private void Draw()
        {
            if (Holder.IsCreating || _destroyed)
            {
                return;
            }

            Canvas canvas = null;

            try
            {
                canvas = Holder.LockCanvas();
                var density    = Resources.DisplayMetrics.Density;
                var canvasSize = new UGSize(Width / density, Height / density);
                using (var ugContext = new UGContext(canvas, canvasSize, density))
                {
                    canvas.Scale(density, density);
                    DrawOverride(ugContext);
                }
            }
            finally
            {
                if (canvas != null)
                {
                    Holder.UnlockCanvasAndPost(canvas);
                }
            }
        }
示例#2
0
        protected sealed override void OnDraw(Canvas canvas)
        {
            base.OnDraw(canvas);

            var density    = Resources.DisplayMetrics.Density;
            var canvasSize = new UGSize(Width / density, Height / density);

            using (var ugContext = new UGContext(canvas, canvasSize, density))
            {
                canvas.Scale(density, density);
                DrawOverride(ugContext);
            }
        }