removeFromParentViewController crash
addChildViewController
childViewController.view.frame = CGRectMake(0, 100, 320, 300); [self addChildViewController:childViewController]; [self.view addSubview:childViewController.view];
removeFromParentViewController
[self.view removeFromSuperview];
[self removeFromParentViewController];
注意:在remove的时候,先要remove view,然后remove controller。否则会crash掉。