问题描述

我一直在努力隐藏页脚视图.我的问题是，当我单击按钮时，页脚中有一个按钮章节更新后.

I have been working to hide the footerview for while. My problem is I have a button in footer when I click the button one section will be added below as the last section and the button too will shift to the newly created section and now I want to hide the footer in the previous section of the table after the update of sections.

footerView.hidden = YES

我在按钮操作中使用了它，但它不起作用.

I used this in the button action but its not working.

推荐答案

有四种解决方案.他们是，

There are four solutions. They are,

解决方案 1:

tableView.sectionHeaderHeight = 0.0;
tableView.sectionFooterHeight = 0.0;

- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger )section {
    return 1.0;
}

- (CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger )section {
    return 1.0;
}

- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger )section {
    return [[UIView alloc] initWithFrame:CGRectZero];
}

- (UIView *)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger )section {
    return [[UIView alloc] initWithFrame:CGRectZero];
}

解决方案 2:

您可以通过界面生成器在尺寸选项卡下设置页脚/页眉高度.

You can set the footer/header height via interface builder under the size tab.

解决方案 3:

设置 contentInset 属性.

self.tableView.contentInset = UIEdgeInsetsMake(-20, 0, -20, 0);

用于使顶部和底部接触边缘.

It is used to make the top and bottom touch the edge.

解决方案 4:

实现以下，根据您的条件设置值.0.0 将不被接受.较低的值应为 1.0.

implement the below, set the values as per your condition. 0.0 will not be accepted. The lower value should be 1.0.

- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger )section {
    if(section == 0) {
       return 6;
    } else {
       return 1.0;
    }
}

- (CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger )section {
    return 5.0;
}

- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger )section {
    return [[UIView alloc] initWithFrame:CGRectMake(0, 0, 0, 0)];
}

- (UIView *)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger )section {
    return [[UIView alloc] initWithFrame:CGRectMake(0, 0, 0, 0)];
}

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