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diff --git a/java/com/android/dialer/dialpadview/SpecialCharSequenceMgr.java b/java/com/android/dialer/dialpadview/SpecialCharSequenceMgr.java
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+++ b/java/com/android/dialer/dialpadview/SpecialCharSequenceMgr.java
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+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.dialer.dialpadview;
+
+import android.Manifest;
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.DialogFragment;
+import android.app.KeyguardManager;
+import android.app.ProgressDialog;
+import android.content.ActivityNotFoundException;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.database.Cursor;
+import android.net.Uri;
+import android.provider.Settings;
+import android.support.annotation.Nullable;
+import android.telecom.PhoneAccount;
+import android.telecom.PhoneAccountHandle;
+import android.telephony.PhoneNumberUtils;
+import android.telephony.TelephonyManager;
+import android.text.TextUtils;
+import android.view.WindowManager;
+import android.widget.EditText;
+import android.widget.Toast;
+import com.android.common.io.MoreCloseables;
+import com.android.contacts.common.database.NoNullCursorAsyncQueryHandler;
+import com.android.contacts.common.util.ContactDisplayUtils;
+import com.android.contacts.common.widget.SelectPhoneAccountDialogFragment;
+import com.android.contacts.common.widget.SelectPhoneAccountDialogFragment.SelectPhoneAccountListener;
+import com.android.dialer.calllogutils.PhoneAccountUtils;
+import com.android.dialer.common.Assert;
+import com.android.dialer.common.LogUtil;
+import com.android.dialer.compat.telephony.TelephonyManagerCompat;
+import com.android.dialer.oem.MotorolaUtils;
+import com.android.dialer.telecom.TelecomUtil;
+import com.android.dialer.util.PermissionsUtil;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Helper class to listen for some magic character sequences that are handled specially by the
+ * dialer.
+ *
+ * <p>Note the Phone app also handles these sequences too (in a couple of relatively obscure places
+ * in the UI), so there's a separate version of this class under apps/Phone.
+ *
+ * <p>TODO: there's lots of duplicated code between this class and the corresponding class under
+ * apps/Phone. Let's figure out a way to unify these two classes (in the framework? in a common
+ * shared library?)
+ */
+public class SpecialCharSequenceMgr {
+
+  private static final String TAG = "SpecialCharSequenceMgr";
+
+  private static final String TAG_SELECT_ACCT_FRAGMENT = "tag_select_acct_fragment";
+
+  private static final String MMI_IMEI_DISPLAY = "*#06#";
+  private static final String MMI_REGULATORY_INFO_DISPLAY = "*#07#";
+  /** ***** This code is used to handle SIM Contact queries ***** */
+  private static final String ADN_PHONE_NUMBER_COLUMN_NAME = "number";
+
+  private static final String ADN_NAME_COLUMN_NAME = "name";
+  private static final int ADN_QUERY_TOKEN = -1;
+  /**
+   * Remembers the previous {@link QueryHandler} and cancel the operation when needed, to prevent
+   * possible crash.
+   *
+   * <p>QueryHandler may call {@link ProgressDialog#dismiss()} when the screen is already gone,
+   * which will cause the app crash. This variable enables the class to prevent the crash on {@link
+   * #cleanup()}.
+   *
+   * <p>TODO: Remove this and replace it (and {@link #cleanup()}) with better implementation. One
+   * complication is that we have SpecialCharSequenceMgr in Phone package too, which has *slightly*
+   * different implementation. Note that Phone package doesn't have this problem, so the class on
+   * Phone side doesn't have this functionality. Fundamental fix would be to have one shared
+   * implementation and resolve this corner case more gracefully.
+   */
+  private static QueryHandler sPreviousAdnQueryHandler;
+
+  /** This class is never instantiated. */
+  private SpecialCharSequenceMgr() {}
+
+  public static boolean handleChars(Context context, String input, EditText textField) {
+    // get rid of the separators so that the string gets parsed correctly
+    String dialString = PhoneNumberUtils.stripSeparators(input);
+
+    if (handleDeviceIdDisplay(context, dialString)
+        || handleRegulatoryInfoDisplay(context, dialString)
+        || handlePinEntry(context, dialString)
+        || handleAdnEntry(context, dialString, textField)
+        || handleSecretCode(context, dialString)) {
+      return true;
+    }
+
+    if (MotorolaUtils.handleSpecialCharSequence(context, input)) {
+      return true;
+    }
+
+    return false;
+  }
+
+  /**
+   * Cleanup everything around this class. Must be run inside the main thread.
+   *
+   * <p>This should be called when the screen becomes background.
+   */
+  public static void cleanup() {
+    Assert.isMainThread();
+
+    if (sPreviousAdnQueryHandler != null) {
+      sPreviousAdnQueryHandler.cancel();
+      sPreviousAdnQueryHandler = null;
+    }
+  }
+
+  /**
+   * Handles secret codes to launch arbitrary activities in the form of *#*#<code>#*#*.
+   *
+   * @param context the context to use
+   * @param input the text to check for a secret code in
+   * @return true if a secret code was encountered and handled
+   */
+  static boolean handleSecretCode(Context context, String input) {
+    // Secret codes are accessed by dialing *#*#<code>#*#*
+
+    int len = input.length();
+    if (len <= 8 || !input.startsWith("*#*#") || !input.endsWith("#*#*")) {
+      return false;
+    }
+    String secretCode = input.substring(4, len - 4);
+    TelephonyManagerCompat.handleSecretCode(context, secretCode);
+    return true;
+  }
+
+  /**
+   * Handle ADN requests by filling in the SIM contact number into the requested EditText.
+   *
+   * <p>This code works alongside the Asynchronous query handler {@link QueryHandler} and query
+   * cancel handler implemented in {@link SimContactQueryCookie}.
+   */
+  static boolean handleAdnEntry(Context context, String input, EditText textField) {
+    /* ADN entries are of the form "N(N)(N)#" */
+    TelephonyManager telephonyManager =
+        (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
+    if (telephonyManager == null
+        || telephonyManager.getPhoneType() != TelephonyManager.PHONE_TYPE_GSM) {
+      return false;
+    }
+
+    // if the phone is keyguard-restricted, then just ignore this
+    // input.  We want to make sure that sim card contacts are NOT
+    // exposed unless the phone is unlocked, and this code can be
+    // accessed from the emergency dialer.
+    KeyguardManager keyguardManager =
+        (KeyguardManager) context.getSystemService(Context.KEYGUARD_SERVICE);
+    if (keyguardManager.inKeyguardRestrictedInputMode()) {
+      return false;
+    }
+
+    int len = input.length();
+    if ((len > 1) && (len < 5) && (input.endsWith("#"))) {
+      try {
+        // get the ordinal number of the sim contact
+        final int index = Integer.parseInt(input.substring(0, len - 1));
+
+        // The original code that navigated to a SIM Contacts list view did not
+        // highlight the requested contact correctly, a requirement for PTCRB
+        // certification.  This behaviour is consistent with the UI paradigm
+        // for touch-enabled lists, so it does not make sense to try to work
+        // around it.  Instead we fill in the the requested phone number into
+        // the dialer text field.
+
+        // create the async query handler
+        final QueryHandler handler = new QueryHandler(context.getContentResolver());
+
+        // create the cookie object
+        final SimContactQueryCookie sc =
+            new SimContactQueryCookie(index - 1, handler, ADN_QUERY_TOKEN);
+
+        // setup the cookie fields
+        sc.contactNum = index - 1;
+        sc.setTextField(textField);
+
+        // create the progress dialog
+        sc.progressDialog = new ProgressDialog(context);
+        sc.progressDialog.setTitle(R.string.simContacts_title);
+        sc.progressDialog.setMessage(context.getText(R.string.simContacts_emptyLoading));
+        sc.progressDialog.setIndeterminate(true);
+        sc.progressDialog.setCancelable(true);
+        sc.progressDialog.setOnCancelListener(sc);
+        sc.progressDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND);
+
+        List<PhoneAccountHandle> subscriptionAccountHandles =
+            PhoneAccountUtils.getSubscriptionPhoneAccounts(context);
+        Context applicationContext = context.getApplicationContext();
+        boolean hasUserSelectedDefault =
+            subscriptionAccountHandles.contains(
+                TelecomUtil.getDefaultOutgoingPhoneAccount(
+                    applicationContext, PhoneAccount.SCHEME_TEL));
+
+        if (subscriptionAccountHandles.size() <= 1 || hasUserSelectedDefault) {
+          Uri uri = TelecomUtil.getAdnUriForPhoneAccount(applicationContext, null);
+          handleAdnQuery(handler, sc, uri);
+        } else {
+          SelectPhoneAccountListener callback =
+              new HandleAdnEntryAccountSelectedCallback(applicationContext, handler, sc);
+
+          DialogFragment dialogFragment =
+              SelectPhoneAccountDialogFragment.newInstance(
+                  subscriptionAccountHandles, callback, null);
+          dialogFragment.show(((Activity) context).getFragmentManager(), TAG_SELECT_ACCT_FRAGMENT);
+        }
+
+        return true;
+      } catch (NumberFormatException ex) {
+        // Ignore
+      }
+    }
+    return false;
+  }
+
+  private static void handleAdnQuery(QueryHandler handler, SimContactQueryCookie cookie, Uri uri) {
+    if (handler == null || cookie == null || uri == null) {
+      LogUtil.w("SpecialCharSequenceMgr.handleAdnQuery", "queryAdn parameters incorrect");
+      return;
+    }
+
+    // display the progress dialog
+    cookie.progressDialog.show();
+
+    // run the query.
+    handler.startQuery(
+        ADN_QUERY_TOKEN,
+        cookie,
+        uri,
+        new String[] {ADN_PHONE_NUMBER_COLUMN_NAME},
+        null,
+        null,
+        null);
+
+    if (sPreviousAdnQueryHandler != null) {
+      // It is harmless to call cancel() even after the handler's gone.
+      sPreviousAdnQueryHandler.cancel();
+    }
+    sPreviousAdnQueryHandler = handler;
+  }
+
+  static boolean handlePinEntry(final Context context, final String input) {
+    if ((input.startsWith("**04") || input.startsWith("**05")) && input.endsWith("#")) {
+      List<PhoneAccountHandle> subscriptionAccountHandles =
+          PhoneAccountUtils.getSubscriptionPhoneAccounts(context);
+      boolean hasUserSelectedDefault =
+          subscriptionAccountHandles.contains(
+              TelecomUtil.getDefaultOutgoingPhoneAccount(context, PhoneAccount.SCHEME_TEL));
+
+      if (subscriptionAccountHandles.size() <= 1 || hasUserSelectedDefault) {
+        // Don't bring up the dialog for single-SIM or if the default outgoing account is
+        // a subscription account.
+        return TelecomUtil.handleMmi(context, input, null);
+      } else {
+        SelectPhoneAccountListener listener = new HandleMmiAccountSelectedCallback(context, input);
+
+        DialogFragment dialogFragment =
+            SelectPhoneAccountDialogFragment.newInstance(
+                subscriptionAccountHandles, listener, null);
+        dialogFragment.show(((Activity) context).getFragmentManager(), TAG_SELECT_ACCT_FRAGMENT);
+      }
+      return true;
+    }
+    return false;
+  }
+
+  // TODO: Use TelephonyCapabilities.getDeviceIdLabel() to get the device id label instead of a
+  // hard-coded string.
+  static boolean handleDeviceIdDisplay(Context context, String input) {
+    if (!PermissionsUtil.hasPermission(context, Manifest.permission.READ_PHONE_STATE)) {
+      return false;
+    }
+    TelephonyManager telephonyManager =
+        (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
+
+    if (telephonyManager != null && input.equals(MMI_IMEI_DISPLAY)) {
+      int labelResId =
+          (telephonyManager.getPhoneType() == TelephonyManager.PHONE_TYPE_GSM)
+              ? R.string.imei
+              : R.string.meid;
+
+      List<String> deviceIds = new ArrayList<String>();
+      if (TelephonyManagerCompat.getPhoneCount(telephonyManager) > 1) {
+        for (int slot = 0; slot < telephonyManager.getPhoneCount(); slot++) {
+          String deviceId = telephonyManager.getDeviceId(slot);
+          if (!TextUtils.isEmpty(deviceId)) {
+            deviceIds.add(deviceId);
+          }
+        }
+      } else {
+        deviceIds.add(telephonyManager.getDeviceId());
+      }
+
+      new AlertDialog.Builder(context)
+          .setTitle(labelResId)
+          .setItems(deviceIds.toArray(new String[deviceIds.size()]), null)
+          .setPositiveButton(android.R.string.ok, null)
+          .setCancelable(false)
+          .show();
+      return true;
+    }
+    return false;
+  }
+
+  private static boolean handleRegulatoryInfoDisplay(Context context, String input) {
+    if (input.equals(MMI_REGULATORY_INFO_DISPLAY)) {
+      LogUtil.i(
+          "SpecialCharSequenceMgr.handleRegulatoryInfoDisplay", "sending intent to settings app");
+      Intent showRegInfoIntent = new Intent(Settings.ACTION_SHOW_REGULATORY_INFO);
+      try {
+        context.startActivity(showRegInfoIntent);
+      } catch (ActivityNotFoundException e) {
+        LogUtil.e(
+            "SpecialCharSequenceMgr.handleRegulatoryInfoDisplay", "startActivity() failed: ", e);
+      }
+      return true;
+    }
+    return false;
+  }
+
+  public static class HandleAdnEntryAccountSelectedCallback extends SelectPhoneAccountListener {
+
+    private final Context mContext;
+    private final QueryHandler mQueryHandler;
+    private final SimContactQueryCookie mCookie;
+
+    public HandleAdnEntryAccountSelectedCallback(
+        Context context, QueryHandler queryHandler, SimContactQueryCookie cookie) {
+      mContext = context;
+      mQueryHandler = queryHandler;
+      mCookie = cookie;
+    }
+
+    @Override
+    public void onPhoneAccountSelected(
+        PhoneAccountHandle selectedAccountHandle, boolean setDefault, @Nullable String callId) {
+      Uri uri = TelecomUtil.getAdnUriForPhoneAccount(mContext, selectedAccountHandle);
+      handleAdnQuery(mQueryHandler, mCookie, uri);
+      // TODO: Show error dialog if result isn't valid.
+    }
+  }
+
+  public static class HandleMmiAccountSelectedCallback extends SelectPhoneAccountListener {
+
+    private final Context mContext;
+    private final String mInput;
+
+    public HandleMmiAccountSelectedCallback(Context context, String input) {
+      mContext = context.getApplicationContext();
+      mInput = input;
+    }
+
+    @Override
+    public void onPhoneAccountSelected(
+        PhoneAccountHandle selectedAccountHandle, boolean setDefault, @Nullable String callId) {
+      TelecomUtil.handleMmi(mContext, mInput, selectedAccountHandle);
+    }
+  }
+
+  /**
+   * Cookie object that contains everything we need to communicate to the handler's onQuery
+   * Complete, as well as what we need in order to cancel the query (if requested).
+   *
+   * <p>Note, access to the textField field is going to be synchronized, because the user can
+   * request a cancel at any time through the UI.
+   */
+  private static class SimContactQueryCookie implements DialogInterface.OnCancelListener {
+
+    public ProgressDialog progressDialog;
+    public int contactNum;
+
+    // Used to identify the query request.
+    private int mToken;
+    private QueryHandler mHandler;
+
+    // The text field we're going to update
+    private EditText textField;
+
+    public SimContactQueryCookie(int number, QueryHandler handler, int token) {
+      contactNum = number;
+      mHandler = handler;
+      mToken = token;
+    }
+
+    /** Synchronized getter for the EditText. */
+    public synchronized EditText getTextField() {
+      return textField;
+    }
+
+    /** Synchronized setter for the EditText. */
+    public synchronized void setTextField(EditText text) {
+      textField = text;
+    }
+
+    /**
+     * Cancel the ADN query by stopping the operation and signaling the cookie that a cancel request
+     * is made.
+     */
+    @Override
+    public synchronized void onCancel(DialogInterface dialog) {
+      // close the progress dialog
+      if (progressDialog != null) {
+        progressDialog.dismiss();
+      }
+
+      // setting the textfield to null ensures that the UI does NOT get
+      // updated.
+      textField = null;
+
+      // Cancel the operation if possible.
+      mHandler.cancelOperation(mToken);
+    }
+  }
+
+  /**
+   * Asynchronous query handler that services requests to look up ADNs
+   *
+   * <p>Queries originate from {@link #handleAdnEntry}.
+   */
+  private static class QueryHandler extends NoNullCursorAsyncQueryHandler {
+
+    private boolean mCanceled;
+
+    public QueryHandler(ContentResolver cr) {
+      super(cr);
+    }
+
+    /** Override basic onQueryComplete to fill in the textfield when we're handed the ADN cursor. */
+    @Override
+    protected void onNotNullableQueryComplete(int token, Object cookie, Cursor c) {
+      try {
+        sPreviousAdnQueryHandler = null;
+        if (mCanceled) {
+          return;
+        }
+
+        SimContactQueryCookie sc = (SimContactQueryCookie) cookie;
+
+        // close the progress dialog.
+        sc.progressDialog.dismiss();
+
+        // get the EditText to update or see if the request was cancelled.
+        EditText text = sc.getTextField();
+
+        // if the TextView is valid, and the cursor is valid and positionable on the
+        // Nth number, then we update the text field and display a toast indicating the
+        // caller name.
+        if ((c != null) && (text != null) && (c.moveToPosition(sc.contactNum))) {
+          String name = c.getString(c.getColumnIndexOrThrow(ADN_NAME_COLUMN_NAME));
+          String number = c.getString(c.getColumnIndexOrThrow(ADN_PHONE_NUMBER_COLUMN_NAME));
+
+          // fill the text in.
+          text.getText().replace(0, 0, number);
+
+          // display the name as a toast
+          Context context = sc.progressDialog.getContext();
+          CharSequence msg =
+              ContactDisplayUtils.getTtsSpannedPhoneNumber(
+                  context.getResources(), R.string.menu_callNumber, name);
+          Toast.makeText(context, msg, Toast.LENGTH_SHORT).show();
+        }
+      } finally {
+        MoreCloseables.closeQuietly(c);
+      }
+    }
+
+    public void cancel() {
+      mCanceled = true;
+      // Ask AsyncQueryHandler to cancel the whole request. This will fail when the query is
+      // already started.
+      cancelOperation(ADN_QUERY_TOKEN);
+    }
+  }
+}