Android 实现视频字幕Subtitle和横竖屏切换示例

public class SubtitleActivity extends Activity implements View.OnClickListener,OnTouchListener{	private VideoView videoView ;	TextView tvSrt, mCurrentTime,mTotalTime,resolution_switch,mediacontroller_file_name;	ImageView mediacontroller_play_pause,switch_screen;	private SeekBar progress_seekbar;	private AudioManager mAM;	private long totalDuration;	private boolean mShowing = true, mDragging,isResolution;	private static final int PARSE_SRT = 0;	private static final int FADE_OUT = 1;	private static final int SHOW_PROGRESS = 2;	private static final int CHANGE_VIDEOVIEW_BG = 3;	private static final int SCREEN_ORIENTATION_USER = 4;	private static final int sDefaultTimeout = 3000;	private RelativeLayout videoview_layout, mMediaController;	private ListView resolution_listview;	private boolean isPortraint = true;	private static int LockScreen = -1;// 用于记录是否关闭屏幕旋转，0为关闭1为开启	private int screenWidth,videoViewHeight;	List<VideoPathObject> videopathList=new ArrayList<VideoPathObject>();	Handler mHandler=new Handler(){		public void handleMessage(Message msg){			long pos;			switch (msg.what) {				case PARSE_SRT:					SrtParser.showSRT(videoView,tvSrt) ;				//每隔500ms执行一次showSRT()，根据时间匹配显示哪句字幕					mHandler.sendEmptyMessageDelayed(0, 500);					break;				case FADE_OUT:					showOrHideController();					break;				case SHOW_PROGRESS:					pos = setControllerProgress();					if (!mDragging && mShowing) {						msg = obtainMessage(SHOW_PROGRESS);					sendMessageDelayed(msg, 1000 - (pos % 1000));					}					break;				case CHANGE_VIDEOVIEW_BG:					videoView.setBackgroundColor(0x00000000);					break;			}		}	};	@Override	protected void onCreate(Bundle savedInstanceState) {		super.onCreate(savedInstanceState);		setContentView(R.layout.activity_subtitle);		videoView = (VideoView)this.findViewById(R.id.videoView );		mAM = (AudioManager) getSystemService(Context.AUDIO_SERVICE);		screenWidth = APPApplication.screenWidth;		videoViewHeight = screenWidth * 9 / 16;		tvSrt = (TextView)findViewById(R.id.srt);//项目中显示字幕的控件	mediacontroller_file_name= (TextView)findViewById(R.id.mediacontroller_file_name);//		String[]splitStr=Constant.videoUrl1.split("/");//		mediacontroller_file_name.setText(splitStr[splitStr.length-1]);		mTotalTime = (TextView) findViewById(R.id.mediacontroller_time_total);		mCurrentTime = (TextView) findViewById(R.id.mediacontroller_time_current);		resolution_switch = (TextView) findViewById(R.id.resolution_switch);	mediacontroller_play_pause = (ImageView) findViewById(R.id.mediacontroller_play_pause);		switch_screen = (ImageView) findViewById(R.id.switch_screen);		videoview_layout = (RelativeLayout) findViewById(R.id.videoview_layout);		mediacontroller_play_pause.setOnClickListener(this);		progress_seekbar = (SeekBar) findViewById(R.id.mediacontroller_seekbar);		videoview_layout = (RelativeLayout) findViewById(R.id.videoview_layout);		mMediaController = (RelativeLayout) findViewById(R.id.media_controller);		resolution_listview = (ListView) findViewById(R.id.resolution_listview);		resolution_switch.setOnClickListener(this);		videoView.setOnTouchListener(this);		progress_seekbar.setOnSeekBarChangeListener(mSeekListener);		LayoutParams params = new RelativeLayout.LayoutParams(				LayoutParams.MATCH_PARENT, videoViewHeight);		videoview_layout.setLayoutParams(params);		try {	// 1代表开启自动旋转true，0代表未开启自动旋转false	// Settings.System.getInt(mContext.getContentResolver(),Settings.System.ACCELEROMETER_ROTATION,0);		LockScreen = Settings.System.getInt(getContentResolver(),					Settings.System.ACCELEROMETER_ROTATION);		} catch (SettingNotFoundException e) {			// TODO Auto-generated catch block			e.printStackTrace();		}//		String rawUri = "android.resource://" + getPackageName() + "/" + R.raw.renwei;		Uri uri = Uri.parse(Constant.videoUrl1);		//设置视频控制器// videoView.setMediaController(new MediaController(this));		//播放完成回调		videoView.setOnCompletionListener( new MyPlayerOnCompletionListener());		videoView.setOnPreparedListener(new OnPreparedListener() {			//@Override			public void onPrepared(MediaPlayer mp) {				totalDuration=videoView.getDuration();				if (mTotalTime != null)			mTotalTime.setText("/"+generateTime(totalDuration));			}		});		//设置视频路径		videoView.setVideoURI(uri);		//开始播放视频		videoView.start();		SrtParser.parseSrt(this);		SrtParser.showSRT(videoView,tvSrt) ;		mHandler.sendEmptyMessageDelayed(0, 500);		initVideoResolution();	}	private void initVideoResolution(){		VideoPathObject object1=new VideoPathObject();		object1.videoStatus="超清";		videopathList.add(object1);		VideoPathObject object2=new VideoPathObject();		object2.videoStatus="高清";		videopathList.add(object2);		VideoPathObject object3=new VideoPathObject();		object3.videoStatus="标清";		videopathList.add(object3);		switchResolution(videopathList);	}	class MyPlayerOnCompletionListener implements MediaPlayer.OnCompletionListener {		@Override		public void onCompletion(MediaPlayer mp) {	Toast.makeText( SubtitleActivity.this, "播放完成了", Toast.LENGTH_SHORT).show();		}	}	private OnSeekBarChangeListener mSeekListener = new OnSeekBarChangeListener() {		public void onStartTrackingTouch(SeekBar bar) {			mDragging = true;			mHandler.removeMessages(SHOW_PROGRESS);			mAM.setStreamMute(AudioManager.STREAM_MUSIC, true);		}		public void onProgressChanged(SeekBar bar, int progress,		 boolean fromuser) {			if (!fromuser)				return;			int newposition = (int)(totalDuration * progress) / 1000;			String time = generateTime(newposition);			videoView.seekTo(newposition);			mCurrentTime.setText(time);		}		public void onStopTrackingTouch(SeekBar bar) {			videoView.seekTo(((int)totalDuration * bar.getProgress()) / 1000);			hideMediaController(sDefaultTimeout);			mAM.setStreamMute(AudioManager.STREAM_MUSIC, false);			mDragging = false;			mHandler.sendEmptyMessageDelayed(SHOW_PROGRESS, 1000);		}	};	private void switchResolution(final List<VideoPathObject> videopathList) {		resolution_switch	.setText(videopathList.get(videopathList.size() - 1).videoStatus);		mediacontroller_play_pause.setImageResource(R.drawable.player_play);		final ResolutionAdapter adapter = new ResolutionAdapter(videopathList,				SubtitleActivity.this);		resolution_listview.setAdapter(adapter);		resolution_listview		.setOnItemClickListener(new AdapterView.OnItemClickListener() {		@Override			public void onItemClick(AdapterView<?> arg0, View arg1,											int position, long arg3) {				// TODO Auto-generated method stub//				// currentPosition = videoView.getCurrentPosition();//				currentPosition = videoView.getCurrentPosition();//				Log.d("gaolei", "currentPosition---------1------"//								+ currentPosition);				VideoPathObject pathObject = videopathList								.get(position);////				playVideo(pathObject.videoUrl);//				adapter.changePosition(position);				resolution_switch.setText(pathObject.videoStatus);				resolution_listview.setVisibility(View.GONE);					}				});	}	public void showOrHideController() {		if (mShowing) {			mHandler.removeMessages(SHOW_PROGRESS);			mHandler.removeMessages(FADE_OUT);			mMediaController.setVisibility(View.GONE);			resolution_listview.setVisibility(View.GONE);			mShowing = false;		} else {			mHandler.sendEmptyMessage(SHOW_PROGRESS);			mMediaController.setVisibility(View.VISIBLE);			hideMediaController(sDefaultTimeout);			mShowing = true;		}	}	public void hideMediaController(int sDefaultTimeout) {		mHandler.sendEmptyMessageDelayed(FADE_OUT, sDefaultTimeout);	}	private long setControllerProgress() {		if (videoView == null || mDragging)			return 0;		int position = videoView.getCurrentPosition();		if (progress_seekbar != null) {			if (totalDuration > 0) {				long pos = 1000L * position / totalDuration;				// Log.d("gaolei", "progress--------------" + pos);				progress_seekbar.setProgress((int) pos);			}			int percent = videoView.getBufferPercentage();			progress_seekbar.setSecondaryProgress(percent * 10);		}		if (mCurrentTime != null)			mCurrentTime.setText(generateTime(position));		return position;	}	private static String generateTime(long position) {		int totalSeconds = (int) (position / 1000);		int seconds = totalSeconds % 60;		int minutes = (totalSeconds / 60) % 60;		int hours = totalSeconds / 3600;		if (hours > 0) {			return String.format(Locale.US, "%02d:%02d:%02d", hours, minutes,					seconds).toString();		} else {			return String.format(Locale.US, "%02d:%02d", minutes, seconds)					.toString();		}	}	private void updatePausePlay() {		if (videoView.isPlaying()) {			videoView.pause();			mediacontroller_play_pause					.setImageResource(R.drawable.player_pause);		} else {			videoView.start();			mediacontroller_play_pause.setImageResource(R.drawable.player_play);		}	}	public void showResolution(View view) {		if (!isResolution) {			resolution_listview.setVisibility(View.VISIBLE);			isResolution = true;		} else {			resolution_listview.setVisibility(View.GONE);			isResolution = false;		}	}	public void onConfigurationChanged(Configuration newConfig) {		super.onConfigurationChanged(newConfig);		if (newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE) {			changeToFullScreen();			Log.d("gaolei", "ORIENTATION_LANDSCAPE-------------");		}		if (newConfig.orientation == Configuration.ORIENTATION_PORTRAIT) {			changeToSmallScreen();			Log.d("gaolei", "ORIENTATION_PORTRAIT-------------");		}	}	public void switchScreen(View view) {		if (isPortraint) {			handToFullScreen();		} else {			handToSmallScreen();		}	}	public void handToSmallScreen() {		setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT);		changeToSmallScreen();		/**		 * 这里点击按钮转屏，用户5秒内不转屏幕，将自动识别当前屏幕方向		 */		autoSwitchScreenOrientation();	}	public void handToFullScreen() {		setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE);		changeToFullScreen();		autoSwitchScreenOrientation();	}	private void changeToFullScreen() {		isPortraint = false;		LayoutParams params = new RelativeLayout.LayoutParams(				LayoutParams.MATCH_PARENT, APPApplication.screenWidth);		videoview_layout.setLayoutParams(params);		videoView.setLayoutParams(params);		WindowManager.LayoutParams windowparams = getWindow().getAttributes();		windowparams.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;		getWindow().setAttributes(windowparams);		getWindow().addFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);		switch_screen.setImageResource(R.drawable.player_switch_small);	}	private void changeToSmallScreen() {		isPortraint = true;		LayoutParams params = new RelativeLayout.LayoutParams(				LayoutParams.MATCH_PARENT, videoViewHeight);		videoview_layout.setLayoutParams(params);		videoView.setLayoutParams(params);		WindowManager.LayoutParams windowparams = getWindow().getAttributes();		windowparams.flags &= (~WindowManager.LayoutParams.FLAG_FULLSCREEN);		getWindow().setAttributes(windowparams);		getWindow()				.clearFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);		switch_screen.setImageResource(R.drawable.player_switch_big);	}	public void autoSwitchScreenOrientation() {//		手动旋转屏幕，5s后会执行感应的方向		new Timer().schedule(new TimerTask() {			@Override			public void run() {			// TODO Auto-generated method stub			setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR);			Log.d("gaolei", "SCREEN_ORIENTATION_FULL_SENSOR");				}		}, 5000);	}	@Override	public boolean onTouch(View v, MotionEvent event) {		// TODO Auto-generated method stub		switch (event.getAction()) {			case MotionEvent.ACTION_DOWN: {				showOrHideController();				break;			}		}		return false;	}	@Override	public void onClick(View view) {		// TODO Auto-generated method stub		switch(view.getId()){			case R.id.mediacontroller_play_pause:				Log.d("gaolei", "mediacontroller_play_pause");				updatePausePlay();				break;			case R.id.resolution_switch:				resolution_listview.setVisibility(View.VISIBLE);				break;		}	}	public void jumpToMain(View view){		startActivity(new Intent(this, MainActivity.class));	}	public void onRestart(){		super.onRestart();		videoView.start();		mediacontroller_play_pause.setImageResource(R.drawable.player_play);	}	public void onStop(){		super.onStop();		videoView.pause();		mediacontroller_play_pause.setImageResource(R.drawable.player_pause);	}}

public class SrtParser { public static ArrayList<SRT>srtList; public static int lastEndTime; /** * 解析SRT字幕文件 * 字幕路径 */ public static void parseSrt(Context context) { InputStream inputStream = null; try {//  inputStream=context.getResources().openRawResource(R.raw.renwei2);  inputStream = new FileInputStream(Constant.srtUrl1);  // TODO Auto-generated catch block  BufferedReader br = new BufferedReader(new InputStreamReader(   inputStream,"GB2312"));  String line = null;  srtList = new ArrayList<SRT>();  StringBuffer sb = new StringBuffer();  while ((line = br.readLine()) != null) {  // Log.d("gaolei", "br.readLine()-----------"+br.readLine());  if (!line.equals("")) {   Log.d("gaolei","line-------------------"+ line);   sb.append(line).append("@");   continue;  }  Log.d("gaolei", "sb.toString()-----------"+sb.toString());  String[] parseStrs = sb.toString().split("@");  // 该if为了适应一开始就有空行以及其他不符格式的空行情况  if (parseStrs.length < 3) {   sb.delete(0, sb.length());// 清空，否则影响下一个字幕元素的解析</i>   continue;  }  SRT srt = new SRT();  // 解析开始和结束时间  String timeTotime = parseStrs[1];  int begin_hour = Integer.parseInt(timeTotime.substring(0, 2));  int begin_mintue = Integer.parseInt(timeTotime.substring(3, 5));  int begin_scend = Integer.parseInt(timeTotime.substring(6, 8));  int begin_milli = Integer.parseInt(timeTotime.substring(9, 12));  int beginTime = (begin_hour * 3600 + begin_mintue * 60 + begin_scend)   * 1000 + begin_milli;  int end_hour = Integer.parseInt(timeTotime.substring(17, 19));  int end_mintue = Integer.parseInt(timeTotime.substring(20, 22));  int end_scend = Integer.parseInt(timeTotime.substring(23, 25));  int end_milli = Integer.parseInt(timeTotime.substring(26, 29));  int endTime = (end_hour * 3600 + end_mintue * 60 + end_scend)   * 1000 + end_milli;  System.out.println("开始:" + begin_hour + ":" + begin_mintue +   ":"   + begin_scend + ":" + begin_milli + "=" + beginTime   + "ms");  System.out.println("结束:" + end_hour + ":" + end_mintue + ":"   + end_scend + ":" + end_milli + "=" + endTime + "ms");  // 解析字幕文字  String srtBody = "";  // 可能1句字幕，也可能2句及以上。  for (int i = 2; i < parseStrs.length; i++) {   srtBody += parseStrs[i]+ "/n";  }  // 删除最后一个"/n"  srtBody = srtBody.substring(0, srtBody.length() - 1);  // 设置SRT  srt.setBeginTime(beginTime);  srt.setEndTime(endTime);  srt.setSrtBody(new String(srtBody.getBytes(), "UTF-8"));  srtList.add(srt);  sb.delete(0, sb.length());// 清空，否则影响下一个字幕元素的解析  }  lastEndTime=srtList.get(srtList.size()-1).getEndTime();  br.close(); } catch (IOException e) {  // TODO Auto-generated catch block  e.printStackTrace(); } //每隔500ms执行一次()取 } public static void showSRT(VideoView videoView,TextView tvSrt) {// 	Log.d("gaolei", "srt_map.size()--------------"+srt_map.size()); int currentPosition = videoView.getCurrentPosition();//vv是VideoView播放器 if(currentPosition>lastEndTime){  tvSrt.setVisibility(View.GONE);  return; } for(int i=0;i<srtList.size();i++){  SRT srtbean =srtList.get(i);  if (currentPosition > srtbean.getBeginTime()   && currentPosition < srtbean.getEndTime()) {  tvSrt.setText(srtbean.getSrtBody());  //显示过的就删掉，提高查询效率  srtList.remove(i);  break;//找到后就没必要继续遍历下去，节约资源  } } }}