boinc/android/BOINC/res/drawable/icon_trans_tab.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  This file is part of BOINC.
  http://boinc.berkeley.edu
  Copyright (C) 2012 University of California
  
  BOINC is free software; you can redistribute it and/or modify it
  under the terms of the GNU Lesser General Public License
  as published by the Free Software Foundation,
  either version 3 of the License, or (at your option) any later version.
  
  BOINC is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the GNU Lesser General Public License for more details.
  
  You should have received a copy of the GNU Lesser General Public License
  along with BOINC.  If not, see <http://www.gnu.org/licenses/>.
-->
<selector xmlns:android="http://schemas.android.com/apk/res/android" >
    <!-- when selected use dark icons -->
    <item android:drawable="@drawable/tabtransfersb"
        android:state_selected="true"></item>
    <!-- when not selected, use white -->
    <item android:drawable="@drawable/tabtransfers"></item>
</selector>