private void ViewOnSystemUiVisibilityChange(object sender, View.SystemUiVisibilityChangeEventArgs e)
{
if (sender is View targetView && targetView.SystemUiVisibility != (StatusBarVisibility)_flags)
{
targetView.SystemUiVisibility = (StatusBarVisibility)_flags;
}
}
private void DecorView_SystemUiVisibilityChange(object sender, View.SystemUiVisibilityChangeEventArgs e)
{
try
{
((FrameLayout)sender).SystemUiVisibility = (StatusBarVisibility)
(SystemUiFlags.LayoutStable
| SystemUiFlags.LayoutHideNavigation
| SystemUiFlags.LayoutFullscreen
| SystemUiFlags.HideNavigation
| SystemUiFlags.Fullscreen
| SystemUiFlags.Immersive);
}
catch (Exception ex)
{
Toast.MakeText(ApplicationContext, "Decor event: " + ex.Message, ToastLength.Long);
}
}
private void AnchorViewOnSystemUiVisibilityChange(object sender, View.SystemUiVisibilityChangeEventArgs systemUiVisibilityChangeEventArgs)
{
// Test against mTestFlags to see if the system UI is visible.
if (((int)systemUiVisibilityChangeEventArgs.Visibility & m_TestFlags) != 0)
{
if ((int)Build.VERSION.SdkInt < 16)
{
// Pre-Jelly Bean, we must manually hide the action bar
// and use the old window flags API.
if (m_Activity.ActionBar != null)
{
m_Activity.ActionBar.Hide();
}
m_Activity.Window.SetFlags(WindowManagerFlags.Fullscreen, WindowManagerFlags.Fullscreen);
}
// Trigger the registered listener and cache the visibility
// state.
m_OnVisibilityChangeListener.OnVisibilityChange(false);
IsVisible = false;
}
else
{
m_AnchorView.SystemUiVisibility = (StatusBarVisibility)m_ShowFlags;
if ((int)Build.VERSION.SdkInt < 16)
{
// Pre-Jelly Bean, we must manually show the action bar
// and use the old window flags API.
if (m_Activity.ActionBar != null)
{
m_Activity.ActionBar.Show();
}
m_Activity.Window.SetFlags(0, WindowManagerFlags.Fullscreen);
}
// Trigger the registered listener and cache the visibility
// state.
m_OnVisibilityChangeListener.OnVisibilityChange(true);
IsVisible = true;
}
}