[mono-android] Problem with setting of EditText.TextChanged

[Jonathan Pryor]

Please file a test case.

Thanks!
 - Jon

On Mar 11, 2011, at 10:25 AM, Michal Sartoris wrote:

> Hello,
>  
> I’m having problems with adding TextChanged event handler to EditText. It is randomly crashing with this exception:
>  
> E/mono    (12288): [0xafd4a830:] EXCEPTION handling: System.InvalidCastException
> : Cannot cast from source type to destination type.
> I/MonoDroid(12288): UNHANDLED EXCEPTION: System.InvalidCastException: Cannot cas
> t from source type to destination type.
> I/MonoDroid(12288): at Java.Lang.Throwable.HandleToException (intptr) <0x00070>
> I/MonoDroid(12288): at Android.Runtime.AndroidEnvironment.GetExceptionForLastThr
> owable () <0x0004b>
> I/MonoDroid(12288): at Android.Runtime.JNIEnv.FindClass (string) <0x00057>
> I/MonoDroid(12288): at Android.Runtime.JNIEnv.FindClass (System.Type) <0x0002b>
> I/MonoDroid(12288): at Java.Lang.Object..ctor () <0x0002f>
> I/MonoDroid(12288): at Android.Text.TextWatcherImplementor..ctor (object,System.
> EventHandler`1<Android.Text.TextChangedEventArgs>,System.EventHandler`1<Android.
> Text.TextChangedEventArgs>,System.EventHandler`1<Android.Text.AfterTextChangedEv
> entArgs>) <0x0002b>
> I/MonoDroid(12288): at Android.Widget.TextView.add_TextChanged (System.EventHand
> ler`1<Android.Text.TextChangedEventArgs>) <0x0004b>
>  
> My code:
>  
> _textField.TextChanged += (s, e) =>
>                     {
>                            var fn = FilterChanged;
>                            if (fn != null)
>                            {
>                                   fn(this, EventArgs.Empty);
>                            }
>                     };
>  
> This is working most of the time, but sometimes it crashes. Any suggestions or should I submit a bug report?
>  
> Best regards,
>  
> Ing. Michal Sartoris
> Resco.net
>  
> 
> 
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