xcode 如何让我的活动指示器视图覆盖所有屏幕？
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How to make my activity indicator view cover all screen?
提问by Richard Knop
So when a user clicks on a button in my app, I would like to create a new view with an activity indicator and cover the whole screen with it until the button action finishes.
因此，当用户单击我的应用程序中的按钮时，我想创建一个带有活动指示器的新视图，并用它覆盖整个屏幕，直到按钮操作完成。
However, my activity indicator view is covering only inside of a table view, it looks like this:
但是，我的活动指示器视图仅覆盖表视图内部，如下所示：
How to make it cover whole screen? Including the navigation controller and table view toolbar.
如何让它覆盖整个屏幕？包括导航控制器和表格视图工具栏。
Here is my code I use to create the view:
这是我用来创建视图的代码：
self.overlayView = [[UIView alloc] initWithFrame:[UIScreen mainScreen].bounds];
self.overlayView.backgroundColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:0.5];
self.activityIndicator = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
self.activityIndicator.center = self.overlayView.center;
[self.overlayView addSubview:self.activityIndicator];
[self.activityIndicator startAnimating];
[self.tableView addSubview:self.overlayView];
回答by CodaFi
Change
改变
[self.tableView addSubview:self.overlayView];
To
到
[self.navigationController.view addSubview:self.overlayView];
Set the overlay's rect accordingly.
相应地设置覆盖的矩形。
回答by shabbirv
Do this:
做这个：
[[UIApplication sharedApplication].keyWindow addSubview:self.overlayView];
