集合视图单元格的动态宽度-Xamarin iOS

Question

I want to make Cell width dynamic with respect to its content. i've tried by calculating label width and then assigning it to cell frame but couldn't achieve this because label is not returning it actual width.

public void UpdateCell(string text)
{
    label.Text =  text;
    this.ContentView.Frame = new CoreGraphics.CGRect(0, 0, label.Frame.Width, this.ContentView.Frame.Height);
}

Answer 1

You can use the NSString's GetSizeUsingAttributes to calculate the CGRect of a string, you can then use that CGRect to retrieve the width:

using (var labelString = new NSString(label.Text))
{
    var size = labelString.GetSizeUsingAttributes(new UIStringAttributes() { Font = label.Font });
    ContentView.Frame = new CGRect(0, 0, size.Width, ContentView.Frame.Height);
}