C# UIImageView.Add方法代码示例

        public override void LoadView ()
        {
            View = new UIImageView () {
                UserInteractionEnabled = true,
            } .Apply (Style.Welcome.Background);
            View.Add (logoImageView = new UIImageView ().Apply (Style.Welcome.Logo));
            View.Add (sloganLabel = new UILabel () {
                Text = "WelcomeSlogan".Tr (),
            } .Apply (Style.Welcome.Slogan));
            View.Add (createButton = new UIButton ().Apply (Style.Welcome.CreateAccount));
            View.Add (passwordButton = new UIButton ().Apply (Style.Welcome.PasswordLogin));
            View.Add (googleButton = new UIButton ().Apply (Style.Welcome.GoogleLogin));

            createButton.SetTitle ("WelcomeCreate".Tr (), UIControlState.Normal);
            passwordButton.SetTitle ("WelcomePassword".Tr (), UIControlState.Normal);
            googleButton.SetTitle ("WelcomeGoogle".Tr (), UIControlState.Normal);

            createButton.TouchUpInside += OnCreateButtonTouchUpInside;
            passwordButton.TouchUpInside += OnPasswordButtonTouchUpInside;
            googleButton.TouchUpInside += OnGoogleButtonTouchUpInside;

            View.AddConstraints (
                logoImageView.AtTopOf (View, 70f),
                logoImageView.WithSameCenterX (View),

                sloganLabel.Below (logoImageView, 18f),
                sloganLabel.AtLeftOf (View, 25f),
                sloganLabel.AtRightOf (View, 25f),

                googleButton.AtBottomOf (View, 20f),
                googleButton.AtLeftOf (View),
                googleButton.AtRightOf (View),
                googleButton.Height ().EqualTo (60f),

                passwordButton.Above (googleButton, 25f),
                passwordButton.AtLeftOf (View),
                passwordButton.AtRightOf (View),
                passwordButton.Height ().EqualTo (60f),

                createButton.Above (passwordButton, 5f),
                createButton.AtLeftOf (View),
                createButton.AtRightOf (View),
                createButton.Height ().EqualTo (60f)
            );

            View.SubviewsDoNotTranslateAutoresizingMaskIntoConstraints ();
        }

        private void InitWheel()
        {
            var sectionNumber = _settings.Slices.Count;
            _container = new UIView(Frame);
            _slices = new List<WheelSlice>(sectionNumber);

            var angleSize = (float)(2 * Math.PI / sectionNumber);
            for (int i = 0; i < sectionNumber; i++)
            {
                var imageView = new UIImageView(_settings.SegmentImage);
                imageView.Layer.AnchorPoint = new PointF(1.0f, 0.5f);
                var slicePosX = (float)(_container.Bounds.Size.Width / (2.0 - _container.Frame.X));
                var slicePosY = (float)(_container.Bounds.Size.Height / 2.0 - _container.Frame.Y);
                imageView.Layer.Position = new PointF(slicePosX, slicePosY);
                imageView.Transform = CGAffineTransform.MakeRotation(angleSize * i);
                imageView.Alpha = _minAlphaValue;
                imageView.Tag = i;

                if (i == 0)
                {
                    imageView.Alpha = _maxAlphaValue;
                }
                var sliceImageView = new UIImageView(new RectangleF(12, 15, 40, 40));
                var sliceImage = _settings.Slices[i].Image;
                sliceImageView.Image = sliceImage;
                imageView.Add(sliceImageView);
                _container.Add(imageView);
            }

            _container.UserInteractionEnabled = false;
            Add(_container);

            var backgroundView = new UIImageView(Frame) { Image = _settings.BackgroundImage };
            Add(backgroundView);

            var mask = new UIImageView(new RectangleF(0, 0, 58, 58))
                {
                    Image = _settings.CenterButtonImage,
                    Center = Center
                };
            mask.Center = new PointF(mask.Center.X, mask.Center.Y + 3);
            Add(mask);

            if (sectionNumber % 2 == 0)
            {
                BuildSlicesEvenly();
            }
            else
            {
                BuildSlicesUnEvenly();
            }
            //SliceDidChanged(this, new SliceDidChangedEventArgs { Value = _settings.Slices[0].Value });
        }

		public override UIView GetViewForHeader (UITableView tableView, nint section)
		{
			var sectionTitleLabel = new UILabel (new CGRect (10, 3, 300, 22));
			sectionTitleLabel.Text = "Resistence Workouts";
			sectionTitleLabel.BackgroundColor = UIColor.Clear;
			sectionTitleLabel.TextColor = UIColor.FromRGBA (0.43f, 0.43f, 0.43f, 1);
			sectionTitleLabel.Font = UIFont.FromName ("HelveticaNeue", 15);

			var backgroundView = new UIImageView (FitpulseTheme.SharedTheme.TableSectionHeaderBackground);
			backgroundView.Add (sectionTitleLabel);

			return backgroundView;
		}

        public override UIView GetViewForHeader(UITableView tableView, int section)
        {
            var title = tweets.ElementAt(section).Key;
              var bg = new UIView(new RectangleF(0,0,320,40));
              bg.BackgroundColor  =  UIColor.Clear;
              //var bg2 = new UIView(new Rectangle(0,0,320,30));
              //bg2.BackgroundColor = UIColor.FromRGBA(108/255f,195/255f,22/255f,0.6f);
              var bg2 = new UIImageView(new Rectangle(0,0,320,30));
              bg2.Image = UIImage.FromBundle("tweet_Header");

              var lbl_Header             = new UILabel(new RectangleF(10, 0, 300, 30));
              lbl_Header.Text            = title;
              lbl_Header.TextAlignment   = UITextAlignment.Left;
              lbl_Header.BackgroundColor = UIColor.Clear;
              lbl_Header.TextColor       = UIColor.White;
              lbl_Header.Font            = App.FontForTweetHeader;

              bg2.Add(lbl_Header);
              bg.Add(bg2);
              return bg;
        }

        private static UIView GetTimePicker(float viewWidth, float viewHeight)
        {
            year = DateTime.Now.Year;
            month = DateTime.Now.Month;
            day = DateTime.Now.Day;

            UIView view = new UIView(new RectangleF((viewWidth - TIMEWIDTH) / 2, (viewHeight - BUTTONHEIGHT - TIMEHEIGHT) / 2, TIMEWIDTH, TIMEHEIGHT));
            view.BackgroundColor = UIColor.Clear;

            UIImageView imageView = new UIImageView(new RectangleF(0, 0, TIMEWIDTH, TIMEHEIGHT));
            imageView.Image = TIMEBACKIMAGE;

            UIButton yearIncrease = new UIButton(new RectangleF(0, 0, TIMEITEMFRISTWIDTH, TIMEBUTTONHEIGHT));
            yearIncrease.BackgroundColor = UIColor.Clear;
            UIButton yeatText = new UIButton(new RectangleF(0, TIMEBUTTONHEIGHT, TIMEITEMFRISTWIDTH, TIMETEXTHEIGHT));
            yeatText.BackgroundColor = UIColor.Clear;
            yeatText.SetTitle(year.ToString(), UIControlState.Normal);
            yeatText.Font = UIFont.FromName(FONTFAMILY, 20);
            UIButton yearReduced = new UIButton(new RectangleF(0, TIMEBUTTONHEIGHT + TIMETEXTHEIGHT, TIMEITEMFRISTWIDTH, TIMEBUTTONHEIGHT));
            yearReduced.BackgroundColor = UIColor.Clear;

            UIButton monthIncrease = new UIButton(new RectangleF(TIMEITEMFRISTWIDTH, 0, TIMETIEMOTHERWIDTH, TIMEBUTTONHEIGHT));
            monthIncrease.BackgroundColor = UIColor.Clear;
            UIButton monthText = new UIButton(new RectangleF(TIMEITEMFRISTWIDTH, TIMEBUTTONHEIGHT, TIMETIEMOTHERWIDTH, TIMETEXTHEIGHT));
            monthText.BackgroundColor = UIColor.Clear;
            monthText.SetTitle(month.ToString(), UIControlState.Normal);
            monthText.Font = UIFont.FromName(FONTFAMILY, 20);
            UIButton monthReduced = new UIButton(new RectangleF(TIMEITEMFRISTWIDTH, TIMEBUTTONHEIGHT + TIMETEXTHEIGHT, TIMETIEMOTHERWIDTH, TIMEBUTTONHEIGHT));
            monthReduced.BackgroundColor = UIColor.Clear;

            UIButton dayIncrease = new UIButton(new RectangleF(TIMEITEMFRISTWIDTH + TIMETIEMOTHERWIDTH, 0, TIMETIEMOTHERWIDTH, TIMEBUTTONHEIGHT));
            dayIncrease.BackgroundColor = UIColor.Clear;
            UIButton dayText = new UIButton(new RectangleF(TIMEITEMFRISTWIDTH + TIMETIEMOTHERWIDTH, TIMEBUTTONHEIGHT, TIMETIEMOTHERWIDTH, TIMETEXTHEIGHT));
            dayText.BackgroundColor = UIColor.Clear;
            dayText.SetTitle(day.ToString(), UIControlState.Normal);
            dayText.Font = UIFont.FromName(FONTFAMILY, 20);
            UIButton dayReduced = new UIButton(new RectangleF(TIMEITEMFRISTWIDTH + TIMETIEMOTHERWIDTH, TIMEBUTTONHEIGHT + TIMETEXTHEIGHT, TIMETIEMOTHERWIDTH, TIMEBUTTONHEIGHT));
            dayReduced.BackgroundColor = UIColor.Clear;

            imageView.Add(yearIncrease);
            imageView.Add(yearReduced);
            imageView.Add(yeatText);
            imageView.Add(monthIncrease);
            imageView.Add(monthReduced);
            imageView.Add(monthText);
            imageView.Add(dayIncrease);
            imageView.Add(dayReduced);
            imageView.Add(dayText);

            view.Add(imageView);
            return view;
        }