How to hide/show the icon button from the application bar in windows phone 8 apps?

Question

I am developing an application for windows phone 8. My problem is I could't hide/show an icon button from the application bar. Any one tell me the answer if you have.

Answer 1

We can't access direclty the visibilty propety of application bar,and so other way is remove icon when u no need it and add it again when you need it.

To Remove first appicon,

ApplicationBar.Buttons.RemoveAt(0);

To Add,

ApplicationBarIconButton b = new ApplicationBarIconButton();
b.Text = i.ToString();
b.IconUri = new Uri("/Images/icon1.png", UriKind.Relative);
ApplicationBar.Buttons.Add(b);

Answer 2

You can either hide the whole application bar:

ApplicationBar.IsVisible = false

when you want to hide the appbar. Set it to true whenever you want to display it.

Else you can hide individual buttons by:

((ApplicationBarIconButton)ApplicationBar.Buttons[buttonIndex]).IsEnabled = false;

Hope it helps.

Answer 3

I am not clear about your question, which one you need. So I share you some options about applicationBar & Menu which I know.

• Completely hide appBar from your application page.

  1. C#

      ApplicationBar.IsVisible = false; 

  2. XAML

      <shell:ApplicationBar IsVisible = false; /> 

• If want to minimized applicationBar

   ApplicationBar.Mode = ApplicationBarMode.Minimized; // to minimize ApplicationBar.Mode = ApplicationBarMode.Default; //to get normal view 

• For disable

   ApplicationBarIconButton _timerAppBarIconBtn; _timerAppBarIconBtn.IsEnabled = false; 

• Competely remove ApplicationBar & MenuItems

    for (int i = ApplicationBar.Buttons.Count - 1; i >= 0; i--) ApplicationBar.Buttons.RemoveAt(i); for (int i = ApplicationBar.MenuItems.Count - 1; i >= 0; i--) ApplicationBar.MenuItems.RemoveAt(i); 

• Add ApplicationBar

   ApplicationBarIconButton _timerAppBarIconBtn; _timerAppBarIconBtn = new ApplicationBarIconButton { IconUri = new Uri("/Assets/AppBar/timer.png", UriKind.Relative), Text = "timer" }; _timerAppBarIconBtn.Click += (s, v) => MaintainTimer(); //call a method ApplicationBar.Buttons.Add(_rotateAppBarIconBtn);