@Override
public AccountSet loadInBackground() {
Context context = getContext();
final AccountTypeManager accountTypes = AccountTypeManager.getInstance(context);
final ContentResolver resolver = context.getContentResolver();
final AccountSet accounts = new AccountSet();
for (AccountWithDataSet account : accountTypes.getAccounts(false)) {
final AccountType accountType = accountTypes.getAccountTypeForAccount(account);
if (accountType.isExtension() && !account.hasData(context)) {
// Extension with no data -- skip.
continue;
}
AccountDisplay accountDisplay =
new AccountDisplay(resolver, account.name, account.type, account.dataSet);
final Uri.Builder groupsUri =
Groups.CONTENT_URI
.buildUpon()
.appendQueryParameter(Groups.ACCOUNT_NAME, account.name)
.appendQueryParameter(Groups.ACCOUNT_TYPE, account.type);
if (account.dataSet != null) {
groupsUri.appendQueryParameter(Groups.DATA_SET, account.dataSet).build();
}
final Cursor cursor = resolver.query(groupsUri.build(), null, null, null, null);
if (cursor == null) {
continue;
}
android.content.EntityIterator iterator = ContactsContract.Groups.newEntityIterator(cursor);
try {
boolean hasGroups = false;
// Create entries for each known group
while (iterator.hasNext()) {
final ContentValues values = iterator.next().getEntityValues();
final GroupDelta group = GroupDelta.fromBefore(values);
accountDisplay.addGroup(group);
hasGroups = true;
}
// Create single entry handling ungrouped status
accountDisplay.mUngrouped =
GroupDelta.fromSettings(
resolver, account.name, account.type, account.dataSet, hasGroups);
accountDisplay.addGroup(accountDisplay.mUngrouped);
} finally {
iterator.close();
}
accounts.add(accountDisplay);
}
return accounts;
}
/**
* Create an {@link EntitySet} based on {@link Contacts} specified by the given query parameters.
* This closes the {@link EntityIterator} when finished, so it doesn't subscribe to updates.
*/
public static EntitySet fromQuery(
ContentResolver resolver, String selection, String[] selectionArgs, String sortOrder) {
EntityIterator iterator = null;
final EntitySet state = new EntitySet();
try {
// Perform background query to pull contact details
iterator =
resolver.queryEntities(RawContacts.CONTENT_URI, selection, selectionArgs, sortOrder);
while (iterator.hasNext()) {
// Read all contacts into local deltas to prepare for edits
final Entity before = iterator.next();
final EntityDelta entity = EntityDelta.fromBefore(before);
state.add(entity);
}
} catch (RemoteException e) {
throw new IllegalStateException("Problem querying contact details", e);
} finally {
if (iterator != null) {
iterator.close();
}
}
return state;
}