import android.os.Bundle;

import android.support.v7.app.AppCompatActivity;

import android.view.View;

import android.widget.Button;

import android.widget.MediaController;

import android.widget.VideoView;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {

    private VideoView videoView;

    private Button btn_start;

    private Button btn_pause;

    private Button btn_stop;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        initView();

    }

    private void initView() {

        videoView = (VideoView) findViewById(R.id.videoView);

        btn_start = (Button) findViewById(R.id.btn_start);

        btn_pause = (Button) findViewById(R.id.btn_pause);

        btn_stop = (Button) findViewById(R.id.btn_stop);

        btn_start.setOnClickListener(this);

        btn_pause.setOnClickListener(this);

        btn_stop.setOnClickListener(this);

        //根据文件路径播放

        videoView.setVideoPath("/sdcard/TopGirl.mp4");

        videoView.setMediaController(new MediaController(this));

    }

    @Override

    public void onClick(View v) {

        switch (v.getId()) {

            case R.id.btn_start:

                videoView.start();

                break;

            case R.id.btn_pause:

                videoView.pause();

                break;

            case R.id.btn_stop:

                videoView.stopPlayback();

                break;

        }

    }

}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical"

    android:padding="5dp">

    <VideoView

        android:id="@+id/videoView"

        android:layout_width="match_parent"

        android:layout_height="300dp" />

    <LinearLayout

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:orientation="horizontal">

        <Button

            android:id="@+id/btn_start"

            android:layout_width="match_parent"

            android:layout_height="wrap_content"

            android:layout_weight="1"

            android:text="开始" />

        <Button

            android:id="@+id/btn_pause"

            android:layout_width="match_parent"

            android:layout_height="wrap_content"

            android:layout_weight="1"

            android:text="暂停 " />

        <Button

            android:id="@+id/btn_stop"

            android:layout_width="match_parent"

            android:layout_height="wrap_content"

            android:layout_weight="1"

            android:text="停止" />

    </LinearLayout>

</LinearLayout>