James,
I did share the code. That’s it:
public override void WillEnterForeground(UIApplication application)
{
try
{
//ThreadPool.QueueUserWorkItem(this.EnterForeground);
}
catch (Exception ex)
{
Application.SendError(ex);
}
}
I can’t publish my entire app code in here. But why am I getting exceptions
that simply crash my app in a method that I have no real code in? Even if I
comment out the entire “WillEnterForeground” I still get explosions that just
kill the app completely.
It will not break in code – always just blows up. Never blew up before, just
after I made the mistake of upgrading to MonoTouch 6.0.3. This code has been
working for over 12 months, and now I’m in deep shit where I can’t publish a
new version because I cannot get any help on some severe crashes.
Hell – I’ve even got one crash on an iPad where it actually manages to disable
the Home button until you reboot the device – any ideas what API I might be
using incorrectly to achieve that?
Dino
From: James Darbyshire [mailto:[email protected]]
Sent: Friday, October 12, 2012 19:35
To: Dean Cleaver
Cc: [email protected]
Subject: Re: [MonoTouch] Any idea what this could be?
To be blunt, we can't help without having code to look through.
MonoTouch doesn't just add method calls, and throw exceptions on its own.
My guess is that your problem is probably an incorrect use of an API or object
somewhere.
iOS application development is a lot more accessible now, thanks to MT, but if
you don't do the basics, just as with ObjC or PhoneGap (et. al.) your
foundations will be shaky.
Share the code, or at least somewhere we can reproduce the problem, and we can
help you diagnose the problem.
Regards,
James
On 13/10/2012, at 11:23 AM, Dean Cleaver
<[email protected]<mailto:[email protected]>>
wrote:
Anyone able to help before I ditch MonoTouch and try something that works? We
are seriously in a position where we cannot release code because of this
problem, and the CEO is discussing ditching MonoTouch completely because we
can’t rely on it to work.
Dino
From: Dean Cleaver
Sent: Friday, October 12, 2012 17:16
To: Dean Cleaver; [email protected]<mailto:[email protected]>
Subject: RE: Any idea what this could be?
It’s now seemingly not Linea – just random:
MonoTouch.Foundation.MonoTouchException: Objective-C exception thrown. Name:
NSInvalidArgumentException Reason: -[OS_dispatch_semaphore
UIApplicationWillEnterForeground:]: unrecognized selector sent to instance
0x81b27e0
at (wrapper managed-to-native) MonoTouch.UIKit.UIApplication:UIApplicationMain
(int,string[],intptr,intptr)
at MonoTouch.UIKit.UIApplication.Main (System.String[] args, System.String
principalClassName, System.String delegateClassName) [0x0004c] in
/Developer/MonoTouch/Source/monotouch/src/UIKit/UIApplication.cs:38
at KleverLogic.FlashValet.iPhone.Valet.Application.Main (System.String[] args)
[0x00048] in /xsl-home/kleverlogic/FlashValet/Mobile/iPhone/Valet/Main.cs:40
And here’s my WillEnterForeground:
public override void WillEnterForeground(UIApplication application)
{
try
{
//ThreadPool.QueueUserWorkItem(this.EnterForeground);
}
catch (Exception ex)
{
Application.SendError(ex);
}
}
Yeah – basically empty, yet it still crashes in the
UIApplicationWillEnterForeground – any ideas?
Dino
From:
[email protected]<mailto:[email protected]>
[mailto:[email protected]] On Behalf Of Dean Cleaver
Sent: Thursday, October 11, 2012 15:00
To: [email protected]<mailto:[email protected]>
Subject: [MonoTouch] Any idea what this could be?
I got this error report recently:
MonoTouch.Foundation.MonoTouchException: Objective-C exception thrown. Name:
NSInvalidArgumentException Reason: -[Linea UIApplicationDidEnterBackground:]:
unrecognized selector sent to instance 0x21a2a80
at MonoTouch.UIKit.UIApplication.Main (System.String[] args, System.String
principalClassName, System.String delegateClassName) [0x0004c] in
/Developer/MonoTouch/Source/monotouch/src/UIKit/UIApplication.cs:38
at KleverLogic.FlashValet.iPhone.Valet.Application.Main (System.String[] args)
[0x00027] in /xsl-home/kleverlogic/FlashValet/Mobile/iPhone/Valet/Main.cs:40
I’m intrigued by the “Reason: -[Linea UIApplicationDidEnterBackground:]”
because I make no calls to the linea in this, so wondered if there was even
anything I could do?
Dino
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