#import "UINavigationController+InterfaceOrientation.h"
@implementation UINavigationController (InterfaceOrientation)
/*
*? 模態(tài)方式跳轉(zhuǎn)到到nav的控制器，要加入這個分類
*
*/
- (BOOL)shouldAutorotate {
if ([self.topViewController respondsToSelector:@selector(shouldAutorotate)]) {
return [self.topViewController shouldAutorotate];
}
return NO;
}
- (UIInterfaceOrientationMask)supportedInterfaceOrientations {
if ([self.topViewController respondsToSelector:@selector(supportedInterfaceOrientations)]) {
return [self.topViewController supportedInterfaceOrientations];
}
return [super supportedInterfaceOrientations];
}
- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation {
if ([self.topViewController respondsToSelector:@selector(preferredInterfaceOrientationForPresentation)]) {
return [self.topViewController preferredInterfaceOrientationForPresentation];
}
return [super preferredInterfaceOrientationForPresentation];
}
@end
/*
* 模態(tài)方式跳轉(zhuǎn)
*? 控制器調(diào)用
*
- (BOOL)shouldAutorotate {
return YES;
}
- (UIInterfaceOrientationMask)supportedInterfaceOrientations {
return UIInterfaceOrientationMaskLandscapeRight;
}
- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation {
return UIInterfaceOrientationLandscapeRight;
}
*
*/
/*
*? push方式跳轉(zhuǎn)
*
- (void)viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
if([[UIDevice currentDevice]respondsToSelector:@selector(setOrientation:)]) {
SEL selector = NSSelectorFromString(@"setOrientation:");
NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:[UIDevice instanceMethodSignatureForSelector:selector]];
[invocation setSelector:selector];
[invocation setTarget:[UIDevice currentDevice]];
int val = UIInterfaceOrientationLandscapeRight;//橫屏
[invocation setArgument:&val atIndex:2];
[invocation invoke];
}
}
- (void)viewWillDisappear:(BOOL)animated {
[super viewWillDisappear:animated];
if([[UIDevice currentDevice]respondsToSelector:@selector(setOrientation:)]) {
SEL selector = NSSelectorFromString(@"setOrientation:");
NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:[UIDevice instanceMethodSignatureForSelector:selector]];
[invocation setSelector:selector];
[invocation setTarget:[UIDevice currentDevice]];
int val = UIInterfaceOrientationPortrait;
[invocation setArgument:&val atIndex:2];
[invocation invoke];
}
}
*
*/
