Iphone和iPad适配, 横竖屏
2024-10-19 02:00:02
竖屏情况下: [UIScreen mainScreen].bounds.size.width = 320
[UIScreen mainScreen].bounds.size.width = 568
横屏情况下:
[UIScreen mainScreen].bounds.size.width = 568
[UIScreen mainScreen].bounds.size.height = 320
UIViewController 和 UIWindow同理
1. storyboard iphone和 iPad版
即为iphone和ipad分别创建xib/storyboard文件
Main_iPhone.storyboard
Main_iPad.storyboard
横竖屏
苹果官方文档:
When the user changes the device orientation, the system calls this method on the root view controller or the topmost presented view controller that fills the window. If the view controller supports the new orientation, the window and view controller are rotated to the new orientation. This method is only called if the view controller's shouldAutorotate method returns YES.
- (BOOL)shouldAutorotate
{
return YES;
}
- (NSUInteger)supportedInterfaceOrientations
{
return UIInterfaceOrientationMaskAll;
}
注意要写在最顶层视图控制器, (self.window.rootViewController) , 否则不会进入以上方法
而且
supportedInterfaceOrientations的返回值必须是
UIInterfaceOrientationMaskLandscapeLeft 或者 UIInterfaceOrientationMaskLandscapeRight 或者...
总之必须加Mask
通知是当前线程异步
tabbarcontroller 为 根控制器的情况
- (BOOL)shouldAutorotate
{
return [self.selectedViewController shouldAutorotate];
} - (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation
{
return [self.selectedViewController preferredInterfaceOrientationForPresentation];
} - (NSUInteger)supportedInterfaceOrientations
{
return [self.selectedViewController supportedInterfaceOrientations];
}
navigationcontroller为根控制器的情况:
- (BOOL)shouldAutorotate
{
return [self.viewControllers.lastObject shouldAutorotate];
} - (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation
{
return [self.viewControllers.lastObject preferredInterfaceOrientationForPresentation];
} - (NSUInteger)supportedInterfaceOrientations
{
return [self.viewControllers.lastObject supportedInterfaceOrientations];
}
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