In android we can easily share data across the applications and this is done by using ContactProvider. A contact provider class is a flexible java class that provides you multiple row contacts to access person data.

we can also use contact provider to insert some records in contact diary.

Here ContentProviderOperation.Builder is created by using newInsert(Uri), newUpdate(Uri), newDelete(Uri).

you can use these codes to insert some records in contact table like this :

 ArrayList<ContentProviderOperation> arrayList =
            new ArrayList<ContentProviderOperation>();

create arraylist of ContentProviderOperation type.

            arrayList.add(ContentProviderOperation.newInsert(ContactsContract.Data.CONTENT_URI)
                    .withValueBackReference(ContactsContract.Data.RAW_CONTACT_ID, rawContactID)
                    .withValue(ContactsContract.Data.MIMETYPE, Phone.CONTENT_ITEM_TYPE)
                    .withValue(Phone.NUMBER, mobileEdittext.getText().toString())
                    .withValue(Phone.TYPE, CommonDataKinds.Phone.TYPE_MOBILE)
                    .build());

now apply batch method to execute queries :

  try{
                getContentResolver().applyBatch(ContactsContract.AUTHORITY, ops);
                Toast.makeText(getBaseContext(), "Contact added", Toast.LENGTH_SHORT).show();
            }catch (RemoteException e) {
                e.printStackTrace();
            }catch (OperationApplicationException e) {
                e.printStackTrace();
            }