Question

所以，我知道这已被问过好几次了，但是我无法让它工作（而且每个Android版本的答案似乎都有所改变）。编辑：我在Marshmallow上测试，但是在Android 4.1 +上运行它会很不错。

我想要的只是显示全屏视频，当用户点击屏幕时，显示导航栏和其他媒体控件/计时器。就像像VLC和Youtube这样的应用程序已经在做了。

我开始使用Android Studio中的Fullscreen Activity示例，因此我的标记是：

全屏时：

private final Runnable mHidePart2Runnable = new Runnable() {
    @SuppressLint("InlinedApi")
    @Override
    public void run() {
        // Delayed removal of status and navigation bar

        // Note that some of these constants are new as of API 16 (Jelly Bean)
        // and API 19 (KitKat). It is safe to use them, as they are inlined
        // at compile-time and do nothing on earlier devices.
        rootView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE
                | View.SYSTEM_UI_FLAG_FULLSCREEN
                | View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
                | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
    }
};

显示导航栏时：

@SuppressLint("InlinedApi")
private void show() {

    // Show the system bar
    rootView.setSystemUiVisibility(
            View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION);
    mVisible = true;

    // Schedule a runnable to display UI elements after a delay
    mHideHandler.removeCallbacks(mHidePart2Runnable);
    mHideHandler.postDelayed(mShowPart2Runnable, UI_ANIMATION_DELAY);
}

这就是我想要的和我得到的：

这是我的布局：

<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"
    android:background="#ff000000"
    android:id="@+id/layout_play_video"
    tools:context="com.nttdata.videoplaylist.PlayVideoActivity">

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

    <ProgressBar
        android:id="@+id/loading_pb"
        android:layout_width="80dp"
        android:layout_height="80dp"
        android:layout_gravity="center|center"
        android:progressDrawable="@drawable/loading"
        android:layout_centerVertical="true"
        android:layout_centerHorizontal="true" />

    <RelativeLayout
        android:id="@+id/fullscreen_content_controls"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal|bottom"
        android:layout_alignParentBottom="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" >

        <TextView
            android:id="@+id/content_video_time_current"
            android:layout_width="wrap_content"
            android:layout_height="50dp"
            android:shadowColor="@android:color/black"
            android:text="@string/content_duration"
            android:textColor="#ffffffff"
            android:textSize="30sp"
            android:layout_marginLeft="25dp"
            android:layout_marginStart="25dp"
            android:layout_alignParentBottom="true"
            android:layout_alignParentLeft="true"
            android:layout_alignParentStart="true" />

        <TextView
            android:id="@+id/content_video_time_total"
            android:layout_width="wrap_content"
            android:layout_height="50dp"
            android:shadowColor="@android:color/black"
            android:text="@string/content_duration"
            android:textColor="#ffffffff"
            android:textSize="30sp"
            android:layout_marginRight="25dp"
            android:layout_marginEnd="25dp"
            android:layout_gravity="end|bottom"
            android:layout_alignParentBottom="true"
            android:layout_alignParentRight="true"
            android:layout_alignParentEnd="true" />

        <ProgressBar
            android:id="@+id/content_video_progress"
            android:layout_width="match_parent"
            style="?android:attr/progressBarStyleHorizontal"
            android:layout_height="50dp"
            android:layout_marginLeft="60dp"
            android:layout_marginStart="60dp"
            android:layout_marginRight="60dp"
            android:layout_marginEnd="60dp"
            android:layout_toStartOf="@id/content_video_time_total"
            android:layout_toLeftOf="@id/content_video_time_total"
            android:layout_toEndOf="@id/content_video_time_current"
            android:layout_toRightOf="@id/content_video_time_current"
            android:layout_alignParentBottom="true" />

    </RelativeLayout>
</RelativeLayout>

Answer 1

我很好奇你的rootView来自哪里。 Permanently hide navigation bar on activity 看看这个。

View decorView = getWindow().getDecorView();

尝试decorView而不是rootView。

Android VideoView全屏，导航栏重叠控件

1 个答案: