iphone开发案例，模态动画切换。实现了Modal 功能。iphone开发所需代码-iphone development case, the animation mode switch. Modal functions implemented. develop the required code iphone

KN半模态视图的iOS，精选ios编程学习源码，很好的参考资料。-KN semi modal view iOS, select learning IOS programming source code, a good reference.

组合使用导航模式，其中用到模态视图，有些地方采用平铺导航模式。(The combination uses the navigation mode, which uses modal views, and some places use a paved navigation mode.)