Android 播放视频文件

  1 package com.example.myvideo2;
  2 
  3 import java.io.File;
  4 
  5 import android.app.Activity;
  6 import android.net.Uri;
  7 import android.os.Bundle;
  8 import android.os.Environment;
  9 import android.view.Menu;
 10 import android.view.MenuItem;
 11 import android.view.View;
 12 import android.widget.Button;
 13 import android.widget.MediaController;
 14 import android.widget.MediaController.MediaPlayerControl;
 15 import android.widget.VideoView;
 16 /**
 17  * Android 播放视频
 18  * @Describe: 
 19  * @package: com.example.myvideo2
 20  * @author shaobn
 21  * @date 2015-9-14 上午10:57:41
 22  */
 23 public class MainActivity extends Activity implements MediaPlayerControl {
 24     private VideoView videoView;
 25     private MediaController mediaController;
 26     private Button button;
 27     @Override
 28     protected void onCreate(Bundle savedInstanceState) {
 29         super.onCreate(savedInstanceState);
 30         setContentView(R.layout.activity_main);
 31         mediaController = new MediaController(MainActivity.this);
 32         videoView = (VideoView) this.findViewById(R.id.videoView1);
 33         button = (Button) this.findViewById(R.id.button1);
 34         videoView.setMediaController(mediaController);
 35         button.setOnClickListener(new View.OnClickListener() {
 36             
 37             @Override
 38             public void onClick(View arg0) {
 39                 // TODO Auto-generated method stub
 40                 if(Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)){
 41                     File file1 = Environment.getExternalStorageDirectory();
 42                     File file2 = new File(file1,"/Movies/Video.mp4");
 43                     Uri uri = Uri.fromFile(file2);
 44                     videoView.setVideoURI(uri);
 45                 }
 46             }
 47         });
 48         
 49     }
 50     @Override
 51     public boolean canPause() {
 52         // TODO Auto-generated method stub
 53         return videoView.canPause();
 54     }
 55     @Override
 56     public boolean canSeekBackward() {
 57         // TODO Auto-generated method stub
 58         return videoView.canSeekBackward();
 59     }
 60     @Override
 61     public boolean canSeekForward() {
 62         // TODO Auto-generated method stub
 63         return videoView.canSeekForward();
 64     }
 65     @Override
 66     public int getAudioSessionId() {
 67         // TODO Auto-generated method stub
 68         return 0;
 69     }
 70     @Override
 71     public int getBufferPercentage() {
 72         // TODO Auto-generated method stub
 73         return 0;
 74     }
 75     @Override
 76     public int getCurrentPosition() {
 77         // TODO Auto-generated method stub
 78         return 0;
 79     }
 80     @Override
 81     public int getDuration() {
 82         // TODO Auto-generated method stub
 83         return 0;
 84     }
 85     @Override
 86     public boolean isPlaying() {
 87         // TODO Auto-generated method stub
 88         return videoView.isPlaying();
 89     }
 90     @Override
 91     public void pause() {
 92         // TODO Auto-generated method stub
 93         if (videoView.isPlaying()) {
 94             videoView.pause();
 95         }
 96     }
 97     @Override
 98     public void seekTo(int arg0) {
 99         // TODO Auto-generated method stub
100         videoView.seekTo(arg0);
101     }
102     @Override
103     public void start() {
104         // TODO Auto-generated method stub
105         videoView.start();
106     }
107     
108     
109 }
实现播放视频文件。
吾宁做一叶扁舟，始航于湖边，遨游于海上，浪迹于江中。