private void updatePhoneInfo(String phoneName, String phoneNumber) {        //获取需要修改的联系人信息，该 Uri 信息是从其他 Activity 中传过来的，因此这里只是简单的获得        final Intent intent = getIntent();        Uri data = intent.getData();        final long contactId = ContentUris.parseId(data);                //查找联系人语句 SQL 中的 where selection 语句，通过 RAW_CONTACT_ID 选取需要修改的记录        final String nameSelection = StructuredName.RAW_CONTACT_ID + " = ? AND "                + Data.MIMETYPE + " = ?";        final String[] nameSelectionArgs = new String[] { String.valueOf(contactId),                StructuredName.CONTENT_ITEM_TYPE };        final String numberSelection = Phone.RAW_CONTACT_ID + " = ? AND "                + Data.MIMETYPE + " = ?";        final String[] numberSelectionArgs = new String[] {                String.valueOf(contactId), Phone.CONTENT_ITEM_TYPE };        //存储操作语句的容器        ArrayList
     
       ops = new ArrayList
      
       ();                //ContentProviderOperation 提供了 SQL 的增(add)、删(delete)、改(update)的基本操作，只要设置好条件和修改语句就可以了        // update contact's name        ContentProviderOperation.Builder builder =  ContentProviderOperation.newUpdate(ContactsContract.Data.CONTENT_URI);                builder.withSelection(nameSelection, nameSelectionArgs);        builder.withValue(StructuredName.FAMILY_NAME, null);        builder.withValue(StructuredName.DISPLAY_NAME, phoneName);                ops.add(builder.build());                // update contact's phone number        builder =  ContentProviderOperation.newUpdate(ContactsContract.Data.CONTENT_URI);        builder.withSelection(numberSelection, numberSelectionArgs);        builder.withValue(Phone.NUMBER, phoneNumber);        ops.add(builder.build());                try {            //一次性应用上述修改操作            getContentResolver().applyBatch(ContactsContract.AUTHORITY, ops);        } catch (RemoteException e) {            e.printStackTrace();        } catch (OperationApplicationException e) {            e.printStackTrace();        }    }
      
     

Contacts的增删查改的操作方法可以参考android的文档：