问题描述
我正在尝试使用https://developer.android.com/training/system-ui/immersive中详细说明的以下代码隐藏窗口NavigationBar,但是为了完全隐藏窗口导航栏,它被恼人的空白所取代,从而阻塞了视图,如图中所示
下面是我的代码段
private int hideSystemsUIBarsInt() {
if (Build.VERSION.SDK_INT >= 26) {
return // Flag type
View.SYstem_UI_FLAG_IMMERSIVE_STICKY
// To Allow the activity content show under the Device Navigation when shown
| View.SYstem_UI_FLAG_LAYOUT_STABLE
| View.SYstem_UI_FLAG_LAYOUT_HIDE_NAVIGATION
| View.SYstem_UI_FLAG_LAYOUT_FULLSCREEN
// To Hide the Nav and status bar
| View.SYstem_UI_FLAG_HIDE_NAVIGATION
| View.SYstem_UI_FLAG_FULLSCREEN
// Control the color of the status and navigation item
| View.SYstem_UI_FLAG_LIGHT_STATUS_BAR
| View.SYstem_UI_FLAG_LIGHT_NAVIGATION_BAR;
} else { // Flag type
return
View.SYstem_UI_FLAG_IMMERSIVE_STICKY
// To Allow the activity content show under the Device Navigation when shown
| View.SYstem_UI_FLAG_LAYOUT_STABLE
| View.SYstem_UI_FLAG_LAYOUT_HIDE_NAVIGATION
| View.SYstem_UI_FLAG_LAYOUT_FULLSCREEN
// To Hide the Nav and status bar
| View.SYstem_UI_FLAG_HIDE_NAVIGATION
| View.SYstem_UI_FLAG_FULLSCREEN
// Control the color of the status and navigation item
| View.SYstem_UI_FLAG_LIGHT_STATUS_BAR;
}
}
我在如下的onWindowFocusChanged和OnsystemUIVisibilitychangelistener中使用它
@Override
public void onWindowFocusChanged(boolean hasFocus) {
super.onWindowFocusChanged(hasFocus);
if (hasFocus) {
decorViewFirst = getwindow().getDecorView();
decorViewFirst.setsystemUIVisibility(hideSystemsUIBarsInt());
}
}
decorViewFirst.setonsystemUIVisibilitychangelistener(new View.OnsystemUIVisibilitychangelistener() {
@Override
public void onsystemUIVisibilityChange(int visibility) {
if (visibility == 0) {
decorViewFirst = getwindow().getDecorView();
decorViewFirst.setsystemUIVisibility(hideSystemsUIBarsInt());
}
}
});
任何帮助对帮助我都将大有帮助。请注意,当我为项目实现菜单导航抽屉时,我注意到了这个问题。
解决方法
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