MasterDetail page disable hamburger icon in iOS

Question

Hi,

In some cases I need to disable MasterDetail page (or FlyoutPage) hamburger button so users can't open master page. If I set IsGesturesEnabled = false it won't allow users to open master with swipe, but they still can via the button.

Anyway to achieve this? Perhaps using MasterDetail custom renderer and disabling icon there somehow?

Thanks in advance.

Answer 1

Hi EJ-5254，

Welcome to our Microsoft Q&A platform!

Yes, you can create a custom render for the page you want to disable "menu button".

Here I download the sample Xamarin documentation provides on GitHub: xamarin/xamarin-forms-samples.

To disable the "menu button" on ContactsPage, you can create a custom render for it as follows.

[assembly: ExportRenderer(typeof(ContactsPage), typeof(CustomPageRenderer))]  
namespace FlyoutPageNavigation.iOS  
{  
    class CustomPageRenderer : PageRenderer  
    {  
        public override void ViewDidLayoutSubviews()  
        {  
            base.ViewDidLayoutSubviews();  
  
            if (NavigationController != null)  
            {  
                var items = NavigationController.NavigationBar.Items;  
                if (items.Length != 0)  
                {  
                    UIBarButtonItem leftItem = items[0].LeftBarButtonItem;  
                    if (NavigationController.ViewControllers.Length == 1)  
                    {  
                        leftItem.Enabled = false;  
                    }  
                }  
            }  
        }  
    }  
}  

Regards,
Kyle

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