Correction bug cursor adapter when groups are empty.
Between service - ui : Send now String accountName instead of Account account.
ContactList can sync manual in the menu
<?xml version="1.0" encoding="utf-8"?>
<set
xmlns:android="http://schemas.android.com/apk/res/android">
<rotate
android:fromDegrees="0"
android:toDegrees="360"
android:pivotX="50%"
android:pivotY="50%"
android:duration="5000"
android:repeatMode="restart"
android:repeatCount="infinite" />
</set>