每天进步一点----- VideoView

package com.example.playvideotest;

import java.io.File;

import android.os.Bundle;
import android.os.Environment;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.VideoView;
import android.app.Activity;

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());
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
        case R.id.play:
            if (!videoView.isPlaying()) {
                videoView.start();
            }
            break;
        case R.id.pause:
            if (videoView.isPlaying()) {
                videoView.pause();
            }
            break;
        case R.id.replay:
            if (videoView.isPlaying()) {
                videoView.resume();
            }
            break;
        }
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        if (videoView != null) {
            videoView.suspend();
        }
    }

}

<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>