宽容他人，放过自己。

强制横竖屏

Posted on Mar 30, 2016 By anchoriteFili

if ([[UIDevice currentDevice] respondsToSelector:@selector(setOrientation:)]) {
        
        if (WIDTH > HEIGHT) {
            NSLog(@"横屏");
            
#pragma mark 强制横屏方式
            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];
            
        } else if (HEIGHT > WIDTH) {
            NSLog(@"竖屏");
            
#pragma mark 强制横屏方式
            SEL selector = NSSelectorFromString(@"setOrientation:");
            NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:[UIDevice instanceMethodSignatureForSelector:selector]];
            [invocation setSelector:selector];
            [invocation setTarget:[UIDevice currentDevice]];
            int val = UIInterfaceOrientationLandscapeRight;
            [invocation setArgument:&val atIndex:2];
            [invocation invoke];
        }
    }