步骤一、注册通知
1: [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(statusBarOrientationChange:) name:UIApplicationDidChangeStatusBarOrientationNotification object:nil];
步骤二、判断方向
1: - (void)statusBarOrientationChange:(NSNotification *)notification
2:
3: {
4:
5: UIInterfaceOrientation orientation = [[UIApplication sharedApplication] statusBarOrientation];
6:
7: if (orientation == UIInterfaceOrientationLandscapeRight) // home键靠右
8:
9: {
10:
11: //
12:
13: }
14:
15: if (
16:
17: orientation ==UIInterfaceOrientationLandscapeLeft) // home键靠左
18:
19: {
20:
21: //
22:
23: }
24:
25: if (orientation == UIInterfaceOrientationPortrait)
26:
27: {
28:
29: //
30:
31: }
32:
参考来源：http://www.2cto.com/kf/201410/345818.html