我在排序顺序中有一个联系人列表。但在我的联系人列表中,该名称与相同的号码重复。我认为问题是因为联系人列表与不同帐户同步。
我查看哈希地图。但是当我使用哈希映射时,结果没有按名称排序。
private static final String[] PROJECTION = new String[] {
ContactsContract.CommonDataKinds.Phone.CONTACT_ID,
ContactsContract.Contacts.DISPLAY_NAME,
ContactsContract.CommonDataKinds.Phone.NUMBER
};
ContentResolver cr = getContentResolver();
Cursor cursor = cr.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, PROJECTION,
null, null, ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME + " COLLATE NOCASE ASC");
if (cursor != null) {
try {
int nameIndex = cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME);
String nameContact = cursor.getString(nameIndex);
finally {
cursor.close();
}
}
适配器
holder.name.setText(itemListPogo.get(position).getItemName());
任何人都可以帮助避免重复名称。
我会建议你使用我的搜索结束的地方,它会给你最快的结果。
public static List<ContactDTO> getPhone(Context context) {
List<ContactDTO> contactList = new ArrayList<ContactDTO>();
ContentResolver cr = context.getContentResolver();
String[] PROJECTION = new String[] {
ContactsContract.RawContacts._ID,
ContactsContract.Contacts.DISPLAY_NAME,
ContactsContract.CommonDataKinds.Phone.PHOTO_URI,
ContactsContract.CommonDataKinds.Phone.NUMBER,
ContactsContract.CommonDataKinds.Photo.CONTACT_ID };
Uri uri = ContactsContract.CommonDataKinds.Phone.CONTENT_URI;
String filter = ""+ ContactsContract.Contacts.HAS_PHONE_NUMBER + " > 0 and " + Phone.TYPE +"=" + Phone.TYPE_MOBILE;
String order = ContactsContract.Contacts.DISPLAY_NAME + " ASC";// LIMIT " + limit + " offset " + lastId + "";
Cursor phoneCur = cr.query(uri, PROJECTION, filter, null, order);
while(phoneCur.moveToNext()) {
ContactDTO dto = new ContactDTO();
dto.setName("" + phoneCur.getString(phoneCur.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME)));
dto.setMobileNo("" + phoneCur.getString(phoneCur.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER)));
dto.setPhotoUrl("" + phoneCur.getString(phoneCur.getColumnIndex(ContactsContract.CommonDataKinds.Phone.PHOTO_URI)));
dto.setContactId("" + phoneCur.getString(phoneCur.getColumnIndex(ContactsContract.CommonDataKinds.Photo.CONTACT_ID)));
contactList.add(dto);
}
phoneCur.close();
return contactList;
}
其中ContactDTO是Simple POJO类。
您看到重复的联系人,因为他们属于不同的帐户。即如果与Facebook,WhatsApp和Google帐户同步,则相同的号码可以显示3次。你可以在这里找到更多信息Android Account Manager
这是您可以使用列ContactsContract.RawContacts.ACCOUNT_TYPE来过滤和检索仅与单个帐户关联的联系人的方法。
String[] projection = new String[] {
ContactsContract.RawContacts._ID,
ContactsContract.RawContacts.ACCOUNT_TYPE,
ContactsContract.Contacts.DISPLAY_NAME,
ContactsContract.CommonDataKinds.Phone.PHOTO_URI,
ContactsContract.CommonDataKinds.Phone.NUMBER,
ContactsContract.CommonDataKinds.Photo.CONTACT_ID };
String selectionFields = ContactsContract.RawContacts.ACCOUNT_TYPE + " = ?";
String[] selectionArgs = new String[]{"com.google"};
Cursor cursor = getContentResolver().query(
ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
projection,
selectionFields,
selectionArgs,
ContactsContract.Contacts.DISPLAY_NAME
);
在此代码中,仅选择与Google帐户关联的联系人。同样,如果您只想获取WhatsApp联系人列表,可以将“com.google”替换为“com.whatsapp”
我认为问题是因为联系人列表与不同帐户同步。
是的,您的联系人列表同步了多个帐户。您应该使用帐户类型过滤联系人:ContactsContract.CommonDataKinds.Phone.ACCOUNT_TYPE_AND_DATA_SET
。
您可以研究的帐户:https://developer.android.com/reference/android/accounts/AccountManager.html
您可以搜索aggregated
联系人而不是所有RawContacts。这将只给您一个给定名称的联系人(如联系人应用程序中)。示例(更改代码):
private static final String[] PROJECTION = new String[] {
ContactsContract.CommonDataKinds.Phone.CONTACT_ID,
ContactsContract.Contacts.DISPLAY_NAME_PRIMARY, // Honeycomb+ should use this
ContactsContract.CommonDataKinds.Phone.NUMBER
};
ContentResolver cr = getContentResolver();
Cursor cursor = cr.query(
ContactsContract.Contacts.CONTENT_URI,
PROJECTION,
null,
null,
ContactsContract.Contacts.DISPLAY_NAME_PRIMARY + " COLLATE NOCASE ASC");
if (cursor != null) {
try {
int nameIndex = cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME_PRIMARY);
String nameContact = cursor.getString(nameIndex);
finally {
cursor.close();
}
}
资料来源:https://developer.android.com/reference/android/provider/ContactsContract.Contacts.html