act*_*ity 6 android android-spinner android-immersive
我使用沉浸式粘性模式来隐藏导航栏和操作栏:
@TargetApi(19)
private void setImmersiveMode() {
if (Build.VERSION.SDK_INT >= 19) {
View decorView = getWindow().getDecorView();
int uiOptions = getImmersiveUiOptions(decorView);
decorView.setSystemUiVisibility(uiOptions);
ActionBar actionBar = getActionBar();
if (null!=actionBar) {
actionBar.hide();
}
}
}
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当Spinner被触摸时,navigationBar被示出和沉浸式模式是禁用的。
此解决方案适用于对话框:
dialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE, WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE);
dialog.show();
dialog.getWindow().getDecorView().setSystemUiVisibility(
context.getWindow().getDecorView().getSystemUiVisibility());
dialog.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE);
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但是Spinner没有show()我可以覆盖的方法。
触摸微调器时如何防止系统 UI 显示?
编辑:这个问题是关于保持导航栏隐藏(BackButton、HomeButton 和RecentTasksButton)。我已经在用FLAG_FULLSCREEN
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
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我知道这已经太晚了,但我终于在这里找到了解决方案:
在使用之前只需在你的微调器上调用它:
import android.widget.PopupWindow
import android.widget.Spinner
fun Spinner.avoidDropdownFocus() {
try {
val isAppCompat = this is androidx.appcompat.widget.AppCompatSpinner
val spinnerClass = if (isAppCompat) androidx.appcompat.widget.AppCompatSpinner::class.java else Spinner::class.java
val popupWindowClass = if (isAppCompat) androidx.appcompat.widget.ListPopupWindow::class.java else android.widget.ListPopupWindow::class.java
val listPopup = spinnerClass
.getDeclaredField("mPopup")
.apply { isAccessible = true }
.get(this)
if (popupWindowClass.isInstance(listPopup)) {
val popup = popupWindowClass
.getDeclaredField("mPopup")
.apply { isAccessible = true }
.get(listPopup)
if (popup is PopupWindow) {
popup.isFocusable = false
}
}
} catch (e: Exception) {
e.printStackTrace()
}
}
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