コード例 #1
0
        private void TouchMeImageViewOnTouch(object sender, View.TouchEventArgs touchEventArgs)
        {
            ShapeImage imageView = sender as ShapeImage;

            switch (touchEventArgs.Event.Action)
            {
            case MotionEventActions.Down:
                // Store Current location to global variables
                ShapeMoveX = touchEventArgs.Event.GetX();
                ShapeMoveY = touchEventArgs.Event.GetY();

                imageView.BuildDrawingCache(true);
                Bitmap bitMap = imageView.GetDrawingCache(true);

                ColorPattern FillColors = ColorHandler.FetchColor();

                //Get Canvas
                Canvas canvas = new Canvas(bitMap);
                Paint  paint  = new Paint();
                paint.SetARGB(255, FillColors.R, FillColors.G, FillColors.B);
                //Check Image Type and Change colors
                if (imageView.Shape.GetType() == typeof(Circle))
                {
                    Circle cr = (Circle)imageView.Shape;
                    canvas.DrawCircle(cr.X, cr.Y, cr.Radius, paint);
                }
                else
                {
                    Rectangle Rect = (Rectangle)imageView.Shape;
                    canvas.DrawPaint(paint);
                    canvas.DrawRect(0, 0, Rect.Height, Rect.Width, paint);
                }
                imageView.SetImageBitmap(bitMap);

                break;

            case MotionEventActions.Move:
                //Move Imageview to new location
                ObjectAnimator animX     = ObjectAnimator.OfFloat(imageView, "x", touchEventArgs.Event.RawX + 50);
                ObjectAnimator animY     = ObjectAnimator.OfFloat(imageView, "y", touchEventArgs.Event.RawY + 50);
                AnimatorSet    animSetXY = new AnimatorSet();
                animSetXY.PlayTogether(animX, animY);
                animSetXY.Start();
                break;
            }
        }
コード例 #2
0
        //To Handle OnTouch Event of Main Layout
        public bool OnTouch(View v, MotionEvent e)
        {
            //Get Main Layout Object
            RelativeLayout mainLayout = FindViewById <RelativeLayout> (Resource.Id.maincontainer);

            switch (e.Action)
            {
            case MotionEventActions.Down:

                //Cretae new Extended Image View
                ShapeImage imageView = new ShapeImage(this);

                //Create Bitmap and canvas to Fill Image
                Bitmap bitMap = Bitmap.CreateBitmap(150, 150, Bitmap.Config.Argb8888);
                Canvas canvas = new Canvas(bitMap);
                Paint  paint  = new Paint();

                // Fetch the colors
                // This will handle colors from Web API if internet connection available
                ColorPattern FillColors = ColorHandler.FetchColor();

                //Piant from Generated colors
                paint.SetARGB(255, FillColors.R, FillColors.G, FillColors.B);

                //To Generate Random Numbers
                Random randonNum = new Random();

                //To Handle Circle or Square in Random
                if (randonNum.Next(0, 2) == 0)
                {
                    //Drow Cicrle
                    Circle circleView = new Circle();
                    float  size       = randonNum.Next(10, 75);;
                    //Fix Circle Size
                    circleView.X      = size;
                    circleView.Y      = size;
                    circleView.Radius = size;
                    canvas.DrawCircle(circleView.X, circleView.Y, circleView.Radius, paint);
                    //Tag Imageview as Circle
                    imageView.Shape = circleView;
                }
                else
                {
                    //Drow Square
                    Rectangle rect = new Rectangle();

                    float size = randonNum.Next(10, 100);
                    rect.Height = size;
                    rect.Width  = size;
                    canvas.DrawRect(0, 0, rect.Height, rect.Width, paint);

                    //Tag Image as Rectangle
                    imageView.Shape = rect;
                }


                //Fill Image
                imageView.SetImageBitmap(bitMap);

                //Adjust Image position
                imageView.SetX(e.GetX() - 50);
                imageView.SetY(e.GetY() - 50);

                //To Handle Touch event on Dynamically created Image view
                imageView.Touch += TouchMeImageViewOnTouch;

                //Finally, Add Image view to Current Layout
                mainLayout.AddView(imageView);

                break;

            case MotionEventActions.Move:

                break;
            }
            return(true);
        }