点击非输入框时隐藏键盘

- (BOOL)textFieldShouldBeginEditing:(UITextField*)textField

{

    UITapGestureRecognizer*tapGestureRecognizer = [[UITapGestureRecognizeralloc]initWithTarget:selfaction:@selector(done:)];

    tapGestureRecognizer.numberOfTapsRequired= 1;

    [self.viewaddGestureRecognizer:tapGestureRecognizer];  //只需要点击非文字输入区域就会响应hideKeyBoard

    [tapGestureRecognizerrelease];

    returnYES;

}

 

-(void)done:(id)sender

{

    for(UIView*view inself.view.subviews) {

        if([view isKindOfClass:[UITextFieldclass]]) {

            [viewresignFirstResponder];

        }

    }

}

苹果官方的单例写法多学习苹果官方的例子..
+ (NetworkManager *)sharedInstance
{
    static dispatch_once_t  onceToken;
    static NetworkManager * sSharedInstance;
 
    dispatch_once(&onceToken;, ^{
        sSharedInstance = [[NetworkManager alloc] init];
    });
    return sSharedInstance;
}