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如何将子视图添加到仅覆盖表格单元格但不覆盖表头视图的表视图

发布于 2024-12-02 09:23:58 字数 93 浏览 0 评论 0原文

我使用 UISegmentedControl 作为表视图的标题视图。现在我想添加加载视图（我自己定义的视图），仅覆盖表格单元格，但不覆盖我的标题视图。我该如何实现这一目标？

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如果没有 2024-12-09 09:23:58

您可以将此视图添加到所需的单元格中：

UITableViewCell *cell = [self tableView:self.tableView cellForRowAtIndexPath:indexPathOfCell];
[cell addSubview:view];

You can add this view to the cell you want:

UITableViewCell *cell = [self tableView:self.tableView cellForRowAtIndexPath:indexPathOfCell];
[cell addSubview:view];

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二货你真萌 2024-12-09 09:23:58

添加加载视图的最简单方法是这样的

// get the frame of your table header view
CGRect headerFrame = headerView.frame;

// construct a frame that is the screen minus the space for your header
CGRect loadingFrame = [[UIScreen mainScreen] applicationFrame];
loadingFrame.origin.y += headerFrame.size.height;
loadingFrame.size.height -= headerFrame.size.height;

// use that frame to create your loading view
MyLoadingView *loadingView = [[MyLoadingView alloc] initWithFrame:loadingFrame];

// add your view to the window *
[[headerView window] addSubview:loadingView];

* 将视图添加到窗口可能不是您设计的最佳选择，但由于我不知道视图层次结构的任何细节，因此这就是永远会起作用。

注意：如果您没有遮盖分段控件，并且启用了它，则用户可能会在您不期望的情况下单击它并更改应用程序的状态 - 例如当您尝试加载某些内容时对于他们来说。确保如果用户更改应用的状态，您可以取消此加载视图。

The simplest way to add the loading view would be like this

// get the frame of your table header view
CGRect headerFrame = headerView.frame;

// construct a frame that is the screen minus the space for your header
CGRect loadingFrame = [[UIScreen mainScreen] applicationFrame];
loadingFrame.origin.y += headerFrame.size.height;
loadingFrame.size.height -= headerFrame.size.height;

// use that frame to create your loading view
MyLoadingView *loadingView = [[MyLoadingView alloc] initWithFrame:loadingFrame];

// add your view to the window *
[[headerView window] addSubview:loadingView];

* Adding the view to the window may not be the best thing for your design, but since I don't know any of the details of your view hierarchy, this is the way that will always work.

Caution: If you do not cover up the segmented control, and it is enabled, the user may click on it and change the state of the app when you aren't expecting it - like when you're trying to load something for them. Be sure that you can cancel this loading view if the user changes the state of the app.

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