![](/img/trans.png)
[英]How to retrieve “ME” contact details coming in Contact list of Android phone
[英]how to show list contact phone in android studio with sdk 27
我有代碼java android studio以顯示hp中的列表聯系人,並且已完成權限,但是在sdk> 27中它不起作用(空白值)有人幫助我嗎? 這是我的代碼
contactModelArrayList = new ArrayList<>();
Cursor phones = getContentResolver().query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
null,
ContactsContract.Contacts.IN_VISIBLE_GROUP + " = '1'",
null,
ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME+" COLLATE LOCALIZED ASC");
while (phones.moveToNext())
{
String name=phones.getString(phones.getColumnIndex(ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME));
String phoneNumber = phones.getString(phones.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
ContactModel contactModel = new ContactModel();
contactModel.setName(name);
contactModel.setNumber(phoneNumber);
contactModelArrayList.add(contactModel);
Log.d("name>>",name+" "+phoneNumber);
}
Log.d("phones", phones.toString());
phones.close();
contactAllAdapter = new ContactAllAdapter(this,contactModelArrayList);
listView.setAdapter(contactAllAdapter);
在logcat中什么也沒有
像這樣創建MyCircleContactListData類
public class MyCircleContactListData {
@SerializedName("name")
@Expose
public String name;
@SerializedName("img_url")
@Expose
public String imgUrl;
@SerializedName("mobile_no")
@Expose
public String mobileNumber;
}
然后使用聯系人列表返回類型方法getContacts創建聯系人訪問 Java類,該方法返回您的聯系人列表。
public class GetContactFromDevice {
private static final String TAG = "GetContactFromDevice";
public ArrayList<MyCircleContactListData> getContacts(Context context) {
ArrayList<MyCircleContactListData> list = new ArrayList<>();
ContentResolver contentResolver = context.getContentResolver();
Cursor cursor = contentResolver.query(ContactsContract.Contacts.CONTENT_URI, null, null, null, null);
if (cursor.getCount() > 0) {
while (cursor.moveToNext()) {
String id = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts._ID));
if (cursor.getInt(cursor.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER)) > 0) {
Cursor cursorInfo = contentResolver.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null,
ContactsContract.CommonDataKinds.Phone.CONTACT_ID + " = ?", new String[]{id}, null);
InputStream inputStream = ContactsContract.Contacts.openContactPhotoInputStream(context.getContentResolver(),
ContentUris.withAppendedId(ContactsContract.Contacts.CONTENT_URI, new Long(id)));
Uri person = ContentUris.withAppendedId(ContactsContract.Contacts.CONTENT_URI, new Long(id));
Uri pURI = Uri.withAppendedPath(person, ContactsContract.Contacts.Photo.CONTENT_DIRECTORY);
Bitmap photo = null;
if (inputStream != null) {
photo = BitmapFactory.decodeStream(inputStream);
}
while (cursorInfo.moveToNext()) {
MyCircleContactListData info = new MyCircleContactListData("", "", "", "", false);
info.name = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
info.mobileNumber = TextUtils.validatePhoneNumber(cursorInfo.getString(cursorInfo.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER)));
info.imgUrl= pURI.toString();
list.add(info);
Log.d("GetContactFromDevice", "getContacts: " + info.name);
Log.d("GetContactFromDevice", "getContacts: " + info.mobileNumber);
}
cursorInfo.close();
}
}
cursor.close();
}
return list;
}
}
不要忘記提供聯系人訪問權限
<uses-permission android:name="android.permission.READ_CONTACTS" />
然后顯示您的聯系人列表。
GetContactFromDevice getContactFromDevice = new GetContactFromDevice();
contactAllAdapter = new ContactAllAdapter(this,getContactFromDevice.getContacts(this));
listView.setAdapter(contactAllAdapter);
您可以嘗試LoaderManager
創建以下字段
private static final int CONTACTS_LOADER_ID = 101;
private static final String[] PROJECTION = {
ContactsContract.Contacts._ID,
ContactsContract.Contacts.DISPLAY_NAME_PRIMARY,
ContactsContract.CommonDataKinds.Phone.NUMBER
};
創建以下課程
public class Contact {
private String id;
private String name;
private String number;
public Contact(String id, String name, String number) {
this.id = id;
this.name = name;
this.number = number;
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getNumber() {
return number;
}
public void setNumber(String number) {
this.number = number;
}
}
[1]創建LoaderManager.LoaderCallback
實例
private LoaderManager.LoaderCallbacks<Cursor> loaderCallbacks = new LoaderManager.LoaderCallbacks<Cursor>() {
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
switch (id) {
case CONTACTS_LOADER_ID:
return new CursorLoader(
getActivity(),
ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
PROJECTION,
null,
null,
ContactsContract.Contacts.DISPLAY_NAME_PRIMARY + " ASC"
);
default:
return null;
}
}
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
switch (loader.getId()) {
case CONTACTS_LOADER_ID:
//Use ContactUtils class here
break;
}
}
@Override
public void onLoaderReset(Loader<Cursor> loader) {
}
};
[2]使用以下類將光標數據轉換為List<Contact>
import android.content.ContentResolver;
import android.database.Cursor;
import android.provider.ContactsContract;
import java.util.ArrayList;
import java.util.List;
public class ContactUtils {
private ContactUtils() {
}
public static List<Contact> parseContacts(Cursor cursor) {
List<Contact> contacts = new ArrayList<>();
if (cursor.getCount() == 0) {
return contacts;
}
int nameColumnIndex = cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME_PRIMARY);
int idColumnIndex = cursor.getColumnIndex(ContactsContract.Contacts._ID);
int numberColumnIndex = cursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER);
while (cursor.moveToNext()) {
String contactName = cursor.getString(nameColumnIndex);
String id = cursor.getString(idColumnIndex);
String number = cursor.getString(numberColumnIndex);
Contact contact = new Contact(id, contactName, number);
if(!isContactAddedInList(contact, contacts)){
contacts.add(contact);
}
}
return contacts;
}
public boolean isContactAddedInList(Contact contact, List<Contact> contacts) {
for (Contact listContact : contacts
) {
if (listContact.number.equals(contact.name)) {
return true;
}
}
return false;
}
}
[3]調用getLoaderManager().initLoader
方法以在Fragment或Activity的onStart
方法中加載聯系人
getLoaderManager().initLoader(CONTACTS_LOADER_ID, null, loaderCallbacks);
<uses-permission android:name="android.permission.READ_CONTACTS" />
權限 getLoaderManager().initLoader
之前要求運行時權限getLoaderManager().initLoader
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.