C# UIPickerView.RemoveFromSuperview方法代码示例

        public override void ViewDidLoad()
        {
            base.ViewDidLoad ();
            Console.WriteLine ("PBS VDL");
            this.NavigationController.NavigationBar.TintColor = UIColor.FromRGB (237, 152, 0);
            this.NavigationController.NavigationBar.BarTintColor = UIColor.FromRGB (52, 19, 0);

            float sH = UIScreen.MainScreen.Bounds.Height;
            float sW = UIScreen.MainScreen.Bounds.Width;

            var volumeView = new MPVolumeView(new RectangleF(50,sH - 100,200,50));
            volumeView.ShowsVolumeSlider = true;
            volumeView.ShowsRouteButton = true;
            volumeView.TintColor = UIColor.FromRGB (237, 152, 0);
            View.AddSubview (volumeView);

            var volumeUpView = new UIImageView (new RectangleF (260, sH - 104, 26, 26));
            volumeUpView.Image = UIImage.FromFile("volume_up-26.png");
            View.AddSubview (volumeUpView);

            var volumeDownView = new UIImageView (new RectangleF (20, sH - 104, 26, 26));
            volumeDownView.Image = UIImage.FromFile ("volume_down-26.png");
            View.AddSubview (volumeDownView);

            var pickerView = new UIPickerView (new RectangleF (0, sH - 207, sW, 162)); // heigth must be 162, 180, 216
            pickerView.BackgroundColor = UIColor.FromRGB (52, 19, 0);
            pickerView.TintColor = UIColor.FromRGB (237, 152, 0);
            // not adding to the view yet because this is a multipurpose picker and the addition is done per the purpose with the btn delegate

            positionSld.SetThumbImage (UIImage.FromFile ("position.png"), UIControlState.Normal);
            positionSld.MinValue = 0f;

            // disable all the buttons I don't want enabled when not playing
            playPauseBtn.Enabled = false;
            positionSkipBtn.Enabled = false;
            stopBtn.Enabled = false;
            timerBtn.Enabled = false;
            pickerSetBtn.Hidden = true;
            pickerSetBtn.Enabled = false;
            pickerCnlBtn.Hidden = true;
            pickerCnlBtn.Enabled = false;
            pickerLbl.Hidden = true;

            if (resumeCheck == 1) {
                Console.WriteLine ("F: VDL RPA: " + resumePassAuthor);
                ResumeBook (resumePassTitle, resumePassAuthor);
            }

            _musicPlayer = new MPMusicPlayerController ();
            _mediaController = new MPMediaPickerController (MPMediaType.Music);
            _mediaController.AllowsPickingMultipleItems = false;
            _mpDelegate = new MediaPickerDelegate (this);
            _mediaController.Delegate = _mpDelegate;
            infoScreen = new InfoScreen ();

            addMusicBtn.TouchUpInside += delegate {
                this.PresentViewController(_mediaController, true, null);
            };

            infoBtn.TouchUpInside += delegate {
                this.PresentViewController(infoScreen, true, null);
            };

            positionSkipBtn.Clicked += delegate {
                pickerView.Model = new ThePickerViewModel(0);
                View.AddSubview(pickerView);
                pickerLbl.Text = "Skip To";
                pickerLbl.Hidden = false;
                pickerSetBtn.Enabled = true;
                pickerSetBtn.Hidden = false;
                pickerCnlBtn.Enabled = true;
                pickerCnlBtn.Hidden = false;
            };

            timerBtn.Clicked += (object sender, EventArgs e) => {
                pickerView.Model = new ThePickerViewModel(1);
                View.AddSubview(pickerView);
                pickerLbl.Text = "Sleep Timer";
                pickerLbl.Hidden = false;
                pickerSetBtn.Enabled = true;
                pickerSetBtn.Hidden = false;
                pickerCnlBtn.Enabled = true;
                pickerCnlBtn.Hidden = false;

            };
            pickerSetBtn.TouchUpInside += delegate {
                if (pickerLbl.Text == "Skip To"){
                    int hourValue = pickerView.SelectedRowInComponent(0);
                    int minValue = pickerView.SelectedRowInComponent(1);
                    int secValue = pickerView.SelectedRowInComponent(2);
                    double pickedTimeValue = ((hourValue * 3600) + (minValue * 60) + secValue);
                    int pickedTimeInt = Convert.ToInt32(pickedTimeValue);
                    _musicPlayer.CurrentPlaybackTime = pickedTimeValue;
                    string pickerTimeDisplay = string.Format("{0:#0}:{1:00}:{2:00}",pickedTimeInt/3600,(pickedTimeInt/60)%60,pickedTimeInt%60);
                    currentTimeLbl.Text = pickerTimeDisplay;
                    positionSld.SetValue( (float)(pickedTimeValue), true);

                    pickerView.RemoveFromSuperview();
                    pickerLbl.Hidden = true;
                    pickerSetBtn.Hidden = true;
//.........这里部分代码省略.........

		public override void ViewDidLoad ()
		{
			base.ViewDidLoad ();
			
			// Perform any additional setup after loading the view, typically from a nib.
			this.NavigationController.NavigationBarHidden = true;

			//UIPickerView--------------------------------------------------------------

			//model for data loading
			PickerModel model = new PickerModel(this.View);

			//picker
			UIPickerView picker = new UIPickerView();
			picker.Frame = new RectangleF(0,164,768,216);

			picker.ShowSelectionIndicator = true;
			picker.Model = model;

			//--------------------------------------------------------------------------

			//Setup the toolbar
			UIToolbar toolbar = new UIToolbar();
			toolbar.Frame = new RectangleF(0,380,768,44);
			toolbar.BarStyle = UIBarStyle.Black;
			toolbar.Translucent = true;
			toolbar.SizeToFit();

			
			//Create a 'done' button for the toolbar and add it to the toolbar
			UIBarButtonItem doneButton = 
				new UIBarButtonItem
					("Done",UIBarButtonItemStyle.Done,
					 (s,e) => 
					 {
						//do something after the values is selected
//						this.txtCurrentAltitude.ResignFirstResponder();
						picker.RemoveFromSuperview();
						toolbar.RemoveFromSuperview();
					}
					);

			UIBarButtonItem loadButton = 
				new UIBarButtonItem
					("Load",UIBarButtonItemStyle.Bordered,
					 (s,e) => 
					 {
						//do something after the values is selected
					}
					);

			toolbar.SetItems(new UIBarButtonItem[]{doneButton,loadButton},true);

	

			btnLoadPicker.TouchUpInside += (object sender, EventArgs e) => 
			{
				this.View.AddSubview(picker);
				this.View.AddSubview(toolbar);
			};
			//UIPickerView--------------------------------------------------------------

			//DialogView----------------------------------------------------------------
			FPLView.BackgroundColor = new UIColor(0.89f,0.78f,0.56f,1.00f);
			ListBoxDialog lbd = new ListBoxDialog();
			MTDView.AddSubview(lbd.View);

			btnFPLLoad.BackgroundColor = new UIColor(0.78f,0.65f,0.39f,1.00f);
			//COLOR ON PRESS
//			btnFPLLoad.TintColor = new UIColor(0.78f,0.65f,0.39f,1.00f);


			btnFPLCancel.BackgroundColor = new UIColor(0.78f,0.65f,0.39f,1.00f);

			btnFPLCancel.TouchUpInside += (object sender, EventArgs e) => 
			{
				FPLView.RemoveFromSuperview();
			};
			btnDialog.TouchUpInside += (object sender, EventArgs e) => 
			{
				this.View.AddSubview(FPLView);
			};

		}