视频播放 小例子 SurfaceView

<?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"    tools:context="com.moliying.a58_canvas_surfaceview.VideoActivity">    <SurfaceView        android:layout_width="match_parent"        android:layout_height="200dp"        android:id="@+id/surfaceView"        android:layout_alignParentTop="true"        android:layout_alignParentStart="true"        android:layout_alignParentEnd="true" />    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="播放"        android:onClick="playClick"        android:id="@+id/button_play"        android:layout_below="@+id/surfaceView"        android:layout_alignStart="@+id/surfaceView" />    <Button        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="暂停"        android:onClick="pauseClick"        android:id="@+id/button2"        android:layout_below="@+id/surfaceView"        android:layout_alignEnd="@+id/surfaceView" /></RelativeLayout>

package com.moliying.a58_canvas_surfaceview;import android.media.MediaPlayer;import android.os.Environment;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.SurfaceHolder;import android.view.SurfaceView;import android.view.View;import java.io.IOException;public class VideoActivity extends AppCompatActivity implements SurfaceHolder.Callback{    private SurfaceView surfaceView;    private SurfaceHolder holder;    private MediaPlayer mp;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_video);        surfaceView = (SurfaceView) findViewById(R.id.surfaceView);        holder = surfaceView.getHolder();        holder.setFixedSize(320,200);//设置视频的分辩率,默认为原视频大小        holder.addCallback(this);    }    public void playClick(View view){        mp.start();    }    public void pauseClick(View view){        mp.pause();    }    @Override    public void surfaceCreated(SurfaceHolder holder) {        mp = new MediaPlayer();        mp.setDisplay(holder); //把SurfaceHolder作为视频的显示        String path = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_MOVIES)+"/14.mp4";        try {            mp.setDataSource(path);            mp.prepare();        } catch (IOException e) {            e.printStackTrace();        }    }    @Override    public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {    }    @Override    public void surfaceDestroyed(SurfaceHolder holder) {        if (null!=mp) {            mp.release();        }    }}

不要忘了  清单权限

<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />