[基础,代码流]利用VideoView和SurfaceView进行视频播放

[jingjin221]

本帖最后由 jingjin221 于 2016-10-11 16:52 编辑

MainActivity.java

/*
/*	利用原生VIDEOVIEW和SURFACEVIEW进行本地文件播放
/*	VIDEOVIEW可用于进行流媒体播放
/*
/*
*/
package com.timestech.xplayer;

import java.io.File;
import java.io.IOException;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.pm.ActivityInfo;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.view.WindowManager.LayoutParams;
import android.widget.MediaController;
import android.widget.VideoView;

public class MainActivity extends Activity implements SurfaceHolder.Callback {
	private MediaPlayer xPlayer = null;
	private SurfaceView xSurface = null;

	private VideoView xVideoView = null;

	private static final String videoUrl = "http://clips.vorwaerts-gmbh.de/big_buck_bunny.mp4";
	private static final String videoLocalUrl = "http://192.168.1.179:60000";
	@SuppressLint("SdCardPath")
	private static final String videoPath = "/mnt/sdcard/Movies/L00.mp4";

	@SuppressLint("SdCardPath")
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		//隐藏标题栏
		this.requestWindowFeature(Window.FEATURE_NO_TITLE);
		//沉浸模式
		getWindow().getDecorView().setSystemUiVisibility(
														View.SYSTEM_UI_FLAG_FULLSCREEN |
														View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
														View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
		// 设置横屏 禁止翻转
		setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);

		// 禁止休眠
		getWindow().setFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON,
				WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

		setContentView(R.layout.activity_main);
if(false)
{
		//----------------------------------------videoView播放视频----------------------------------------//
		//xVideoView = (VideoView) findViewById(R.id.videoView);
		MediaController  mediaco = new MediaController(this);
	    File file = new File(videoPath);
        if(file.exists()){
        	Log.e("###XPLAYER###", "ok!");

        	xVideoView.setVideoURI(Uri.parse(videoLocalUrl));
        	//xVideoView.setVideoPath(file.getAbsolutePath());

        	//VideoView与MediaController进行关联
        	xVideoView.setMediaController(mediaco);

            mediaco.setMediaPlayer(xVideoView);

            //让VideoView获取焦点
            xVideoView.requestFocus();

            xVideoView.start();
        }
        else
        	Log.e("###XPLAYER###", "Not found this file!");
}
else
{
		//----------------------------------------surfaceView播放视频----------------------------------------//
		xSurface = (SurfaceView)findViewById(R.id.surfaceView);

        /*
		LayoutParams lp = (LayoutParams) xSurface.getLayoutParams();	//导致闪退
		lp.width = 1280;
		lp.height = 647;
		xSurface.setLayoutParams(lp);
		*/

	    SurfaceHolder surfaceHolder = xSurface.getHolder(); //SurfaceHolder是SurfaceView的控制接口
	    surfaceHolder.addCallback(this); //因为这个类实现了SurfaceHolder.Callback接口，所以回调参数直接this
		//surfaceHolder.setFixedSize(1280, 720); //显示的分辨率,不是surface的大小,不设置为视频默认
}

	}

	@SuppressLint("SdCardPath")
	public void surfaceCreated(SurfaceHolder holder) {
		//必须在surface创建后才能初始化MediaPlayer,否则不会显示图像
		xPlayer = new MediaPlayer();
		//xPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
		xPlayer.setDisplay(holder);
        //设置显示视频显示在SurfaceView上
        try {
    	    File file = new File(videoPath);
            if(file.exists()){
            	Log.e("###XPLAYER###", "ok!");
            	xPlayer.setDataSource(file.getAbsolutePath());
            	xPlayer.prepare();
            	xPlayer.start();
            }
            else
            	Log.e("###XPLAYER###", "Not found this file!");
        } catch (Exception e) {
            e.printStackTrace();
        }
	}

	@Override
	public void surfaceChanged(SurfaceHolder arg0, int arg1, int arg2, int arg3) {
		// TODO Auto-generated method stub

	}

	@Override
	public void surfaceDestroyed(SurfaceHolder arg0) {
		// TODO Auto-generated method stub

	}

    protected void onDestroy() {
    	if(xPlayer!=null)
    	{
            //Activity销毁时停止播放，释放资源。不做这个操作，即使退出还是能听到视频播放的声音
	        if(xPlayer.isPlaying()) {
	        	xPlayer.stop();
	        }
	        xPlayer.release();
    	}
        super.onDestroy();
    }
}

activity_main.xml

<FrameLayout 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" >

    <SurfaceView
        android:id="@+id/surfaceView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center" />
    <!--
     <VideoView
             android:id="@+id/videoView"
        android:layout_width="800dp"
        android:layout_height="600dp"
        android:layout_gravity="center" />
        -->
</FrameLayout>