iOS支持横竖屏

#import "AppDelegate.h"

 

@interface AppDelegate ()

 

@end

 

@implementation AppDelegate

 

- (UIInterfaceOrientationMask)application:(UIApplication *)application supportedInterfaceOrientationsForWindow:(UIWindow *)window

{

    if (_allowRotation == 1) {

        return UIInterfaceOrientationMaskAllButUpsideDown;

    }else{

        return (UIInterfaceOrientationMaskPortrait);

    }

}

 

// 支持设备自动旋转

- (BOOL)shouldAutorotate

{

    if (_allowRotation == 1) {

        return YES;

    }

    return NO;

}

/**

 

iOS如何指定某个页面可以旋转屏幕，其余控制器都正常竖屏？

 

 

 

在你要旋转的controller中一开始的地方写这两句就可以了

**/

 

- (void)setupView{

    

    AppDelegate  *appDelegate = (AppDelegate *)[UIApplication sharedApplication].delegate;

    

    appDelegate.allowRotation = 1;

    

}

 

 

- (void)viewWillDisappear:(BOOL)animated{

    [super viewWillDisappear:animated];

    

    AppDelegate  *appDelegate = (AppDelegate *)[UIApplication sharedApplication].delegate;

    

    appDelegate.allowRotation = 0;

    

}