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Query Contacts database for contacts with phone number only

Written By MR HARI on Senin, 26 November 2012 | 00.50

Last exercise "Query Contacts database" for all contacts. If you want to query contacts with phone number only, simple change the selection:

Change:
String selection = ContactsContract.Contacts.DISPLAY_NAME + " IS NOT NULL";

to:
String selection = ContactsContract.Contacts.HAS_PHONE_NUMBER + "=1";