0x00
*** Terminating app due to uncaught exception 'UIApplicationInvalidInterfaceOrientation', reason: 'preferredInterfaceOrientationForPresentation 'landscapeLeft' must match a supported interface orientation: 'portrait, landscapeRight'!'
0x01
所支持的方向是一个集合
当前设备方向
应该是集合中的一个值
/// 当前方向
- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation
{
if (hengping) {
return UIInterfaceOrientationLandscapeRight;
}else{
return UIInterfaceOrientationPortrait;
}
}
/// 所支持的方向
- (UIInterfaceOrientationMask)supportedInterfaceOrientations
{
return UIInterfaceOrientationMaskPortrait | UIInterfaceOrientationMaskLandscapeRight;
}
画线，画虚线，画五角星，画矩形，画虚线矩形，渐变色
https://github.com/xjh093/JHDraw
