1. 程式人生 > >android中使用videoview播放視頻

android中使用videoview播放視頻

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先是布局文件:

 1 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2     xmlns:tools="http://schemas.android.com/tools"
 3     android:layout_width="match_parent"
 4     android:layout_height="match_parent"
 5     android:orientation="vertical"
 6     tools:context=".MainActivity" >
 7
8 <VideoView 9 android:id="@+id/video" 10 android:layout_width="match_parent" 11 android:layout_height="match_parent" /> 12 13 </LinearLayout>

然後在mainactivity中使用videoview:

 1 import java.io.File;
 2 
 3 import android.app.Activity;
 4 import android.os.Bundle;
5 import android.os.Environment; 6 import android.widget.MediaController; 7 import android.widget.Toast; 8 import android.widget.VideoView; 9 10 public class MainActivity extends Activity { 11 VideoView videoView; 12 MediaController mController; 13 14 @Override 15 protected void
onCreate(Bundle savedInstanceState) { 16 super.onCreate(savedInstanceState); 17 setContentView(R.layout.activity_main); 18 videoView = (VideoView) findViewById(R.id.video); 19 mController = new MediaController(this); 20 File video = new File(Environment.getExternalStorageDirectory() + "/xiexienideai.mp4");//獲得手機上sd卡視頻存儲路徑 21 if(video.exists()){ 22 videoView.setVideoPath(video.getAbsolutePath()); 23 videoView.setMediaController(mController);//設置mController關聯videoview 24 mController.setMediaPlayer(videoView); 25 videoView.requestFocus();//videoview獲得焦點 26 }else{ 27 Toast.makeText(this, "nonono", Toast.LENGTH_LONG).show(); 28 } 29 } 30 31 }

由於使用到sd卡上內容獲取,需要在配置文件中增加權限:

<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>

android中使用videoview播放視頻