/// <summary>
/// Creates a new tab with the specified title which will be
/// associated with the specified index of the specified <see cref="TabContainerView"/>.
/// </summary>
/// <param name="tabView">The <see cref="TabContainerView"/> the tab is created for.</param>
/// <param name="title">The displayed title of the tab.</param>
/// <param name="index">The index of the container to show when the tab is selected.</param>
/// <returns>A <see cref="Label"/> representing the newly created tab.</returns>
private static View CreateTab(TabContainerView tabView, string title, int index)
{
var lbl = new Label
{
Text = title,
VerticalOptions = LayoutOptions.FillAndExpand,
VerticalTextAlignment = TextAlignment.Center,
HorizontalOptions = LayoutOptions.FillAndExpand,
HorizontalTextAlignment = TextAlignment.Center,
Margin = new Thickness(6, 0)
};
lbl.SetDynamicResource(StyleProperty, "TitleStyle");
// change tab on click
var gestureRecognizer = new TapGestureRecognizer();
gestureRecognizer.Tapped += (s, e) =>
{
tabView.CurrentTab = $"{index}";
};
lbl.GestureRecognizers.Add(gestureRecognizer);
return(lbl);
}
/// <summary>
/// Sets the currently displayed view by index.
/// </summary>
/// <param name="control">The instance of the <see cref="TabContainerView"/>.</param>
/// <param name="index">The index to set.</param>
private static void SetDisplayedView(TabContainerView control, int index)
{
if (control == null || index < 0 || index >= control.TabViews.Count)
{
throw new ArgumentException("Illegal arguments passed.");
}
control.contentContainer.Content = control.TabViews[index];
}