151130ios判断是直机还是模拟器

#if TARGET_IPHONE_SIMULATOR//模拟器

UIAlertView *alert = [[UIAlertView
alloc] initWithTitle:nil

message:@"请在真机上进行此操作！"

delegate:self

cancelButtonTitle:LocalStr(@"CommonTitleCancel")

otherButtonTitles:nil,
nil];

[alert show];

#elif TARGET_OS_IPHONE//真机

imagePickerController.sourceType = UIImagePickerControllerSourceTypeCamera;

[self presentViewController:imagePickerController animated:NO completion:nil];

#endif