Refactor the ContactList activity.
Use an insertion sorted list to manage the sort.
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<color name="blue_sky">#A0C8FF</color>
<color name="vert_manu">#CCFF00</color>
<color name="black">#000000</color>
<color name="white">#FFFFFF</color>
<color name="red">#FF0000</color>
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