protected override void OnAppearing()
		{
			base.OnAppearing();

			var vm = new VideoViewModel(this.isCallInitiator, this.mainUser, this.users, this.initiateVideoMessage, isVideoCall);
			this.BindingContext = vm;
			vm.OnAppearing();

			buttonRoot.IsVisible = true;
		}
        protected override void OnAppearing()
        {
            base.OnAppearing();

            var vm = new VideoViewModel(this.isCallInitiator, this.mainUser, this.users, this.initiateVideoMessage, isVideoCall);

            this.BindingContext = vm;
            vm.OnAppearing();

            buttonRoot.IsVisible = true;
        }