We currently support API level 3; ContactsContract is only available in API level 5; if you want to use this you will need to make a check for the API level and use the right class for each case. You can read more about this at: https://docs.google.com/document/d/1O_tfAeObQlfCcZRGlbXmLJY7iwgMkpR7IF9g3cvgVog/pub