private void checkUser(object sender, EventArgs e)
{
if (pictureSize > this.Master.Width)
{
pictureSize = this.Master.Width * .75;
radius = pictureSize / 2;
userPicture.HeightRequest = pictureSize;
userPicture.WidthRequest = pictureSize;
userPicture.CornerRadius = (float)radius;
}
//check and update user picture and message
// SignOutButton.IsVisible = mainPageVM.checkUserStatus();
mainPageVM.checkUserStatus();
}