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"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<stroke android:width="4dp" android:color="#D6F94C" />
<padding android:left="7dp" android:top="7dp"
android:right="7dp" android:bottom="7dp" />
<corners android:radius="4dp" />
</shape>