英文:
How can I hide Navigation Bar without hiding the status bar
问题
我正在尝试隐藏底部导航栏，而不是状态栏。大多数代码都会同时隐藏导航栏和状态栏。
英文:
I am trying to hide the Bottom navigation bar only and not the status bar. Most of the code I am getting is hiding both the navigation bar and the status bar.
答案1
得分: 1
尝试下面的函数。由于Android R的更改，View.SYSTEM_UI_FLAG_HIDE_NAVIGATION、setSystemUiVisibility等已被弃用。我已经制作了处理此情况的函数。
public void hideBottomNavigationBar() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
getWindow().setDecorFitsSystemWindows(false);
WindowInsetsController controller = getWindow().getInsetsController();
if (controller != null) {
controller.hide(WindowInsets.Type.navigationBars());
controller.setSystemBarsBehavior(WindowInsetsController.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE);
}
} else {
getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
}
}
关于使用View.SYSTEM_UI_FLAG_HIDE_NAVIGATION，还有一点需要注意，来自文档：
存在一个限制：由于导航控件非常重要，最小的用户交互将导致它们立即重新出现。发生这种情况时，这个标志和SYSTEM_UI_FLAG_FULLSCREEN都将自动清除，以便同时重新出现这两个元素。
为了解决这个限制，您还可以像这样设置View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY：
getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
但这仅适用于SDK 19及更高版本。
英文:
Try the below function. Owing to changes in Android R, View.SYSTEM_UI_FLAG_HIDE_NAVIGATION, setSystemUiVisibility etc are being deprecated. I have made the function to handle this scenario.
public void hideBottomNavigationBar() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
getWindow().setDecorFitsSystemWindows(false);
WindowInsetsController controller = getWindow().getInsetsController();
if(controller != null) {
controller.hide(WindowInsets.Type.navigationBars());
controller.setSystemBarsBehavior(WindowInsetsController.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE);
}
} else {
getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
}
}
Another thing to note about using View.SYSTEM_UI_FLAG_HIDE_NAVIGATION from the docs:
> There is a limitation: because navigation controls are so important, the least user interaction will cause them to reappear immediately. When this happens, both this flag and SYSTEM_UI_FLAG_FULLSCREEN will be cleared automatically, so that both elements reappear at the same time.
Inorder to work around this limitation you can set View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY as well like this:
getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
But this only works SDK 19 onwards.
答案2
得分: 0
View v = getWindow().getDecorView();
int options = View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
| View.SYSTEM_UI_FLAG_FULLSCREEN;
v.setSystemUiVisibility(options);
英文:
View v = getWindow().getDecorView();
int options = View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
| View.SYSTEM_UI_FLAG_FULLSCREEN;
v.setSystemUiVisibility(options);
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