菊花,

- (void)displayIndicator

{

    if (_indicator == nil)

    {

        _indicator = [[UIActivityIndicatorViewalloc] initWithFrame:CGRectMake((self.frame.size.width- self.frame.size.height) / 2 - 60, 0.0f,

                                                                               self.frame.size.height, self.frame.size.height)];

        _indicator.activityIndicatorViewStyle = UIActivityIndicatorViewStyleGray;

        _indicator.transform = CGAffineTransformScale(_indicator.transform, 0.75, 0.75);

        [self addSubview:_indicator];

    }

    self.enabled = NO;

    _indicator.hidden = NO;

    [selfsetTitle:kLoadingTextforState:UIControlStateNormal];

    [_indicatorstartAnimating];

}

 

 

- (void)hideIndicator

{

    self.enabled = YES;

    [_indicatorstopAnimating];

    _indicator.hidden = YES;

    [selfsetTitle:kLoadMoreTextforState:UIControlStateNormal];

}

原文地址:https://www.cnblogs.com/guligei/p/3288408.html