# GUIDES

- [User\_data\_&\_identity](/project/android_dev-40/guides/user_data_and_identity.md)
- [Contacts\_provider](/project/android_dev-40/guides/user_data_and_identity/contacts_provider.md)
- [Retrieving\_a\_list\_of\_contact](/project/android_dev-40/guides/user_data_and_identity/contacts_provider/retrieving_a_list_of_contact.md)
