TouchGirl橡皮擦效果代码例子——手指划过屏幕时会“擦”掉上层图片。实际上是准备了两个 UIImageView，手指划过时显示下方的 UIImageView。-TouchGirl eraser effect of the code example- a finger across the screen will "wipe" off the top picture. Actually prepared two UIImageView, displayed when a finger acr

iPhone平台上开发的应用程序，在屏幕上绘制直线，实现直线随手指一动等，可用于股票等应用的制作-iPhone platform development of applications that draw a straight line on the screen to achieve a straight line with the finger movement and so on, can be used for applications such as the production of

利用控制序列帧来实现播放动画，可以通过手指触摸来切换，也可以点击按钮让他自动切换。-Achieved by the control sequence frame animation playback, you can switch through the touch of a finger, you can click the button to let him switch automatically.