直播电商平台开发，横竖屏切换的方法
//旋转方向
- (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;
[invocation setArgument:&val atIndex:2];
[invocation invoke];
}
if (orientation == UIInterfaceOrientationLandscapeRight||orientation == UIInterfaceOrientationLandscapeLeft) {
// 设置横屏
} else if (orientation == UIInterfaceOrientationPortrait) {
// 设置竖屏
}else if (orientation == UIInterfaceOrientationPortraitUpsideDown){
//
}
}
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标签：orientation,横竖,selector,直播,UIDevice,invocation,电商 From： https://www.cnblogs.com/yunbaomengnan/p/17346404.html