//显示提示信息
UIWindow *view = [[[UIApplication sharedApplication] delegate] window];
NSArray *windows = [UIApplication sharedApplication].windows;
for (id windowView in windows) {
NSString *viewName = NSStringFromClass([windowView class]);
if ([@"UIRemoteKeyboardWindow" isEqualToString:viewName]) {
view = windowView;
break;
}
}
if (view.hud) {
return;
}
MBProgressHUD *hud = [MBProgressHUD showHUDAddedTo:view animated:YES];