private void InitTabBar()
{
if (tabBar != null)
{
return;
}
tabBar = new TabBar();
tabBar.TabButtonSelected += tabButtonSelectedHandler;
Add(tabBar);
}
/// <summary>
/// Adds a tab with tab button and content view.
/// </summary>
/// <param name="tabButton">A tab button to be added.</param>
/// <param name="view">A content view to be added.</param>
/// <since_tizen> 9 </since_tizen>
public void AddTab(TabButton tabButton, View view)
{
if (TabBar != null)
{
TabBar.AddTabButton(tabButton);
}
if (Content != null)
{
Content.AddView(view);
}
}
/// <summary>
/// Creates a new instance of TabView.
/// </summary>
/// <since_tizen> 9 </since_tizen>
public TabView()
{
Layout = new LinearLayout()
{
LinearOrientation = LinearLayout.Orientation.Vertical
};
WidthSpecification = LayoutParamPolicies.MatchParent;
HeightSpecification = LayoutParamPolicies.MatchParent;
InitTabBar();
InitContent();
// To show TabBar's shadow TabBar is raised above Content.
TabBar.RaiseAbove(Content);
}
/// <summary>
/// Removes a tab at the specified index of TabView.
/// The indices of tabs(tab buttons and views) in TabView are basically the order of adding to TabView by <see cref="TabView.AddTab"/>.
/// So the index of a tab(tab button and view) in TabView can be changed whenever <see cref="TabView.AddTab"/> or <see cref="TabView.RemoveTab"/> is called.
/// </summary>
/// <param name="index">The index of a tab(tab button and view) in TabView where the tab will be removed.</param>
/// <exception cref="ArgumentOutOfRangeException">Thrown when the index is less than 0, or greater than or equal to the number of tabs.</exception>
/// <since_tizen> 9 </since_tizen>
public void RemoveTab(int index)
{
var tabButton = TabBar.GetTabButton(index);
if (tabButton != null)
{
TabBar.RemoveTabButton(tabButton);
}
var view = Content.GetView(index);
if (view != null)
{
Content.RemoveView(view);
}
}