Merge "Exit early when phone_lookup returned duplicated results for Preferred SIM"

import android.support.annotation.Nullable;

import android.support.annotation.VisibleForTesting;

import android.support.annotation.WorkerThread;

import android.support.v4.util.ArraySet;

import android.telecom.PhoneAccount;

import android.telecom.PhoneAccountHandle;

import android.telecom.TelecomManager;

import com.google.common.collect.ImmutableSet;

import java.util.ArrayList;

import java.util.List;

import java.util.Set;

/** PreCallAction to select which phone account to call with. Ignored if there's only one account */

@SuppressWarnings("MissingPermission")

        return Optional.absent();

      }

      ImmutableSet<String> validAccountTypes = PreferredAccountUtil.getValidAccountTypes(context);

      Set<String> result = new ArraySet<>();

      String result = null;

      while (cursor.moveToNext()) {

        Optional<String> accountType =

            getAccountType(context.getContentResolver(), cursor.getLong(0));

        if (accountType.isPresent() && validAccountTypes.contains(accountType.get())) {

          result.add(cursor.getString(0));

        } else {

        if (!accountType.isPresent() || !validAccountTypes.contains(accountType.get())) {

          LogUtil.i("CallingAccountSelector.getDataId", "ignoring non-writable " + accountType);

          continue;

        }

      }

      // TODO(twyen): if there are multiples attempt to grab from the contact that initiated the

      // call.

      if (result.size() == 1) {

        return Optional.of(result.iterator().next());

      } else {

        if (result != null && !result.equals(cursor.getString(0))) {

          // TODO(twyen): if there are multiple entries attempt to grab from the contact that

          // initiated the call.

          LogUtil.i("CallingAccountSelector.getDataId", "lookup result not unique, ignoring");

          return Optional.absent();

        }

        result = cursor.getString(0);

      }

      return Optional.fromNullable(result);

    }

  }