[移动开发]Android获取通讯录好友

需要读取通讯录权限

<uses-permission android:name="android.permission.READ_CONTACTS"/>

public ArrayList<MyContacts> getAllContacts() {
        ArrayList<MyContacts> contacts = new ArrayList<MyContacts>();
        Cursor cursor = getContentResolver().query(
                ContactsContract.Contacts.CONTENT_URI, null, null, null, null);
        while (cursor.moveToNext()) {
            //新建一个联系人实例
            MyContacts temp = new MyContacts();
            String contactId = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts._ID));
            //获取联系人姓名
            String name = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
            temp.setName(name);
            temp.setUserId(contactId);

            //获取联系人电话号码
            Cursor phoneCursor = getContentResolver().query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
                    null, ContactsContract.CommonDataKinds.Phone.CONTACT_ID + "=" + contactId, null, null);
            while (phoneCursor.moveToNext()) {
                String phone = phoneCursor.getString(phoneCursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
                phone = phone.replace("-", "");
                phone = phone.replace(" ", "");
                temp.setNumber(phone);
            }

            //获取联系人备注信息
            Cursor noteCursor = getContentResolver().query(
                    ContactsContract.Data.CONTENT_URI,
                    new String[]{ContactsContract.Data._ID, ContactsContract.CommonDataKinds.Nickname.NAME},
                    ContactsContract.Data.CONTACT_ID + "=?" + " AND " + ContactsContract.Data.MIMETYPE + "='"
                            + ContactsContract.CommonDataKinds.Nickname.CONTENT_ITEM_TYPE + "'",
                    new String[]{contactId}, null);
            if (noteCursor.moveToFirst()) {
                do {
                    String note = noteCursor.getString(noteCursor
                            .getColumnIndex(ContactsContract.CommonDataKinds.Nickname.NAME));
//                    temp.note = note;
                    Log.i("note:", note);
                } while (noteCursor.moveToNext());
            }
            contacts.add(temp);
            //记得要把cursor给close掉
            phoneCursor.close();
            noteCursor.close();
        }
        cursor.close();
        return contacts;
    }

  ArrayList<MyContacts> allContacts = getAllContacts();
        for (int i = 0; i < allContacts.size(); i++) {
            System.out.println(" 通讯录好友id  "allContacts.get(i).getUserId()+"  name  "+allContacts.get(i).getName()+"  number  "+allContacts.get(i).getNumber());
        }

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