Permission plugin version 6.0.1 crashes the app

[PraveenPotla]

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Bug Information

Version Number of Plugin:6.0.1
Device Tested On:Android Version 9
Simulator Tested On:
Version of VS: 16.5.5
Version of Xamarin: Xamarin Version 16.5.00 and Xamarin.AndroidSDK 10.2
Versions of other things you are using:

Steps to reproduce the Behavior

I Install the recent plugin from NuGet 6.0.1 and xamarin. essentials version 1.5.3.2
Request calendar permission

Expected Behavior

Calendar permission set and application continues

Actual Behavior

I am getting below error and application crashes
System.MissingMethodException: 'Method not found: Android.App.Activity Xamarin.Essentials.Platform.get_CurrentActivity()'

Code snippet

async void ButtonPermission_OnClicked(object sender, EventArgs e)
{
if (busy)
return;

        busy = true;
        ((Button)sender).IsEnabled = false;

        var status = PermissionStatus.Unknown;
        switch (((Button)sender).StyleId)
        {
            case "Calendar":
                status = await CrossPermissions.Current.CheckPermissionStatusAsync<CalendarPermission>();
                break;
            case "Camera":
                status = await CrossPermissions.Current.CheckPermissionStatusAsync<CameraPermission>();
                break;
            case "Settings":
                CrossPermissions.Current.OpenAppSettings();
                ((Button)sender).IsEnabled = true;
                busy = false;
                return;
        }

        await DisplayAlert("Pre - Results", status.ToString(), "OK");

        if (status != PermissionStatus.Granted)
        {
            switch (((Button)sender).StyleId)
            {
                case "Calendar":
                    status = await Utils.CheckPermissions(new CalendarPermission());
                    break;
                case "Camera":
                    status = await Utils.CheckPermissions(new CameraPermission());
                    break;               
            }

            await DisplayAlert("Results", status.ToString(), "OK");

        }

        busy = false;
        ((Button)sender).IsEnabled = true;
    }

Utils Code:
public static async Task CheckPermissions(BasePermission permission)
{
var permissionStatus = await permission.CheckPermissionStatusAsync();
bool request = false;
if (permissionStatus == PermissionStatus.Denied)
{
if (Device.RuntimePlatform == Device.iOS)
{

				var title = $"{permission} Permission";
				var question = $"To use this plugin the {permission} permission is required. Please go into Settings and turn on {permission} for the app.";
				var positive = "Settings";
				var negative = "Maybe Later";
				var task = Application.Current?.MainPage?.DisplayAlert(title, question, positive, negative);
				if (task == null)
					return permissionStatus;

				var result = await task;
				if (result)
				{
					CrossPermissions.Current.OpenAppSettings();
				}

				return permissionStatus;
			}

			request = true;

		}

		if (request || permissionStatus != PermissionStatus.Granted)
		{
			permissionStatus = await permission.RequestPermissionAsync();


			if (permissionStatus != PermissionStatus.Granted)
			{
				var title = $"{permission} Permission";
				var question = $"To use the plugin the {permission} permission is required.";
				var positive = "Settings";
				var negative = "Maybe Later";
				var task = Application.Current?.MainPage?.DisplayAlert(title, question, positive, negative);
				if (task == null)
					return permissionStatus;

				var result = await task;
				if (result)
				{
					CrossPermissions.Current.OpenAppSettings();
				}
				return permissionStatus;
			}
		}

		return permissionStatus;
	}

Main activity Code

protected override void OnCreate(Bundle savedInstanceState)
{
TabLayoutResource = Resource.Layout.Tabbar;
ToolbarResource = Resource.Layout.Toolbar;

        base.OnCreate(savedInstanceState);
       
        global::Xamarin.Forms.Forms.Init(this, savedInstanceState);
        Xamarin.Essentials.Platform.Init(this, savedInstanceState);
        LoadApplication(new App());
    }
    public override void OnRequestPermissionsResult(int requestCode, string[] permissions, Permission[] grantResults)
    {
        Xamarin.Essentials.Platform.OnRequestPermissionsResult(requestCode, permissions, grantResults);

        base.OnRequestPermissionsResult(requestCode, permissions, grantResults);
    }

Screenshots

No

[jamesmontemagno]

Interesting....

Can you add:

var test = Xamarin.Essentials.Platform.CurrentActivity;

after

        Xamarin.Essentials.Platform.Init(this, savedInstanceState);

[skycloudnest]

I agree, on await CrossPermissions.Current.RequestPermissionAsync(); invoked i Have ios app crash