试图在我的 Android 应用程序中匹配相应的光标记录

Question

在我的 onCreate 中，我有一个名为 phones:

的 Cursor

    // this query only return contacts with phone number and is not duplicated
        phones = getContentResolver().query(
//                the table to query
                ContactsContract.Contacts.CONTENT_URI,
//                the columns to return
                null,
//               selection criteria :
// we only want contacts that have a name and a phone number. If they have a phone number, the value is 1 (if not, it is 0)
                ContactsContract.Contacts.IN_VISIBLE_GROUP + " = '" + ("1") + "'" + " AND " + ContactsContract.Contacts.HAS_PHONE_NUMBER + "=1",
//               selection criteria
                null,
//                display in ascending order
                ContactsContract.Contacts.DISPLAY_NAME + " COLLATE LOCALIZED ASC");

// phones.getCount returns 134 records, which is the correct number of contacts with corresponding phone number.

我循环获取所有 134 个联系人的姓名：

  if (phones != null) {


            if (phones.getCount() == 0) {
                Toast.makeText(MainActivity.this, "No contacts in your contact list.", Toast.LENGTH_LONG).show();
            }

            while (phones.moveToNext()) {


                String name = phones.getString(phones.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));

现在我需要得到 134 个匹配的 phone 号码。在上面最后一行的下方，仍然在 While Loop 中，我创建了一个新的 Cursor，phonestwo :

    // phoneContactId returns 134 records, which is the correct number - it matches the number of contacts with corresponding phone numbers.
        String phoneContactId = phones.getString(phones.getColumnIndexOrThrow(BaseColumns._ID));


        phonestwo = getContentResolver().query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
                                    null,
                                    ContactsContract.CommonDataKinds.Phone.CONTACT_ID + " = ?",
                                    new String[]{phoneContactId},
                                    null);



        while (phonestwo.moveToNext()) {
        int phoneType = phonestwo.getInt(phonestwo.getColumnIndexOrThrow(ContactsContract.CommonDataKinds.Phone.TYPE));
        String phoneNumber = phonestwo.getString(phonestwo.getColumnIndexOrThrow(ContactsContract.CommonDataKinds.Phone.NUMBER));


//For every contact in the phonebook, show the name and number
        SelectContact selectContact = new SelectContact();
        selectContact.setName(name);
        selectContact.setPhone(phoneNumber);
        selectContacts.add(selectContact);
                            }


                        }

                    }

                    phones.close();
                    return null;
                }

在我的 Logcat,

我有 134 "phones" 条记录，这是正确的。

我有 134 "phoneContactId" 条记录，这是正确的。

我有 1 条记录，有时有 2 条 "phonestwo" 条记录。但我希望 phonestwo 记录的数量为 134，即 134 个联系人的匹配 phone 号码。有什么想法吗？

这是我的 logcat 的片段：

04-09 01:22:42.384    8934-8948/com.example.chris.contactlistcustomlistview E/phones﹕ 134
04-09 01:22:42.384    8934-8948/com.example.chris.contactlistcustomlistview E/phonestwo﹕ 2
04-09 01:22:42.384    8934-8948/com.example.chris.contactlistcustomlistview E/Contact ID﹕ 1191
04-09 01:22:42.394    8934-8934/com.example.chris.contactlistcustomlistview D/OpenGLRenderer﹕ Enabling debug mode 0
04-09 01:22:42.404    8934-8948/com.example.chris.contactlistcustomlistview E/phones﹕ 134
04-09 01:22:42.404    8934-8948/com.example.chris.contactlistcustomlistview E/phonestwo﹕ 2
04-09 01:22:42.404    8934-8948/com.example.chris.contactlistcustomlistview E/Contact ID﹕ 2314
04-09 01:22:42.414    8934-8948/com.example.chris.contactlistcustomlistview E/phones﹕ 134
04-09 01:22:42.414    8934-8948/com.example.chris.contactlistcustomlistview E/phonestwo﹕ 1
04-09 01:22:42.414    8934-8948/com.example.chris.contactlistcustomlistview E/Contact ID﹕ 1076
04-09 01:22:42.424    8934-8948/com.example.chris.contactlistcustomlistview E/phones﹕ 134
04-09 01:22:42.424    8934-8948/com.example.chris.contactlistcustomlistview E/phonestwo﹕ 1
04-09 01:22:42.424    8934-8948/com.example.chris.contactlistcustomlistview E/Contact ID﹕ 643
04-09 01:22:42.454    8934-8948/com.example.chris.contactlistcustomlistview E/phones﹕ 134
04-09 01:22:42.454    8934-8948/com.example.chris.contactlistcustomlistview E/phonestwo﹕ 1
04-09 01:22:42.454    8934-8948/com.example.chris.contactlistcustomlistview E/Contact ID﹕ 746
04-09 01:22:42.474    8934-8948/com.example.chris.contactlistcustomlistview E/phones﹕ 134
04-09 01:22:42.474    8934-8948/com.example.chris.contactlistcustomlistview E/phonestwo﹕ 1
04-09 01:22:42.474    8934-8948/com.example.chris.contactlistcustomlistview E/Contact ID﹕ 1690
04-09 01:22:42.504    8934-8948/com.example.chris.contactlistcustomlistview E/phones﹕ 134
04-09 01:22:42.504    8934-8948/com.example.chris.contactlistcustomlistview E/phonestwo﹕ 1
04-09 01:22:42.504    8934-8948/com.example.chris.contactlistcustomlistview E/Contact ID﹕ 1055
04-09 01:22:42.524    8934-8948/com.example.chris.contactlistcustomlistview E/phones﹕ 134
04-09 01:22:42.524    8934-8948/com.example.chris.contactlistcustomlistview E/phonestwo﹕ 1
04-09 01:22:42.524    8934-8948/com.example.chris.contactlistcustomlistview E/Contact ID﹕ 945
04-09 01:22:42.554    8934-8948/com.example.chris.contactlistcustomlistview E/phones﹕ 134
04-09 01:22:42.554    8934-8948/com.example.chris.contactlistcustomlistview E/phonestwo﹕ 2
04-09 01:22:42.554    8934-8948/com.example.chris.contactlistcustomlistview E/Contact ID﹕ 226
04-09 01:22:42.564    8934-8948/com.example.chris.contactlistcustomlistview E/phones﹕ 134
04-09 01:22:42.564    8934-8948/com.example.chris.contactlistcustomlistview E/phonestwo﹕ 1
04-09 01:22:42.564    8934-8948/com.example.chris.contactlistcustomlistview E/Contact ID﹕ 267

Answer 1

public class MainActivity extends Activity {


    Cursor cursor;
    ListView mainListView;
    ArrayList hashMapsArrayList;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        if (cursor != null) {
            cursor.moveToFirst();}
        try {

            cursor = getApplicationContext().getContentResolver()
                    .query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null, null, null, null);
            int Idx = cursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.CONTACT_ID);
            int nameIdx = cursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME);

            int phoneNumberIdx = cursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER);
            int photoIdIdx = cursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.PHOTO_THUMBNAIL_URI);
            cursor.moveToFirst();


            Set<String> ids = new HashSet<>();
            do {
                System.out.println("=====>in while");
                String contactid=cursor.getString(Idx);
                if (!ids.contains(contactid)) {
                    ids.add(contactid);
                    HashMap<String, String> hashMap = new HashMap<String, String>();
                   String  name = cursor.getString(nameIdx);
                    String phoneNumber = cursor.getString(phoneNumberIdx);
                    String image = cursor.getString(photoIdIdx);
                    System.out.println("Id--->"+contactid+"Name--->"+name);
                    System.out.println("Id--->"+contactid+"Name--->"+name);
                    System.out.println("Id--->"+contactid+"Number--->"+phoneNumber);

                    if (!phoneNumber.contains("*")) {
                        hashMap.put("contactid", "" + contactid);
                        hashMap.put("name", "" + name);
                        hashMap.put("phoneNumber", "" + phoneNumber);
                        hashMap.put("image", "" + image);
                        // hashMap.put("email", ""+email);
                        if (hashMapsArrayList != null) {
                            hashMapsArrayList.add(hashMap);}
//                    hashMapsArrayList.add(hashMap);
                    }
                }

            } while (cursor.moveToNext());


        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (cursor != null) {
                cursor.close();
            }
        }
}
}

试图在我的 Android 应用程序中匹配相应的光标记录

trying to match corresponding Cursor records in my Android App

android

while-loop

android-contacts

android-cursor