Try moving all the declarations out of FinishedLaunching, eg:
> private MonoTouch.UIKit.UIWindow __mt_window;
> private UITextField _txtField;
>
>>>>>> THEY should be here!
MyController ctrl1;
UIView mainView;
UIToolbar toolbar;
> public override bool FinishedLaunching (UIApplication app,
> NSDictionary
> options)
> {
> __mt_window = new UIWindow(UIScreen.MainScreen.Bounds);
> __mt_window.BackgroundColor = UIColor.White;
>
why are you using __mt_window? use the window property, which talks to
> MyController ctrl1 = new MyController();
>
> UIView mainView = new
> UIView(UIScreen.MainScreen.Bounds);
>
>>>> NOT HERE!
> UIToolbar toolbar = new UIToolbar(new RectangleF(0, 0,
> 320, 30));
> toolbar.Items = new[]
> {
> new
> UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
> new UIBarButtonItem(UIBarButtonSystemItem.Done,
> HandleDoneButton)
> };
>
>>>> OR HERE - move UIToolbar out into a class-level variable
> Native stacktrace:
>
> 0 MTFailure 0x000d5c18
> mono_handle_native_sigsegv + 408
SIGSEGV is a Signal for a Segment Violation.
AKA a Null Pointer Exception.
All those things above will be getting GC'ed before you get to use
them. The GC in the newer version of MT is (I beleive) a LOT more
agressive, so things going out of scope get cleaned up quickly.
Putting them in as class var's stops that.
N
--
Nic Wise
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