Undo CAF Dialer IMS conference changes

* This causes weirdness with the FAB in dialtacts. Get rid of it.
* Squash of the following

Revert "IMS: Enable entry 4G conference call in Dialer"

This reverts commit 76c9726e48ccbbcb5780ab076b7c54aadcdc621b.

Change-Id: Ic326c817496294a9350c767f5ae3e83d817edd18

Revert "IMS: Fix empty URI list dial after add participant."

This reverts commit daba64924bbea8a0eb49723d69c1178a7c2ef0f2.

Revert "IMS: Fix Edit before call option not working issue"

This reverts commit 2fec8e35dabf931fc349f7d594c5560fbf35bcc5.

Revert "IMS: Fix to remove unwanted group conference icon."

This reverts commit d3bbfca9fa5db701f719618d9314625626f504db.

Revert "Dialer app changes for IMS"

This reverts commit 8ea43d354391cd7c75dd361a316e5936e1e1db96.

Change-Id: I187d935394e9a935d199b66b28910a38a248b535

2 files changed, 29 insertions, 262 deletions

diff --git a/src/com/android/dialer/DialtactsActivity.java b/src/com/android/dialer/DialtactsActivity.java
index a62b5f0aa..e5ea9349e 100644
--- a/src/com/android/dialer/DialtactsActivity.java
+++ b/src/com/android/dialer/DialtactsActivity.java
@@ -62,7 +62,6 @@ import android.widget.ImageButton;
 import android.widget.PopupMenu;
 import android.widget.Toast;
 
-import com.android.contacts.common.CallUtil;
 import com.android.contacts.common.activity.TransactionSafeActivity;
 import com.android.contacts.common.dialog.ClearFrequentsDialog;
 import com.android.contacts.common.interactions.ImportExportDialogFragment;
@@ -96,7 +95,6 @@ import com.android.dialer.widget.SearchEditTextLayout.Callback;
 import com.android.dialerbind.DatabaseHelperManager;
 import com.android.phone.common.animation.AnimUtils;
 import com.android.phone.common.util.SettingsUtil;
-import com.android.ims.ImsManager;
 import com.android.phone.common.animation.AnimationListenerAdapter;
 
 import junit.framework.Assert;
@@ -170,8 +168,6 @@ public class DialtactsActivity extends TransactionSafeActivity implements View.O
      */
     private SmartDialSearchFragment mSmartDialSearchFragment;
 
-    private boolean mDialConferenceButtonPressed = false;
-
     /**
      * Animation that slides in.
      */
@@ -240,16 +236,13 @@ public class DialtactsActivity extends TransactionSafeActivity implements View.O
     private PopupMenu mOverflowMenu;
     private EditText mSearchView;
     private View mVoiceSearchButton;
-    private View mDialCallButton;
 
     private String mSearchQuery;
 
     private DialerDatabaseHelper mDialerDatabaseHelper;
     private DragDropController mDragDropController;
     private ActionBarController mActionBarController;
-    private ImageButton mFloatingActionButton;
 
-    private ImageButton mConferenceDialButton;
     private FloatingActionButtonController mFloatingActionButtonController;
 
     private int mActionBarHeight;
@@ -280,8 +273,6 @@ public class DialtactsActivity extends TransactionSafeActivity implements View.O
 
             menu.findItem(R.id.menu_history).setVisible(
                     PermissionsUtil.hasPhonePermissions(DialtactsActivity.this));
-            final MenuItem ConferDialerOption = menu.findItem(R.id.menu_4g_conference_call);
-            ConferDialerOption.setVisible(CallUtil.isConferDialerEnabled(getApplicationContext()));
             super.show();
         }
     }
@@ -442,13 +433,10 @@ public class DialtactsActivity extends TransactionSafeActivity implements View.O
 
         final View floatingActionButtonContainer = findViewById(
                 R.id.floating_action_button_container);
-        mFloatingActionButton = (ImageButton) findViewById(R.id.floating_action_button);
-        mDialCallButton =  findViewById(R.id.floating_action_button);
-        mFloatingActionButton.setOnClickListener(this);
-        mConferenceDialButton = (ImageButton) findViewById(R.id.dialConferenceButton);
-        mConferenceDialButton.setOnClickListener(this);
+        ImageButton floatingActionButton = (ImageButton) findViewById(R.id.floating_action_button);
+        floatingActionButton.setOnClickListener(this);
         mFloatingActionButtonController = new FloatingActionButtonController(this,
-                floatingActionButtonContainer,mFloatingActionButton);
+                floatingActionButtonContainer, floatingActionButton);
 
         ImageButton optionsMenuButton =
                 (ImageButton) searchEditTextLayout.findViewById(R.id.dialtacts_options_menu_button);
@@ -461,7 +449,6 @@ public class DialtactsActivity extends TransactionSafeActivity implements View.O
         if (savedInstanceState == null) {
             getFragmentManager().beginTransaction()
                     .add(R.id.dialtacts_frame, new ListsFragment(), TAG_FAVORITES_FRAGMENT)
-                    .add(R.id.dialtacts_container, new DialpadFragment(), TAG_DIALPAD_FRAGMENT)
                     .commit();
         } else {
             mSearchQuery = savedInstanceState.getString(KEY_SEARCH_QUERY);
@@ -579,8 +566,6 @@ public class DialtactsActivity extends TransactionSafeActivity implements View.O
         prepareVoiceSearchButton();
         mDialerDatabaseHelper.startSmartDialUpdateThread();
         mFloatingActionButtonController.align(getFabAlignment(), false /* animate */);
-        setConferenceDialButtonImage(false);
-        setConferenceDialButtonVisibility(true);
 
         if (getIntent().hasExtra(EXTRA_SHOW_TAB)) {
             int index = getIntent().getIntExtra(EXTRA_SHOW_TAB, ListsFragment.TAB_INDEX_SPEED_DIAL);
@@ -654,10 +639,6 @@ public class DialtactsActivity extends TransactionSafeActivity implements View.O
     public void onClick(View view) {
         switch (view.getId()) {
             case R.id.floating_action_button:
-                mDialConferenceButtonPressed = false;
-                if (mDialpadFragment != null) {
-                    mDialpadFragment.showDialConference(false);
-                }
                 if (mListsFragment.getCurrentTabIndex()
                         == ListsFragment.TAB_INDEX_ALL_CONTACTS && !mInRegularSearch) {
                     DialerUtils.startActivityWithErrorToast(
@@ -667,25 +648,8 @@ public class DialtactsActivity extends TransactionSafeActivity implements View.O
                 } else if (!mIsDialpadShown) {
                     mInCallDialpadUp = false;
                     showDialpadFragment(true);
-                    mFloatingActionButton.setImageResource(R.drawable.fab_ic_call);
-                    mFloatingActionButton.setVisibility(view.VISIBLE);
-                    setConferenceDialButtonImage(false);
-                    setConferenceDialButtonVisibility(true);
-                } else {
-                    // Dial button was pressed; tell the Dialpad fragment
-                    mDialpadFragment.dialButtonPressed();
                 }
                 break;
-            case R.id.dialConferenceButton:
-                mDialConferenceButtonPressed = true;
-                showDialpadFragment(true);
-                mIsDialpadShown = false;
-                mDialCallButton.setVisibility(view.VISIBLE);
-                mDialpadFragment.dialConferenceButtonPressed();
-                mFloatingActionButton.setImageResource(R.drawable.fab_ic_dial);
-                mFloatingActionButtonController.align(getFabAlignment(), true);
-                mFloatingActionButton.setVisibility(view.VISIBLE);
-            break;
             case R.id.voice_search_button:
                 try {
                     startActivityForResult(new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH),
@@ -708,9 +672,6 @@ public class DialtactsActivity extends TransactionSafeActivity implements View.O
     @Override
     public boolean onMenuItemClick(MenuItem item) {
         switch (item.getItemId()) {
-            case R.id.menu_4g_conference_call:
-                this.startActivity(CallUtil.getConferenceDialerIntent(null));
-                break;
             case R.id.menu_history:
                 // Use explicit CallLogActivity intent instead of ACTION_VIEW +
                 // CONTENT_TYPE, so that we always open our call log from our dialer
@@ -792,7 +753,6 @@ public class DialtactsActivity extends TransactionSafeActivity implements View.O
             maybeEnterSearchUi();
         }
         mActionBarController.onDialpadUp();
-        setConferenceDialButtonVisibility(animate);
 
         mListsFragment.getView().animate().alpha(0).withLayer();
     }
@@ -802,13 +762,6 @@ public class DialtactsActivity extends TransactionSafeActivity implements View.O
      */
     public void onDialpadShown() {
         Assert.assertNotNull(mDialpadFragment);
-        if (mDialConferenceButtonPressed || !mIsDialpadShown) {
-            mFloatingActionButton.setImageResource(R.drawable.fab_ic_dial);
-            mDialConferenceButtonPressed = false;
-        } else {
-            mFloatingActionButton.setImageResource(R.drawable.fab_ic_call);
-        }
-        mFloatingActionButtonController.align(getFabAlignment(), mDialpadFragment.getAnimate());
         if (mDialpadFragment.getAnimate()) {
             mDialpadFragment.getView().startAnimation(mSlideIn);
         } else {
@@ -830,8 +783,7 @@ public class DialtactsActivity extends TransactionSafeActivity implements View.O
         if (clearDialpad) {
             mDialpadFragment.clearDialpad();
         }
-        if (!mIsDialpadShown && !mDialpadFragment.isRecipientsShown()) {
-            mFloatingActionButtonController.align(getFabAlignment(), animate);
+        if (!mIsDialpadShown) {
             return;
         }
         mIsDialpadShown = false;
@@ -840,7 +792,6 @@ public class DialtactsActivity extends TransactionSafeActivity implements View.O
         mListsFragment.sendScreenViewForCurrentPosition();
 
         updateSearchFragmentPosition();
-        mFloatingActionButton.setImageResource(R.drawable.fab_ic_dial);
 
         mFloatingActionButtonController.align(getFabAlignment(), animate);
         if (animate) {
@@ -861,7 +812,7 @@ public class DialtactsActivity extends TransactionSafeActivity implements View.O
     /**
      * Finishes hiding the dialpad fragment after any animations are completed.
      */
-    public void commitDialpadFragmentHide() {
+    private void commitDialpadFragmentHide() {
         if (!mStateSaved && mDialpadFragment != null && !mDialpadFragment.isHidden()) {
             final FragmentTransaction ft = getFragmentManager().beginTransaction();
             ft.hide(mDialpadFragment);
@@ -1140,14 +1091,7 @@ public class DialtactsActivity extends TransactionSafeActivity implements View.O
         if (mStateSaved) {
             return;
         }
-        setConferenceDialButtonImage(false);
-        setConferenceDialButtonVisibility(true);
-        boolean mIsRecipientsShown = mDialpadFragment.isRecipientsShown();
-        if(mIsRecipientsShown) {
-            mDialpadFragment.hideAndClearDialConference();
-        }
-
-        if (mIsDialpadShown || mIsRecipientsShown) {
+        if (mIsDialpadShown) {
             if (TextUtils.isEmpty(mSearchQuery) ||
                     (mSmartDialSearchFragment != null && mSmartDialSearchFragment.isVisible()
                             && mSmartDialSearchFragment.getAdapter().getCount() == 0)) {
@@ -1248,35 +1192,6 @@ public class DialtactsActivity extends TransactionSafeActivity implements View.O
         // interactions with the ListsFragments.
     }
 
-    @Override
-    public void setConferenceDialButtonVisibility(boolean enabled) {
-        boolean imsUseEnabled =
-                ImsManager.isVolteEnabledByPlatform(this) &&
-                ImsManager.isEnhanced4gLteModeSettingEnabledByUser(this);
-        if(mConferenceDialButton != null) {
-            boolean isCurrentTabAllContacts = (mListsFragment != null) &&
-                    (mListsFragment.getCurrentTabIndex() == ListsFragment.TAB_INDEX_ALL_CONTACTS);
-            mConferenceDialButton.setVisibility((enabled && imsUseEnabled &&
-                    !isCurrentTabAllContacts) ? View.VISIBLE : View.GONE);
-        }
-    }
-
-    @Override
-    public void setConferenceDialButtonImage(boolean setAddParticipantButton) {
-        if(mConferenceDialButton != null) {
-            /*
-             * If dial conference view is shown, button should show dialpad
-             * image. Pressing the button again will return to normal dialpad
-             * view. If normal dialpad view is shown, button should show dial
-             * conference image. Pressing the button again will show dial
-             * conference view
-             */
-            mConferenceDialButton
-                    .setImageResource(setAddParticipantButton ? R.drawable.fab_ic_call
-                            : R.drawable.ic_add_group_holo_dark);
-        }
-    }
-
     private boolean phoneIsInUse() {
         return getTelecomManager().isInCall();
     }
@@ -1398,12 +1313,10 @@ public class DialtactsActivity extends TransactionSafeActivity implements View.O
     public void onPageSelected(int position) {
         int tabIndex = mListsFragment.getCurrentTabIndex();
         if (tabIndex == ListsFragment.TAB_INDEX_ALL_CONTACTS) {
-            setConferenceDialButtonVisibility(false);
             mFloatingActionButtonController.changeIcon(
                     getResources().getDrawable(R.drawable.ic_person_add_24dp),
                     getResources().getString(R.string.search_shortcut_create_new_contact));
         } else {
-            setConferenceDialButtonVisibility(true);
             mFloatingActionButtonController.changeIcon(
                     getResources().getDrawable(R.drawable.fab_ic_dial),
                     getResources().getString(R.string.action_menu_dialpad_button));
diff --git a/src/com/android/dialer/dialpad/DialpadFragment.java b/src/com/android/dialer/dialpad/DialpadFragment.java
index eb6ad0341..b8c09fac1 100644
--- a/src/com/android/dialer/dialpad/DialpadFragment.java
+++ b/src/com/android/dialer/dialpad/DialpadFragment.java
@@ -146,20 +146,6 @@ public class DialpadFragment extends Fragment
          * be dismissed, unless there happens to be content showing.
          */
         boolean onDialpadSpacerTouchWithEmptyQuery();
-
-        /**
-         * This interface allows the DialpadFragment to tell its hosting Activity when and when not
-         * to display the "dial" button. While this is logically part of the DialpadFragment, the
-         * need to have a particular kind of slick animation puts the "dial" button in the parent.
-         *
-         * The parent calls dialButtonPressed() and optionsMenuInvoked() on the dialpad fragment
-         * when appropriate.
-         *
-         * TODO: Refactor the app so this interchange is a bit cleaner.
-         */
-        void setConferenceDialButtonVisibility(boolean enabled);
-        void setConferenceDialButtonImage(boolean setAddParticipantButton);
-
     }
 
     private static final boolean DEBUG = DialtactsActivity.DEBUG;
@@ -186,9 +172,6 @@ public class DialpadFragment extends Fragment
 
     private DialpadView mDialpadView;
     private EditText mDigits;
-    private EditText mRecipients;
-    private View mDigitsContainer;
-    private View mDialpad;
     private int mDialpadSlideInDuration;
 
     /** Remembers if we need to clear digits field when the screen is completely gone. */
@@ -230,13 +213,6 @@ public class DialpadFragment extends Fragment
     /** Identifier for the "Add Call" intent extra. */
     private static final String ADD_CALL_MODE_KEY = "add_call_mode";
 
-    /** Identifier for the "Add Participant" intent extra. */
-    private static final String ADD_PARTICIPANT_KEY = "add_participant";
-
-    private static final String EXTRA_DIAL_CONFERENCE_URI = "org.codeaurora.extra.DIAL_CONFERENCE_URI";
-
-    private boolean mAddParticipant = false;
-
     /**
      * Identifier for intent extra for sending an empty Flash message for
      * CDMA networks. This message is used by the network to simulate a
@@ -276,12 +252,6 @@ public class DialpadFragment extends Fragment
                 // onscreen, but useless...)
                 showDialpadChooser(false);
             }
-            if (state == TelephonyManager.EXTRA_STATE_IDLE) {
-                final Activity activity = getActivity();
-                if (activity != null) {
-                    ((HostInterface) activity).setConferenceDialButtonVisibility(true);
-                }
-            }
         }
     }
 
@@ -393,13 +363,6 @@ public class DialpadFragment extends Fragment
         mDialpadView = (DialpadView) fragmentView.findViewById(R.id.dialpad_view);
         mDialpadView.setCanDigitsBeEdited(true);
         mDigits = mDialpadView.getDigits();
-        mRecipients = (EditText) fragmentView.findViewById(R.id.recipients);
-        mDigitsContainer = fragmentView.findViewById(R.id.digits_container);
-        mDialpad = fragmentView.findViewById(R.id.dialpad);
-        if (mRecipients != null) {
-            mRecipients.setVisibility(View.GONE);
-            mRecipients.addTextChangedListener(this);
-        }
         mDigits.setKeyListener(UnicodeDialerKeyListener.INSTANCE);
         mDigits.setOnClickListener(this);
         mDigits.setOnKeyListener(this);
@@ -578,9 +541,6 @@ public class DialpadFragment extends Fragment
                 }
 
             }
-        } else {
-            mAddParticipant = intent.getBooleanExtra(ADD_PARTICIPANT_KEY, false);
-            ((HostInterface) getActivity()).setConferenceDialButtonVisibility(true);
         }
         showDialpadChooser(needToShowDialpadChooser);
         setStartedFromNewIntent(false);
@@ -931,10 +891,6 @@ public class DialpadFragment extends Fragment
             public void show() {
                 final Menu menu = getMenu();
 
-                final MenuItem ConferDialerOption
-                        = menu.findItem(R.id.menu_add_to_4g_conference_call);
-                ConferDialerOption.setVisible(CallUtil.isConferDialerEnabled(getActivity()));
-
                 boolean enable = !isDigitsEmpty();
                 for (int i = 0; i < menu.size(); i++) {
                     MenuItem item = menu.getItem(i);
@@ -951,79 +907,6 @@ public class DialpadFragment extends Fragment
         return popupMenu;
     }
 
-    /**
-     * Called by the containing Activity to tell this Fragment that the dial button has been
-     * pressed.
-     */
-    public void dialButtonPressed() {
-        getView().performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY);
-        handleDialButtonPressed();
-    }
-
-    public void dialConferenceButtonPressed() {
-        // show dial conference screen if it is not shown
-        // If it is already shown, show normal dial screen
-        boolean show = (mRecipients != null) && !mRecipients.isShown();
-        Log.d(TAG, "dialConferenceButtonPressed show " + show);
-        if (show) {
-            showDialConference(show);
-        } else {
-            handleDialButtonPressed();
-            showDialConference(!show);
-        }
-    }
-
-    public void showDialConference(boolean enabled) {
-        // Check if onCreateView() is already called by checking one of View
-        // objects.
-        if (!isLayoutReady()) {
-            return;
-        }
-        Log.d(TAG, "showDialConference " + enabled);
-        /*
-         * if enabled is true then pick child views that should be
-         * visible/invisible when dialpad is choosen from conference dial button
-         * if enabled is false then pick child views that should be
-         * visible/invisible when dialpad is choosen from other buttons
-         */
-
-        // viewable when choosen through conference button
-        int conferenceButtonVisibility = (enabled ? View.VISIBLE : View.GONE);
-        // not viewable when choosen through conference button
-        int nonConferenceButtonVisibility = (enabled ? View.GONE : View.VISIBLE);
-
-        // change the image visibility of the button
-        if (mRecipients != null)
-            mRecipients.setVisibility(conferenceButtonVisibility);
-        if (mDigits != null)
-            mDigits.setVisibility(nonConferenceButtonVisibility);
-        if (mDelete != null)
-            mDelete.setVisibility(nonConferenceButtonVisibility);
-        if (mDialpad != null)
-            mDialpad.setVisibility(enabled ? View.INVISIBLE : View.VISIBLE);
-
-        if (enabled && (HostInterface)getActivity() != null) {
-            ((HostInterface)getActivity()).setConferenceDialButtonImage(enabled);
-        }
-    }
-
-    public void hideAndClearDialConference() {
-        // hide the image visibility of the button
-        if (mRecipients != null)
-            mRecipients.setVisibility(View.GONE);
-        if (mDigits != null)
-            mDigits.setVisibility(View.GONE);
-        if (mDelete != null)
-            mDelete.setVisibility(View.GONE);
-        if (mDialpad != null)
-            mDialpad.setVisibility(View.GONE);
-        ((DialtactsActivity) getActivity()).commitDialpadFragmentHide();
-    }
-
-    public boolean isRecipientsShown() {
-        return mRecipients != null && mRecipients.isShown();
-    }
-
     @Override
     public void onClick(View view) {
         switch (view.getId()) {
@@ -1212,50 +1095,32 @@ public class DialpadFragment extends Fragment
      * case described above).
      */
     private void handleDialButtonPressed() {
-        if (isDigitsEmpty() && (mRecipients == null || !mRecipients.isShown())) {
-            // No number entered.
+        if (isDigitsEmpty()) { // No number entered.
             handleDialButtonClickWithEmptyDigits();
         } else {
-            boolean isDigitsShown = mDigits.isShown();
-            final String number = isDigitsShown ? mDigits.getText().toString() :
-                    mRecipients.getText().toString().trim();
-            if (isDigitsShown && isDigitsEmpty()) {
-                handleDialButtonClickWithEmptyDigits();
-            } else if (mAddParticipant && isPhoneInUse() && isDigitsEmpty()
-                    && mRecipients.isShown() && isRecipientEmpty()) {
-                // mRecipients must be empty
-                // TODO add support for conference URI in last number dialed
-                // use ErrorDialogFragment instead? also see
-                // android.app.AlertDialog
-                android.widget.Toast.makeText(getActivity(),
-                        "Error: Cannot dial.  Please provide conference recipients.",
-                        android.widget.Toast.LENGTH_SHORT).show();
-            } else {
-                // "persist.radio.otaspdial" is a temporary hack needed for one carrier's automated
-                // test equipment.
-                // TODO: clean it up.
-                if (number != null
-                        && !TextUtils.isEmpty(mProhibitedPhoneNumberRegexp)
-                        && number.matches(mProhibitedPhoneNumberRegexp)) {
-                    Log.i(TAG, "The phone number is prohibited explicitly by a rule.");
-                    if (getActivity() != null) {
-                        DialogFragment dialogFragment = ErrorDialogFragment.newInstance(
-                                R.string.dialog_phone_call_prohibited_message);
-                        dialogFragment.show(getFragmentManager(), "phone_prohibited_dialog");
-                    }
-
-                    // Clear the digits just in case.
-                    clearDialpad();
-                } else {
-                    final Intent intent = CallUtil.getCallIntent(number);
-                    if (!isDigitsShown) {
-                        // must be dial conference add extra
-                        intent.putExtra(EXTRA_DIAL_CONFERENCE_URI, true);
-                    }
-                    intent.putExtra(ADD_PARTICIPANT_KEY, mAddParticipant && isPhoneInUse());
-                    DialerUtils.startActivityWithErrorToast(getActivity(), intent);
-                    hideAndClearDialpad(false);
+            final String number = mDigits.getText().toString();
+
+            // "persist.radio.otaspdial" is a temporary hack needed for one carrier's automated
+            // test equipment.
+            // TODO: clean it up.
+            if (number != null
+                    && !TextUtils.isEmpty(mProhibitedPhoneNumberRegexp)
+                    && number.matches(mProhibitedPhoneNumberRegexp)) {
+                Log.i(TAG, "The phone number is prohibited explicitly by a rule.");
+                if (getActivity() != null) {
+                    DialogFragment dialogFragment = ErrorDialogFragment.newInstance(
+                            R.string.dialog_phone_call_prohibited_message);
+                    dialogFragment.show(getFragmentManager(), "phone_prohibited_dialog");
                 }
+
+                // Clear the digits just in case.
+                clearDialpad();
+            } else {
+                final Intent intent = IntentUtil.getCallIntent(number,
+                        (getActivity() instanceof DialtactsActivity ?
+                                ((DialtactsActivity) getActivity()).getCallOrigin() : null));
+                DialerUtils.startActivityWithErrorToast(getActivity(), intent);
+                hideAndClearDialpad(false);
             }
         }
     }
@@ -1609,10 +1474,6 @@ public class DialpadFragment extends Fragment
                 CallSubjectDialog.start(getActivity(), mDigits.getText().toString());
                 hideAndClearDialpad(false);
                 return true;
-            case R.id.menu_add_to_4g_conference_call:
-                getActivity().startActivity(CallUtil.getConferenceDialerIntent(
-                        mDigits.getText().toString()));
-                return true;
             default:
                 return false;
         }
@@ -1751,13 +1612,6 @@ public class DialpadFragment extends Fragment
     }
 
     /**
-     * @return true if the widget with the mRecipients is empty.
-     */
-    private boolean isRecipientEmpty() {
-        return  (mRecipients == null) || (mRecipients.length() == 0);
-    }
-
-    /**
      * Starts the asyn query to get the last dialed/outgoing
      * number. When the background query finishes, mLastNumberDialed
      * is set to the last dialed number or an empty string if none