Adding RawContacts to Aggregate Existing Contacts

This article will guide you through the process of adding raw contacts to an existing contact, resulting in a more comprehensive and aggregated contact record.

Understanding RawContacts

In Android, contacts are built using a concept called “RawContacts.” Each RawContact represents a single source of contact information, such as a SIM card, Google account, or a phone’s internal memory.

When multiple RawContacts share the same identifier (usually the phone number), the system aggregates them into a single, unified Contact record.

Steps to Add RawContacts

  1. Get the Existing Contact ID:
  2.     String contactId = "YOUR_CONTACT_ID"; // Replace with the existing Contact ID
      
  3. Create a New RawContact:
  4.     RawContact rawContact = new RawContact();
      
  5. Set the RawContact’s Data (e.g., Phone Number):
  6.     Data phoneData = new Data();
        phoneData.setData1("YOUR_PHONE_NUMBER");
        phoneData.mimetype = "vnd.android.cursor.item/phone_v2";
        phoneData.setData2("YOUR_PHONE_NUMBER_TYPE");
        rawContact.add(phoneData);
      
  7. Link the RawContact to the Existing Contact:
  8.     rawContact.setContactId(Long.parseLong(contactId));
      
  9. Insert the RawContact into the ContentResolver:
  10.     ContentResolver cr = getContentResolver();
        cr.insert(ContactsContract.RawContacts.CONTENT_URI, rawContact.toContentValues());
      

Example: Aggregating a New Phone Number

This code snippet demonstrates adding a new phone number to an existing contact, using the steps outlined above:

  // Assuming you have an existing contact with the ID "12345"
  String contactId = "12345";

  // Create a new RawContact
  RawContact rawContact = new RawContact();

  // Set the RawContact's phone number data
  Data phoneData = new Data();
  phoneData.setData1("1234567890"); // New phone number
  phoneData.mimetype = "vnd.android.cursor.item/phone_v2";
  phoneData.setData2(ContactsContract.CommonDataKinds.Phone.TYPE_MOBILE);
  rawContact.add(phoneData);

  // Link the RawContact to the existing contact
  rawContact.setContactId(Long.parseLong(contactId));

  // Insert the RawContact
  ContentResolver cr = getContentResolver();
  cr.insert(ContactsContract.RawContacts.CONTENT_URI, rawContact.toContentValues());

Comparison Table

Method Description Example
Create New Contact Creates a brand-new contact with a separate ID. ContactsContract.Contacts.CONTENT_URI
Add RawContact Links new information to an existing contact, aggregating data. ContactsContract.RawContacts.CONTENT_URI

Conclusion

By using the RawContacts API, you can seamlessly add new data to existing contacts, creating a unified and comprehensive view of your contact information.

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