Android编程实现播放视频的方法示例

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent"
android:orientation="vertical" >
<VideoView android:id="@+id/video_view" android:layout_width="match_parent" android:layout_height="wrap_content" />
<LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" >
<Button android:id="@+id/play" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:text="Play" />
<Button android:id="@+id/pause" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:text="Pause" />
<Button android:id="@+id/replay" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:text="Replay" />
</LinearLayout>
</LinearLayout>

public class MainActivity extends Activity implements OnClickListener {
private VideoView videoView;
private Button play; private Button pause; private Button replay;
@Override
protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main);
play = (Button) findViewById(R.id.play);
pause = (Button) findViewById(R.id.pause);
replay = (Button) findViewById(R.id.replay);
videoView = (VideoView) findViewById(R.id.video_view); play.setOnClickListener(this); pause.setOnClickListener(this); replay.setOnClickListener(this);
initVideoPath();
}
private void initVideoPath() {
File file = new File(Environment.getExternalStorageDirectory(), "movie.3gp");
videoView.setVideoPath(file.getPath()); // 指定视频文件的路径
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.play:
if (!videoView.isPlaying()) {
videoView.start(); // 开始播放
}
break;
case R.id.pause:
if (videoView.isPlaying()) {
videoView.pause(); // 暂时播放
}
break;
case R.id.replay:
if (videoView.isPlaying()) {
videoView.resume(); // 重新播放
}
break;
}
}
@Override
protected void onDestroy() {
super.onDestroy();
if (videoView != null) {
videoView.suspend();
}
}
}