如何摆脱android全屏模式下的顶部褪色边缘？
通过将以下两行代码放入 Activity.OnCreate 中，我可以获得全屏视图：
requestWindowFeature(Window.FEATURE_NO_TITLE); getWindow().setFlags( WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN );
然而，如果你仔细观察，屏幕顶部边缘仍然有一个轻微的褪色边缘，看起来像是被移除的标题栏的残留物。我怎样才能彻底摆脱它？
请参阅此屏幕截图，这是使用上述两行代码获得的全屏视图，但顶部的淡入淡出边缘可见且烦人，我已经在根目录上尝试了 android:fadingEdge="none" 和 android:fadingEdgeLength="0sp"查看此活动，不起作用： 
By putting the following two lines of code in activity.OnCreate, I can get a full screen view:
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags( WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN );
However, if you look carefully, there is still a slight fading edge on the top edge of the screen which looks like a residue of the removed title bar. How can I get rid of that completely?
See this screen capture, which is a fullscreen view obtained using the above two lines of code, but the top fading edge is visible and annoying, I already tried android:fadingEdge="none" and android:fadingEdgeLength="0sp" on the root view of this activity, doesn't work:
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