MJ刷新控件MJRefreshFooterView上拉之后收不回来的解决办法

修改MJRefreshFooterView.m文件中的这个方法

#pragma mark - 状态相关
#pragma mark   设置状态
- (void)setState:(MJRefreshState)state
{
    if (_state == state) return;
    MJRefreshState oldState = _state;
    [super setState:state];
    
    switch (state){
            
        case MJRefreshStatePulling:{
            _statusLabel.text = MJRefreshFooterReleaseToRefresh;
            
            [UIView animateWithDuration:MJRefreshAnimationDuration animations:^{
                _arrowImage.transform = CGAffineTransformIdentity;
                UIEdgeInsets inset = _scrollView.contentInset;
                inset.bottom = _scrollViewInitInset.bottom;
                _scrollView.contentInset = inset;
            }];
            break;
        }
            
        case MJRefreshStateNormal:{
            _statusLabel.text = MJRefreshFooterPullToRefresh;
            
            // 刚刷新完毕
            CGFloat animDuration = MJRefreshAnimationDuration;
            CGFloat deltaH = [self contentBreakView];
            CGPoint tempOffset;
            
            int currentCount = [self totalDataCountInScrollView];
            if (MJRefreshStateRefreshing == oldState && deltaH > 0 && currentCount != _lastRefreshCount) {
                
                tempOffset = _scrollView.contentOffset;
                if (_appDelegate.isA) {//A视图:隐藏FooterView
                    tempOffset.y -= 60;
                }else if(!_appDelegate.isA){//B视图:上拉之后显示后面的新数据
                    tempOffset.y += 60;
                }
                animDuration = 0;
            }
            
            [UIView animateWithDuration:animDuration animations:^{
                _arrowImage.transform = CGAffineTransformMakeRotation(M_PI);
                UIEdgeInsets inset = _scrollView.contentInset;
                inset.bottom = _scrollViewInitInset.bottom;
                _scrollView.contentInset = inset;
            }];
            
            if (animDuration == 0) {
                _scrollView.contentOffset = tempOffset;
            }
            break;
        }
            
        case MJRefreshStateRefreshing:{
            // 记录刷新前的数量
            _lastRefreshCount = [self totalDataCountInScrollView];
            
            _statusLabel.text = MJRefreshFooterRefreshing;
            _arrowImage.transform = CGAffineTransformMakeRotation(M_PI);
            [UIView animateWithDuration:MJRefreshAnimationDuration animations:^{
                UIEdgeInsets inset = _scrollView.contentInset;
                CGFloat bottom = MJRefreshViewHeight + _scrollViewInitInset.bottom;
                CGFloat deltaH = [self contentBreakView];
                if (deltaH < 0) { // 如果内容高度小于view的高度
                    bottom -= deltaH;
                }
                inset.bottom = bottom;
                _scrollView.contentInset = inset;
            }];
            break;
        }
            
        default:
            break;
    }
}