTime;
long seconds = delta / 1000;
long minutes = seconds / 60;
long remainderSeconds = seconds - (minutes * 60);
String secondsString = Long.toString(remainderSeconds);
if (secondsString.length() < 2) {
secondsString = "0" + secondsString;
}
String minutesString = Long.toString(minutes);
if (minutesString.length() < 2) {
minutesString = "0" + minutesString;
}
String text = minutesString + ":" + secondsString;
mRecordingTimeView.setText(text);
// Work around a limitation of the T-Mobile G1: The T-Mobile
// hardware blitter can't pixel-accurately scale and clip at the same time,
// and the SurfaceFlinger doesn't attempt to work around this limitation.
// In order to avoid visual corruption we must manually refresh the entire
// surface view when changing any overlapping view's contents.
mVideoPreview.invalidate();
mHandler.sendEmptyMessageDelayed(UPDATE_RECORD_TIME, 1000);
}
break;
}
default:
Log.v(TAG, "Unhandled message: " + msg.what);
break;
}
}
};
private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (action.equals(Intent.ACTION_MEDIA_MOUNTED)) {
// SD card available
// TODO put up a "please wait" message
// TODO also listen for the media scanner finished message
showStorageToast();
} else if (action.equals(Intent.ACTION_MEDIA_UNMOUNTED)) {
// SD card unavailable
showStorageToast();
} 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)) {
showStorageToast();
}
}
};
static private String createName(long dateTaken) {
return DateFormat.format("yyyy-MM-dd kk.mm.ss", dateTaken).toString();
}
private void postAfterKeep(final Runnable r) {
Message msg = mHandler.obtainMessage(KEEP);
msg.obj = r;
msg.sendToTarget();
}
/** Called with the activity is first created. */
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
mLocationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
mPreferences = PreferenceManager.getDefaultSharedPreferences(this);
mContentResolver = getContentResolver();
//setDefaultKeyMode(DEFAULT_KEYS_SHORTCUT);
requestWindowFeature(Window.FEATURE_PROGRESS);
Window win = getWindow();
win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
setContentView(R.layout.video_camera);
mVideoPreview = (VideoPreview) findViewById(R.id.camera_preview);
mVideoPreview.setAspectRatio(VIDEO_ASPECT_RATIO);
// 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);
mBlackout = (ImageView) findViewById(R.id.blackout);
mBlackout.setBackgroundDrawable(new ColorDrawable(0xFF000000));
mPostPictureAlert = findViewById(R.id.post_picture_panel);
int[] ids = new int[]{R.id.play, R.id.share, R.id.discard,
R.id.capture, R.id.cancel, R.id.accept};
for (int id : ids) {
findViewById(id).setOnClickListener(this);
}
mModeIndicatorView = (ImageView) findViewById(R.id.mode_indicator);
mRecordingIndicatorView = (ImageView) findViewById(R.id.recording_indicator);
mRecordingTimeView = (TextView) findViewById(R.id.recording_time);
mVideoFrame = (ImageView) findViewById(R.id.video_frame);
}
@Override
public void onStart() {
super.onStart();
final View hintView = findViewById(R.id.hint_toast);
if (hintView != null)
hintView.setVisibility(View.GONE);
Thread t = new Thread(new Runnable() {
public void run() {
final boolean storageOK = getAvailableStorage() >= LOW_STORAGE_THRESHOLD;
if (hintView == null)
return;
if (storageOK) {
mHandler.post(new Runnable() {
public void run() {
hintView.setVisibility(View.VISIBLE);
}
});
mHandler.postDelayed(new Runnable() {
public void run() {
Animation a = new android.view.animation.AlphaAnimation(1F, 0F);
a.setDuration(500);
a.startNow();
hintView.setAnimation(a);
hintView.setVisibility(View.GONE);
}
}, 3000);
} else {
mHandler.post(new Runnable() {
public void run() {
hintView.setVisibility(View.GONE);
showStorageToast();
}
});
}
}
});
t.start();
}
public void onClick(View v) {
switch (v.getId()) {
case R.id.capture:
doDiscardCurrentVideo();
break;
case R.id.accept:
doReturnToPicker(true);
break;
case R.id.cancel:
doReturnToPicker(false);
break;
case R.id.discard: {
doDiscardCurrentVideo();
break;
}
case R.id.share: {
Intent intent = new Intent();
intent.setAction(Intent.ACTION_SEND);
intent.setType("video/3gpp");
intent.putExtra(Intent.EXTRA_STREAM, mCurrentVideoUri);
try {
startActivity(Intent.createChooser(intent, getText(R.string.sendVideo)));
} catch (android.content.ActivityNotFoundException ex) {
Toast.makeText(VideoCamera.this, R.string.no_way_to_share_video, Toast.LENGTH_SHORT).show();
}
break;
}
case R.id.play: {
doPlayCurrentVideo();
break;
}
}
}
private void doPlayCurrentVideo() {
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);
}
}
private void doDiscardCurrentVideo() {
deleteCurrentVideo();
hideVideoFrameAndStartPreview();
}
private void showStorageToast() {
long remaining = getAvailableStorage();
if (remaining == NO_STORAGE_ERROR) {
Toast.makeText(this, getString(R.string.no_storage), Toast.LENGTH_LONG).show();
} else if (remaining < LOW_STORAGE_THRESHOLD) {
new AlertDialog.Builder(this).setTitle(R.string.spaceIsLow_title)
.setMessage(R.string.spaceIsLow_content)
.show();
}
}
@Override
public void onResume() {
super.onResume();
mHandler.sendEmptyMessageDelayed(CLEAR_SCREEN_DELAY, SCREEN_DELAY);
mPausing = false;
// install an intent filter to receive SD card related events.
IntentFilter intentFilter = new IntentFilter(Intent.ACTION_MEDIA_MOUNTED);
intentFilter.addAction(Intent.ACTION_MEDIA_UNMOUNTED);
intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_STARTED);
intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED);
intentFilter.addDataScheme("file");
registerReceiver(mReceiver, intentFilter);
mDidRegister = true;
mBlackout.setVisibility(View.INVISIBLE);
if (mVideoFrameBitmap == null) {
initializeVideo();
} else {
showPostRecordingAlert();
}
}
@Override
public void onStop() {
Log.v(TAG, "onStop");
stopVideoRecording();
keep();
mHandler.removeMessages(CLEAR_SCREEN_DELAY);
super.onStop();
}
@Override
protected void onPause() {
Log.v(TAG, "onPause");
stopVideoRecording();
keep();
hidePostPictureAlert();
mPausing = true;
if (mDidRegister) {
unregisterReceiver(mReceiver);
mDidRegister = false;
}
super.onPause();
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
mHandler.sendEmptyMessageDelayed(CLEAR_SCREEN_DELAY, SCREEN_DELAY);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
switch (keyCode) {
case KeyEvent.KEYCODE_BACK:
if (mMediaRecorderRecording) {
Log.v(TAG, "onKeyBack");
stopVideoRecordingAndDisplayDialog();
return true;
} else if(isPostRecordingAlertVisible()) {
hideVideoFrameAndStartPreview();
return true;
}
break;
case KeyEvent.KEYCODE_FOCUS:
return true;
case KeyEvent.KEYCODE_CAMERA:
case KeyEvent.KEYCODE_DPAD_CENTER:
if (event.getRepeatCount() == 0) {
if (!mMediaRecorderRecording) {
startVideoRecording();
} else {
stopVideoRecordingAndDisplayDialog();
}
return true;
}
return true;
case KeyEvent.KEYCODE_MENU:
if (mMediaRecorderRecording) {
stopVideoRecordingAndDisplayDialog();
return true;
}
hideVideoFrameAndStartPreview();
break;
}
return super.onKeyDown(keyCode, event);
}
public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
stopVideoRecording();
initializeVideo();
}
public void surfaceCreated(SurfaceHolder holder) {
mSurfaceHolder = holder;
}
public void surfaceDestroyed(SurfaceHolder holder) {
mSurfaceHolder = null;
}
void gotoGallery() {
Uri target = Video.Media.INTERNAL_CONTENT_URI;
Intent intent = new Intent(Intent.ACTION_VIEW, target);
try {
startActivity(intent);
} catch (ActivityNotFoundException e) {
Log.e(TAG, "Could not start gallery activity", e);
}
}
void keep() {
cancelSavingNotification();
};
void toss() {
cancelSavingNotification();
};
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
super.onPrepareOptionsMenu(menu);
for (int i = 1; i <= MenuHelper.MENU_ITEM_MAX; i++) {
if (i != MenuHelper.GENERIC_ITEM) {
menu.setGroupVisible(i, false);
}
}
menu.setGroupVisible(MenuHelper.VIDEO_MODE_ITEM, true);
return true;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
addBaseMenuItems(menu);
MenuHelper.addImageMenuItems(
menu,
MenuHelper.INCLUDE_ALL & ~MenuHelper.INCLUDE_ROTATE_MENU,
false,
VideoCamera.this,
mHandler,
// Handler for deletion
new Runnable() {
public void run() {
// What do we do here?
// mContentResolver.delete(uri, null, null);
}
},
new MenuHelper.MenuInvoker() {
public void run(final MenuHelper.MenuCallback cb) {
}
});
MenuItem gallery = menu.add(MenuHelper.IMAGE_SAVING_ITEM, MENU_SAVE_GALLERY_PHOTO, 0,
R.string.camera_gallery_photos_text).setOnMenuItemClickListener(
new MenuItem.OnMenuItemClickListener() {
public boolean onMenuItemClick(MenuItem item) {
postAfterKeep(new Runnable() {
public void run() {
gotoGallery();
}
});
return true;
}
});
gallery.setIcon(android.R.drawable.ic_menu_gallery);
return true;
}
private boolean isPickIntent() {
String action = getIntent().getAction();
return (Intent.ACTION_PICK.equals(action) || MediaStore.ACTION_VIDEO_CAPTURE.equals(action));
}
private void doReturnToPicker(boolean success) {
Intent resultIntent = new Intent();
int resultCode;
if (success) {
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.
return CANNOT_STAT_ERROR;
}
}
private void initializeVideo() {
Log.v(TAG, "initializeVideo");
releaseMediaRecorder();
if (mSurfaceHolder == null) {
Log.v(TAG, "SurfaceHolder is null");
return;
}
mMediaRecorder = new MediaRecorder();
mNeedToDeletePartialRecording = true;
mNeedToRegisterRecording = false;
if (DEBUG_SUPPRESS_AUDIO_RECORDING) {
Log.v(TAG, "DEBUG_SUPPRESS_AUDIO_RECORDING is true.");
} else {
mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
}
mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
Log.v(TAG, "before setOutputFile");
createVideoPath();
mMediaRecorder.setOutputFile(mCurrentVideoFilename);
boolean videoQualityHigh = getBooleanPreference(CameraSettings.KEY_VIDEO_QUALITY,
CameraSettings.DEFAULT_VIDEO_QUALITY_VALUE);
{
Intent intent = getIntent();
if (intent.hasExtra(MediaStore.EXTRA_VIDEO_QUALITY)) {
int extraVideoQuality = intent.getIntExtra(MediaStore.EXTRA_VIDEO_QUALITY, 0);
videoQualityHigh = (extraVideoQuality > 0);
}
}
// Use the same frame rate for both, since internally
// if the frame rate is too large, it can cause camera to become
// unstable. We need to fix the MediaRecorder to disable the support
// of setting frame rate for now.
mMediaRecorder.setVideoFrameRate(20);
if (videoQualityHigh) {
mMediaRecorder.setVideoSize(352,288);
} else {
mMediaRecorder.setVideoSize(176,144);
}
mMediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H263);
if (!DEBUG_SUPPRESS_AUDIO_RECORDING) {
mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
}
Log.v(TAG, "before setPreviewDisplay");
mMediaRecorder.setPreviewDisplay(mSurfaceHolder.getSurface());
try {
mMediaRecorder.prepare();
} catch (IOException exception) {
Log.e(TAG, "prepare failed for " + mCurrentVideoFilename);
releaseMediaRecorder();
// TODO: add more exception handling logic here
return;
}
mMediaRecorderRecording = false;
}
private void releaseMediaRecorder() {
Log.v(TAG, "Releasing media recorder.");
if (mMediaRecorder != null) {
mMediaRecorder.reset();
mMediaRecorder.release();
mMediaRecorder = null;
}
}
private void restartPreview() {
if (DEBUG_DO_NOT_REUSE_MEDIA_RECORDER) {
Log.v(TAG, "DEBUG_DO_NOT_REUSE_MEDIA_RECORDER recreating mMediaRecorder.");
initializeVideo();
} else {
try {
mMediaRecorder.prepare();
} catch (IOException exception) {
Log.e(TAG, "prepare failed for " + mCurrentVideoFilename);
releaseMediaRecorder();
// TODO: add more exception handling logic here
}
}
}
private int getIntPreference(String key, int defaultValue) {
String s = mPreferences.getString(key, "");
int result = defaultValue;
try {
result = Integer.parseInt(s);
} catch (NumberFormatException e) {
// Ignore, result is already the default value.
}
return result;
}
private boolean getBooleanPreference(String key, boolean defaultValue) {
return getIntPreference(key, defaultValue ? 1 : 0) != 0;
}
private void createVideoPath() {
long dateTaken = System.currentTimeMillis();
String title = createName(dateTaken);
String displayName = title + ".3gp"; // Used when emailing.
String cameraDirPath = ImageManager.CAMERA_IMAGE_BUCKET_NAME;
File cameraDir = new File(cameraDirPath);
cameraDir.mkdirs();
String filename = cameraDirPath + "/" + Long.toString(dateTaken) + ".3gp";
ContentValues values = new ContentValues(7);
values.put(Video.Media.TITLE, title);
values.put(Video.Media.DISPLAY_NAME, displayName);
values.put(Video.Media.DESCRIPTION, "");
values.put(Video.Media.DATE_TAKEN, dateTaken);
values.put(Video.Media.MIME_TYPE, "video/3gpp");
values.put(Video.Media.DATA, filename);
mCurrentVideoFilename = filename;
mCurrentVideoValues = values;
mCurrentVideoUri = null;
}
private void registerVideo() {
Uri videoTable = Uri.parse("content://media/external/video/media");
mCurrentVideoUri = mContentResolver.insert(videoTable,
mCurrentVideoValues);
mCurrentVideoValues = null;
}
private void deleteCurrentVideo() {
if (mCurrentVideoFilename != null) {
Log.v(TAG, "Deleting stub video " + mCurrentVideoFilename);
File f = new File(mCurrentVideoFilename);
if (! f.delete()) {
Log.v(TAG, "Could not delete " + mCurrentVideoFilename);
}
mCurrentVideoFilename = null;
}
if (mCurrentVideoUri != null) {
mContentResolver.delete(mCurrentVideoUri, null, null);
mCurrentVideoUri = null;
}
}
private void addBaseMenuItems(Menu menu) {
MenuHelper.addSwitchModeMenuItem(menu, this, false);
{
MenuItem gallery = menu.add(MenuHelper.IMAGE_MODE_ITEM, MENU_GALLERY_PHOTOS, 0, 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);
}
{
MenuItem gallery = menu.add(MenuHelper.VIDEO_MODE_ITEM, MENU_GALLERY_VIDEOS, 0, 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);
}
MenuItem item = menu.add(MenuHelper.GENERIC_ITEM, MENU_SETTINGS, 0, R.string.settings).setOnMenuItemClickListener(new OnMenuItemClickListener() {
public boolean onMenuItemClick(MenuItem item) {
Intent intent = new Intent();
intent.setClass(VideoCamera.this, CameraSettings.class);
startActivity(intent);
return true;
}
});
item.setIcon(android.R.drawable.ic_menu_preferences);
}
private void startVideoRecording() {
Log.v(TAG, "startVideoRecording");
if (!mMediaRecorderRecording) {
// Check mMediaRecorder to see whether it is initialized or not.
if (mMediaRecorder == null) {
initializeVideo();
}
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
try {
mMediaRecorder.start(); // Recording is now started
} catch (RuntimeException e) {
Log.e(TAG, "Could not start media recorder. ", e);
return;
}
mMediaRecorderRecording = true;
mRecordingStartTime = SystemClock.uptimeMillis();
mModeIndicatorView.setVisibility(View.GONE);
mRecordingIndicatorView.setVisibility(View.VISIBLE);
mRecordingTimeView.setText("");
mRecordingTimeView.setVisibility(View.VISIBLE);
mHandler.sendEmptyMessage(UPDATE_RECORD_TIME);
}
}
private void stopVideoRecordingAndDisplayDialog() {
Log.v(TAG, "stopVideoRecordingAndDisplayDialog");
if (mMediaRecorderRecording) {
stopVideoRecording();
acquireAndShowVideoFrame();
showPostRecordingAlert();
}
}
private void showPostRecordingAlert() {
boolean isPick = isPickIntent();
int pickVisible = isPick ? View.VISIBLE : View.GONE;
int normalVisible = ! isPick ? View.VISIBLE : View.GONE;
mPostPictureAlert.findViewById(R.id.share).setVisibility(normalVisible);
mPostPictureAlert.findViewById(R.id.discard).setVisibility(normalVisible);
mPostPictureAlert.findViewById(R.id.accept).setVisibility(pickVisible);
mPostPictureAlert.findViewById(R.id.cancel).setVisibility(pickVisible);
mPostPictureAlert.setVisibility(View.VISIBLE);
}
private void hidePostPictureAlert() {
mPostPictureAlert.setVisibility(View.INVISIBLE);
}
private boolean isPostRecordingAlertVisible() {
return mPostPictureAlert.getVisibility() == View.VISIBLE;
}
private void stopVideoRecording() {
Log.v(TAG, "stopVideoRecording");
if (mMediaRecorderRecording || mMediaRecorder != null) {
if (mMediaRecorderRecording) {
mMediaRecorder.stop();
mNeedToDeletePartialRecording = false;
mNeedToRegisterRecording = true;
mMediaRecorderRecording = false;
}
releaseMediaRecorder();
mModeIndicatorView.setVisibility(View.VISIBLE);
mRecordingIndicatorView.setVisibility(View.GONE);
mRecordingTimeView.setVisibility(View.GONE);
getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
}
if (mNeedToRegisterRecording) {
registerVideo();
mNeedToRegisterRecording = false;
}
if (mNeedToDeletePartialRecording){
deleteCurrentVideo();
mNeedToDeletePartialRecording = false;
}
}
private void hideVideoFrameAndStartPreview() {
hidePostPictureAlert();
hideVideoFrame();
restartPreview();
}
private void acquireAndShowVideoFrame() {
recycleVideoFrameBitmap();
mVideoFrameBitmap = createVideoThumbnail(mCurrentVideoFilename);
mVideoFrame.setImageBitmap(mVideoFrameBitmap);
mVideoFrame.setVisibility(View.VISIBLE);
}
private void hideVideoFrame() {
recycleVideoFrameBitmap();
mVideoFrame.setVisibility(View.GONE);
}
private void recycleVideoFrameBitmap() {
if (mVideoFrameBitmap != null) {
mVideoFrame.setImageDrawable(null);
mVideoFrameBitmap.recycle();
mVideoFrameBitmap = null;
}
}
private Bitmap createVideoThumbnail(String filePath) {
Bitmap bitmap = null;
MediaMetadataRetriever retriever = new MediaMetadataRetriever();
try {
retriever.setMode(MediaMetadataRetriever.MODE_CAPTURE_FRAME_ONLY);
retriever.setDataSource(filePath);
bitmap = retriever.captureFrame();
} finally {
retriever.release();
}
return bitmap;
}
}
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