找到主窗口
2015-11-01 16:08
176 查看
1>
UIWindow *window = [UIApplication sharedApplication].keyWindow;
window.rootViewController = VC;
2>
[[[UIApplication sharedApplication] delegate] window].rootViewController = VC;
UIWindow *window = [UIApplication sharedApplication].keyWindow;
window.rootViewController = VC;
2>
[[[UIApplication sharedApplication] delegate] window].rootViewController = VC;