[Monodroid] Change in preview 13 related to EditText.Text

[Paul Camacho]

I think you should be setting it to the empty string "" instead of null, and wait for the garbage collector to come clean up. I don't think it's a bug.



Am 02.03.2011 um 12:03 schrieb Orlando Silva <orlandolsilva at gmail.com>:

> The EditText controller is also crashing when we set the Text's property to null.
> 
> Best Regards,
>  Orlando
> 
> 
> On Wed, Mar 2, 2011 at 10:56 AM, Orlando Silva <orlandolsilva at gmail.com> wrote:
> Hi,
> 
> I see, thanks for your help, ya that works :)
> I thought that wouldn't work because my code was crashing when i set this.TextView.Text = null, this is a new bug? should i report it?
> 
> Error log:
> gids={3003, 1015}
> E/mono    ( 7005): [0xafd4d440:] EXCEPTION handling: Java.Lang.NullPointerException: Exception of type 'Java.Lang.NullPo
> interException' was thrown.
> I/MonoDroid( 7005): UNHANDLED EXCEPTION: Java.Lang.NullPointerException: Exception of type 'Java.Lang.NullPointerExcepti
> on' was thrown.
> I/MonoDroid( 7005): at Android.Runtime.JNIEnv.NewObject (intptr,intptr,Android.Runtime.JValue[]) <0x000a4>
> I/MonoDroid( 7005): at Java.Lang.String..ctor (string) <0x0025f>
> I/MonoDroid( 7005): at Android.Widget.TextView.set_Text (string) <0x0002b>
> I/MonoDroid( 7005): at MonoDroidApplicationTextViewP13.Activity1.OnCreate (Android.OS.Bundle) <0x00193>
> I/MonoDroid( 7005): at Android.App.Activity.n_OnCreate_Landroid_os_Bundle_ (intptr,intptr,intptr) <0x0005f>
> I/MonoDroid( 7005): at (wrapper dynamic-method) object.6c30b5a4-906e-4c06-add1-b2af5c1e5416 (intptr,intptr,intptr) <0x00
> 033>
> E/mono    ( 7005): [0xafd4d440:] EXCEPTION handling: Java.Lang.NullPointerException: Exception of type 'Java.Lang.NullPo
> interException' was thrown.
> E/mono    ( 7005):
> E/mono    ( 7005): Unhandled Exception: Java.Lang.NullPointerException: Exception of type 'Java.Lang.NullPointerExceptio
> n' was thrown.
> E/mono    ( 7005):   at Android.Runtime.JNIEnv.NewObject (IntPtr jclass, IntPtr jmethod, Android.Runtime.JValue[] parms)
>  [0x00000] in <filename unknown>:0
> E/mono    ( 7005):   at Java.Lang.String..ctor (System.String string) [0x00000] in <filename unknown>:0
> E/mono    ( 7005):   at Android.Widget.TextView.set_Text (System.String value) [0x00000] in <filename unknown>:0
> E/mono    ( 7005):   at MonoDroidApplicationTextViewP13.Activity1.OnCreate (Android.OS.Bundle bundle) [0x00000] in <file
> 
> 
> Thanks for you help,
>  Orlando
> 
> 
> On Wed, Mar 2, 2011 at 10:37 AM, Torello Querci <tquerci at gmail.com> wrote:
> 2011/3/2 Orlando Silva <orlandolsilva at gmail.com>:
> > Hello,
> > Now in P13, when i try to do:
> > "
> > string text = "new string";
> > this.TextView.TextFormatted = text;
> > "
> > I get the compile error "Cannot implicitly convert type 'string' to
> > 'Java.Lang.ICharSequence' "? Now, how can i set an string value to the
> > TextView's controller?
> > Thanks for all your help,
> >  Orlando
> >
> 
> If you want to use e TextFormatted you need pass a IChar sequence.
> 
> For example in my code I pass a Android.Text.Html.FromHtml object to a
> TextFormatted.
> 
> In other part of my code I need to change from
> 
> menu.SetHeaderTitle(server.Name);
> 
> to
> 
> Java.Lang.ICharSequence str = new Java.Lang.String(server.Name);
> menu.SetHeaderTitle(str);
> 
> As write from Dan Kibby this is intentional and write in the release notes
> 
> Best Regards, Torello
> 
> >
> > On Fri, Feb 25, 2011 at 11:28 PM, Dan Kibby <DKIBBY at motorstate.com> wrote:
> >>
> >> Intentional...release notes clarify
> >>
> >>
> >> Chris Erickson <chris at cartopac.com> wrote:
> >>
> >> Hello,
> >> In preview 13, I had something break where I was setting an EditText.Text
> >> property to null and I'm now getting a null reference exception…
> >>
> >> Was this change intentional or is this a defect?
> >>
> >> chris erickson
> >> chris at cartopac.com
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