android格式布局和videoview

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res/layout<LinearLayout 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:orientation="vertical"    tools:context="com.example.administrator.hello.MainActivity" >    <LinearLayout        android:layout_width="match_parent"        android:layout_height="match_parent"        android:layout_weight="1"        android:orientation="horizontal" >        <VideoView            android:id="@+id/videoView"            android:layout_width="fill_parent"            android:layout_height="fill_parent"            android:layout_weight="1" />    </LinearLayout>    <LinearLayout        android:layout_width="match_parent"        android:layout_height="match_parent"        android:layout_weight="1"        android:orientation="vertical" >    </LinearLayout></LinearLayout>java/MainActivitypackage com.example.administrator.hello;import android.app.Activity;import android.net.Uri;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.MediaController;import android.widget.VideoView;/** * Created by Administrator on 2017/7/27. */public class MainActivity extends Activity {    private Button button_start=null;    private Button button_pause=null;    private Button button_stop=null;    private VideoView videoView=null;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        Uri uri =Uri.parse("android.resource://"+this.getPackageName()+"/" + R.raw.cc_01);        VideoView videoView = (VideoView)this.findViewById(R.id.videoView);        videoView.setMediaController(new MediaController(this));        videoView.setVideoURI(uri);        videoView.start();        videoView.requestFocus();    }}
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