NSMutable Array 难度 [英] NSMutable Array difficulty

问题描述

这里是 iOS 开发新手.我的阵列有问题.我正在用 iCarousel 制作一个应用程序.每当它停止到一个视图时，它将删除当前视图或索引，如下所示:

Beginner iOS dev here. I have a problem in my array. Im making an app with iCarousel. That whenever it stop to a view it will delete the current view or index, like this:

    NSInteger index = carousel.currentItemIndex;
    [carousel removeItemAtIndex:index animated:YES];
    [images removeObjectAtIndex:index];

所以我的数组有一个索引:

So my array have an index with this:

0 1 2 3 4 5

0 1 2 3 4 5

当我使用上面的方法(例如它落在视图 3 上)时，它会变成这样:

when I use the method above ( for example it lands on view 3) it become like this:

0 1 2 4 5

即使我删除，如何保持相同的数组索引/值?还是我应该更新它?

How to remain the same array index/value even if I delete? or should I update it?

我尝试使用 [carousel reloadData]; 但仍然没有效果.

I tried using [carousel reloadData]; but still no effect.

推荐答案

Use [carousel replaceItemAtIndex:index withObject:[NSNull null]];并检查对象是否属于 NSNull 类型然后什么都不做或根据您的要求.

Use [carousel replaceItemAtIndex:index withObject:[NSNull null]]; and check if the object is of type NSNull then do nothing or according to your requirement.

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