How to disable opening of flyout menu on swipe in Android and iOS

Question

I had created a flyout menu, it is opening when i swipe from left to right on the screen, how to disable opening of flyout on swipe.

FYI - im not using shell

Thanks

Answer 1

Hello,

Since the feature of popping up the Flyout window when sliding is provided by the native platform, you need to cancel the Flyout gesture operation on the native platform.

In Maui, you can complete this function through Handler. Please refer to the following documents and sample code.

• Handlers

Step 1. Create a ShellHandler for Android in the Platform/Android folder.

public class CustomAndroidShellHandler : ShellRenderer
{
    protected override IShellFlyoutRenderer CreateShellFlyoutRenderer()
    {
        var flyoutRenderer = base.CreateShellFlyoutRenderer();
        flyoutRenderer.AndroidView.Touch += AndroidView_Touch;
 
        return flyoutRenderer;
    }
 
    private void AndroidView_Touch(object? sender, global::Android.Views.View.TouchEventArgs e)
    {
        if (e.Event.Action == MotionEventActions.Move)
        {
            e.Handled = true;
        }
        else
        {
            e.Handled = false;
        }
    }
}

Step 2. Create a ShellHandler for Android in the Platform/iOS folder.

public class CustomiOSShellHandler : ShellRenderer
{
    IShellFlyoutRenderer flyoutRenderer;
 
    protected override IShellFlyoutRenderer CreateFlyoutRenderer()
    {
        flyoutRenderer = base.CreateFlyoutRenderer();
        return flyoutRenderer;
    }
 
    public override void ViewWillAppear(bool animated)
    {
        base.ViewWillAppear(animated);
        var type = flyoutRenderer.GetType();
        var property = type.GetProperty("PanGestureRecognizer", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
        var value = property.GetValue(flyoutRenderer);
 
        UIPanGestureRecognizer recognizer = value as UIPanGestureRecognizer;
        recognizer.Enabled = false;
    }
}

Step 3. Register Handler for builder in MauiProgram.cs.

ConfigureMauiHandlers(handlers =>
                {
#if IOS
            handlers.AddHandler<Shell, CustomiOSShellHandler>();
#elif ANDROID
                   handlers.AddHandler<Shell, CustomAndroidShellHandler>();
#endif
                });

Best Regards,

Alec Liu.

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