Android原生视频播放VideoView的使用

<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=".MainActivity" 
 
 <VideoView
  android:id="@+id/videoView"
  android:layout_width="match_parent"
  android:layout_height="match_parent" / 
 <ProgressBar
  android:id="@+id/progressBar"
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:layout_centerInParent="true" / 
</RelativeLayout 

package com.example.administrator.main;
import android.content.Intent;
import android.media.MediaPlayer;
import android.net.Uri;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.view.MotionEvent;
import android.view.View;
import android.widget.MediaController;
import android.widget.ProgressBar;
import android.widget.RelativeLayout;
import android.widget.VideoView;
public class VideoActivity extends AppCompatActivity {
private ProgressBar progressBar;
private VideoView videoView;
private MediaController mediaController;
private int intPositionWhenPause = -1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_video);
//调用系统自带视频播放或者安装的第三方播放器
//  Uri uri=Uri.parse("http://vd3.bdstatic.com/mda-ig4tp6gnqwu5we8i/mda-ig4tp6gnqwu5we8i.mp4");
//  Intent intent=new Intent(Intent.ACTION_VIEW);
//  intent.setDataAndType(uri,"video/*");
//  startActivity(intent);
initVideoView();
}
/**
* 初始化videoview播放
*/
public void initVideoView() {
//初始化进度条
progressBar = (ProgressBar) findViewById(R.id.progressBar);
//初始化VideoView
videoView = (VideoView) findViewById(R.id.videoView);
//初始化videoview控制条
mediaController = new MediaController(this);
//设置videoview的控制条
videoView.setMediaController(mediaController);
//设置显示控制条
mediaController.show(0);
//设置播放完成以后监听
videoView.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
@Override
public void onCompletion(MediaPlayer mp) {
}
});
//设置发生错误监听，如果不设置videoview会向用户提示发生错误
videoView.setOnErrorListener(new MediaPlayer.OnErrorListener() {
@Override
public boolean onError(MediaPlayer mp, int what, int extra) {
return false;
}
});
//设置在视频文件在加载完毕以后的回调函数
videoView.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
@Override
public void onPrepared(MediaPlayer mp) {
progressBar.setVisibility(View.GONE);
videoView.start();
}
});
//设置videoView的点击监听
videoView.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
return false;
}
});
//设置网络视频路径
Uri uri = Uri.parse("http://vd3.bdstatic.com/mda-ig4tp6gnqwu5we8i/mda-ig4tp6gnqwu5we8i.mp4");
videoView.setVideoURI(uri);
//设置为全屏模式播放
setVideoViewLayoutParams(2);
}
/**
* 设置videiview的全屏和窗口模式
*
* @param paramsType 标识 1为全屏模式 2为窗口模式
*/
public void setVideoViewLayoutParams(int paramsType) {
//全屏模式
if (1 == paramsType) {
//设置充满整个父布局
RelativeLayout.LayoutParams LayoutParams = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.MATCH_PARENT, RelativeLayout.LayoutParams.MATCH_PARENT);
//设置相对于父布局四边对齐
LayoutParams.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);
LayoutParams.addRule(RelativeLayout.ALIGN_PARENT_TOP);
LayoutParams.addRule(RelativeLayout.ALIGN_PARENT_LEFT);
LayoutParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT);
//为VideoView添加属性
videoView.setLayoutParams(LayoutParams);
} else {
//窗口模式
//获取整个屏幕的宽高
DisplayMetrics DisplayMetrics = new DisplayMetrics();
this.getWindowManager().getDefaultDisplay().getMetrics(DisplayMetrics);
//设置窗口模式距离边框50
int videoHeight = DisplayMetrics.heightPixels;
int videoWidth = DisplayMetrics.widthPixels;
RelativeLayout.LayoutParams LayoutParams = new RelativeLayout.LayoutParams(videoWidth, videoHeight);
//设置居中
LayoutParams.addRule(RelativeLayout.ALIGN_TOP);
//为VideoView添加属性
videoView.setLayoutParams(LayoutParams);
}
}
/**
* 页面暂停效果处理
*/
@Override
protected void onPause() {
super.onPause();
//如果当前页面暂停则保存当前播放位置，全局变量保存
intPositionWhenPause = videoView.getCurrentPosition();
//停止回放视频文件
videoView.stopPlayback();
}
/**
* 页面从暂停中恢复
*/
@Override
protected void onResume() {
super.onResume();
//跳转到暂停时保存的位置
if (intPositionWhenPause  = 0) {
videoView.seekTo(intPositionWhenPause);
//初始播放位置
intPositionWhenPause = -1;
}
}
}