android vitamio videoview全屏主要通过LayoutParams 类来隐藏掉系统通知栏、，如下代码：
if(!fullscreen){//设置RelativeLayout的全屏模式  
      RelativeLayout.LayoutParams layoutParams=  
              new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.FILL_PARENT, RelativeLayout.LayoutParams.FILL_PARENT);  
           layoutParams.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);  
           layoutParams.addRule(RelativeLayout.ALIGN_PARENT_TOP);  
           layoutParams.addRule(RelativeLayout.ALIGN_PARENT_LEFT);  
           layoutParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT);  
           mVideoView01.setLayoutParams(layoutParams);  
             
           fullscreen = true;//改变全屏/窗口的标记  
       }else{//设置RelativeLayout的窗口模式  
          RelativeLayout.LayoutParams lp=new  RelativeLayout.LayoutParams(320,240);  
          lp.addRule(RelativeLayout.CENTER_IN_PARENT);  
            mVideoView01.setLayoutParams(lp);  
            fullscreen = false;//改变全屏/窗口的标记  
       }   
Vitamio 能够流畅播放720P甚至1080P高清MKV，FLV，MP4，MOV，TS，RMVB等常见格式的视频，还可以在 Android 上支持 MMS, RTSP, RTMP, HLS(m3u8) 等常见的多种视频流媒体协议，包括点播与直播。支持 ARMv6 和 ARMv7 两种 ARM CPU，同时对 VFP, VFPv3, NEON 等指令集都做相应优化。

原文链接：http://www.apkbus.com/blog-914653-68404.html