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Help me java.lang.IllegalStateException  RSS feed

 
Greenhorn
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I am developing local intranet chat application with Wifi enable. In this application i am using thread for send and receive (Both are seperate thread). When i am receiving the data the following error occured :

Error : The content of the adapter has changed but ListView did not receive a notification. Make sure the content of your adapter is not modified from a background thread, but only from the UI thread.

Thanks in Advance
Vintoh
Email : vinoth.kumar@sdi.la
 
It is sorta covered in the JavaRanch Style Guide.
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