Xamarin.Forms Xamarin Plugin Permissions Plugin

Example

Check to see if your users have granted or denied permissions for common permission groups on iOS and Android.

Additionally, you can request permissions with a simple cross-platform async/awaitified API.

Available Nuget : https://www.nuget.org/packages/Plugin.Permissions enter link description here XAML

XAML

 <StackLayout Padding="30" Spacing="10">
      <Button Text="Get Location" Clicked="Button_OnClicked"></Button>
      <Label x:Name="LabelGeolocation"></Label>
      <Button Text="Calendar" StyleId="Calendar" Clicked="ButtonPermission_OnClicked"></Button>
      <Button Text="Camera" StyleId="Camera" Clicked="ButtonPermission_OnClicked"></Button>
      <Button Text="Contacts" StyleId="Contacts" Clicked="ButtonPermission_OnClicked"></Button>
      <Button Text="Microphone" StyleId="Microphone" Clicked="ButtonPermission_OnClicked"></Button>
      <Button Text="Phone" StyleId="Phone" Clicked="ButtonPermission_OnClicked"></Button>
      <Button Text="Photos" StyleId="Photos" Clicked="ButtonPermission_OnClicked"></Button>
      <Button Text="Reminders" StyleId="Reminders" Clicked="ButtonPermission_OnClicked"></Button>
      <Button Text="Sensors" StyleId="Sensors" Clicked="ButtonPermission_OnClicked"></Button>
      <Button Text="Sms" StyleId="Sms" Clicked="ButtonPermission_OnClicked"></Button>
      <Button Text="Storage" StyleId="Storage" Clicked="ButtonPermission_OnClicked"></Button>
      <Label Text=""/>
      
    </StackLayout>

Code

bool busy;
        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(Permission.Calendar);
                    break;
                case "Camera":
                    status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Camera);
                    break;
                case "Contacts":
                    status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Contacts);
                    break;
                case "Microphone":
                    status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Microphone);
                    break;
                case "Phone":
                    status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Phone);
                    break;
                case "Photos":
                    status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Photos);
                    break;
                case "Reminders":
                    status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Reminders);
                    break;
                case "Sensors":
                    status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Sensors);
                    break;
                case "Sms":
                    status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Sms);
                    break;
                case "Storage":
                    status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Storage);
                    break;
            }

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

            if (status != PermissionStatus.Granted)
            {
                switch (((Button)sender).StyleId)
                {
                    case "Calendar":
                        status = (await CrossPermissions.Current.RequestPermissionsAsync(Permission.Calendar))[Permission.Calendar];
                        break;
                    case "Camera":
                        status = (await CrossPermissions.Current.RequestPermissionsAsync(Permission.Camera))[Permission.Camera];
                        break;
                    case "Contacts":
                        status = (await CrossPermissions.Current.RequestPermissionsAsync(Permission.Contacts))[Permission.Contacts];
                        break;
                    case "Microphone":
                        status = (await CrossPermissions.Current.RequestPermissionsAsync(Permission.Microphone))[Permission.Microphone];
                        break;
                    case "Phone":
                        status = (await CrossPermissions.Current.RequestPermissionsAsync(Permission.Phone))[Permission.Phone];
                        break;
                    case "Photos":
                        status = (await CrossPermissions.Current.RequestPermissionsAsync(Permission.Photos))[Permission.Photos];
                        break;
                    case "Reminders":
                        status = (await CrossPermissions.Current.RequestPermissionsAsync(Permission.Reminders))[Permission.Reminders];
                        break;
                    case "Sensors":
                        status = (await CrossPermissions.Current.RequestPermissionsAsync(Permission.Sensors))[Permission.Sensors];
                        break;
                    case "Sms":
                        status = (await CrossPermissions.Current.RequestPermissionsAsync(Permission.Sms))[Permission.Sms];
                        break;
                    case "Storage":
                        status = (await CrossPermissions.Current.RequestPermissionsAsync(Permission.Storage))[Permission.Storage];
                        break;
                }

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

            }

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

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

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

            try
            {
                var status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Location);
                if (status != PermissionStatus.Granted)
                {
                    if (await CrossPermissions.Current.ShouldShowRequestPermissionRationaleAsync(Permission.Location))
                    {
                        await DisplayAlert("Need location", "Gunna need that location", "OK");
                    }

                    var results = await CrossPermissions.Current.RequestPermissionsAsync(Permission.Location);
                    status = results[Permission.Location];
                }

                if (status == PermissionStatus.Granted)
                {
                    var results = await CrossGeolocator.Current.GetPositionAsync(10000);
                    LabelGeolocation.Text = "Lat: " + results.Latitude + " Long: " + results.Longitude;
                }
                else if (status != PermissionStatus.Unknown)
                {
                    await DisplayAlert("Location Denied", "Can not continue, try again.", "OK");
                }
            }
            catch (Exception ex)
            {

                LabelGeolocation.Text = "Error: " + ex;
            }

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