- (void)viewDidLoad

{

    [super viewDidLoad];

    UITapGestureRecognizer *gesture=[[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(CloseKeyBoard:)];

    [self.view addGestureRecognizer:gesture];

}

-(void)CloseKeyBoard:(UITapGestureRecognizer *)gesture{

    for (id  object in self.view.subviews) {

        if ([object isKindOfClass:[UITextField class]]) {

            UITextField *textfield=object;

            if ([textfield isFirstResponder]) {

                  [textfield resignFirstResponder];

            }

        }

    }

  //[self.view endEditing:YES];

}

关于iOS 点击空白处关闭键盘（手势）