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Possible Duplicate:
UnsupportedOperationException with ArrayAdapter.remove

I have a listview which will be refreshed when the user clicks a delete button. For some reason I get this error

02-19 17:16:47.231: E/AndroidRuntime(1118): FATAL EXCEPTION: main 02-19 17:16:47.231: E/AndroidRuntime(1118): java.lang.UnsupportedOperationException 02-19 17:16:47.231: E/AndroidRuntime(1118): at java.util.AbstractList.remove(AbstractList.java:645) 02-19 17:16:47.231: E/AndroidRuntime(1118): at java.util.AbstractList$SimpleListIterator.remove(AbstractList.java:77) 02-19 17:16:47.231: E/AndroidRuntime(1118): at java.util.AbstractCollection.remove(AbstractCollection.java:230) 02-19 17:16:47.231: E/AndroidRuntime(1118): at android.widget.ArrayAdapter.remove(ArrayAdapter.java:212) 02-19 17:16:47.231: E/AndroidRuntime(1118): at com.DCWebMakers.Vairon.ManageAppointment.onClick(ManageAppointment.java:102) 02-19 17:16:47.231: E/AndroidRuntime(1118): at android.view.View.performClick(View.java:2485) 02-19 17:16:47.231: E/AndroidRuntime(1118): at android.view.View$PerformClick.run(View.java:9080) 02-19 17:16:47.231: E/AndroidRuntime(1118): at android.os.Handler.handleCallback(Handler.java:587) 02-19 17:16:47.231: E/AndroidRuntime(1118): at android.os.Handler.dispatchMessage(Handler.java:92) 02-19 17:16:47.231: E/AndroidRuntime(1118): at android.os.Looper.loop(Looper.java:123) 02-19 17:16:47.231: E/AndroidRuntime(1118): at android.app.ActivityThread.main(ActivityThread.java:3683) 02-19 17:16:47.231: E/AndroidRuntime(1118): at java.lang.reflect.Method.invokeNative(Native Method) 02-19 17:16:47.231: E/AndroidRuntime(1118): at java.lang.reflect.Method.invoke(Method.java:507) 02-19 17:16:47.231: E/AndroidRuntime(1118): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) 02-19 17:16:47.231: E/AndroidRuntime(1118): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) 02-19 17:16:47.231: E/AndroidRuntime(1118): at dalvik.system.NativeStart.main(Native Method)

This is the code when removing the item.

detailAdapter.remove(eDelete.getText().toString());
detailAdapter.notifyDataSetChanged();
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1 Answers1

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Judging by the stack trace, the list that is backing your ArrayAdapter does not support removal. What type of list are you using?

Dan Dyer
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