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iOS: Fix permission warnings when using RequestAsync on main thread #29580

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iOS: Fix permission warnings when using RequestAsync on main thread #29580

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bd1ba0f
Initial plan for issue
Copilot May 19, 2025
e7ee91a
Fix iOS permission warnings by using main thread only for UI operations
Copilot May 19, 2025
109198d
Remove main thread requirement for iOS permission requests
Copilot May 19, 2025
c0caf4f
Remove EnsureMainThread and add device/UI tests for iOS permissions
Copilot May 19, 2025
8018021
Address review feedback for iOS permission fixes
Copilot May 19, 2025
6c02a14
Address review feedback on iOS permission tests and code comments
Copilot May 19, 2025
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8 changes: 6 additions & 2 deletions src/Essentials/src/Permissions/Permissions.ios.tvos.watchos.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -135,7 +135,7 @@ public override async Task<PermissionStatus> RequestAsync()
if (status == PermissionStatus.Granted || status == PermissionStatus.Disabled)
return status;

EnsureMainThread();
// No need to ensure main thread here as the permission request dialog will be shown on the main thread

#pragma warning disable CA1416 // https://github.com/xamarin/xamarin-macios/issues/14619
#pragma warning disable CA1422 // Validate platform compatibility
Expand Down Expand Up @@ -181,7 +181,11 @@ internal static Task<PermissionStatus> RequestLocationAsync(bool whenInUse, Acti
del.AuthorizationStatusChanged += LocationAuthCallback;
locationManager.Delegate = del;

invokeRequest(locationManager);
// Only use the main thread for the actual permission request dialog
MainThread.BeginInvokeOnMainThread(() =>
{
invokeRequest(locationManager);
});

return tcs.Task;

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2 changes: 1 addition & 1 deletion src/Essentials/src/Permissions/Permissions.ios.watchos.cs
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Expand Up @@ -264,7 +264,7 @@ public override async Task<PermissionStatus> RequestAsync()
if (status == PermissionStatus.Granted)
return status;

EnsureMainThread();
// No need to ensure main thread here as the permission request dialog will be shown on the main thread

#pragma warning disable CA1416 // https://github.com/xamarin/xamarin-macios/issues/14619
return await LocationWhenInUse.RequestLocationAsync(false, lm => lm.RequestAlwaysAuthorization());
Expand Down