Thanks Nic.
Using UILabels now.
Guido
On 11 February 2014 04:26, Nic Wise <n...@fastchicken.co.nz> wrote:
> If you Apple-D on the DrawString method to decompile it, you'll see
> it's ios7 only
>
> [Since (7, 0), CompilerGenerated]
> public static void DrawString (this NSString This, PointF point,
> UIStringAttributes attributes)
> {
> This.WeakDrawString (point, attributes.Dictionary);
> }
>
> I suspect it's calling
>
> }
> Messaging.void_objc_msgSend_PointF_IntPtr (This.Handle,
> Selector.GetHandle ("drawAtPoint:withAttributes:"), point,
> attributes.Handle);
> }
>
> Which is iOS7 only:
>
> https://developer.apple.com/library/ios/documentation/uikit/reference/NSString_UIKit_Additions/Reference/Reference.html#//apple_ref/occ/instm/NSString/drawAtPoint:withAttributes:
>
> Availability
>
> Available in iOS 7.0 and later.
>
>
>
> On Tue, Feb 11, 2014 at 9:13 AM, Guido Van Hoecke <gui...@gmail.com> wrote:
>> Guido Van Hoecke <gui...@gmail.com> writes:
>>
>>> Guido Van Hoecke <gui...@gmail.com> writes:
>>>
>>>> Guido Van Hoecke <gui...@gmail.com> writes:
>>>>
>>>>> Following method crashes on iPad.
>>>>
>>>> The problem might be related to the size of the font. The same code
>>>> works fine on iphone, but of course uses a smaller fint there. (The game
>>>> draws a character in an 8x8 grid, which means cell size and thus font
>>>> size is much smaller on iphone)
>>>
>>> The ipad runs ois 5.1.1, the iphone runs 7.0.4
>>>
>>> This may also be important in pinpointing the bug.
>>
>> I filed a bug report at
>> https://bugzilla.xamarin.com/show_bug.cgi?id=17691
>>
>> Guido
>>
>>>
>>> Guido
>>>
>>>>>
>>>>> private void DrawChar (CGContext g, RectangleF frame, string c,
>>>>> StateType state)
>>>>> {
>>>>> var h = Convert.ToInt32 (frame.Height * .8);
>>>>> var s = new NSString (c);
>>>>> var size = MCiOS.TextSize (UIFont.BoldSystemFontOfSize (h),
>>>>> c.ToString ());
>>>>> var p = new PointF (frame.X + (frame.Width - size.Width) / 2,
>>>>> frame.Y + (frame.Height - size.Height) / 2);
>>>>> var font = UIFont.BoldSystemFontOfSize(h);
>>>>> Debug.Assert(font != null, "Failed to get font of size " + h);
>>>>> s.DrawString (p, new UIStringAttributes {
>>>>> Font = font,
>>>>> ForegroundColor = _textColors [(int)state],
>>>>> });
>>>>> }
>>>>>
>>>>> The 'Font = font' line is painted green.
>>>>>
>>>>> Initially I did not use the intermediate variable but changed the code
>>>>> so that I could check on the font being null. Turns out it isn't: I get
>>>>> {Helvetica-Bold 56}.
>>>>>
>>>>> The details of the exception seem to indicate that it really crashes
>>>>> inside MonoTouch:
>>>>>
>>>>> System.ArgumentNullException: Argument cannot be null.
>>>>> Parameter name: key
>>>>> at MonoTouch.Foundation.DictionaryContainer.SetNativeValue
>>>>> (MonoTouch.Foundation.NSString key, INativeObject value, Boolean
>>>>> removeNullValue) [0x0002f] in
>>>>> /Developer/MonoTouch/Source/maccore/src/Foundation/.pmcs-compat.DictionaryContainer.cs:343
>>>>> at MonoTouch.UIKit.UIStringAttributes.set_Font (MonoTouch.UIKit.UIFont
>>>>> value) [0x00000] in
>>>>> /Developer/MonoTouch/Source/monotouch/src/UIKit/.pmcs-compat.UIStringAttributes.cs:78
>>>>> at XOOX.Classes.PuzzleView.DrawChar (MonoTouch.CoreGraphics.CGContext
>>>>> g, RectangleF frame, System.String c, StateType state) [0x000ad] in
>>>>> /Users/guivho/Mono/XOOX/XOOX/Classes/PuzzleView.cs:332
>>>>> at XOOX.Classes.PuzzleView.DrawCell (RectangleF frame, System.String c,
>>>>> TrailType trail, StateType state, System.Collections.Generic.List`1 dots)
>>>>> [0x00066] in /Users/guivho/Mono/XOOX/XOOX/Classes/PuzzleView.cs:294
>>>>> at XOOX.Classes.PuzzleView.DrawPuzzle () [0x00163] in
>>>>> /Users/guivho/Mono/XOOX/XOOX/Classes/PuzzleView.cs:163
>>>>> at XOOX.Classes.PuzzleView.Draw (RectangleF rect) [0x00002] in
>>>>> /Users/guivho/Mono/XOOX/XOOX/Classes/PuzzleView.cs:112
>>>>> at 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/.pmcs-compat.UIApplication.cs:38
>>>>> at XOOX.Application.Main (System.String[] args) [0x00008] in
>>>>> /Users/guivho/Mono/XOOX/XOOX/Main.cs:15
>>>>>
>>>>> Is there some way I can prevent this error from happening?
>>>>>
>>>>>
>>>>> Guido
>>>>>
>>>>> --
>>>>> The way I understand it, the Russians are sort of a combination of evil
>>>>> and
>>>>> incompetence... sort of like the Post Office with tanks.
>>>>> -- Emo Philips
>> _______________________________________________
>> MonoTouch mailing list
>> MonoTouch@lists.ximian.com
>> http://lists.ximian.com/mailman/listinfo/monotouch
>
>
>
> --
> Nic Wise
> t. +64 21 676 418 | @fastchicken
> b. http://www.fastchicken.co.nz/
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