C# UILabel.GetHeight4Text方法代码示例

		public override void ViewDidLoad ()
		{
			base.ViewDidLoad ();
			
			float textWidth;
			float titleHeight;
			float dateHeight;
			float descriptionHeight;
			float centerX;
			float y;
			
			this.View.Frame = new RectangleF (0, 0, 320, 420);
			this.View.BackgroundColor = Resources.Colors.Background;
			
			string imagePath = History.ImageUrl;
			
			textWidth = this.View.Bounds.Width - 2 * TextLeftStart;
			centerX = this.View.Center.X;
			
			var lblTitle = new UILabel ();
			lblTitle.Lines = 0;
			lblTitle.TextColor = UIColor.FromRGB (218, 188, 0);
			lblTitle.Font = titleFont;
			lblTitle.Text = History.Title;
			titleHeight = lblTitle.GetHeight4Text (textWidth);
			y = YStart;
			lblTitle.Frame = new RectangleF (TextLeftStart, y, textWidth, titleHeight);
			lblTitle.TextAlignment = UITextAlignment.Center;
			
			var lblDate = new UILabel ();
			lblDate.Lines = 0;
			lblDate.TextColor = UIColor.White;
			lblDate.Font = dateFont;
			lblDate.Text = History.Date;
			dateHeight = lblDate.GetHeight4Text (textWidth);
			y += TextYOffset + titleHeight;
			lblDate.Frame = new RectangleF (TextLeftStart, y, textWidth, dateHeight);
			lblDate.TextAlignment = UITextAlignment.Center;
			
			
			var lblDescription = new UILabel ();
			lblDescription.Lines = 0;
			lblDescription.TextColor = UIColor.White;
			lblDescription.Font = descrFont;
			lblDescription.Text = History.Description;
			descriptionHeight = lblDescription.GetHeight4Text (textWidth);
			
			var imageView = new UIImageView ();
			y += 2 * TextYOffset + dateHeight;
			
			float maxImageHeight = this.View.Bounds.Height - descriptionHeight - y - 40;
			
			var img = UIImage.FromFile (imagePath);
			
			var resizer = new ImageResizer (img);
			resizer.RatioResize (MaxPicWidht, maxImageHeight);
			var modImage = resizer.ModifiedImage;
			
			var imgX = centerX - modImage.Size.Width / 2;
			
			imageView.Frame = new RectangleF (imgX, y, modImage.Size.Width, modImage.Size.Height);
			//imageView.Image = modImage;
			imageView.Image = img;
			
			y += 2 * TextYOffset + imageView.Bounds.Height;
			lblDescription.Frame = new RectangleF (TextLeftStart, y, textWidth, descriptionHeight);
			lblDescription.TextAlignment = UITextAlignment.Center;
			
			this.View.AddSubview (imageView);
			this.View.AddSubview (lblTitle);
			this.View.AddSubview (lblDate);
			this.View.AddSubview (lblDescription);
			this.View.SetLabelsBGColor (UIColor.Clear);
		}

			private UIView GetSectionView (string text, bool isHeader)
			{
				if (string.IsNullOrEmpty (text))
					return null;
				
				float viewHeight = 0f;
				float labelHeight = 0f;
				
				UIView view = new UIView ();
				UILabel label = new UILabel ();
				
				if (isHeader) {
					label.Font  = fontHeader;
					label.TextAlignment = UITextAlignment.Left;
					label.ShadowColor = UIColor.Black;
					label.ShadowOffset = new SizeF (0, 1f);
					viewHeight = HEADER_PADDING;
				} else {
					label.Font  = fontFooter;
					label.TextAlignment = UITextAlignment.Center;
					label.AutoresizingMask = UIViewAutoresizing.FlexibleMargins;
				}
				
				label.Text = text;
				labelHeight = label.GetHeight4Text (300);
				
				viewHeight += labelHeight;
				view.Frame = new RectangleF (0f, 0f, 300f, viewHeight);
				view.AutoresizingMask = UIViewAutoresizing.FlexibleMargins;
				
				label.Frame = isHeader ? new RectangleF (12f, viewHeight - labelHeight - 5, 300f, labelHeight) : new RectangleF (10f, 0, 300f, labelHeight);
				label.Lines = 0;
				label.BackgroundColor = UIColor.Clear;
				label.Opaque = false;
				label.TextColor = UIColor.White;
				
				view.AddSubview (label);
				return view;
			}

		private UIView GetHeaderView ()
		{
			float paddingLeft = 10f;
			float paddingBottom = 10f;
			float textHeight = 0;
			float y = 3;
			float textWidth = this.Frame.Width - paddingLeft * 2;
			
			var lblCounter = new UILabel (){
				TextColor = Resources.Colors.Background,
				Font = pointFont,
				BackgroundColor = UIColor.Clear,
				Text = Locale.Format ("Frage {0} von {1}", CurrentQuestionNumber, TotalQuestionCount),
			};
			textHeight = lblCounter.GetHeight4Text (textWidth);
			lblCounter.Frame = new RectangleF (paddingLeft, y, textWidth, textHeight);
			
			
			y += textHeight;
			var lblPunkten = new UILabel (){
				TextColor = Resources.Colors.Background,
				BackgroundColor = UIColor.Clear,
				Font = pointFont,
				Text = Locale.Format ("{0} von {1} Punkten erreicht", CurrentPoints, TotalPoints)
			};
			textHeight = lblPunkten.GetHeight4Text (textWidth);
			lblPunkten.Frame = new RectangleF (paddingLeft, y, textWidth, textHeight);
			y += textHeight;
			
			var topView = new UIView ();
			topView.BackgroundColor = UIColor.FromRGB (219, 219, 219);
			topView.Frame = new RectangleF (0, 0, this.Frame.Width, y + 5);
			
			y += 5;
			/*
			var lblFrage = new UILabel (){
				AutoresizingMask = UIViewAutoresizing.FlexibleWidth,
				TextColor = Resources.Colors.Button,
				BackgroundColor = UIColor.Clear,
				Font = quizFont,
				Text = CurrentQuestion.Text,
				LineBreakMode = UILineBreakMode.WordWrap,
				Lines = 0,
			};
			textHeight = lblFrage.GetHeight4Text (textWidth);
			lblFrage.Frame = new RectangleF (paddingLeft, y, textWidth, textHeight);
			*/
			var txtFrage = new UITextView (){
				AutoresizingMask = UIViewAutoresizing.FlexibleWidth,
				TextColor = Resources.Colors.Button,
				BackgroundColor = UIColor.Clear,
				Font = Util.IsPhone5() ? UIFont.BoldSystemFontOfSize (quizSize) : UIFont.BoldSystemFontOfSize (quizSize - 2),
				Text = CurrentQuestion.Text,
				UserInteractionEnabled = true,
				Editable= false,
				ShowsVerticalScrollIndicator = false,
				ScrollsToTop = true
			};
		

			textHeight = Util.IsPhone5() ? 150 : 95;
			txtFrage.Frame = new RectangleF (paddingLeft-5, y, textWidth + 5, textHeight);
			
			y += textHeight;
			var view = new UIView (){
			//AutoresizingMask = UIViewAutoresizing.FlexibleDimensions | UIViewAutoresizing.FlexibleMargins,
				BackgroundColor = UIColor.Clear,
				Frame = new RectangleF (0, 0, this.Frame.Width, y),
			};
			
			topView.AddSubview (lblCounter);
			topView.AddSubview (lblPunkten);
			
			view.AddSubview (topView);
			view.AddSubview (txtFrage);
			//view.AddSubview (lblFrage);
			return view;
		}