Android系列之利用SurfaceView实现视频播放器

xml配置文件的权限：

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

xml布局文件：

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".Main2Activity">


    <VideoView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/vv_main2"
        />
</LinearLayout>

java代码：

package com.zking.laci.android28_vedio;

import android.net.Uri;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.widget.MediaController;
import android.widget.VideoView;

public class Main2Activity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main2);
        VideoView vv_main2= (VideoView) findViewById(R.id.vv_main2);

        vv_main2.setVideoURI(Uri.parse("file://mnt/sdcard/dcim/camera/V70720-091144.mp4"));
        MediaController mediaController=new MediaController(this);
        mediaController.setMediaPlayer(vv_main2);
        vv_main2.setMediaController(mediaController);
    }
}