ScrollViewSuite

A series of examples that illustrate how to use UIScrollView.

1_TapToZoom demonstrates:

* Fitting the image to the screen on launch

* Detecting single, double, and two-finger taps using UIGestureRecognizers

* Zooming in response to taps

2_Autoscroll adds a thumbnail scroll view, and demonstrates:

* Use of the canCancelContentTouches property to track moving touches in a subview of a scroll view

* How to implement autoscrolling in response to a subview being dragged

3_Tiling demonstrates:

* How to subclass UIScrollView to add content tiling

* Reusing tiles to optimize performance and memory use

* Changing the resolution of the content in response to zooming

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