public async Task FlyoutItemsRendererWhenFlyoutBehaviorStartsAsLocked()
{
SetupBuilder();
var shell = await CreateShellAsync(shell =>
{
shell.CurrentItem = new FlyoutItem()
{
Items = { new ContentPage() }, Title = "Flyout Item"
};
shell.FlyoutBehavior = FlyoutBehavior.Locked;
});
await CreateHandlerAndAddToWindow <ShellRenderer>(shell, async (handler) =>
{
await Task.Delay(1000);
IShellContext shellContext = handler;
DrawerLayout dl = shellContext.CurrentDrawerLayout;
var flyout = dl.GetChildAt(0);
RecyclerViewContainer flyoutContainer = null;
if (dl.GetChildAt(1) is ViewGroup vg1 &&
vg1.GetChildAt(0) is RecyclerViewContainer rvc)
{
flyoutContainer = rvc;
}
_ = flyoutContainer ?? throw new Exception("Unable to locate RecyclerViewContainer");
Assert.True(flyoutContainer.MeasuredWidth > 0);
Assert.True(flyoutContainer.MeasuredHeight > 0);
});
}
private void MainScreenView_BackPressed(object sender, System.ComponentModel.CancelEventArgs e)
{
try
{
if (_drawerLayout.IsDrawerOpen(_drawerLayout.GetChildAt(1)))
{
_drawerLayout.CloseDrawers();
e.Cancel = true;
}
}
catch { }
}
RecyclerViewContainer GetFlyoutMenuReyclerView(ShellRenderer shellRenderer)
{
IShellContext shellContext = shellRenderer;
DrawerLayout dl = shellContext.CurrentDrawerLayout;
var flyout = dl.GetChildAt(0);
RecyclerViewContainer flyoutContainer = null;
if (dl.GetChildAt(1) is ViewGroup vg1 &&
vg1.GetChildAt(0) is RecyclerViewContainer rvc)
{
flyoutContainer = rvc;
}
return(flyoutContainer ?? throw new Exception("RecyclerView not found"));
}
/**
* Android4.4以上的状态栏着色(针对于DrawerLayout)
* 注:
* 1.如果出现界面展示不正确,删除布局中所有fitsSystemWindows属性,尤其是DrawerLayout的fitsSystemWindows属性
* 2.可以版本判断在5.0以上不调用该方法,使用系统自带
*
* @param activity Activity对象
* @param drawerLayout DrawerLayout对象
* @param statusBarColor 状态栏颜色
* @param alpha 透明栏透明度[0.0-1.0]
*/
public static void TintStatusBarForDrawer(Activity activity, DrawerLayout drawerLayout, int statusBarColor, float alpha)
{
if (Build.VERSION.SdkInt < BuildVersionCodes.Kitkat)
{
return;
}
Window window = activity.Window; //.getWindow();
ViewGroup decorView = (ViewGroup)window.DecorView; // ();
ViewGroup drawContent = (ViewGroup)drawerLayout.GetChildAt(0);
if (Build.VERSION.SdkInt >= BuildVersionCodes.Lollipop)
{
window.ClearFlags(WindowManagerFlags.TranslucentStatus); // WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
window.AddFlags(WindowManagerFlags.DrawsSystemBarBackgrounds); // WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
window.SetStatusBarColor(Color.Transparent);
drawerLayout.SetStatusBarBackgroundColor(statusBarColor);
int systemUiVisibility = (int)window.DecorView.SystemUiVisibility; // getDecorView().getSystemUiVisibility();
systemUiVisibility |= (int)SystemUiFlags.Fullscreen; // View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
systemUiVisibility |= (int)SystemUiFlags.LayoutStable; // View.SYSTEM_UI_FLAG_LAYOUT_STABLE;
window.DecorView.SystemUiVisibility = (StatusBarVisibility)systemUiVisibility; // getDecorView().setSystemUiVisibility(systemUiVisibility);
}
else
{
window.AddFlags(WindowManagerFlags.TranslucentStatus);// WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
}
SetStatusBar(decorView, statusBarColor, true, true);
SetTranslucentView(decorView, alpha);
drawerLayout.SetFitsSystemWindows(false);
drawContent.SetFitsSystemWindows(true);
ViewGroup drawer = (ViewGroup)drawerLayout.GetChildAt(1);
drawer.SetFitsSystemWindows(false);
}
