android - Cannot retrieve whatsapp contact's numbers -

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this code getting whatsapp contacts can't getting contact numbers. code is: hatsapp it's "com.whatsapp". so:

   cursor c =       getcontentresolver().query(     rawcontacts.content_uri,     new string[] {    rawcontacts.contact_id, rawcontacts.display_name_primary },     rawcontacts.account_type + "= ?",     new string[] { "com.whatsapp" },     null);   arraylist<string> mywhatsappcontacts = new arraylist<string>();    int contactnamecolumn = c.getcolumnindex(rawcontacts.display_name_primary);     while (c.movetonext())     {         mywhatsappcontacts.add(c.getstring(contactnamecolumn));     }

tried both contacts , contacts.data showing names . can me please?


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