如何使VideoView全屏显示

4
我想在我的Activity中使用VideoView播放视频,并在单击Button时将其全屏且切换为landscape模式(隐藏虚拟按钮和状态栏)。但是无法隐藏虚拟按钮并且底部有一条白线。 my app

这是我的活动代码:

public class VideoActivity extends Activity {
private VideoView mVideoView;
private String mUrl;
private Button mFullScreen;
private static String TAG = VideoActivity.class.getName();
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    Log.d(TAG,"onCreate");
    setContentView(R.layout.video);
    mVideoView = (VideoView) findViewById(R.id.video);
    mFullScreen = (Button) findViewById(R.id.fullscreen);
    File file = new File(Environment.getExternalStorageDirectory(),"video.mp4");
    mVideoView.setVideoPath(file.getPath());
    mVideoView.start();
    mFullScreen.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            enterFullScreen();
            mFullScreen.setVisibility(View.GONE);
        }
    });

}

@Override
protected void onDestroy() {
    super.onDestroy();
    Log.d(TAG,"onDestroy");
}

private void enterFullScreen(){
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);//设置全屏
    this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);//设置横屏
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON,WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);//常亮
    RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(
      RelativeLayout.LayoutParams.MATCH_PARENT,
      RelativeLayout.LayoutParams.MATCH_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);
  }
}

video.xml

 <?xml version="1.0" encoding="utf-8"?>
    <RelativeLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <VideoView
        android:id="@+id/video"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:padding="0dp"/>
    <Button
        android:id="@+id/fullscreen"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:visibility="visible"
        android:text="Fullscreen"/>
</RelativeLayout>
4个回答

3
在横屏模式下尝试一下这个。
<VideoView android:id="@+id/video"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:layout_alignParentLeft="true"
   android:layout_alignParentRight="true"
   android:layout_alignParentBottom="true"
   android:layout_alignParentTop="true"
    />

隐藏虚拟按钮,请添加以下代码:

getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);

原始尺寸

         DisplayMetrics metrics = new DisplayMetrics();  getWindowManager().getDefaultDisplay().getMetrics(metrics);
         android.widget.LinearLayout.LayoutParams params = (android.widget.LinearLayout.LayoutParams) videoView.getLayoutParams();
         params.width =  (int) (300*metrics.density);
         params.height = (int) (250*metrics.density);
         params.leftMargin = 30;
         videoView.setLayoutParams(params);

全屏尺寸

         DisplayMetrics metrics = new DisplayMetrics(); getWindowManager().getDefaultDisplay().getMetrics(metrics);
         android.widget.LinearLayout.LayoutParams params = (android.widget.LinearLayout.LayoutParams) videoView.getLayoutParams();
         params.width =  metrics.widthPixels;
         params.height = metrics.heightPixels;
         params.leftMargin = 0;
         videoView.setLayoutParams(params);

1
以这种方式,它总是全屏显示,但我希望它不要全屏,在我点击全屏按钮后,它会变成全屏显示。 - PPTing
是的,你添加的虚拟按钮代码有效,我现在知道该怎么做了。我可以在点击按钮后将VideoView的padding设置为0,0,0,0,例如mVideoView.setPadding(0,0,0,0)。总之,非常感谢你的帮助。 - PPTing
很好。如果这对你有帮助,请接受我的答案。编程愉快 :) - Kristo
以这种方式,看起来我无法退出全屏,但我想退出全屏。 - PPTing
好的,使用你的XML并尝试以编程方式完成这个任务。我会编辑我的回答。 - Kristo
显示剩余13条评论

2
最终,在Kristo1990和prashantwosti的帮助下,我解决了这个问题。 我的代码如下:
RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(
                RelativeLayout.LayoutParams.MATCH_PARENT,
                RelativeLayout.LayoutParams.MATCH_PARENT
        );
private void enterFullScreen(){
        this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);//设置横屏
        mVideoView.setSystemUiVisibility(
                View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                        | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                        | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
                        | View.SYSTEM_UI_FLAG_FULLSCREEN
                        | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
        layoutParams.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);
        layoutParams.addRule(RelativeLayout.ALIGN_PARENT_TOP);
        layoutParams.addRule(RelativeLayout.ALIGN_PARENT_LEFT);
        layoutParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT);
        mVideoView.setLayoutParams(layoutParams);
    }

private void exitFullScreen(){
          this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
            mVideoView.setSystemUiVisibility(0);
            isFullScreen = false;
            mFullScreen.setVisibility(View.INVISIBLE);
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
                layoutParams.removeRule(RelativeLayout.ALIGN_PARENT_BOTTOM);
                layoutParams.removeRule(RelativeLayout.ALIGN_PARENT_TOP);
                layoutParams.removeRule(RelativeLayout.ALIGN_PARENT_LEFT);
                layoutParams.removeRule(RelativeLayout.ALIGN_PARENT_RIGHT);
            }else {
                layoutParams.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM,0);
                layoutParams.addRule(RelativeLayout.ALIGN_PARENT_TOP,0);
                layoutParams.addRule(RelativeLayout.ALIGN_PARENT_LEFT,0);
                layoutParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT,0);
            }
            mFullScreen.setVisibility(View.VISIBLE);

            mVideoView.setLayoutParams(layoutParams);
        }

最后,我重写了KEYCODE_BACK以退出全屏模式。希望这能帮助大家,再次感谢。


0
您可以将此用于BackButton:
closeButton = (Button) findViewById(R.id.buttonClose);
    closeButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View arg0) {
            Log.d("VideoPreview", "onClick Close Button");
            VideoFullscreenActivity.super.onBackPressed();
        }
    });

看一下:如何关闭VideoView Activity(目前需要按两次返回键)


这种方法是结束活动,但我不想结束活动,我编写了代码以退出全屏模式,代码类似于getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT);。 - PPTing

0

这是我正在使用的应用程序中的一些片段:

在播放器活动中:

decorView.setSystemUiVisibility(
            View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                    | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                    | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
                    | View.SYSTEM_UI_FLAG_FULLSCREEN
                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);

你的player_layout.xml文件:

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/video_container"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/black"
android:keepScreenOn="true"
android:orientation="vertical">

<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/main_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#000000"
    tools:context=".PlayerActivity">

   <VideoView
     android:id="@+id/videoView"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:layout_gravity="center"/>

</FrameLayout>


</RelativeLayout>

values/styles.xml:

<style name="AppTheme.NoActionBar">
    <item name="windowActionBar">false</item>
    <item name="windowNoTitle">true</item>
</style>

非常感谢,你的代码帮助我找到了解决问题的新方法。 - PPTing

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