Hi,
I have this Monotouch.Dialog app with UITableViewStyle.Plain that uses a
custom header:
root.Add(
new Section{
HeaderView = new CustomHeader
});
I need the custom header while I need to position the text at computed
coordinates:
namespace MySpace
{
private const float _height = 23f;
public class CustomHeader : UIView
{
private string _title;
public CustomHeader(string title) : base(new RectangleF(0f, 0f,
UIScreen.MainScreen.ApplicationFrame.Width, _height))
{
_title = title;
}
public override void Draw(RectangleF rectangle)
{
UIColor.LightGray.SetFill();
var context = UIGraphics.GetCurrentContext();
context.FillRect(rectangle);
UIColor.Black.SetColor();
// define variables x, y, width, height,
// and then draw the text
DrawString(_title, new RectangleF(x, y, width, height),
MyConfig.BoldFont,
UILineBreakMode.TailTruncation);
}
}
}
But I want to use a background image.
First idea was to base my CustomHeader on UIImageView rather than
UIView:
namespace MySpace
{
private const float _height = 23f;
public class CustomHeader : UIImageView
{
private string _title;
public CustomHeader(string title) : base(new RectangleF(0f, 0f,
UIScreen.MainScreen.ApplicationFrame.Width, _height))
{
_title = title;
BackGroundColor = UIColor.Clear;
Image = UIImage.FromFile("Image.png");
}
public override void Draw(RectangleF rectangle)
{
...
}
}
}
This shows the background, but without text as the Draw method is no
longer called.
Then I tried to stick with the UIView, and add an UIImageView:
namespace MySpace
{
private const float _height = 23f;
public class CustomHeader : UIView
{
private string _title;
public CustomHeader(string title) : base(new RectangleF(0f, 0f,
UIScreen.MainScreen.ApplicationFrame.Width, _height))
{
_title = title;
BackGroundColor = UIColor.Clear;
var bg = new UIImageView {
Frame = new RectangleF(0f, 0f,
UIScreen.MainScreen.ApplicationFrame.Width, Height),
BackgroundColor = UIColor.Clear,
Image =
UIImage.FromFile("Images/TableViewPlainHeaderBackground.png")
};
AddSubView(bg);
SendSubviewToBack(bg);
}
public override void Draw(RectangleF rectangle)
{
...
}
}
}
This approach also shows the image, but no text.
I have the distinct feeling that this should be fairly simple, but
apparently I need some help here.
Thanks in advance,
Guido
--
You need only reflect that one of the best ways to get yourself a
reputation as a dangerous citizen these days is to go about repeating
the very phrases which our founding fathers used in the struggle for
independence.
-- Charles A. Beard
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