Why the UITableViewCell changed its size when I slide the view

Question

everyone,I am a beginner in iOS development.
Now I face a problem:I wrote a small program to learn custom UITableViewCell. It just can work well at the beginning. When I slide the view, it will change. I feel really confuse.
And the ContentView only has one view which is UIImageView.

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

{

    HWHomePageCell *cell = [tableView dequeueReusableCellWithIdentifier:@"HWHomePageCell"];

    if (cell == nil)

    {

        cell = [HWHomePageCell homePageCell];

    }

        cell.imageView.image = [UIImage imageNamed:@"XD"];



    return cell;

}

This is the picture, top two are good,but when I slide down, as you can see, the 3rd doesn't work well

Answer 1

  - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    HWHomePageCell *cell = [tableView dequeueReusableCellWithIdentifier:@"HWHomePageCell"];

        cell = [HWHomePageCell homePageCell];

        cell.imageView.image = [UIImage imageNamed:@"XD"];

    return cell;
}

When you use custom cell then no need to check whether cell is nil or not. so please remove this condition and implement it.

Why the UITableViewCell changed its size when I slide the view

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