/// <summary>
/// Attach the specified view and savedInstanceState.
/// </summary>
/// <returns>The attach.</returns>
/// <param name="view">View.</param>
/// <param name="savedInstanceState">Saved instance state.</param>
public static BottomBar Attach(View view, Bundle savedInstanceState)
{
BottomBar bottomBar = new BottomBar(view.Context);
bottomBar.OnRestoreInstanceState(savedInstanceState);
ViewGroup contentView = (ViewGroup)view.Parent;
if (contentView != null)
{
View oldLayout = contentView.GetChildAt(0);
contentView.RemoveView(oldLayout);
bottomBar.PendingUserContentView = oldLayout;
contentView.AddView(bottomBar, 0);
}
else
{
bottomBar.PendingUserContentView = view;
}
return(bottomBar);
}
protected override void OnElementChanged(ElementChangedEventArgs <TabbedPageBottom> e)
{
base.OnElementChanged(e);
if (e.NewElement != null)
{
TabbedPageBottom bottomBarPage = e.NewElement;
if (_bottomBar == null)
{
_pageController = PageController.Create(bottomBarPage);
// create a view which will act as container for Page's
_frameLayout = new FrameLayout(Context);
_frameLayout.LayoutParameters = new FrameLayout.LayoutParams(LayoutParams.MatchParent, LayoutParams.MatchParent, GravityFlags.Fill);
AddView(_frameLayout, 0);
// create bottomBar control
_bottomBar = BottomBar.Attach(_frameLayout, null);
_bottomBar.NoTabletGoodness();
_bottomBar.UseFixedMode();
_bottomBar.LayoutParameters = new LayoutParams(LayoutParams.MatchParent, LayoutParams.MatchParent);
_bottomBar.SetOnTabClickListener(this);
// create tab items
SetTabItems();
}
if (bottomBarPage.CurrentPage != null)
{
SwitchContent(bottomBarPage.CurrentPage);
UpdateSelectedTabIndex(Element.CurrentPage);
}
}
}
/// <summary>
/// Navs the bar magic.
/// </summary>
/// <param name="activity">Activity.</param>
/// <param name="bottomBar">Bottom bar.</param>
private static void NavBarMagic(Activity activity, BottomBar bottomBar)
{
var res = activity.Resources;
int softMenuIdentifier = res.GetIdentifier("config_showNavigationBar", "bool", "android");
int navBarIdentifier = res.GetIdentifier("navigation_bar_height", "dimen", "android");
int navBarHeight = 0;
if (navBarIdentifier > 0)
{
navBarHeight = res.GetDimensionPixelSize(navBarIdentifier);
}
if (!bottomBar.DrawBehindNavBar || navBarHeight == 0)
{
return;
}
if (Build.VERSION.SdkInt >= BuildVersionCodes.IceCreamSandwich &&
ViewConfiguration.Get(activity).HasPermanentMenuKey)
{
return;
}
if (Build.VERSION.SdkInt < BuildVersionCodes.JellyBeanMr1 &&
(!(softMenuIdentifier > 0 && res.GetBoolean(softMenuIdentifier))))
{
return;
}
/* Copy-paste coding made possible by: http://stackoverflow.com/a/14871974/940036 */
if (Build.VERSION.SdkInt >= BuildVersionCodes.JellyBeanMr1)
{
var d = activity.WindowManager.DefaultDisplay;
DisplayMetrics realDisplayMetrics = new DisplayMetrics();
d.GetRealMetrics(realDisplayMetrics);
int realHeight = realDisplayMetrics.HeightPixels;
int realWidth = realDisplayMetrics.WidthPixels;
DisplayMetrics displayMetrics = new DisplayMetrics();
d.GetMetrics(displayMetrics);
int displayHeight = displayMetrics.HeightPixels;
int displayWidth = displayMetrics.WidthPixels;
var hasSoftwareKeys = (realWidth - displayWidth) > 0 ||
(realHeight - displayHeight) > 0;
if (!hasSoftwareKeys)
{
return;
}
}
/* End of delicious copy-paste code */
if (Build.VERSION.SdkInt >= BuildVersionCodes.Kitkat &&
res.Configuration.Orientation == Android.Content.Res.Orientation.Portrait)
{
activity.Window.Attributes.Flags |= WindowManagerFlags.TranslucentNavigation;
View outerContainer = bottomBar.OuterContainer;
int navBarHeightCopy = navBarHeight;
bottomBar.ViewTreeObserver.AddOnGlobalLayoutListener(new NavBarMagicOnGlobalLayoutListener(bottomBar, outerContainer, navBarHeightCopy, bottomBar._isTabletMode));
}
}
