public static void Use(Android.App.Activity mainActivity)
 {
     DemoUtilities.Init();
     DemoUtilitiesImplementation.Init(mainActivity);
     PermissionsImplementation.Init(mainActivity);
     PicturePickerImplementation.Init(mainActivity);
     PictureSaverImplementation.Init(mainActivity);
     StatusBarImplementation.Init(mainActivity);
     ToastImplementation.Init(mainActivity);
 }
 protected override void OnActivityResult(int requestCode, Result resultCode, Intent intent)
 {
     PicturePickerImplementation.OnActivityResult(requestCode, resultCode, intent);
     base.OnActivityResult(requestCode, resultCode, intent);
 }