typedef NS_ENUM(NSInteger, VFOrientation) {
VFOrientationPortrait = 1,
VFOrientationLandscape = -1,
};
// 處理裝置旋轉
- (void)viewWillTransitionToSize:(CGSize)size
withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator{
NSLog(@"T ^ T");
if ([self isPortraitOrLandscape:size] == VFOrientationPortrait) {
// do something
}
if ([self isPortraitOrLandscape:size] == VFOrientationLandscape) {
// do something
}
}
- (VFOrientation) isPortraitOrLandscape:(CGSize)size {
return (size.width > size.height ? VFOrientationLandscape :
VFOrientationPortrait);
}
複製程式碼- (void) addDeviceRotateObserver {
[[UIDevice currentDevice] beginGeneratingDeviceOrientationNotifications];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(rotateViews:)
name:UIDeviceOrientationDidChangeNotification
object:nil];
}
- (void) rotateViews:(NSObject *)sender {
UIDevice* device = [sender valueForKey:@"object"];
NSLog(@"%d",device.orientation);
// switch (device.orientation) {
// case UIDeviceOrientationPortrait: {
// NSLog(@"P");
// break;
// }
// case UIDeviceOrientationLandscapeLeft: {
// NSLog(@"LL");
// break;
// }
// case UIDeviceOrientationLandscapeRight: {
// NSLog(@"LR");
// break;
// }
// default:
// break;
// }
switch (device.orientation) {
case UIDeviceOrientationUnknown: {
// do something
break;
}
case UIDeviceOrientationPortrait: {
// do something
break;
}
case UIDeviceOrientationPortraitUpsideDown: {
// do something
break;
}
case UIDeviceOrientationLandscapeLeft: {
// do something
break;
}
case UIDeviceOrientationLandscapeRight: {
// do something
break;
}
case UIDeviceOrientationFaceUp: {
// do something
break;
}
case UIDeviceOrientationFaceDown: {
// do something
break;
}
}
}
- (void) removeDeviceRotateObserver {
[[NSNotificationCenter defaultCenter] removeObserver:self
name:UIDeviceOrientationDidChangeNotification
object:nil];
[[UIDevice currentDevice] endGeneratingDeviceOrientationNotifications];
}
- (void)dealloc {
[self removeDeviceRotateObserver];
}
複製程式碼http://blog.csdn.net/jpcfei/article/details/8995531