すべての連絡先を1秒未満で取得し、アクティビティに負荷をかけません。私の手順に従ってください。
ArrayList<Contact> contactList = new ArrayList<>();
private static final String[] PROJECTION = new String[]{
ContactsContract.CommonDataKinds.Phone.CONTACT_ID,
ContactsContract.Contacts.DISPLAY_NAME,
ContactsContract.CommonDataKinds.Phone.NUMBER
};
private void getContactList() {
ContentResolver cr = getContentResolver();
Cursor cursor = cr.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, PROJECTION, null, null, ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME + " ASC");
if (cursor != null) {
HashSet<String> mobileNoSet = new HashSet<String>();
try {
final int nameIndex = cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME);
final int numberIndex = cursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER);
String name, number;
while (cursor.moveToNext()) {
name = cursor.getString(nameIndex);
number = cursor.getString(numberIndex);
number = number.replace(" ", "");
if (!mobileNoSet.contains(number)) {
contactList.add(new Contact(name, number));
mobileNoSet.add(number);
Log.d("hvy", "onCreaterrView Phone Number: name = " + name
+ " No = " + number);
}
}
} finally {
cursor.close();
}
}
}
連絡先
public class Contact {
public String name;
public String phoneNumber;
public Contact() {
}
public Contact(String name, String phoneNumber ) {
this.name = name;
this.phoneNumber = phoneNumber;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getPhoneNumber() {
return phoneNumber;
}
public void setPhoneNumber(String phoneNumber) {
this.phoneNumber = phoneNumber;
}
}
利点
-less than a second
-without load
-ascending order
-without duplicate contacts