Pull to Refresh * - (BOOL)refresh { if (![super refresh]) return NO; self.pageCount = 1; [lockLoadData lock]; [self performSelector:@selector(loadItemData) withObject:nil afterDelay:0.01]; [lockLoadData unlock]; return YES; } Load More * - (BOOL)loadMore { if (![super loadMore]) return NO; self.pageCount ++; [lockLoadData lock]; [self performSelector:@selector(loadItemData) withObject:nil afterDelay:0.01]; [lockLoadData unlock]; return YES; } UIScrollViewDelegate Method * - (void)scrollViewDidScroll:(UIScrollView *)scrollView { [super scrollViewDidScroll:scrollView]; }
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