<?xml version="1.0" encoding="utf-8"?><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"  android:paddingBottom="@dimen/activity_vertical_margin"  android:paddingLeft="@dimen/activity_horizontal_margin"  android:paddingRight="@dimen/activity_horizontal_margin"  android:paddingTop="@dimen/activity_vertical_margin"  tools:context="app.com.myapplication.LocalVideoActivity">  <RelativeLayout    android:layout_width="match_parent"    android:layout_height="200dp">    <VideoView      android:id="@+id/videoView"      android:layout_width="match_parent"      android:layout_height="match_parent"      />  </RelativeLayout></RelativeLayout>

package app.com.myapplication;import android.media.MediaPlayer;import android.net.Uri;import android.os.Bundle;import android.os.Environment;import android.support.v7.app.AppCompatActivity;import android.widget.MediaController;import android.widget.Toast;import android.widget.VideoView;public class LocalVideoActivity extends AppCompatActivity {  private VideoView videoView ;  @Override  protected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_local_video);    //本地的視頻 需要在手機SD卡根目錄添加一個 fl1234.mp4 視頻    String videoUrl1 = Environment.getExternalStorageDirectory().getPath()+"/fl1234.mp4" ;    //網絡視頻    String videoUrl2 = Utils.videoUrl ;    Uri uri = Uri.parse( videoUrl2 );    videoView = (VideoView)this.findViewById(R.id.videoView );    //設置視頻控制器    videoView.setMediaController(new MediaController(this));    //播放完成回調    videoView.setOnCompletionListener( new MyPlayerOnCompletionListener());    //設置視頻路徑    videoView.setVideoURI(uri);    //開始播放視頻    videoView.start();  }  class MyPlayerOnCompletionListener implements MediaPlayer.OnCompletionListener {    @Override    public void onCompletion(MediaPlayer mp) {      Toast.makeText( LocalVideoActivity.this, "播放完成了", Toast.LENGTH_SHORT).show();    }  }}

package app.com.myapplication;/** * Created by ${zyj} on 2016/4/19. */public class Utils {  public static final String videoUrl = "http://clips.vorwaerts-gmbh.de/big_buck_bunny.mp4" ;}