测试片
来源：互联网 发布：键盘哪个牌子好 知乎 编辑：程序博客网 时间：2024/04/26 22:20
视频列表：
package com.multimedia.video; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import com.multimedia.entity.R; import android.app.ListActivity; import android.content.Context; import android.content.Intent; import android.database.Cursor; import android.net.Uri; import android.os.Bundle; import android.os.Environment; import android.provider.MediaStore; import android.util.Log; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.widget.ArrayAdapter; import android.widget.BaseAdapter; import android.widget.ListView; import android.widget.SimpleAdapter; import android.widget.TextView; import android.widget.Toast; /** * 播放列表界面 * @author Andy * */ public class VideoListActivity extends ListActivity { private int index=0; private Cursor cursor=null; private List<String> videoMsg=new ArrayList<String>(); private ArrayList<Map<String,Object>> videoData= new ArrayList<Map<String,Object>>();; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); boolean able=Environment.getExternalStorageState().equals( Environment.MEDIA_MOUNTED); if(able) getAllvideoMsg(); else Toast.makeText(this, "sd card is unable", Toast.LENGTH_SHORT).show(); } /** * 获取本地视频信息 */ private void getAllvideoMsg(){ Uri Media_URL = MediaStore.Video.Media.EXTERNAL_CONTENT_URI; cursor = this.getContentResolver().query(Media_URL, VideoData.listMsg, "duration>5000", null, null); int len=cursor.getCount(); while(index<len){ String info = getInfoByPosition(cursor, index); videoMsg.add(info);//Log.e("msg", ""+VideoData.mCursorCols[index]); index++; } for(int i =0; i < len; i++) { Map<String,Object> item = new HashMap<String,Object>(); item.put("image", R.drawable.vp); item.put("title", videoMsg.get(i)); // item.put("text", mListStr[i]); videoData.add(item); } SimpleAdapter adapter = new SimpleAdapter(this,videoData,R.layout.videolist, new String[]{"image","title"},new int[]{R.id.videoimage,R.id.videotitle}); setListAdapter(adapter); } @Override protected void onListItemClick(ListView l, View v, int position, long id) { Intent intent=new Intent(this,VideoActivity.class); Bundle data=new Bundle(); data.putInt("video_index", position); intent.putExtra("video_bundle", data); startActivity(intent); super.onListItemClick(l, v, position, id); } private String getInfoByPosition(Cursor c,int position){ c.moveToPosition(position); int videoTitle= c.getColumnIndex(MediaStore.Video.Media.DISPLAY_NAME); int videoSize=c.getColumnIndex(MediaStore.Video.Media.SIZE); int sizes=Integer.parseInt(c.getString(videoSize))/1024/1024; int TotalTime=c.getColumnIndex(MediaStore.Video.Media.DURATION); int time=Integer.parseInt(c.getString(TotalTime)); int min=time/1000/60; int sec=time/1000%60; String info =c.getString(videoTitle)+'\n'+sizes+"MB"+" "+min+"'"+sec; return info; } @Override public boolean onCreateOptionsMenu(Menu menu) { menu.add(0, Menu.FIRST, 0, "选择其他播放器"); menu.add(0, Menu.FIRST+1, 0, "播放设置"); return super.onCreateOptionsMenu(menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { if(item.getItemId()==1){ Intent intent=new Intent(Intent.ACTION_VIEW); intent.setType("video/*"); startActivity(Intent.createChooser(intent, getTitle())); } else if(item.getItemId()==2){ this.startActivity(new Intent(this,SetActivity.class)); } return super.onOptionsItemSelected(item); } @Override protected void onDestroy() { if(cursor!=null){ cursor.close(); cursor=null; } super.onDestroy(); } } 过滤信息选择
package com.multimedia.video; import android.provider.MediaStore; public class VideoData { /** * 选择性的返回列表信息 */ final static String[] listMsg = new String[] { // "video._id AS _id", // index must match IDCOLIDX below MediaStore.Video.Media.DISPLAY_NAME, MediaStore.Video.Media.SIZE, MediaStore.Video.Media.DURATION }; final static String[] showMsg = new String[] { // "video._id AS _id", // index must match IDCOLIDX below MediaStore.Video.Media.DATA, MediaStore.Video.Media.DISPLAY_NAME }; static int index=0; }
播放界面
package com.multimedia.video; import com.multimedia.entity.R; import com.multimedia.entity.R.id; import com.multimedia.entity.R.layout; import android.app.Activity; import android.content.Intent; import android.content.pm.ActivityInfo; import android.content.res.Configuration; import android.database.Cursor; import android.graphics.Rect; import android.net.Uri; import android.os.Bundle; import android.provider.MediaStore; import android.util.Log; import android.view.MotionEvent; import android.view.SurfaceView; import android.view.View; import android.view.Window; import android.view.WindowManager; import android.widget.Button; import android.widget.SeekBar; public class VideoActivity extends Activity { @Override protected void onNewIntent(Intent intent) {Log.e("msg", "newintent"); /*Uri uri=intent.getData(); cursor = this.getContentResolver().query(uri, VideoData.showMsg, "duration>2000", null, null); super.onNewIntent(intent);*/ } private SurfaceView sfv; private SeekBar seekbar; private Button btstart,btstop,btnext,btprev,btpause,btresume;// private VideoPlayer myvideo; //控件是否可见 boolean cansee=true; Cursor cursor=null; int current_index=0; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); /*getWindow().setFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON, WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);*/ setRequestedOrientation( ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE); setContentView(R.layout.videoplayer); getview(); Bundle b=getIntent().getBundleExtra("video_bundle"); if(b!=null){ Uri Media_URL = MediaStore.Video.Media.EXTERNAL_CONTENT_URI; cursor = this.getContentResolver().query(Media_URL, VideoData.showMsg, "duration>5000", null, null); current_index=b.getInt("video_index"); }else{ String addres=getIntent().getData().toString(); Uri uri=Uri.parse(addres.substring(addres.indexOf("/sdcard"), addres.length()));Log.e("msg", "uri="+uri); cursor = this.getContentResolver().query(uri, VideoData.showMsg, "duration>2000", null, null); } } /** * 获取控件对象 */ private void getview(){ ClickMonitor cliM=new ClickMonitor(); sfv=(SurfaceView)findViewById(R.id.surfaceView1); seekbar=(SeekBar)findViewById(R.id.seekbar); btprev=(Button)findViewById(R.id.btnPrev); btprev.setOnClickListener(cliM); btstart=(Button)findViewById(R.id.btnPlay); btstart.setOnClickListener(cliM); btstart.setVisibility(View.GONE); btpause=(Button)findViewById(R.id.btnPause); // btpause.setVisibility(View.GONE); btpause.setOnClickListener(cliM); btresume=(Button)findViewById(R.id.btnResume); btresume.setVisibility(View.GONE); btresume.setOnClickListener(cliM); btstop=(Button)findViewById(R.id.btnStop); btstop.setOnClickListener(cliM); btnext=(Button)findViewById(R.id.btnNext); btnext.setOnClickListener(cliM); myvideo=new VideoPlayer(getApplicationContext(), sfv,seekbar,this); seekbar.setOnSeekBarChangeListener(new SeekBarMonitor()); } /** * 设置控件可见度 * @param view */ void setVisibleWidget(int view){ if(view==View.GONE){ seekbar.setVisibility(view); btnext.setVisibility(view); btprev.setVisibility(view); btpause.setVisibility(view); btresume.setVisibility(view); btstart.setVisibility(view); btstop.setVisibility(view); } else{ if(myvideo.isPlaying()){ seekbar.setVisibility(view); btnext.setVisibility(view); btpause.setVisibility(view);//pause enable btprev.setVisibility(view); btstop.setVisibility(view); }else if(true==myvideo.hasstop){ seekbar.setVisibility(view); btnext.setVisibility(view); btprev.setVisibility(view); btstart.setVisibility(view);//start enable btstop.setVisibility(view); }else if(false==myvideo.hasstop){ seekbar.setVisibility(view); btnext.setVisibility(view); btprev.setVisibility(view); btresume.setVisibility(view);//resume enable btstop.setVisibility(view); } } } @Override protected void onStart() {Log.e("msg", "onstart"); super.onStart(); } @Override protected void onPause() { super.onPause(); } @Override protected void onResume() { super.onResume(); } @Override protected void onStop() { super.onStop(); } @Override protected void onDestroy() { myvideo.destroy(); super.onDestroy(); } void contrlVisible(){ if(cansee) setVisibleWidget(View.VISIBLE); else setVisibleWidget(View.GONE); } @Override public boolean onTouchEvent(MotionEvent event) { int action =event.getAction(); switch(action){ case MotionEvent.ACTION_DOWN: cansee=!cansee; contrlVisible(); break; case MotionEvent.ACTION_MOVE: break; case MotionEvent.ACTION_UP: break; } return super.onTouchEvent(event); } class ClickMonitor implements View.OnClickListener{ @Override public void onClick(View v) { if(v==btstart){ myvideo.startPlay(); btstart.setVisibility(View.GONE); btpause.setVisibility(View.VISIBLE); btresume.setVisibility(View.GONE); } else if(v==btpause){ myvideo.pause(); btstart.setVisibility(View.GONE); btpause.setVisibility(View.GONE); btresume.setVisibility(View.VISIBLE); } else if(v==btstop){ myvideo.stop(); btstart.setVisibility(View.VISIBLE); btpause.setVisibility(View.GONE); btresume.setVisibility(View.GONE); } else if(v==btresume){ myvideo.resume(); btstart.setVisibility(View.GONE); btpause.setVisibility(View.VISIBLE); btresume.setVisibility(View.GONE); } else if(v==btnext){ myvideo.next(); btstart.setVisibility(View.GONE); btpause.setVisibility(View.VISIBLE); btresume.setVisibility(View.GONE); } else if(v==btprev){ myvideo.previous(); btstart.setVisibility(View.GONE); btpause.setVisibility(View.VISIBLE); btresume.setVisibility(View.GONE); } } } @Override public void onConfigurationChanged(Configuration newConfig) { // int type = this.getResources().getConfiguration().orientation; if (newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE) { //切换到了横屏 } else if (newConfig.orientation == Configuration.ORIENTATION_PORTRAIT) { //切换到了竖屏 } super.onConfigurationChanged(newConfig); } class SeekBarMonitor implements SeekBar.OnSeekBarChangeListener{ int currentpos; @Override public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { currentpos=progress * myvideo.myplayer.getDuration() / seekBar.getMax(); } @Override public void onStartTrackingTouch(SeekBar seekBar) { } @Override public void onStopTrackingTouch(SeekBar seekBar) { myvideo.myplayer.seekTo(currentpos); } } }
播放控制
package com.multimedia.video; import java.io.IOException; import java.util.Timer; import java.util.TimerTask; import android.content.Context; import android.database.Cursor; import android.media.AudioManager; import android.media.MediaPlayer; import android.media.MediaPlayer.OnBufferingUpdateListener; import android.media.MediaPlayer.OnCompletionListener; import android.media.MediaPlayer.OnErrorListener; import android.net.Uri; import android.os.Handler; import android.os.Message; import android.os.PowerManager; import android.provider.MediaStore; import android.util.AttributeSet; import android.util.Log; import android.view.SurfaceHolder; import android.view.SurfaceHolder.Callback; import android.view.SurfaceView; import android.view.View; import android.widget.SeekBar; import android.widget.Toast; import android.widget.VideoView; public class VideoPlayer implements OnBufferingUpdateListener, OnCompletionListener, MediaPlayer.OnPreparedListener, Callback,OnErrorListener{ public static final int UPDATE=1; public static final int VISIBLE=2; private int video_w,video_h; private SurfaceHolder sfh; private SurfaceView sfv; protected MediaPlayer myplayer; private SeekBar seekbar; private Timer timer=new Timer(); private MyTask task; private boolean desroyed=false;//canvas desroy private Context mcontext; private VideoActivity vida; //控制可见性， public boolean hasstop=false,pausing=false; private int count=0; private int current_pos,total_time ; public VideoPlayer(Context mcontext,SurfaceView sfv,SeekBar seekbar,VideoActivity vida){ this.mcontext=mcontext; this.vida=vida; this.sfv=sfv; this.seekbar=seekbar; this.sfv.setFocusable(true); sfh=this.sfv.getHolder(); sfh.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); sfh.setKeepScreenOn(true); sfh.addCallback(this); task=new MyTask(); timer.schedule(task, 0, 1000); myplayer = new MediaPlayer(); } Handler handler = new Handler() { public void handleMessage(Message msg) { switch (msg.what) { case VISIBLE: vida.cansee=false; vida.contrlVisible(); break; case UPDATE: current_pos = myplayer.getCurrentPosition(); total_time = myplayer.getDuration(); if (total_time > 0) { int pos = seekbar.getMax() * current_pos / total_time; seekbar.setProgress(pos); } break; } }; }; @Override public void surfaceCreated(SurfaceHolder holder) { playStart(); Log.e("msg", "surfaceCreated"); } @Override public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { Log.e("msg", "surfaceChanged"); } @Override public void surfaceDestroyed(SurfaceHolder holder) { desroyed=true; if(myplayer!=null&&myplayer.isPlaying()){ myplayer.stop(); } Log.e("msg", "surfaceDestroyed"); } private void playStart(){ String path=getDateByPosition(vida.cursor, vida.current_index); Toast.makeText(mcontext, getInfoByPosition(vida.cursor, vida.current_index), Toast.LENGTH_SHORT).show(); try { hasstop=false; seekbar.setEnabled(true); myplayer.reset(); myplayer.setDataSource(path); myplayer.setScreenOnWhilePlaying(true); myplayer.setDisplay(sfh); myplayer.setAudioStreamType(AudioManager.STREAM_MUSIC); myplayer.setWakeMode(mcontext, PowerManager.PARTIAL_WAKE_LOCK); myplayer.setOnPreparedListener(this); myplayer.setOnCompletionListener(this); myplayer.setOnBufferingUpdateListener(this); myplayer.setOnErrorListener(this); myplayer.prepare(); } catch (IllegalArgumentException e) { e.printStackTrace(); } catch (SecurityException e) { e.printStackTrace(); } catch (IllegalStateException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } public void startPlay(){ playStart(); myplayer.start(); } public void resume(){ if(!myplayer.isPlaying()){ pausing=false; myplayer.start(); if(desroyed){ desroyed=false; myplayer.seekTo(current_pos); } } } public void pause(){ if(myplayer.isPlaying()){ pausing=true; myplayer.pause(); } } public void stop(){ current_pos=0;total_time=0; if (myplayer != null) { pausing=true; hasstop=true; myplayer.stop(); seekbar.setProgress(0); seekbar.setEnabled(false); } } public void setLooop(boolean loop){ myplayer.setLooping(loop); } public boolean isPlaying(){ return myplayer.isPlaying(); } public void previous() { if (vida.current_index == 0) { vida.current_index = vida.cursor.getCount() - 1; } else { vida.current_index--; } current_pos=0;total_time=0; pausing=false; playStart(); } public void next() { if (vida.current_index == vida.cursor.getCount() - 1) { vida.current_index = 0; } else { vida.current_index++; } current_pos=0;total_time=0; pausing=false; playStart(); } private String getDateByPosition(Cursor c,int position){ c.moveToPosition(position); int dataColumn = c.getColumnIndex(MediaStore.Video.Media.DATA); String data = c.getString(dataColumn); return data; } private String getInfoByPosition(Cursor c,int position){ c.moveToPosition(position); int videoTitle= c.getColumnIndex(MediaStore.Video.Media.DISPLAY_NAME); String info =c.getString(videoTitle); return info; } public void destroy(){ if(myplayer!=null){ myplayer.stop(); myplayer.release(); myplayer = null; } if(vida.cursor!=null){ vida.cursor.close(); vida.cursor=null; } if(timer!=null){ timer.cancel(); task.cancel(); timer=null; task=null; } } public void controlVolume(){ AudioManager amg=(AudioManager)this.mcontext.getSystemService(Context.AUDIO_SERVICE); float current_volume=amg.getStreamVolume(AudioManager.STREAM_MUSIC); float max_volume=amg.getStreamMaxVolume(AudioManager.STREAM_MUSIC); float volume=current_volume/max_volume; myplayer.setVolume(volume, volume); } private class MyTask extends TimerTask{ @Override public void run() { if(myplayer==null) return; if(myplayer.isPlaying()&&seekbar.isPressed()==false){ Message msg=Message.obtain(); msg.what=UPDATE; handler.sendMessage(msg); } if(vida.cansee){ count++; if(count%5==0){ count=0; Message msg=Message.obtain(); msg.what=VISIBLE; handler.sendMessage(msg); } } } } @Override public void onPrepared(MediaPlayer mp) { video_w=myplayer.getVideoWidth(); video_h=myplayer.getVideoHeight(); if(video_w!=0&&video_h!=0){ if(!pausing){ sfh.setFixedSize(video_w,video_h); myplayer.start(); if(current_pos>0) myplayer.seekTo(current_pos); } } Log.e("msg", "prepare"); } @Override public void onCompletion(MediaPlayer mp) { if(myplayer.isLooping()) playStart(); else next(); Log.e("msg", "complete"); } @Override public void onBufferingUpdate(MediaPlayer mp, int percent) { seekbar.setSecondaryProgress(percent); Log.e("msg", "buffer"); } @Override public boolean onError(MediaPlayer mp, int arg1, int arg2) { destroy(); return false; } }
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