Android音乐和视频播放【附源码】
package com.huangcheng.media;
import java.io.IOException;
import java.util.Timer;
import java.util.TimerTask;
import android.app.Activity;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.os.Bundle;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.Toast;
publicclass MediaDemoActivity extends Activity {
//控制音乐
private SeekBar seekbar_music;
private Button start_music_btn;
private Button stop_music_btn;
//控制视频
private SeekBar seekbar_video;
private Button start_video_btn;
private Button stop_video_btn;
private SurfaceView surfaceview_video;
private SurfaceHolder surfaceview_holder;
/** Called when the activity is first created. */
@Override
publicvoid onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
//控制media
media=new MediaPlayer();
media_video=new MediaPlayer();
media.setOnCompletionListener(new OnCompletionListener() {
@Override
publicvoid onCompletion(MediaPlayer arg0) {
// TODO Auto-generated method stub
Toast.makeText(MediaDemoActivity.this, "播放结束", Toast.LENGTH_SHORT).show();
media.release();
}
});
media_video.setOnCompletionListener(new OnCompletionListener() {
@Override
publicvoid onCompletion(MediaPlayer arg0) {
// TODO Auto-generated method stub
Toast.makeText(MediaDemoActivity.this, "播放结束", Toast.LENGTH_SHORT).show();
media_video.release();
}
});
//Timer记录播放时刻
timer=new Timer();
timertask_music=new TimerTask() {
@Override
publicvoid run() {
// TODO Auto-generated method stub
//正在拖动seekbar,停止Timer
if(ischanging==true){
return;
}
else{
seekbar_music.setProgress(media.getCurrentPosition());
}
}
};
timertask_video=new TimerTask() {
@Override
publicvoid run() {
// TODO Auto-generated method stub
//正在拖动seekbar,停止Timer
if(ischanging==true){
return;
}
else{
seekbar_video.setProgress(media_video.getCurrentPosition());
}
}
};
timer.schedule(timertask_music, 0, 10);//开始记录，每10ms记录一次
timer.schedule(timertask_video, 0, 10);//开始记录，每10ms记录一次
//更新控件
seekbar_music=(SeekBar)findViewById(R.id.seekbar_music);
seekbar_video=(SeekBar)findViewById(R.id.seekbar_video);
start_music_btn=(Button)findViewById(R.id.start_music_btn);
stop_music_btn=(Button)findViewById(R.id.stop_music_btn);
start_video_btn=(Button)findViewById(R.id.start_video_btn);
stop_video_btn=(Button)findViewById(R.id.stop_video_btn);
surfaceview_video=(SurfaceView)findViewById(R.id.surfaceview_video);
surfaceview_holder=surfaceview_video.getHolder();
surfaceview_holder.setFixedSize(100, 100);
surfaceview_holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
seekbar_music.setEnabled(false);
seekbar_video.setEnabled(false);
// 添加处理seekbar事件
seekbar_music.setOnSeekBarChangeListener(new SeekbarmusicEvent());
seekbar_video.setOnSeekBarChangeListener(new SeekbarvideoEvent());
//添加music按键处理
start_music_btn.setOnClickListener(new OnClickListener() {
@Override
publicvoid onClick(View arg0) {
// TODO Auto-generated method stub
media.reset();
media=MediaPlayer.create(MediaDemoActivity.this, R.raw.m);
seekbar_music.setMax(media.getDuration());
try {
media.prepare();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
media.start();
seekbar_music.setEnabled(true);
}
});
stop_music_btn.setOnClickListener(new OnClickListener() {
@Override
publicvoid onClick(View arg0) {
// TODO Auto-generated method stub
media.stop();
seekbar_music.setEnabled(false);
}
});
start_video_btn.setOnClickListener(new OnClickListener() {
@Override
publicvoid onClick(View arg0) {
// TODO Auto-generated method stub
media_video.reset();
media_video=MediaPlayer.create(MediaDemoActivity.this, R.raw.v);
seekbar_video.setMax(media_video.getDuration());
media_video.setAudioStreamType(AudioManager.STREAM_MUSIC);
media_video.setDisplay(surfaceview_holder);
try {
media_video.prepare();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
media_video.start();
seekbar_video.setEnabled(true);
}
});
stop_video_btn.setOnClickListener(new OnClickListener() {
@Override
publicvoid onClick(View arg0) {
// TODO Auto-generated method stub
media_video.stop();
seekbar_video.setEnabled(false);
}
});
}
//处理拖动seekbarmusic事件
class SeekbarmusicEvent implements SeekBar.OnSeekBarChangeListener{
@Override
publicvoid onProgressChanged(SeekBar seekBar, int progress,
boolean fromUser) {
// TODO Auto-generated method stub
}
@Override
publicvoid onStartTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
ischanging=true;//停止timer
}
@Override
publicvoid onStopTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
media.seekTo(seekBar.getProgress());
ischanging=false;//开启timer
}
}
class SeekbarvideoEvent implements SeekBar.OnSeekBarChangeListener{
@Override
publicvoid onProgressChanged(SeekBar seekBar, int progress,
boolean fromUser) {
// TODO Auto-generated method stub
}
@Override
publicvoid onStartTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
ischanging=true;//停止timer
}
@Override
publicvoid onStopTrackingTouch(SeekBar seekBar) {
// TODO Auto-generated method stub
media_video.seekTo(seekBar.getProgress());
ischanging=false;//开启timer
}
}
}
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