// 能否自動旋轉
-(BOOL)shouldAutorotate{
return NO;
}
// 支持的屏幕方向
-(UIInterfaceOrientationMask)supportedInterfaceOrientations{
return UIInterfaceOrientationMaskPortrait;
}
// 默認的屏幕方向
-(UIInterfaceOrientation)preferredInterfaceOrientationForPresentation{
return UIInterfaceOrientationPortrait;
}
// 強制屏幕旋轉
- (void)setLandscape:(UIDeviceOrientation)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]];
[invocation setArgument:&orientation atIndex:2];
[invocation invoke];
}
}