Initial move of dialer features from contacts app.

Bug: 6993891
Change-Id: I758ce359ca7e87a1d184303822979318be171921
diff --git a/src/com/android/dialer/DialtactsActivity.java b/src/com/android/dialer/DialtactsActivity.java
new file mode 100644
index 0000000..380b265
--- /dev/null
+++ b/src/com/android/dialer/DialtactsActivity.java
@@ -0,0 +1,1267 @@
+/*
+ * Copyright (C) 2008 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;
+
+import android.app.ActionBar;
+import android.app.ActionBar.LayoutParams;
+import android.app.ActionBar.Tab;
+import android.app.ActionBar.TabListener;
+import android.app.Activity;
+import android.app.Fragment;
+import android.app.FragmentManager;
+import android.app.FragmentTransaction;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+import android.preference.PreferenceManager;
+import android.provider.CallLog.Calls;
+import android.provider.ContactsContract.Contacts;
+import android.provider.ContactsContract.Intents.UI;
+import android.support.v13.app.FragmentPagerAdapter;
+import android.support.v4.view.ViewPager;
+import android.support.v4.view.ViewPager.OnPageChangeListener;
+import android.text.TextUtils;
+import android.util.DisplayMetrics;
+import android.util.Log;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.view.MenuItem.OnMenuItemClickListener;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.View.OnFocusChangeListener;
+import android.view.ViewConfiguration;
+import android.view.ViewGroup;
+import android.view.inputmethod.InputMethodManager;
+import android.widget.PopupMenu;
+import android.widget.SearchView;
+import android.widget.SearchView.OnCloseListener;
+import android.widget.SearchView.OnQueryTextListener;
+
+import com.android.contacts.ContactsUtils;
+import com.android.contacts.R;
+import com.android.contacts.activities.TransactionSafeActivity;
+import com.android.dialer.calllog.CallLogFragment;
+import com.android.dialer.dialpad.DialpadFragment;
+import com.android.contacts.interactions.PhoneNumberInteraction;
+import com.android.contacts.list.ContactListFilterController;
+import com.android.contacts.list.ContactListFilterController.ContactListFilterListener;
+import com.android.contacts.list.ContactListItemView;
+import com.android.contacts.list.OnPhoneNumberPickerActionListener;
+import com.android.contacts.list.PhoneFavoriteFragment;
+import com.android.contacts.list.PhoneNumberPickerFragment;
+import com.android.contacts.util.AccountFilterUtil;
+import com.android.contacts.util.Constants;
+import com.android.internal.telephony.ITelephony;
+
+/**
+ * The dialer activity that has one tab with the virtual 12key
+ * dialer, a tab with recent calls in it, a tab with the contacts and
+ * a tab with the favorite. This is the container and the tabs are
+ * embedded using intents.
+ * The dialer tab's title is 'phone', a more common name (see strings.xml).
+ */
+public class DialtactsActivity extends TransactionSafeActivity
+        implements View.OnClickListener {
+    private static final String TAG = "DialtactsActivity";
+
+    public static final boolean DEBUG = false;
+
+    /** Used to open Call Setting */
+    private static final String PHONE_PACKAGE = "com.android.phone";
+    private static final String CALL_SETTINGS_CLASS_NAME =
+            "com.android.phone.CallFeaturesSetting";
+
+    /** @see #getCallOrigin() */
+    private static final String CALL_ORIGIN_DIALTACTS =
+            "com.android.dialer.DialtactsActivity";
+
+    /**
+     * Just for backward compatibility. Should behave as same as {@link Intent#ACTION_DIAL}.
+     */
+    private static final String ACTION_TOUCH_DIALER = "com.android.phone.action.TOUCH_DIALER";
+
+    /** Used both by {@link ActionBar} and {@link ViewPagerAdapter} */
+    private static final int TAB_INDEX_DIALER = 0;
+    private static final int TAB_INDEX_CALL_LOG = 1;
+    private static final int TAB_INDEX_FAVORITES = 2;
+
+    private static final int TAB_INDEX_COUNT = 3;
+
+    private SharedPreferences mPrefs;
+
+    /** Last manually selected tab index */
+    private static final String PREF_LAST_MANUALLY_SELECTED_TAB =
+            "DialtactsActivity_last_manually_selected_tab";
+    private static final int PREF_LAST_MANUALLY_SELECTED_TAB_DEFAULT = TAB_INDEX_DIALER;
+
+    private static final int SUBACTIVITY_ACCOUNT_FILTER = 1;
+
+    public class ViewPagerAdapter extends FragmentPagerAdapter {
+        public ViewPagerAdapter(FragmentManager fm) {
+            super(fm);
+        }
+
+        @Override
+        public Fragment getItem(int position) {
+            switch (position) {
+                case TAB_INDEX_DIALER:
+                    return new DialpadFragment();
+                case TAB_INDEX_CALL_LOG:
+                    return new CallLogFragment();
+                case TAB_INDEX_FAVORITES:
+                    return new PhoneFavoriteFragment();
+            }
+            throw new IllegalStateException("No fragment at position " + position);
+        }
+
+        @Override
+        public void setPrimaryItem(ViewGroup container, int position, Object object) {
+            // The parent's setPrimaryItem() also calls setMenuVisibility(), so we want to know
+            // when it happens.
+            if (DEBUG) {
+                Log.d(TAG, "FragmentPagerAdapter#setPrimaryItem(), position: " + position);
+            }
+            super.setPrimaryItem(container, position, object);
+        }
+
+        @Override
+        public int getCount() {
+            return TAB_INDEX_COUNT;
+        }
+    }
+
+    /**
+     * True when the app detects user's drag event. This variable should not become true when
+     * mUserTabClick is true.
+     *
+     * During user's drag or tab click, we shouldn't show fake buttons but just show real
+     * ActionBar at the bottom of the screen, for transition animation.
+     */
+    boolean mDuringSwipe = false;
+    /**
+     * True when the app detects user's tab click (at the top of the screen). This variable should
+     * not become true when mDuringSwipe is true.
+     *
+     * During user's drag or tab click, we shouldn't show fake buttons but just show real
+     * ActionBar at the bottom of the screen, for transition animation.
+     */
+    boolean mUserTabClick = false;
+
+    private class PageChangeListener implements OnPageChangeListener {
+        private int mCurrentPosition = -1;
+        /**
+         * Used during page migration, to remember the next position {@link #onPageSelected(int)}
+         * specified.
+         */
+        private int mNextPosition = -1;
+
+        @Override
+        public void onPageScrolled(
+                int position, float positionOffset, int positionOffsetPixels) {
+        }
+
+        @Override
+        public void onPageSelected(int position) {
+            if (DEBUG) Log.d(TAG, "onPageSelected: position: " + position);
+            final ActionBar actionBar = getActionBar();
+            if (mDialpadFragment != null) {
+                if (mDuringSwipe && position == TAB_INDEX_DIALER) {
+                    // TODO: Figure out if we want this or not. Right now
+                    // - with this call, both fake buttons and real action bar overlap
+                    // - without this call, there's tiny flicker happening to search/menu buttons.
+                    // If we can reduce the flicker without this call, it would be much better.
+                    // updateFakeMenuButtonsVisibility(true);
+                }
+            }
+
+            if (mCurrentPosition == position) {
+                Log.w(TAG, "Previous position and next position became same (" + position + ")");
+            }
+
+            actionBar.selectTab(actionBar.getTabAt(position));
+            mNextPosition = position;
+        }
+
+        public void setCurrentPosition(int position) {
+            mCurrentPosition = position;
+        }
+
+        public int getCurrentPosition() {
+            return mCurrentPosition;
+        }
+
+        @Override
+        public void onPageScrollStateChanged(int state) {
+            switch (state) {
+                case ViewPager.SCROLL_STATE_IDLE: {
+                    if (mNextPosition == -1) {
+                        // This happens when the user drags the screen just after launching the
+                        // application, and settle down the same screen without actually swiping it.
+                        // At that moment mNextPosition is apparently -1 yet, and we expect it
+                        // being updated by onPageSelected(), which is *not* called if the user
+                        // settle down the exact same tab after the dragging.
+                        if (DEBUG) {
+                            Log.d(TAG, "Next position is not specified correctly. Use current tab ("
+                                    + mViewPager.getCurrentItem() + ")");
+                        }
+                        mNextPosition = mViewPager.getCurrentItem();
+                    }
+                    if (DEBUG) {
+                        Log.d(TAG, "onPageScrollStateChanged() with SCROLL_STATE_IDLE. "
+                                + "mCurrentPosition: " + mCurrentPosition
+                                + ", mNextPosition: " + mNextPosition);
+                    }
+                    // Interpret IDLE as the end of migration (both swipe and tab click)
+                    mDuringSwipe = false;
+                    mUserTabClick = false;
+
+                    updateFakeMenuButtonsVisibility(mNextPosition == TAB_INDEX_DIALER);
+                    sendFragmentVisibilityChange(mCurrentPosition, false);
+                    sendFragmentVisibilityChange(mNextPosition, true);
+
+                    invalidateOptionsMenu();
+
+                    mCurrentPosition = mNextPosition;
+                    break;
+                }
+                case ViewPager.SCROLL_STATE_DRAGGING: {
+                    if (DEBUG) Log.d(TAG, "onPageScrollStateChanged() with SCROLL_STATE_DRAGGING");
+                    mDuringSwipe = true;
+                    mUserTabClick = false;
+                    break;
+                }
+                case ViewPager.SCROLL_STATE_SETTLING: {
+                    if (DEBUG) Log.d(TAG, "onPageScrollStateChanged() with SCROLL_STATE_SETTLING");
+                    mDuringSwipe = true;
+                    mUserTabClick = false;
+                    break;
+                }
+                default:
+                    break;
+            }
+        }
+    }
+
+    private String mFilterText;
+
+    /** Enables horizontal swipe between Fragments. */
+    private ViewPager mViewPager;
+    private final PageChangeListener mPageChangeListener = new PageChangeListener();
+    private DialpadFragment mDialpadFragment;
+    private CallLogFragment mCallLogFragment;
+    private PhoneFavoriteFragment mPhoneFavoriteFragment;
+
+    private View mSearchButton;
+    private View mMenuButton;
+
+    private final ContactListFilterListener mContactListFilterListener =
+            new ContactListFilterListener() {
+        @Override
+        public void onContactListFilterChanged() {
+            boolean doInvalidateOptionsMenu = false;
+
+            if (mPhoneFavoriteFragment != null && mPhoneFavoriteFragment.isAdded()) {
+                mPhoneFavoriteFragment.setFilter(mContactListFilterController.getFilter());
+                doInvalidateOptionsMenu = true;
+            }
+
+            if (mSearchFragment != null && mSearchFragment.isAdded()) {
+                mSearchFragment.setFilter(mContactListFilterController.getFilter());
+                doInvalidateOptionsMenu = true;
+            } else {
+                Log.w(TAG, "Search Fragment isn't available when ContactListFilter is changed");
+            }
+
+            if (doInvalidateOptionsMenu) {
+                invalidateOptionsMenu();
+            }
+        }
+    };
+
+    private final TabListener mTabListener = new TabListener() {
+        @Override
+        public void onTabUnselected(Tab tab, FragmentTransaction ft) {
+            if (DEBUG) Log.d(TAG, "onTabUnselected(). tab: " + tab);
+        }
+
+        @Override
+        public void onTabSelected(Tab tab, FragmentTransaction ft) {
+            if (DEBUG) {
+                Log.d(TAG, "onTabSelected(). tab: " + tab + ", mDuringSwipe: " + mDuringSwipe);
+            }
+            // When the user swipes the screen horizontally, this method will be called after
+            // ViewPager.SCROLL_STATE_DRAGGING and ViewPager.SCROLL_STATE_SETTLING events, while
+            // when the user clicks a tab at the ActionBar at the top, this will be called before
+            // them. This logic interprets the order difference as a difference of the user action.
+            if (!mDuringSwipe) {
+                if (DEBUG) {
+                    Log.d(TAG, "Tab select. from: " + mPageChangeListener.getCurrentPosition()
+                            + ", to: " + tab.getPosition());
+                }
+                if (mDialpadFragment != null) {
+                    updateFakeMenuButtonsVisibility(tab.getPosition() == TAB_INDEX_DIALER);
+                }
+                mUserTabClick = true;
+            }
+
+            if (mViewPager.getCurrentItem() != tab.getPosition()) {
+                mViewPager.setCurrentItem(tab.getPosition(), true);
+            }
+
+            // During the call, we don't remember the tab position.
+            if (!DialpadFragment.phoneIsInUse()) {
+                // Remember this tab index. This function is also called, if the tab is set
+                // automatically in which case the setter (setCurrentTab) has to set this to its old
+                // value afterwards
+                mLastManuallySelectedFragment = tab.getPosition();
+            }
+        }
+
+        @Override
+        public void onTabReselected(Tab tab, FragmentTransaction ft) {
+            if (DEBUG) Log.d(TAG, "onTabReselected");
+        }
+    };
+
+    /**
+     * Fragment for searching phone numbers. Unlike the other Fragments, this doesn't correspond
+     * to tab but is shown by a search action.
+     */
+    private PhoneNumberPickerFragment mSearchFragment;
+    /**
+     * True when this Activity is in its search UI (with a {@link SearchView} and
+     * {@link PhoneNumberPickerFragment}).
+     */
+    private boolean mInSearchUi;
+    private SearchView mSearchView;
+
+    private final OnClickListener mFilterOptionClickListener = new OnClickListener() {
+        @Override
+        public void onClick(View view) {
+            final PopupMenu popupMenu = new PopupMenu(DialtactsActivity.this, view);
+            final Menu menu = popupMenu.getMenu();
+            popupMenu.inflate(R.menu.dialtacts_search_options);
+            final MenuItem filterOptionMenuItem = menu.findItem(R.id.filter_option);
+            filterOptionMenuItem.setOnMenuItemClickListener(mFilterOptionsMenuItemClickListener);
+            final MenuItem addContactOptionMenuItem = menu.findItem(R.id.add_contact);
+            addContactOptionMenuItem.setIntent(
+                    new Intent(Intent.ACTION_INSERT, Contacts.CONTENT_URI));
+            popupMenu.show();
+        }
+    };
+
+    /**
+     * The index of the Fragment (or, the tab) that has last been manually selected.
+     * This value does not keep track of programmatically set Tabs (e.g. Call Log after a Call)
+     */
+    private int mLastManuallySelectedFragment;
+
+    private ContactListFilterController mContactListFilterController;
+    private OnMenuItemClickListener mFilterOptionsMenuItemClickListener =
+            new OnMenuItemClickListener() {
+        @Override
+        public boolean onMenuItemClick(MenuItem item) {
+            AccountFilterUtil.startAccountFilterActivityForResult(
+                    DialtactsActivity.this, SUBACTIVITY_ACCOUNT_FILTER,
+                    mContactListFilterController.getFilter());
+            return true;
+        }
+    };
+
+    private OnMenuItemClickListener mSearchMenuItemClickListener =
+            new OnMenuItemClickListener() {
+        @Override
+        public boolean onMenuItemClick(MenuItem item) {
+            enterSearchUi();
+            return true;
+        }
+    };
+
+    /**
+     * Listener used when one of phone numbers in search UI is selected. This will initiate a
+     * phone call using the phone number.
+     */
+    private final OnPhoneNumberPickerActionListener mPhoneNumberPickerActionListener =
+            new OnPhoneNumberPickerActionListener() {
+                @Override
+                public void onPickPhoneNumberAction(Uri dataUri) {
+                    // Specify call-origin so that users will see the previous tab instead of
+                    // CallLog screen (search UI will be automatically exited).
+                    PhoneNumberInteraction.startInteractionForPhoneCall(
+                            DialtactsActivity.this, dataUri, getCallOrigin());
+                }
+
+                @Override
+                public void onShortcutIntentCreated(Intent intent) {
+                    Log.w(TAG, "Unsupported intent has come (" + intent + "). Ignoring.");
+                }
+
+                @Override
+                public void onHomeInActionBarSelected() {
+                    exitSearchUi();
+                }
+    };
+
+    /**
+     * Listener used to send search queries to the phone search fragment.
+     */
+    private final OnQueryTextListener mPhoneSearchQueryTextListener =
+            new OnQueryTextListener() {
+                @Override
+                public boolean onQueryTextSubmit(String query) {
+                    View view = getCurrentFocus();
+                    if (view != null) {
+                        hideInputMethod(view);
+                        view.clearFocus();
+                    }
+                    return true;
+                }
+
+                @Override
+                public boolean onQueryTextChange(String newText) {
+                    // Show search result with non-empty text. Show a bare list otherwise.
+                    if (mSearchFragment != null) {
+                        mSearchFragment.setQueryString(newText, true);
+                    }
+                    return true;
+                }
+    };
+
+    /**
+     * Listener used to handle the "close" button on the right side of {@link SearchView}.
+     * If some text is in the search view, this will clean it up. Otherwise this will exit
+     * the search UI and let users go back to usual Phone UI.
+     *
+     * This does _not_ handle back button.
+     */
+    private final OnCloseListener mPhoneSearchCloseListener =
+            new OnCloseListener() {
+                @Override
+                public boolean onClose() {
+                    if (!TextUtils.isEmpty(mSearchView.getQuery())) {
+                        mSearchView.setQuery(null, true);
+                    }
+                    return true;
+                }
+    };
+
+    private final View.OnLayoutChangeListener mFirstLayoutListener
+            = new View.OnLayoutChangeListener() {
+        @Override
+        public void onLayoutChange(View v, int left, int top, int right, int bottom, int oldLeft,
+                int oldTop, int oldRight, int oldBottom) {
+            v.removeOnLayoutChangeListener(this); // Unregister self.
+            addSearchFragment();
+        }
+    };
+
+    @Override
+    protected void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+
+        final Intent intent = getIntent();
+        fixIntent(intent);
+
+        setContentView(R.layout.dialtacts_activity);
+
+        mContactListFilterController = ContactListFilterController.getInstance(this);
+        mContactListFilterController.addListener(mContactListFilterListener);
+
+        findViewById(R.id.dialtacts_frame).addOnLayoutChangeListener(mFirstLayoutListener);
+
+        mViewPager = (ViewPager) findViewById(R.id.pager);
+        mViewPager.setAdapter(new ViewPagerAdapter(getFragmentManager()));
+        mViewPager.setOnPageChangeListener(mPageChangeListener);
+        mViewPager.setOffscreenPageLimit(2);
+
+        // Do same width calculation as ActionBar does
+        DisplayMetrics dm = getResources().getDisplayMetrics();
+        int minCellSize = getResources().getDimensionPixelSize(R.dimen.fake_menu_button_min_width);
+        int cellCount = dm.widthPixels / minCellSize;
+        int fakeMenuItemWidth = dm.widthPixels / cellCount;
+        if (DEBUG) Log.d(TAG, "The size of fake menu buttons (in pixel): " + fakeMenuItemWidth);
+
+        // Soft menu button should appear only when there's no hardware menu button.
+        mMenuButton = findViewById(R.id.overflow_menu);
+        if (mMenuButton != null) {
+            mMenuButton.setMinimumWidth(fakeMenuItemWidth);
+            if (ViewConfiguration.get(this).hasPermanentMenuKey()) {
+                // This is required for dialpad button's layout, so must not use GONE here.
+                mMenuButton.setVisibility(View.INVISIBLE);
+            } else {
+                mMenuButton.setOnClickListener(this);
+            }
+        }
+        mSearchButton = findViewById(R.id.searchButton);
+        if (mSearchButton != null) {
+            mSearchButton.setMinimumWidth(fakeMenuItemWidth);
+            mSearchButton.setOnClickListener(this);
+        }
+
+        // Setup the ActionBar tabs (the order matches the tab-index contants TAB_INDEX_*)
+        setupDialer();
+        setupCallLog();
+        setupFavorites();
+        getActionBar().setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
+        getActionBar().setDisplayShowTitleEnabled(false);
+        getActionBar().setDisplayShowHomeEnabled(false);
+
+        // Load the last manually loaded tab
+        mPrefs = PreferenceManager.getDefaultSharedPreferences(this);
+        mLastManuallySelectedFragment = mPrefs.getInt(PREF_LAST_MANUALLY_SELECTED_TAB,
+                PREF_LAST_MANUALLY_SELECTED_TAB_DEFAULT);
+        if (mLastManuallySelectedFragment >= TAB_INDEX_COUNT) {
+            // Stored value may have exceeded the number of current tabs. Reset it.
+            mLastManuallySelectedFragment = PREF_LAST_MANUALLY_SELECTED_TAB_DEFAULT;
+        }
+
+        setCurrentTab(intent);
+
+        if (UI.FILTER_CONTACTS_ACTION.equals(intent.getAction())
+                && icicle == null) {
+            setupFilterText(intent);
+        }
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+        if (mPhoneFavoriteFragment != null) {
+            mPhoneFavoriteFragment.setFilter(mContactListFilterController.getFilter());
+        }
+        if (mSearchFragment != null) {
+            mSearchFragment.setFilter(mContactListFilterController.getFilter());
+        }
+
+        if (mDuringSwipe || mUserTabClick) {
+            if (DEBUG) Log.d(TAG, "reset buggy flag state..");
+            mDuringSwipe = false;
+            mUserTabClick = false;
+        }
+
+        final int currentPosition = mPageChangeListener.getCurrentPosition();
+        if (DEBUG) {
+            Log.d(TAG, "onStart(). current position: " + mPageChangeListener.getCurrentPosition()
+                    + ". Reset all menu visibility state.");
+        }
+        updateFakeMenuButtonsVisibility(currentPosition == TAB_INDEX_DIALER && !mInSearchUi);
+        for (int i = 0; i < TAB_INDEX_COUNT; i++) {
+            sendFragmentVisibilityChange(i, i == currentPosition);
+        }
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        mContactListFilterController.removeListener(mContactListFilterListener);
+    }
+
+    @Override
+    public void onClick(View view) {
+        switch (view.getId()) {
+            case R.id.searchButton: {
+                enterSearchUi();
+                break;
+            }
+            case R.id.overflow_menu: {
+                if (mDialpadFragment != null) {
+                    PopupMenu popup = mDialpadFragment.constructPopupMenu(view);
+                    if (popup != null) {
+                        popup.show();
+                    }
+                } else {
+                    Log.w(TAG, "DialpadFragment is null during onClick() event for " + view);
+                }
+                break;
+            }
+            default: {
+                Log.wtf(TAG, "Unexpected onClick event from " + view);
+                break;
+            }
+        }
+    }
+
+    /**
+     * Add search fragment.  Note this is called during onLayout, so there's some restrictions,
+     * such as executePendingTransaction can't be used in it.
+     */
+    private void addSearchFragment() {
+        // In order to take full advantage of "fragment deferred start", we need to create the
+        // search fragment after all other fragments are created.
+        // The other fragments are created by the ViewPager on the first onMeasure().
+        // We use the first onLayout call, which is after onMeasure().
+
+        // Just return if the fragment is already created, which happens after configuration
+        // changes.
+        if (mSearchFragment != null) return;
+
+        final FragmentTransaction ft = getFragmentManager().beginTransaction();
+        final Fragment searchFragment = new PhoneNumberPickerFragment();
+
+        searchFragment.setUserVisibleHint(false);
+        ft.add(R.id.dialtacts_frame, searchFragment);
+        ft.hide(searchFragment);
+        ft.commitAllowingStateLoss();
+    }
+
+    private void prepareSearchView() {
+        final View searchViewLayout =
+                getLayoutInflater().inflate(R.layout.dialtacts_custom_action_bar, null);
+        mSearchView = (SearchView) searchViewLayout.findViewById(R.id.search_view);
+        mSearchView.setOnQueryTextListener(mPhoneSearchQueryTextListener);
+        mSearchView.setOnCloseListener(mPhoneSearchCloseListener);
+        // Since we're using a custom layout for showing SearchView instead of letting the
+        // search menu icon do that job, we need to manually configure the View so it looks
+        // "shown via search menu".
+        // - it should be iconified by default
+        // - it should not be iconified at this time
+        // See also comments for onActionViewExpanded()/onActionViewCollapsed()
+        mSearchView.setIconifiedByDefault(true);
+        mSearchView.setQueryHint(getString(R.string.hint_findContacts));
+        mSearchView.setIconified(false);
+        mSearchView.setOnQueryTextFocusChangeListener(new OnFocusChangeListener() {
+            @Override
+            public void onFocusChange(View view, boolean hasFocus) {
+                if (hasFocus) {
+                    showInputMethod(view.findFocus());
+                }
+            }
+        });
+
+        if (!ViewConfiguration.get(this).hasPermanentMenuKey()) {
+            // Filter option menu should be shown on the right side of SearchView.
+            final View filterOptionView = searchViewLayout.findViewById(R.id.search_option);
+            filterOptionView.setVisibility(View.VISIBLE);
+            filterOptionView.setOnClickListener(mFilterOptionClickListener);
+        }
+
+        getActionBar().setCustomView(searchViewLayout,
+                new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
+    }
+
+    @Override
+    public void onAttachFragment(Fragment fragment) {
+        // This method can be called before onCreate(), at which point we cannot rely on ViewPager.
+        // In that case, we will setup the "current position" soon after the ViewPager is ready.
+        final int currentPosition = mViewPager != null ? mViewPager.getCurrentItem() : -1;
+
+        if (fragment instanceof DialpadFragment) {
+            mDialpadFragment = (DialpadFragment) fragment;
+        } else if (fragment instanceof CallLogFragment) {
+            mCallLogFragment = (CallLogFragment) fragment;
+        } else if (fragment instanceof PhoneFavoriteFragment) {
+            mPhoneFavoriteFragment = (PhoneFavoriteFragment) fragment;
+            mPhoneFavoriteFragment.setListener(mPhoneFavoriteListener);
+            if (mContactListFilterController != null
+                    && mContactListFilterController.getFilter() != null) {
+                mPhoneFavoriteFragment.setFilter(mContactListFilterController.getFilter());
+            }
+        } else if (fragment instanceof PhoneNumberPickerFragment) {
+            mSearchFragment = (PhoneNumberPickerFragment) fragment;
+            mSearchFragment.setOnPhoneNumberPickerActionListener(mPhoneNumberPickerActionListener);
+            mSearchFragment.setQuickContactEnabled(true);
+            mSearchFragment.setDarkTheme(true);
+            mSearchFragment.setPhotoPosition(ContactListItemView.PhotoPosition.LEFT);
+            mSearchFragment.setUseCallableUri(true);
+            if (mContactListFilterController != null
+                    && mContactListFilterController.getFilter() != null) {
+                mSearchFragment.setFilter(mContactListFilterController.getFilter());
+            }
+            // Here we assume that we're not on the search mode, so let's hide the fragment.
+            //
+            // We get here either when the fragment is created (normal case), or after configuration
+            // changes.  In the former case, we're not in search mode because we can only
+            // enter search mode if the fragment is created.  (see enterSearchUi())
+            // In the latter case we're not in search mode either because we don't retain
+            // mInSearchUi -- ideally we should but at this point it's not supported.
+            mSearchFragment.setUserVisibleHint(false);
+            // After configuration changes fragments will forget their "hidden" state, so make
+            // sure to hide it.
+            if (!mSearchFragment.isHidden()) {
+                final FragmentTransaction transaction = getFragmentManager().beginTransaction();
+                transaction.hide(mSearchFragment);
+                transaction.commitAllowingStateLoss();
+            }
+        }
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+
+        mPrefs.edit().putInt(PREF_LAST_MANUALLY_SELECTED_TAB, mLastManuallySelectedFragment)
+                .apply();
+    }
+
+    private void fixIntent(Intent intent) {
+        // This should be cleaned up: the call key used to send an Intent
+        // that just said to go to the recent calls list.  It now sends this
+        // abstract action, but this class hasn't been rewritten to deal with it.
+        if (Intent.ACTION_CALL_BUTTON.equals(intent.getAction())) {
+            intent.setDataAndType(Calls.CONTENT_URI, Calls.CONTENT_TYPE);
+            intent.putExtra("call_key", true);
+            setIntent(intent);
+        }
+    }
+
+    private void setupDialer() {
+        final Tab tab = getActionBar().newTab();
+        tab.setContentDescription(R.string.dialerIconLabel);
+        tab.setTabListener(mTabListener);
+        tab.setIcon(R.drawable.ic_tab_dialer);
+        getActionBar().addTab(tab);
+    }
+
+    private void setupCallLog() {
+        final Tab tab = getActionBar().newTab();
+        tab.setContentDescription(R.string.recentCallsIconLabel);
+        tab.setIcon(R.drawable.ic_tab_recent);
+        tab.setTabListener(mTabListener);
+        getActionBar().addTab(tab);
+    }
+
+    private void setupFavorites() {
+        final Tab tab = getActionBar().newTab();
+        tab.setContentDescription(R.string.contactsFavoritesLabel);
+        tab.setIcon(R.drawable.ic_tab_all);
+        tab.setTabListener(mTabListener);
+        getActionBar().addTab(tab);
+    }
+
+    /**
+     * Returns true if the intent is due to hitting the green send key (hardware call button:
+     * KEYCODE_CALL) while in a call.
+     *
+     * @param intent the intent that launched this activity
+     * @param recentCallsRequest true if the intent is requesting to view recent calls
+     * @return true if the intent is due to hitting the green send key while in a call
+     */
+    private boolean isSendKeyWhileInCall(final Intent intent,
+            final boolean recentCallsRequest) {
+        // If there is a call in progress go to the call screen
+        if (recentCallsRequest) {
+            final boolean callKey = intent.getBooleanExtra("call_key", false);
+
+            try {
+                ITelephony phone = ITelephony.Stub.asInterface(ServiceManager.checkService("phone"));
+                if (callKey && phone != null && phone.showCallScreen()) {
+                    return true;
+                }
+            } catch (RemoteException e) {
+                Log.e(TAG, "Failed to handle send while in call", e);
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Sets the current tab based on the intent's request type
+     *
+     * @param intent Intent that contains information about which tab should be selected
+     */
+    private void setCurrentTab(Intent intent) {
+        // If we got here by hitting send and we're in call forward along to the in-call activity
+        boolean recentCallsRequest = Calls.CONTENT_TYPE.equals(intent.resolveType(
+            getContentResolver()));
+        if (isSendKeyWhileInCall(intent, recentCallsRequest)) {
+            finish();
+            return;
+        }
+
+        // Remember the old manually selected tab index so that it can be restored if it is
+        // overwritten by one of the programmatic tab selections
+        final int savedTabIndex = mLastManuallySelectedFragment;
+
+        final int tabIndex;
+        if (DialpadFragment.phoneIsInUse() || isDialIntent(intent)) {
+            tabIndex = TAB_INDEX_DIALER;
+        } else if (recentCallsRequest) {
+            tabIndex = TAB_INDEX_CALL_LOG;
+        } else {
+            tabIndex = mLastManuallySelectedFragment;
+        }
+
+        final int previousItemIndex = mViewPager.getCurrentItem();
+        mViewPager.setCurrentItem(tabIndex, false /* smoothScroll */);
+        if (previousItemIndex != tabIndex) {
+            sendFragmentVisibilityChange(previousItemIndex, false /* not visible */ );
+        }
+        mPageChangeListener.setCurrentPosition(tabIndex);
+        sendFragmentVisibilityChange(tabIndex, true /* visible */ );
+
+        // Restore to the previous manual selection
+        mLastManuallySelectedFragment = savedTabIndex;
+        mDuringSwipe = false;
+        mUserTabClick = false;
+    }
+
+    @Override
+    public void onNewIntent(Intent newIntent) {
+        setIntent(newIntent);
+        fixIntent(newIntent);
+        setCurrentTab(newIntent);
+        final String action = newIntent.getAction();
+        if (UI.FILTER_CONTACTS_ACTION.equals(action)) {
+            setupFilterText(newIntent);
+        }
+        if (mInSearchUi || (mSearchFragment != null && mSearchFragment.isVisible())) {
+            exitSearchUi();
+        }
+
+        if (mViewPager.getCurrentItem() == TAB_INDEX_DIALER) {
+            if (mDialpadFragment != null) {
+                mDialpadFragment.configureScreenFromIntent(newIntent);
+            } else {
+                Log.e(TAG, "DialpadFragment isn't ready yet when the tab is already selected.");
+            }
+        } else if (mViewPager.getCurrentItem() == TAB_INDEX_CALL_LOG) {
+            if (mCallLogFragment != null) {
+                mCallLogFragment.configureScreenFromIntent(newIntent);
+            } else {
+                Log.e(TAG, "CallLogFragment isn't ready yet when the tab is already selected.");
+            }
+        }
+        invalidateOptionsMenu();
+    }
+
+    /** Returns true if the given intent contains a phone number to populate the dialer with */
+    private boolean isDialIntent(Intent intent) {
+        final String action = intent.getAction();
+        if (Intent.ACTION_DIAL.equals(action) || ACTION_TOUCH_DIALER.equals(action)) {
+            return true;
+        }
+        if (Intent.ACTION_VIEW.equals(action)) {
+            final Uri data = intent.getData();
+            if (data != null && Constants.SCHEME_TEL.equals(data.getScheme())) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Returns an appropriate call origin for this Activity. May return null when no call origin
+     * should be used (e.g. when some 3rd party application launched the screen. Call origin is
+     * for remembering the tab in which the user made a phone call, so the external app's DIAL
+     * request should not be counted.)
+     */
+    public String getCallOrigin() {
+        return !isDialIntent(getIntent()) ? CALL_ORIGIN_DIALTACTS : null;
+    }
+
+    /**
+     * Retrieves the filter text stored in {@link #setupFilterText(Intent)}.
+     * This text originally came from a FILTER_CONTACTS_ACTION intent received
+     * by this activity. The stored text will then be cleared after after this
+     * method returns.
+     *
+     * @return The stored filter text
+     */
+    public String getAndClearFilterText() {
+        String filterText = mFilterText;
+        mFilterText = null;
+        return filterText;
+    }
+
+    /**
+     * Stores the filter text associated with a FILTER_CONTACTS_ACTION intent.
+     * This is so child activities can check if they are supposed to display a filter.
+     *
+     * @param intent The intent received in {@link #onNewIntent(Intent)}
+     */
+    private void setupFilterText(Intent intent) {
+        // If the intent was relaunched from history, don't apply the filter text.
+        if ((intent.getFlags() & Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY) != 0) {
+            return;
+        }
+        String filter = intent.getStringExtra(UI.FILTER_TEXT_EXTRA_KEY);
+        if (filter != null && filter.length() > 0) {
+            mFilterText = filter;
+        }
+    }
+
+    @Override
+    public void onBackPressed() {
+        if (mInSearchUi) {
+            // We should let the user go back to usual screens with tabs.
+            exitSearchUi();
+        } else if (isTaskRoot()) {
+            // Instead of stopping, simply push this to the back of the stack.
+            // This is only done when running at the top of the stack;
+            // otherwise, we have been launched by someone else so need to
+            // allow the user to go back to the caller.
+            moveTaskToBack(false);
+        } else {
+            super.onBackPressed();
+        }
+    }
+
+    private final PhoneFavoriteFragment.Listener mPhoneFavoriteListener =
+            new PhoneFavoriteFragment.Listener() {
+        @Override
+        public void onContactSelected(Uri contactUri) {
+            PhoneNumberInteraction.startInteractionForPhoneCall(
+                    DialtactsActivity.this, contactUri, getCallOrigin());
+        }
+
+        @Override
+        public void onCallNumberDirectly(String phoneNumber) {
+            Intent intent = ContactsUtils.getCallIntent(phoneNumber, getCallOrigin());
+            startActivity(intent);
+        }
+    };
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        MenuInflater inflater = getMenuInflater();
+        inflater.inflate(R.menu.dialtacts_options, menu);
+
+        // set up intents and onClick listeners
+        final MenuItem callSettingsMenuItem = menu.findItem(R.id.menu_call_settings);
+        final MenuItem searchMenuItem = menu.findItem(R.id.search_on_action_bar);
+        final MenuItem filterOptionMenuItem = menu.findItem(R.id.filter_option);
+        final MenuItem addContactOptionMenuItem = menu.findItem(R.id.add_contact);
+
+        callSettingsMenuItem.setIntent(DialtactsActivity.getCallSettingsIntent());
+        searchMenuItem.setOnMenuItemClickListener(mSearchMenuItemClickListener);
+        filterOptionMenuItem.setOnMenuItemClickListener(mFilterOptionsMenuItemClickListener);
+        addContactOptionMenuItem.setIntent(
+                new Intent(Intent.ACTION_INSERT, Contacts.CONTENT_URI));
+
+        return true;
+    }
+
+    @Override
+    public boolean onPrepareOptionsMenu(Menu menu) {
+        if (mInSearchUi) {
+            prepareOptionsMenuInSearchMode(menu);
+        } else {
+            // get reference to the currently selected tab
+            final Tab tab = getActionBar().getSelectedTab();
+            if (tab != null) {
+                switch(tab.getPosition()) {
+                    case TAB_INDEX_DIALER:
+                        prepareOptionsMenuForDialerTab(menu);
+                        break;
+                    case TAB_INDEX_CALL_LOG:
+                        prepareOptionsMenuForCallLogTab(menu);
+                        break;
+                    case TAB_INDEX_FAVORITES:
+                        prepareOptionsMenuForFavoritesTab(menu);
+                        break;
+                }
+            }
+        }
+        return true;
+    }
+
+    private void prepareOptionsMenuInSearchMode(Menu menu) {
+        // get references to menu items
+        final MenuItem searchMenuItem = menu.findItem(R.id.search_on_action_bar);
+        final MenuItem filterOptionMenuItem = menu.findItem(R.id.filter_option);
+        final MenuItem addContactOptionMenuItem = menu.findItem(R.id.add_contact);
+        final MenuItem callSettingsMenuItem = menu.findItem(R.id.menu_call_settings);
+        final MenuItem emptyRightMenuItem = menu.findItem(R.id.empty_right_menu_item);
+
+        // prepare the menu items
+        searchMenuItem.setVisible(false);
+        filterOptionMenuItem.setVisible(ViewConfiguration.get(this).hasPermanentMenuKey());
+        addContactOptionMenuItem.setVisible(false);
+        callSettingsMenuItem.setVisible(false);
+        emptyRightMenuItem.setVisible(false);
+    }
+
+    private void prepareOptionsMenuForDialerTab(Menu menu) {
+        if (DEBUG) {
+            Log.d(TAG, "onPrepareOptionsMenu(dialer). swipe: " + mDuringSwipe
+                    + ", user tab click: " + mUserTabClick);
+        }
+
+        // get references to menu items
+        final MenuItem searchMenuItem = menu.findItem(R.id.search_on_action_bar);
+        final MenuItem filterOptionMenuItem = menu.findItem(R.id.filter_option);
+        final MenuItem addContactOptionMenuItem = menu.findItem(R.id.add_contact);
+        final MenuItem callSettingsMenuItem = menu.findItem(R.id.menu_call_settings);
+        final MenuItem emptyRightMenuItem = menu.findItem(R.id.empty_right_menu_item);
+
+        // prepare the menu items
+        filterOptionMenuItem.setVisible(false);
+        addContactOptionMenuItem.setVisible(false);
+        if (mDuringSwipe || mUserTabClick) {
+            // During horizontal movement, the real ActionBar menu items are shown
+            searchMenuItem.setVisible(true);
+            callSettingsMenuItem.setVisible(true);
+            // When there is a permanent menu key, there is no overflow icon on the right of
+            // the action bar which would force the search menu item (if it is visible) to the
+            // left.  This is the purpose of showing the emptyRightMenuItem.
+            emptyRightMenuItem.setVisible(ViewConfiguration.get(this).hasPermanentMenuKey());
+        } else {
+            // This is when the user is looking at the dialer pad.  In this case, the real
+            // ActionBar is hidden and fake menu items are shown.
+            // Except in landscape, in which case the real search menu item is shown.
+            searchMenuItem.setVisible(ContactsUtils.isLandscape(this));
+            // If a permanent menu key is available, then we need to show the call settings item
+            // so that the call settings item can be invoked by the permanent menu key.
+            callSettingsMenuItem.setVisible(ViewConfiguration.get(this).hasPermanentMenuKey());
+            emptyRightMenuItem.setVisible(false);
+        }
+    }
+
+    private void prepareOptionsMenuForCallLogTab(Menu menu) {
+        // get references to menu items
+        final MenuItem searchMenuItem = menu.findItem(R.id.search_on_action_bar);
+        final MenuItem filterOptionMenuItem = menu.findItem(R.id.filter_option);
+        final MenuItem addContactOptionMenuItem = menu.findItem(R.id.add_contact);
+        final MenuItem callSettingsMenuItem = menu.findItem(R.id.menu_call_settings);
+        final MenuItem emptyRightMenuItem = menu.findItem(R.id.empty_right_menu_item);
+
+        // prepare the menu items
+        searchMenuItem.setVisible(true);
+        filterOptionMenuItem.setVisible(false);
+        addContactOptionMenuItem.setVisible(false);
+        callSettingsMenuItem.setVisible(true);
+        emptyRightMenuItem.setVisible(ViewConfiguration.get(this).hasPermanentMenuKey());
+    }
+
+    private void prepareOptionsMenuForFavoritesTab(Menu menu) {
+        // get references to menu items
+        final MenuItem searchMenuItem = menu.findItem(R.id.search_on_action_bar);
+        final MenuItem filterOptionMenuItem = menu.findItem(R.id.filter_option);
+        final MenuItem addContactOptionMenuItem = menu.findItem(R.id.add_contact);
+        final MenuItem callSettingsMenuItem = menu.findItem(R.id.menu_call_settings);
+        final MenuItem emptyRightMenuItem = menu.findItem(R.id.empty_right_menu_item);
+
+        // prepare the menu items
+        searchMenuItem.setVisible(true);
+        filterOptionMenuItem.setVisible(true);
+        addContactOptionMenuItem.setVisible(true);
+        callSettingsMenuItem.setVisible(true);
+        emptyRightMenuItem.setVisible(false);
+    }
+
+    @Override
+    public void startSearch(String initialQuery, boolean selectInitialQuery,
+            Bundle appSearchData, boolean globalSearch) {
+        if (mSearchFragment != null && mSearchFragment.isAdded() && !globalSearch) {
+            if (mInSearchUi) {
+                if (mSearchView.hasFocus()) {
+                    showInputMethod(mSearchView.findFocus());
+                } else {
+                    mSearchView.requestFocus();
+                }
+            } else {
+                enterSearchUi();
+            }
+        } else {
+            super.startSearch(initialQuery, selectInitialQuery, appSearchData, globalSearch);
+        }
+    }
+
+    /**
+     * Hides every tab and shows search UI for phone lookup.
+     */
+    private void enterSearchUi() {
+        if (mSearchFragment == null) {
+            // We add the search fragment dynamically in the first onLayoutChange() and
+            // mSearchFragment is set sometime later when the fragment transaction is actually
+            // executed, which means there's a window when users are able to hit the (physical)
+            // search key but mSearchFragment is still null.
+            // It's quite hard to handle this case right, so let's just ignore the search key
+            // in this case.  Users can just hit it again and it will work this time.
+            return;
+        }
+        if (mSearchView == null) {
+            prepareSearchView();
+        }
+
+        final ActionBar actionBar = getActionBar();
+
+        final Tab tab = actionBar.getSelectedTab();
+
+        // User can search during the call, but we don't want to remember the status.
+        if (tab != null && !DialpadFragment.phoneIsInUse()) {
+            mLastManuallySelectedFragment = tab.getPosition();
+        }
+
+        mSearchView.setQuery(null, true);
+
+        actionBar.setDisplayShowCustomEnabled(true);
+        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
+        actionBar.setDisplayShowHomeEnabled(true);
+        actionBar.setDisplayHomeAsUpEnabled(true);
+
+        updateFakeMenuButtonsVisibility(false);
+
+        for (int i = 0; i < TAB_INDEX_COUNT; i++) {
+            sendFragmentVisibilityChange(i, false /* not visible */ );
+        }
+
+        // Show the search fragment and hide everything else.
+        mSearchFragment.setUserVisibleHint(true);
+        final FragmentTransaction transaction = getFragmentManager().beginTransaction();
+        transaction.show(mSearchFragment);
+        transaction.commitAllowingStateLoss();
+        mViewPager.setVisibility(View.GONE);
+
+        // We need to call this and onActionViewCollapsed() manually, since we are using a custom
+        // layout instead of asking the search menu item to take care of SearchView.
+        mSearchView.onActionViewExpanded();
+        mInSearchUi = true;
+    }
+
+    private void showInputMethod(View view) {
+        InputMethodManager imm = (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE);
+        if (imm != null) {
+            if (!imm.showSoftInput(view, 0)) {
+                Log.w(TAG, "Failed to show soft input method.");
+            }
+        }
+    }
+
+    private void hideInputMethod(View view) {
+        InputMethodManager imm = (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE);
+        if (imm != null && view != null) {
+            imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
+        }
+    }
+
+    /**
+     * Goes back to usual Phone UI with tags. Previously selected Tag and associated Fragment
+     * should be automatically focused again.
+     */
+    private void exitSearchUi() {
+        final ActionBar actionBar = getActionBar();
+
+        // Hide the search fragment, if exists.
+        if (mSearchFragment != null) {
+            mSearchFragment.setUserVisibleHint(false);
+
+            final FragmentTransaction transaction = getFragmentManager().beginTransaction();
+            transaction.hide(mSearchFragment);
+            transaction.commitAllowingStateLoss();
+        }
+
+        // We want to hide SearchView and show Tabs. Also focus on previously selected one.
+        actionBar.setDisplayShowCustomEnabled(false);
+        actionBar.setDisplayShowHomeEnabled(false);
+        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
+
+        for (int i = 0; i < TAB_INDEX_COUNT; i++) {
+            sendFragmentVisibilityChange(i, i == mViewPager.getCurrentItem());
+        }
+
+        // Before exiting the search screen, reset swipe state.
+        mDuringSwipe = false;
+        mUserTabClick = false;
+
+        mViewPager.setVisibility(View.VISIBLE);
+
+        hideInputMethod(getCurrentFocus());
+
+        // Request to update option menu.
+        invalidateOptionsMenu();
+
+        // See comments in onActionViewExpanded()
+        mSearchView.onActionViewCollapsed();
+        mInSearchUi = false;
+    }
+
+    private Fragment getFragmentAt(int position) {
+        switch (position) {
+            case TAB_INDEX_DIALER:
+                return mDialpadFragment;
+            case TAB_INDEX_CALL_LOG:
+                return mCallLogFragment;
+            case TAB_INDEX_FAVORITES:
+                return mPhoneFavoriteFragment;
+            default:
+                throw new IllegalStateException("Unknown fragment index: " + position);
+        }
+    }
+
+    private void sendFragmentVisibilityChange(int position, boolean visibility) {
+        if (DEBUG) {
+            Log.d(TAG, "sendFragmentVisibiltyChange(). position: " + position
+                    + ", visibility: " + visibility);
+        }
+        // Position can be -1 initially. See PageChangeListener.
+        if (position >= 0) {
+            final Fragment fragment = getFragmentAt(position);
+            if (fragment != null) {
+                fragment.setMenuVisibility(visibility);
+                fragment.setUserVisibleHint(visibility);
+            }
+        }
+    }
+
+    /**
+     * Update visibility of the search button and menu button at the bottom.
+     * They should be invisible when bottom ActionBar's real items are available, and be visible
+     * otherwise.
+     *
+     * @param visible True when visible.
+     */
+    private void updateFakeMenuButtonsVisibility(boolean visible) {
+        // Note: Landscape mode does not have the fake menu and search buttons.
+        if (DEBUG) {
+            Log.d(TAG, "updateFakeMenuButtonVisibility(" + visible + ")");
+        }
+
+        if (mSearchButton != null) {
+            if (visible) {
+                mSearchButton.setVisibility(View.VISIBLE);
+            } else {
+                mSearchButton.setVisibility(View.INVISIBLE);
+            }
+        }
+        if (mMenuButton != null) {
+            if (visible && !ViewConfiguration.get(this).hasPermanentMenuKey()) {
+                mMenuButton.setVisibility(View.VISIBLE);
+            } else {
+                mMenuButton.setVisibility(View.INVISIBLE);
+            }
+        }
+    }
+
+    /** Returns an Intent to launch Call Settings screen */
+    public static Intent getCallSettingsIntent() {
+        final Intent intent = new Intent(Intent.ACTION_MAIN);
+        intent.setClassName(PHONE_PACKAGE, CALL_SETTINGS_CLASS_NAME);
+        intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
+        return intent;
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        if (resultCode != Activity.RESULT_OK) {
+            return;
+        }
+        switch (requestCode) {
+            case SUBACTIVITY_ACCOUNT_FILTER: {
+                AccountFilterUtil.handleAccountFilterResult(
+                        mContactListFilterController, resultCode, data);
+            }
+            break;
+        }
+    }
+}