利用android SDK 提供的接口 开发最简单的视频播放demo。
接下来贴出main.xml的源码:
[html]
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<SurfaceView
android:id="@+id/surfaceView1"
android:layout_width="wrap_content"
android:layout_height="360dp"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true" />
</RelativeLayout>
接下来贴出程序源码：
[java]
package com.example.surfacemediaplayer;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.os.Environment;
import android.app.Activity;
import android.view.Menu;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.SurfaceHolder.Callback;
public class SurfaceMediaPlayer extends Activity {
SurfaceView surfaceView;
MediaPlayer mediaPlayer;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_surface_media_player);
mediaPlayer=new MediaPlayer();
surfaceView=(SurfaceView) this.findViewById(R.id.surfaceView1);
surfaceView.getHolder().addCallback(new Callback() {
@Override
public void surfaceDestroyed(SurfaceHolder holder) {
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
//开始播放
play();
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width,
int height) {
}
});
}
private void play() {
try {
String path = Environment.getExternalStorageDirectory().getPath()+"/Movies/run_to_you.3gp";
mediaPlayer.setDataSource(path);
//把视频画面输出到SurfaceView
mediaPlayer.setDisplay(surfaceView.getHolder());
mediaPlayer.prepare();
//开始播放
mediaPlayer.start();
} catch (Exception e) {
// TODO: handle exception
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_surface_media_player, menu);
return true;
}
}
程序运行截图：
