don't need the camera following invisible stuff (maybe this should be in the general camera routine?)
<level-list xmlns:android="http://schemas.android.com/apk/res/android">
<item android:maxLevel="0" android:drawable="@drawable/teams_number0" />
<item android:maxLevel="1" android:drawable="@drawable/teams_number1" />
<item android:maxLevel="2" android:drawable="@drawable/teams_number2" />
<item android:maxLevel="3" android:drawable="@drawable/teams_number3" />
<item android:maxLevel="4" android:drawable="@drawable/teams_number4" />
<item android:maxLevel="5" android:drawable="@drawable/teams_number5" />
<item android:maxLevel="6" android:drawable="@drawable/teams_number6" />
<item android:maxLevel="7" android:drawable="@drawable/teams_number7" />
<item android:maxLevel="8" android:drawable="@drawable/teams_number8" />
<item android:maxLevel="9" android:drawable="@drawable/teams_number9" />
</level-list>