ios强制横屏

原文链接 https://www.jianshu.com/p/d6cb54d2eaa1 亲测第二种我这边是阔以滴 第一种解决方案（不推荐，直接跳过看第二种解决方案）： //强制转屏 - (void)interfaceOrientation:(UIInterfaceOrientation)orientation { 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 = orientation; // 从2开始是因为0 1 两个参数已经被selector和target占用 [invocation setArgument:&val