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我有這樣的代碼:IOS:許多scrollViews的代表
- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
[NSObject cancelPreviousPerformRequestsWithTarget:self];
[self performSelector:@selector(scrollViewDidEndScrollingAnimation:) withObject:nil afterDelay:0.01];
}
- (void) scrollViewDidEndScrollingAnimation:(UIScrollView *)scrollView{
[NSObject cancelPreviousPerformRequestsWithTarget:self];
if (scrollView == scrollV){
NSLog(@"scroll di scrollV");
}
}
我不明白爲什麼它不會在控制檯「滾動迪scrollV」打印,我將委託scrollV,但不要」將不起作用