private class OnMyEditorActionListener implements OnEditorActionListener {
    public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
        if (actionId == R.id.your_new_ID || actionId = EditorInfo.IME_Null) {
            doSomething();
            return true;
        }
        return false;
    }
}

<EditText
    android:id="@+id/editbox_box_et"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:background="@null"
    android:gravity="top|center_horizontal"
    android:inputType="textMultiLine|textNoSuggestions"
    android:padding="@dimen/spacing_half"
    android:textSize="24sp"
    android:imeActionId="@+id/your_new_ID"
    android:imeActionLabel="Go">
</EditText>