java/com/android/dialer/app/list/ListsFragment.java - platform/packages/apps/Dialer - Gitiles

 /*
  * Copyright (C) 2013 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.app.list;

 import static com.android.dialer.app.list.DialtactsPagerAdapter.TAB_COUNT_WITH_VOICEMAIL;
 import static com.android.dialer.app.list.DialtactsPagerAdapter.TAB_INDEX_ALL_CONTACTS;
 import static com.android.dialer.app.list.DialtactsPagerAdapter.TAB_INDEX_HISTORY;
 import static com.android.dialer.app.list.DialtactsPagerAdapter.TAB_INDEX_SPEED_DIAL;
 import static com.android.dialer.app.list.DialtactsPagerAdapter.TAB_INDEX_VOICEMAIL;

 import android.app.Fragment;
 import android.content.SharedPreferences;
 import android.database.ContentObserver;
 import android.database.Cursor;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Trace;
 import android.preference.PreferenceManager;
 import android.provider.VoicemailContract;
 import android.support.v4.view.ViewPager.OnPageChangeListener;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import com.android.contacts.common.list.ViewPagerTabs;
 import com.android.dialer.app.R;
 import com.android.dialer.app.calllog.CallLogFragment;
 import com.android.dialer.app.calllog.CallLogNotificationsService;
 import com.android.dialer.app.voicemail.error.VoicemailStatusCorruptionHandler;
 import com.android.dialer.app.voicemail.error.VoicemailStatusCorruptionHandler.Source;
 import com.android.dialer.common.LogUtil;
 import com.android.dialer.database.CallLogQueryHandler;
 import com.android.dialer.database.CallLogQueryHandler.Listener;
 import com.android.dialer.logging.DialerImpression;
 import com.android.dialer.logging.Logger;
 import com.android.dialer.logging.ScreenEvent;
 import com.android.dialer.logging.UiAction;
 import com.android.dialer.performancereport.PerformanceReport;
 import com.android.dialer.speeddial.SpeedDialFragment;
 import com.android.dialer.util.PermissionsUtil;
 import com.android.dialer.voicemailstatus.VisualVoicemailEnabledChecker;
 import com.android.dialer.voicemailstatus.VoicemailStatusHelper;
 import java.util.ArrayList;

 /**
  * Fragment that is used as the main screen of the Dialer.
  *
  * <p>Contains a ViewPager that contains various contact lists like the Speed Dial list and the All
  * Contacts list. This will also eventually contain the logic that allows sliding the ViewPager
  * containing the lists up above the search bar and pin it against the top of the screen.
  */
 public class ListsFragment extends Fragment implements OnPageChangeListener, Listener {

   private static final String TAG = "ListsFragment";

   private DialerViewPager mViewPager;
   private ViewPagerTabs mViewPagerTabs;
   private DialtactsPagerAdapter mAdapter;
   private RemoveView mRemoveView;
   private View mRemoveViewContent;
   private Fragment mCurrentPage;
   private SharedPreferences mPrefs;
   private boolean mHasFetchedVoicemailStatus;
   private boolean mShowVoicemailTabAfterVoicemailStatusIsFetched;
   private VoicemailStatusHelper mVoicemailStatusHelper;
   private final ArrayList<OnPageChangeListener> mOnPageChangeListeners = new ArrayList<>();
   /** The position of the currently selected tab. */
   private int mTabIndex = TAB_INDEX_SPEED_DIAL;

   private boolean mPaused;
   private CallLogQueryHandler mCallLogQueryHandler;

   private UiAction.Type[] actionTypeList;

   private final ContentObserver mVoicemailStatusObserver =
       new ContentObserver(new Handler()) {
         @Override
         public void onChange(boolean selfChange) {
           super.onChange(selfChange);
           mCallLogQueryHandler.fetchVoicemailStatus();
         }
       };

   @Override
   public void onCreate(Bundle savedInstanceState) {
     LogUtil.d("ListsFragment.onCreate", null);
     Trace.beginSection(TAG + " onCreate");
     super.onCreate(savedInstanceState);
     mVoicemailStatusHelper = new VoicemailStatusHelper();
     mPrefs = PreferenceManager.getDefaultSharedPreferences(getActivity());
     Trace.endSection();
   }

   @Override
   public void onResume() {
     LogUtil.d("ListsFragment.onResume", null);
     Trace.beginSection(TAG + " onResume");
     super.onResume();

     mPaused = false;

     if (getUserVisibleHint()) {
       sendScreenViewForCurrentPosition();
     }

     // Fetch voicemail status to determine if we should show the voicemail tab.
     mCallLogQueryHandler =
         new CallLogQueryHandler(getActivity(), getActivity().getContentResolver(), this);
     mCallLogQueryHandler.fetchVoicemailStatus();
     mCallLogQueryHandler.fetchMissedCallsUnreadCount();
     Trace.endSection();
     mCurrentPage = mAdapter.getItem(mViewPager.getCurrentItem());
     if (mCurrentPage instanceof CallLogFragment) {
       ((CallLogFragment) mCurrentPage).onVisible();
     }
   }

   @Override
   public void onPause() {
     LogUtil.d("ListsFragment.onPause", null);
     if (mCurrentPage instanceof CallLogFragment) {
       ((CallLogFragment) mCurrentPage).onNotVisible();
     }
     super.onPause();

     mPaused = true;
   }

   @Override
   public void onDestroyView() {
     super.onDestroyView();
     mViewPager.removeOnPageChangeListener(this);
   }

   @Override
   public View onCreateView(
       LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
     LogUtil.d("ListsFragment.onCreateView", null);
     Trace.beginSection(TAG + " onCreateView");
     Trace.beginSection(TAG + " inflate view");
     final View parentView = inflater.inflate(R.layout.lists_fragment, container, false);
     Trace.endSection();
     Trace.beginSection(TAG + " setup views");

     actionTypeList = new UiAction.Type[TAB_COUNT_WITH_VOICEMAIL];
     actionTypeList[TAB_INDEX_SPEED_DIAL] = UiAction.Type.CHANGE_TAB_TO_FAVORITE;
     actionTypeList[TAB_INDEX_HISTORY] = UiAction.Type.CHANGE_TAB_TO_CALL_LOG;
     actionTypeList[TAB_INDEX_ALL_CONTACTS] = UiAction.Type.CHANGE_TAB_TO_CONTACTS;
     actionTypeList[TAB_INDEX_VOICEMAIL] = UiAction.Type.CHANGE_TAB_TO_VOICEMAIL;

     String[] tabTitles = new String[TAB_COUNT_WITH_VOICEMAIL];
     tabTitles[TAB_INDEX_SPEED_DIAL] = getResources().getString(R.string.tab_speed_dial);
     tabTitles[TAB_INDEX_HISTORY] = getResources().getString(R.string.tab_history);
     tabTitles[TAB_INDEX_ALL_CONTACTS] = getResources().getString(R.string.tab_all_contacts);
     tabTitles[TAB_INDEX_VOICEMAIL] = getResources().getString(R.string.tab_voicemail);

     int[] tabIcons = new int[TAB_COUNT_WITH_VOICEMAIL];
     tabIcons[TAB_INDEX_SPEED_DIAL] = R.drawable.quantum_ic_grade_white_24;
     tabIcons[TAB_INDEX_HISTORY] = R.drawable.quantum_ic_schedule_white_24;
     tabIcons[TAB_INDEX_ALL_CONTACTS] = R.drawable.quantum_ic_people_white_24;
     tabIcons[TAB_INDEX_VOICEMAIL] = R.drawable.quantum_ic_voicemail_white_24;

     mViewPager = (DialerViewPager) parentView.findViewById(R.id.lists_pager);
     mAdapter =
         new DialtactsPagerAdapter(
             getContext(),
             getChildFragmentManager(),
             tabTitles,
             mPrefs.getBoolean(
                 VisualVoicemailEnabledChecker.PREF_KEY_HAS_ACTIVE_VOICEMAIL_PROVIDER, false));
     mViewPager.setAdapter(mAdapter);
     mViewPager.setOffscreenPageLimit(TAB_COUNT_WITH_VOICEMAIL - 1);
     mViewPager.addOnPageChangeListener(this);
     showTab(TAB_INDEX_SPEED_DIAL);

     mViewPagerTabs = (ViewPagerTabs) parentView.findViewById(R.id.lists_pager_header);
     mViewPagerTabs.configureTabIcons(tabIcons);
     mViewPagerTabs.setViewPager(mViewPager);
     addOnPageChangeListener(mViewPagerTabs);
     mRemoveView = (RemoveView) parentView.findViewById(R.id.remove_view);
     mRemoveViewContent = parentView.findViewById(R.id.remove_view_content);

     if (PermissionsUtil.hasReadVoicemailPermissions(getContext())
         && PermissionsUtil.hasAddVoicemailPermissions(getContext())) {
       getActivity()
           .getContentResolver()
           .registerContentObserver(
               VoicemailContract.Status.CONTENT_URI, true, mVoicemailStatusObserver);
     } else {
       LogUtil.w("ListsFragment.onCreateView", "no voicemail read permissions");
     }

     Trace.endSection();
     Trace.endSection();
     return parentView;
   }

   @Override
   public void onDestroy() {
     getActivity().getContentResolver().unregisterContentObserver(mVoicemailStatusObserver);
     super.onDestroy();
   }

   public void addOnPageChangeListener(OnPageChangeListener onPageChangeListener) {
     if (!mOnPageChangeListeners.contains(onPageChangeListener)) {
       mOnPageChangeListeners.add(onPageChangeListener);
     }
   }

   /**
    * Shows the tab with the specified index. If the voicemail tab index is specified, but the
    * voicemail status hasn't been fetched, it will show the speed dial tab and try to show the
    * voicemail tab after the voicemail status has been fetched.
    */
   public void showTab(int index) {
     if (index == TAB_INDEX_VOICEMAIL) {
       if (mAdapter.hasActiveVoicemailProvider()) {
         mViewPager.setCurrentItem(mAdapter.getRtlPosition(TAB_INDEX_VOICEMAIL));
       } else if (!mHasFetchedVoicemailStatus) {
         // Try to show the voicemail tab after the voicemail status returns.
         mShowVoicemailTabAfterVoicemailStatusIsFetched = true;
       }
     } else if (index < getTabCount()) {
       mViewPager.setCurrentItem(mAdapter.getRtlPosition(index));
     }
   }

   @Override
   public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
     mTabIndex = mAdapter.getRtlPosition(position);

     final int count = mOnPageChangeListeners.size();
     for (int i = 0; i < count; i++) {
       mOnPageChangeListeners.get(i).onPageScrolled(position, positionOffset, positionOffsetPixels);
     }
   }

   @Override
   public void onPageSelected(int position) {
     PerformanceReport.recordClick(actionTypeList[position]);

     LogUtil.i("ListsFragment.onPageSelected", "position: %d", position);
     mTabIndex = mAdapter.getRtlPosition(position);

     // Show the tab which has been selected instead.
     mShowVoicemailTabAfterVoicemailStatusIsFetched = false;

     final int count = mOnPageChangeListeners.size();
     for (int i = 0; i < count; i++) {
       mOnPageChangeListeners.get(i).onPageSelected(position);
     }
     sendScreenViewForCurrentPosition();

     if (mCurrentPage instanceof CallLogFragment) {
       ((CallLogFragment) mCurrentPage).onNotVisible();
     }
     mCurrentPage = mAdapter.getItem(position);
     if (mCurrentPage instanceof CallLogFragment) {
       ((CallLogFragment) mCurrentPage).onVisible();
     }
   }

   @Override
   public void onPageScrollStateChanged(int state) {
     final int count = mOnPageChangeListeners.size();
     for (int i = 0; i < count; i++) {
       mOnPageChangeListeners.get(i).onPageScrollStateChanged(state);
     }
   }

   @Override
   public void onVoicemailStatusFetched(Cursor statusCursor) {
     mHasFetchedVoicemailStatus = true;

     if (getActivity() == null || mPaused) {
       return;
     }

     VoicemailStatusCorruptionHandler.maybeFixVoicemailStatus(
         getContext(), statusCursor, Source.Activity);

     // Update hasActiveVoicemailProvider, which controls the number of tabs displayed.
     boolean hasActiveVoicemailProvider =
         mVoicemailStatusHelper.getNumberActivityVoicemailSources(statusCursor) > 0;
     if (hasActiveVoicemailProvider != mAdapter.hasActiveVoicemailProvider()) {
       mAdapter.setHasActiveVoicemailProvider(hasActiveVoicemailProvider);
       mAdapter.notifyDataSetChanged();

       if (hasActiveVoicemailProvider) {
         Logger.get(getContext()).logImpression(DialerImpression.Type.VVM_TAB_VISIBLE);
         mViewPagerTabs.updateTab(TAB_INDEX_VOICEMAIL);
       } else {
         mViewPagerTabs.removeTab(TAB_INDEX_VOICEMAIL);
         mAdapter.removeVoicemailFragment(getChildFragmentManager());
       }

       mPrefs
           .edit()
           .putBoolean(
               VisualVoicemailEnabledChecker.PREF_KEY_HAS_ACTIVE_VOICEMAIL_PROVIDER,
               hasActiveVoicemailProvider)
           .apply();
     }

     if (hasActiveVoicemailProvider) {
       mCallLogQueryHandler.fetchVoicemailUnreadCount();
     }

     if (mAdapter.hasActiveVoicemailProvider() && mShowVoicemailTabAfterVoicemailStatusIsFetched) {
       mShowVoicemailTabAfterVoicemailStatusIsFetched = false;
       showTab(TAB_INDEX_VOICEMAIL);
     }
   }

   @Override
   public void onVoicemailUnreadCountFetched(Cursor cursor) {
     if (getActivity() == null || getActivity().isFinishing() || cursor == null) {
       return;
     }

     int count = 0;
     try {
       count = cursor.getCount();
     } finally {
       cursor.close();
     }

     mViewPagerTabs.setUnreadCount(count, TAB_INDEX_VOICEMAIL);
     mViewPagerTabs.updateTab(TAB_INDEX_VOICEMAIL);
   }

   @Override
   public void onMissedCallsUnreadCountFetched(Cursor cursor) {
     if (getActivity() == null || getActivity().isFinishing() || cursor == null) {
       return;
     }

     int count = 0;
     try {
       count = cursor.getCount();
     } finally {
       cursor.close();
     }

     mViewPagerTabs.setUnreadCount(count, TAB_INDEX_HISTORY);
     mViewPagerTabs.updateTab(TAB_INDEX_HISTORY);
   }

   @Override
   public boolean onCallsFetched(Cursor statusCursor) {
     // Return false; did not take ownership of cursor
     return false;
   }

   public int getCurrentTabIndex() {
     return mTabIndex;
   }

   /**
    * External method to update unread count because the unread count changes when the user expands a
    * voicemail in the call log or when the user expands an unread call in the call history tab.
    */
   public void updateTabUnreadCounts() {
     if (mCallLogQueryHandler != null) {
       mCallLogQueryHandler.fetchMissedCallsUnreadCount();
       if (mAdapter.hasActiveVoicemailProvider()) {
         mCallLogQueryHandler.fetchVoicemailUnreadCount();
       }
     }
   }

   /** External method to mark all missed calls as read. */
   public void markMissedCallsAsReadAndRemoveNotifications() {
     if (mCallLogQueryHandler != null) {
       mCallLogQueryHandler.markMissedCallsAsRead();
       CallLogNotificationsService.cancelAllMissedCalls(getContext());
     }
   }

   public void showRemoveView(boolean show) {
     mRemoveViewContent.setVisibility(show ? View.VISIBLE : View.GONE);
     mRemoveView.setAlpha(show ? 0 : 1);
     mRemoveView.animate().alpha(show ? 1 : 0).start();
   }

   public void showMultiSelectRemoveView(boolean show) {
     mViewPagerTabs.setVisibility(show ? View.GONE : View.VISIBLE);
     mViewPager.setEnableSwipingPages(!show);
   }

   public boolean hasFrequents() {
     Fragment page = mAdapter.getItem(mAdapter.getRtlPosition(TAB_INDEX_SPEED_DIAL));
     return page instanceof OldSpeedDialFragment
         ? ((OldSpeedDialFragment) page).hasFrequents()
         : ((SpeedDialFragment) page).hasFrequents();
   }

   public RemoveView getRemoveView() {
     return mRemoveView;
   }

   public int getTabCount() {
     return mAdapter.getCount();
   }

   public void sendScreenViewForCurrentPosition() {
     if (!isResumed()) {
       return;
     }

     ScreenEvent.Type screenType;
     switch (getCurrentTabIndex()) {
       case TAB_INDEX_SPEED_DIAL:
         screenType = ScreenEvent.Type.SPEED_DIAL;
         break;
       case TAB_INDEX_HISTORY:
         screenType = ScreenEvent.Type.CALL_LOG;
         break;
       case TAB_INDEX_ALL_CONTACTS:
         screenType = ScreenEvent.Type.ALL_CONTACTS;
         break;
       case TAB_INDEX_VOICEMAIL:
         screenType = ScreenEvent.Type.VOICEMAIL_LOG;
         break;
       default:
         return;
     }
     Logger.get(getActivity()).logScreenView(screenType, getActivity());
   }
 }
	/*
	* Copyright (C) 2013 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.app.list;

	import static com.android.dialer.app.list.DialtactsPagerAdapter.TAB_COUNT_WITH_VOICEMAIL;
	import static com.android.dialer.app.list.DialtactsPagerAdapter.TAB_INDEX_ALL_CONTACTS;
	import static com.android.dialer.app.list.DialtactsPagerAdapter.TAB_INDEX_HISTORY;
	import static com.android.dialer.app.list.DialtactsPagerAdapter.TAB_INDEX_SPEED_DIAL;
	import static com.android.dialer.app.list.DialtactsPagerAdapter.TAB_INDEX_VOICEMAIL;

	import android.app.Fragment;
	import android.content.SharedPreferences;
	import android.database.ContentObserver;
	import android.database.Cursor;
	import android.os.Bundle;
	import android.os.Handler;
	import android.os.Trace;
	import android.preference.PreferenceManager;
	import android.provider.VoicemailContract;
	import android.support.v4.view.ViewPager.OnPageChangeListener;
	import android.view.LayoutInflater;
	import android.view.View;
	import android.view.ViewGroup;
	import com.android.contacts.common.list.ViewPagerTabs;
	import com.android.dialer.app.R;
	import com.android.dialer.app.calllog.CallLogFragment;
	import com.android.dialer.app.calllog.CallLogNotificationsService;
	import com.android.dialer.app.voicemail.error.VoicemailStatusCorruptionHandler;
	import com.android.dialer.app.voicemail.error.VoicemailStatusCorruptionHandler.Source;
	import com.android.dialer.common.LogUtil;
	import com.android.dialer.database.CallLogQueryHandler;
	import com.android.dialer.database.CallLogQueryHandler.Listener;
	import com.android.dialer.logging.DialerImpression;
	import com.android.dialer.logging.Logger;
	import com.android.dialer.logging.ScreenEvent;
	import com.android.dialer.logging.UiAction;
	import com.android.dialer.performancereport.PerformanceReport;
	import com.android.dialer.speeddial.SpeedDialFragment;
	import com.android.dialer.util.PermissionsUtil;
	import com.android.dialer.voicemailstatus.VisualVoicemailEnabledChecker;
	import com.android.dialer.voicemailstatus.VoicemailStatusHelper;
	import java.util.ArrayList;

	/**
	* Fragment that is used as the main screen of the Dialer.
	*
	* <p>Contains a ViewPager that contains various contact lists like the Speed Dial list and the All
	* Contacts list. This will also eventually contain the logic that allows sliding the ViewPager
	* containing the lists up above the search bar and pin it against the top of the screen.
	*/
	public class ListsFragment extends Fragment implements OnPageChangeListener, Listener {

	private static final String TAG = "ListsFragment";

	private DialerViewPager mViewPager;
	private ViewPagerTabs mViewPagerTabs;
	private DialtactsPagerAdapter mAdapter;
	private RemoveView mRemoveView;
	private View mRemoveViewContent;
	private Fragment mCurrentPage;
	private SharedPreferences mPrefs;
	private boolean mHasFetchedVoicemailStatus;
	private boolean mShowVoicemailTabAfterVoicemailStatusIsFetched;
	private VoicemailStatusHelper mVoicemailStatusHelper;
	private final ArrayList<OnPageChangeListener> mOnPageChangeListeners = new ArrayList<>();
	/** The position of the currently selected tab. */
	private int mTabIndex = TAB_INDEX_SPEED_DIAL;

	private boolean mPaused;
	private CallLogQueryHandler mCallLogQueryHandler;

	private UiAction.Type[] actionTypeList;

	private final ContentObserver mVoicemailStatusObserver =
	new ContentObserver(new Handler()) {
	@Override
	public void onChange(boolean selfChange) {
	super.onChange(selfChange);
	mCallLogQueryHandler.fetchVoicemailStatus();
	}
	};

	@Override
	public void onCreate(Bundle savedInstanceState) {
	LogUtil.d("ListsFragment.onCreate", null);
	Trace.beginSection(TAG + " onCreate");
	super.onCreate(savedInstanceState);
	mVoicemailStatusHelper = new VoicemailStatusHelper();
	mPrefs = PreferenceManager.getDefaultSharedPreferences(getActivity());
	Trace.endSection();
	}

	@Override
	public void onResume() {
	LogUtil.d("ListsFragment.onResume", null);
	Trace.beginSection(TAG + " onResume");
	super.onResume();

	mPaused = false;

	if (getUserVisibleHint()) {
	sendScreenViewForCurrentPosition();
	}

	// Fetch voicemail status to determine if we should show the voicemail tab.
	mCallLogQueryHandler =
	new CallLogQueryHandler(getActivity(), getActivity().getContentResolver(), this);
	mCallLogQueryHandler.fetchVoicemailStatus();
	mCallLogQueryHandler.fetchMissedCallsUnreadCount();
	Trace.endSection();
	mCurrentPage = mAdapter.getItem(mViewPager.getCurrentItem());
	if (mCurrentPage instanceof CallLogFragment) {
	((CallLogFragment) mCurrentPage).onVisible();
	}
	}

	@Override
	public void onPause() {
	LogUtil.d("ListsFragment.onPause", null);
	if (mCurrentPage instanceof CallLogFragment) {
	((CallLogFragment) mCurrentPage).onNotVisible();
	}
	super.onPause();

	mPaused = true;
	}

	@Override
	public void onDestroyView() {
	super.onDestroyView();
	mViewPager.removeOnPageChangeListener(this);
	}

	@Override
	public View onCreateView(
	LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
	LogUtil.d("ListsFragment.onCreateView", null);
	Trace.beginSection(TAG + " onCreateView");
	Trace.beginSection(TAG + " inflate view");
	final View parentView = inflater.inflate(R.layout.lists_fragment, container, false);
	Trace.endSection();
	Trace.beginSection(TAG + " setup views");

	actionTypeList = new UiAction.Type[TAB_COUNT_WITH_VOICEMAIL];
	actionTypeList[TAB_INDEX_SPEED_DIAL] = UiAction.Type.CHANGE_TAB_TO_FAVORITE;
	actionTypeList[TAB_INDEX_HISTORY] = UiAction.Type.CHANGE_TAB_TO_CALL_LOG;
	actionTypeList[TAB_INDEX_ALL_CONTACTS] = UiAction.Type.CHANGE_TAB_TO_CONTACTS;
	actionTypeList[TAB_INDEX_VOICEMAIL] = UiAction.Type.CHANGE_TAB_TO_VOICEMAIL;

	String[] tabTitles = new String[TAB_COUNT_WITH_VOICEMAIL];
	tabTitles[TAB_INDEX_SPEED_DIAL] = getResources().getString(R.string.tab_speed_dial);
	tabTitles[TAB_INDEX_HISTORY] = getResources().getString(R.string.tab_history);
	tabTitles[TAB_INDEX_ALL_CONTACTS] = getResources().getString(R.string.tab_all_contacts);
	tabTitles[TAB_INDEX_VOICEMAIL] = getResources().getString(R.string.tab_voicemail);

	int[] tabIcons = new int[TAB_COUNT_WITH_VOICEMAIL];
	tabIcons[TAB_INDEX_SPEED_DIAL] = R.drawable.quantum_ic_grade_white_24;
	tabIcons[TAB_INDEX_HISTORY] = R.drawable.quantum_ic_schedule_white_24;
	tabIcons[TAB_INDEX_ALL_CONTACTS] = R.drawable.quantum_ic_people_white_24;
	tabIcons[TAB_INDEX_VOICEMAIL] = R.drawable.quantum_ic_voicemail_white_24;

	mViewPager = (DialerViewPager) parentView.findViewById(R.id.lists_pager);
	mAdapter =
	new DialtactsPagerAdapter(
	getContext(),
	getChildFragmentManager(),
	tabTitles,
	mPrefs.getBoolean(
	VisualVoicemailEnabledChecker.PREF_KEY_HAS_ACTIVE_VOICEMAIL_PROVIDER, false));
	mViewPager.setAdapter(mAdapter);
	mViewPager.setOffscreenPageLimit(TAB_COUNT_WITH_VOICEMAIL - 1);
	mViewPager.addOnPageChangeListener(this);
	showTab(TAB_INDEX_SPEED_DIAL);

	mViewPagerTabs = (ViewPagerTabs) parentView.findViewById(R.id.lists_pager_header);
	mViewPagerTabs.configureTabIcons(tabIcons);
	mViewPagerTabs.setViewPager(mViewPager);
	addOnPageChangeListener(mViewPagerTabs);
	mRemoveView = (RemoveView) parentView.findViewById(R.id.remove_view);
	mRemoveViewContent = parentView.findViewById(R.id.remove_view_content);

	if (PermissionsUtil.hasReadVoicemailPermissions(getContext())
	&& PermissionsUtil.hasAddVoicemailPermissions(getContext())) {
	getActivity()
	.getContentResolver()
	.registerContentObserver(
	VoicemailContract.Status.CONTENT_URI, true, mVoicemailStatusObserver);
	} else {
	LogUtil.w("ListsFragment.onCreateView", "no voicemail read permissions");
	}

	Trace.endSection();
	Trace.endSection();
	return parentView;
	}

	@Override
	public void onDestroy() {
	getActivity().getContentResolver().unregisterContentObserver(mVoicemailStatusObserver);
	super.onDestroy();
	}

	public void addOnPageChangeListener(OnPageChangeListener onPageChangeListener) {
	if (!mOnPageChangeListeners.contains(onPageChangeListener)) {
	mOnPageChangeListeners.add(onPageChangeListener);
	}
	}

	/**
	* Shows the tab with the specified index. If the voicemail tab index is specified, but the
	* voicemail status hasn't been fetched, it will show the speed dial tab and try to show the
	* voicemail tab after the voicemail status has been fetched.
	*/
	public void showTab(int index) {
	if (index == TAB_INDEX_VOICEMAIL) {
	if (mAdapter.hasActiveVoicemailProvider()) {
	mViewPager.setCurrentItem(mAdapter.getRtlPosition(TAB_INDEX_VOICEMAIL));
	} else if (!mHasFetchedVoicemailStatus) {
	// Try to show the voicemail tab after the voicemail status returns.
	mShowVoicemailTabAfterVoicemailStatusIsFetched = true;
	}
	} else if (index < getTabCount()) {
	mViewPager.setCurrentItem(mAdapter.getRtlPosition(index));
	}
	}

	@Override
	public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
	mTabIndex = mAdapter.getRtlPosition(position);

	final int count = mOnPageChangeListeners.size();
	for (int i = 0; i < count; i++) {
	mOnPageChangeListeners.get(i).onPageScrolled(position, positionOffset, positionOffsetPixels);
	}
	}

	@Override
	public void onPageSelected(int position) {
	PerformanceReport.recordClick(actionTypeList[position]);

	LogUtil.i("ListsFragment.onPageSelected", "position: %d", position);
	mTabIndex = mAdapter.getRtlPosition(position);

	// Show the tab which has been selected instead.
	mShowVoicemailTabAfterVoicemailStatusIsFetched = false;

	final int count = mOnPageChangeListeners.size();
	for (int i = 0; i < count; i++) {
	mOnPageChangeListeners.get(i).onPageSelected(position);
	}
	sendScreenViewForCurrentPosition();

	if (mCurrentPage instanceof CallLogFragment) {
	((CallLogFragment) mCurrentPage).onNotVisible();
	}
	mCurrentPage = mAdapter.getItem(position);
	if (mCurrentPage instanceof CallLogFragment) {
	((CallLogFragment) mCurrentPage).onVisible();
	}
	}

	@Override
	public void onPageScrollStateChanged(int state) {
	final int count = mOnPageChangeListeners.size();
	for (int i = 0; i < count; i++) {
	mOnPageChangeListeners.get(i).onPageScrollStateChanged(state);
	}
	}

	@Override
	public void onVoicemailStatusFetched(Cursor statusCursor) {
	mHasFetchedVoicemailStatus = true;

	if (getActivity() == null \|\| mPaused) {
	return;
	}

	VoicemailStatusCorruptionHandler.maybeFixVoicemailStatus(
	getContext(), statusCursor, Source.Activity);

	// Update hasActiveVoicemailProvider, which controls the number of tabs displayed.
	boolean hasActiveVoicemailProvider =
	mVoicemailStatusHelper.getNumberActivityVoicemailSources(statusCursor) > 0;
	if (hasActiveVoicemailProvider != mAdapter.hasActiveVoicemailProvider()) {
	mAdapter.setHasActiveVoicemailProvider(hasActiveVoicemailProvider);
	mAdapter.notifyDataSetChanged();

	if (hasActiveVoicemailProvider) {
	Logger.get(getContext()).logImpression(DialerImpression.Type.VVM_TAB_VISIBLE);
	mViewPagerTabs.updateTab(TAB_INDEX_VOICEMAIL);
	} else {
	mViewPagerTabs.removeTab(TAB_INDEX_VOICEMAIL);
	mAdapter.removeVoicemailFragment(getChildFragmentManager());
	}

	mPrefs
	.edit()
	.putBoolean(
	VisualVoicemailEnabledChecker.PREF_KEY_HAS_ACTIVE_VOICEMAIL_PROVIDER,
	hasActiveVoicemailProvider)
	.apply();
	}

	if (hasActiveVoicemailProvider) {
	mCallLogQueryHandler.fetchVoicemailUnreadCount();
	}

	if (mAdapter.hasActiveVoicemailProvider() && mShowVoicemailTabAfterVoicemailStatusIsFetched) {
	mShowVoicemailTabAfterVoicemailStatusIsFetched = false;
	showTab(TAB_INDEX_VOICEMAIL);
	}
	}

	@Override
	public void onVoicemailUnreadCountFetched(Cursor cursor) {
	if (getActivity() == null \|\| getActivity().isFinishing() \|\| cursor == null) {
	return;
	}

	int count = 0;
	try {
	count = cursor.getCount();
	} finally {
	cursor.close();
	}

	mViewPagerTabs.setUnreadCount(count, TAB_INDEX_VOICEMAIL);
	mViewPagerTabs.updateTab(TAB_INDEX_VOICEMAIL);
	}

	@Override
	public void onMissedCallsUnreadCountFetched(Cursor cursor) {
	if (getActivity() == null \|\| getActivity().isFinishing() \|\| cursor == null) {
	return;
	}

	int count = 0;
	try {
	count = cursor.getCount();
	} finally {
	cursor.close();
	}

	mViewPagerTabs.setUnreadCount(count, TAB_INDEX_HISTORY);
	mViewPagerTabs.updateTab(TAB_INDEX_HISTORY);
	}

	@Override
	public boolean onCallsFetched(Cursor statusCursor) {
	// Return false; did not take ownership of cursor
	return false;
	}

	public int getCurrentTabIndex() {
	return mTabIndex;
	}

	/**
	* External method to update unread count because the unread count changes when the user expands a
	* voicemail in the call log or when the user expands an unread call in the call history tab.
	*/
	public void updateTabUnreadCounts() {
	if (mCallLogQueryHandler != null) {
	mCallLogQueryHandler.fetchMissedCallsUnreadCount();
	if (mAdapter.hasActiveVoicemailProvider()) {
	mCallLogQueryHandler.fetchVoicemailUnreadCount();
	}
	}
	}

	/** External method to mark all missed calls as read. */
	public void markMissedCallsAsReadAndRemoveNotifications() {
	if (mCallLogQueryHandler != null) {
	mCallLogQueryHandler.markMissedCallsAsRead();
	CallLogNotificationsService.cancelAllMissedCalls(getContext());
	}
	}

	public void showRemoveView(boolean show) {
	mRemoveViewContent.setVisibility(show ? View.VISIBLE : View.GONE);
	mRemoveView.setAlpha(show ? 0 : 1);
	mRemoveView.animate().alpha(show ? 1 : 0).start();
	}

	public void showMultiSelectRemoveView(boolean show) {
	mViewPagerTabs.setVisibility(show ? View.GONE : View.VISIBLE);
	mViewPager.setEnableSwipingPages(!show);
	}

	public boolean hasFrequents() {
	Fragment page = mAdapter.getItem(mAdapter.getRtlPosition(TAB_INDEX_SPEED_DIAL));
	return page instanceof OldSpeedDialFragment
	? ((OldSpeedDialFragment) page).hasFrequents()
	: ((SpeedDialFragment) page).hasFrequents();
	}

	public RemoveView getRemoveView() {
	return mRemoveView;
	}

	public int getTabCount() {
	return mAdapter.getCount();
	}

	public void sendScreenViewForCurrentPosition() {
	if (!isResumed()) {
	return;
	}

	ScreenEvent.Type screenType;
	switch (getCurrentTabIndex()) {
	case TAB_INDEX_SPEED_DIAL:
	screenType = ScreenEvent.Type.SPEED_DIAL;
	break;
	case TAB_INDEX_HISTORY:
	screenType = ScreenEvent.Type.CALL_LOG;
	break;
	case TAB_INDEX_ALL_CONTACTS:
	screenType = ScreenEvent.Type.ALL_CONTACTS;
	break;
	case TAB_INDEX_VOICEMAIL:
	screenType = ScreenEvent.Type.VOICEMAIL_LOG;
	break;
	default:
	return;
	}
	Logger.get(getActivity()).logScreenView(screenType, getActivity());
	}
	}