src/com/android/contacts/preference/DisplayOptionsPreferenceFragment.java - LeafOS-Project/android_packages_apps_Contacts - Gitiles

 /*
  * Copyright (C) 2010 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.contacts.preference;

 import android.accounts.Account;
 import android.app.Activity;
 import android.app.LoaderManager;
 import android.content.BroadcastReceiver;
 import android.content.ContentUris;
 import android.content.Context;
 import android.content.CursorLoader;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.Loader;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.content.res.Resources;
 import android.database.Cursor;
 import android.icu.text.MessageFormat;
 import android.net.Uri;
 import android.os.Bundle;
 import android.os.StrictMode;
 import android.preference.Preference;
 import android.preference.PreferenceFragment;
 import android.provider.BlockedNumberContract;
 import android.provider.ContactsContract.Contacts;
 import android.provider.ContactsContract.DisplayNameSources;
 import android.provider.ContactsContract.Profile;
 import android.provider.ContactsContract.Settings;
 import com.google.android.material.snackbar.Snackbar;
 import androidx.localbroadcastmanager.content.LocalBroadcastManager;
 import android.telecom.TelecomManager;
 import android.telephony.TelephonyManager;
 import android.text.BidiFormatter;
 import android.text.TextDirectionHeuristics;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.FrameLayout;
 import android.widget.ListView;

 import com.android.contacts.ContactsUtils;
 import com.android.contacts.R;
 import com.android.contacts.SimImportService;
 import com.android.contacts.compat.TelecomManagerUtil;
 import com.android.contacts.compat.TelephonyManagerCompat;
 import com.android.contacts.interactions.ExportDialogFragment;
 import com.android.contacts.interactions.ImportDialogFragment;
 import com.android.contacts.list.ContactListFilter;
 import com.android.contacts.list.ContactListFilterController;
 import com.android.contacts.logging.ScreenEvent.ScreenType;
 import com.android.contacts.model.AccountTypeManager;
 import com.android.contacts.model.account.AccountInfo;
 import com.android.contacts.model.account.AccountWithDataSet;
 import com.android.contacts.model.account.AccountsLoader;
 import com.android.contacts.util.AccountFilterUtil;
 import com.android.contacts.util.ImplicitIntentsUtil;
 import com.android.contactsbind.HelpUtils;

 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;

 /**
  * This fragment shows the preferences for "display options"
  */
 public class DisplayOptionsPreferenceFragment extends PreferenceFragment
         implements Preference.OnPreferenceClickListener, AccountsLoader.AccountsListener {

     private static final int REQUEST_CODE_CUSTOM_CONTACTS_FILTER = 0;
     private static final int REQUEST_CODE_SET_DEFAULT_ACCOUNT_CP2 = 1;

     private static final String ARG_CONTACTS_AVAILABLE = "are_contacts_available";
     private static final String ARG_NEW_LOCAL_PROFILE = "new_local_profile";

     private static final String KEY_ABOUT = "about";
     private static final String KEY_ACCOUNTS = "accounts";
     private static final String KEY_DEFAULT_ACCOUNT = "defaultAccount";
     private static final String KEY_BLOCKED_NUMBERS = "blockedNumbers";
     private static final String KEY_DISPLAY_ORDER = "displayOrder";
     private static final String KEY_CUSTOM_CONTACTS_FILTER = "customContactsFilter";
     private static final String KEY_IMPORT = "import";
     private static final String KEY_EXPORT = "export";
     private static final String KEY_MY_INFO = "myInfo";
     private static final String KEY_SORT_ORDER = "sortOrder";
     private static final String KEY_PHONETIC_NAME_DISPLAY = "phoneticNameDisplay";

     private static final int LOADER_PROFILE = 0;
     private static final int LOADER_ACCOUNTS = 1;

     /**
      * Callbacks for hosts of the {@link DisplayOptionsPreferenceFragment}.
      */
     public interface ProfileListener  {
         /**
          * Invoked after profile has been loaded.
          */
         void onProfileLoaded(Cursor data);
     }

     /**
      * The projections that are used to obtain user profile
      */
     public static class ProfileQuery {
         /**
          * Not instantiable.
          */
         private ProfileQuery() {}

         private static final String[] PROFILE_PROJECTION_PRIMARY = new String[] {
                 Contacts._ID,                           // 0
                 Contacts.DISPLAY_NAME_PRIMARY,          // 1
                 Contacts.IS_USER_PROFILE,               // 2
                 Contacts.DISPLAY_NAME_SOURCE,           // 3
         };

         private static final String[] PROFILE_PROJECTION_ALTERNATIVE = new String[] {
                 Contacts._ID,                           // 0
                 Contacts.DISPLAY_NAME_ALTERNATIVE,      // 1
                 Contacts.IS_USER_PROFILE,               // 2
                 Contacts.DISPLAY_NAME_SOURCE,           // 3
         };

         public static final int CONTACT_ID               = 0;
         public static final int CONTACT_DISPLAY_NAME     = 1;
         public static final int CONTACT_IS_USER_PROFILE  = 2;
         public static final int DISPLAY_NAME_SOURCE      = 3;
     }

     private String mNewLocalProfileExtra;
     private boolean mAreContactsAvailable;

     private boolean mHasProfile;
     private long mProfileContactId;

     private Preference mMyInfoPreference;

     private ProfileListener mListener;

     private ViewGroup mRootView;
     private SaveServiceResultListener mSaveServiceListener;

     private List<AccountInfo> accounts = Collections.emptyList();

     private final LoaderManager.LoaderCallbacks<Cursor> mProfileLoaderListener =
             new LoaderManager.LoaderCallbacks<Cursor>() {

         @Override
         public CursorLoader onCreateLoader(int id, Bundle args) {
             final CursorLoader loader = createCursorLoader(getContext());
             loader.setUri(Profile.CONTENT_URI);
             loader.setProjection(getProjection(getContext()));
             return loader;
         }

         @Override
         public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
             if (mListener != null) {
                 mListener.onProfileLoaded(data);
             }
         }

         public void onLoaderReset(Loader<Cursor> loader) {
         }
     };

     public static DisplayOptionsPreferenceFragment newInstance(String newLocalProfileExtra,
             boolean areContactsAvailable) {
         final DisplayOptionsPreferenceFragment fragment = new DisplayOptionsPreferenceFragment();
         final Bundle args = new Bundle();
         args.putString(ARG_NEW_LOCAL_PROFILE, newLocalProfileExtra);
         args.putBoolean(ARG_CONTACTS_AVAILABLE, areContactsAvailable);
         fragment.setArguments(args);
         return fragment;
     }

     @Override
     public void onAttach(Activity activity) {
         super.onAttach(activity);
         try {
             mListener = (ProfileListener) activity;
         } catch (ClassCastException e) {
             throw new ClassCastException(activity.toString() + " must implement ProfileListener");
         }
     }

     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
         // Wrap the preference view in a FrameLayout so we can show a snackbar
         mRootView = new FrameLayout(getActivity());
         final View list = super.onCreateView(inflater, mRootView, savedInstanceState);
         mRootView.addView(list);
         return mRootView;
     }

     @Override
     public void onViewCreated(View view, Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);

         mSaveServiceListener = new SaveServiceResultListener();
         LocalBroadcastManager.getInstance(getActivity()).registerReceiver(
                 mSaveServiceListener,
                 new IntentFilter(SimImportService.BROADCAST_SIM_IMPORT_COMPLETE));

         ListView lv = view.findViewById(android.R.id.list);
         if (lv != null) {
             lv.setDivider(null);
         }
     }

     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);

         // Load the preferences from an XML resource
         addPreferencesFromResource(R.xml.preference_display_options);

         final Bundle args = getArguments();
         mNewLocalProfileExtra = args.getString(ARG_NEW_LOCAL_PROFILE);
         mAreContactsAvailable = args.getBoolean(ARG_CONTACTS_AVAILABLE);

         removeUnsupportedPreferences();

         mMyInfoPreference = findPreference(KEY_MY_INFO);

         final Preference accountsPreference = findPreference(KEY_ACCOUNTS);
         accountsPreference.setOnPreferenceClickListener(this);

         final Preference importPreference = findPreference(KEY_IMPORT);
         importPreference.setOnPreferenceClickListener(this);

         final Preference exportPreference = findPreference(KEY_EXPORT);
         if (exportPreference != null) {
             exportPreference.setOnPreferenceClickListener(this);
         }

         final Preference blockedNumbersPreference = findPreference(KEY_BLOCKED_NUMBERS);
         if (blockedNumbersPreference != null) {
             blockedNumbersPreference.setOnPreferenceClickListener(this);
         }

         final Preference aboutPreference = findPreference(KEY_ABOUT);
         if (aboutPreference != null) {
             aboutPreference.setOnPreferenceClickListener(this);
         }

         final Preference customFilterPreference = findPreference(KEY_CUSTOM_CONTACTS_FILTER);
         if (customFilterPreference != null) {
             customFilterPreference.setOnPreferenceClickListener(this);
             setCustomContactsFilterSummary();
         }

         final Preference defaultAccountPreference = findPreference(KEY_DEFAULT_ACCOUNT);
         if (defaultAccountPreference != null) {
             defaultAccountPreference.setOnPreferenceClickListener(this);
             defaultAccountPreference.setSummary(getDefaultAccountSummary());
         }
     }

     @Override
     public void onActivityCreated(Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);
         getLoaderManager().initLoader(LOADER_PROFILE, null, mProfileLoaderListener);
         AccountsLoader.loadAccounts(this, LOADER_ACCOUNTS, AccountTypeManager.writableFilter());
     }

     @Override
     public void onDestroyView() {
         super.onDestroyView();
         LocalBroadcastManager.getInstance(getActivity()).unregisterReceiver(mSaveServiceListener);
         mRootView = null;
     }

     public void updateMyInfoPreference(boolean hasProfile, String displayName, long contactId,
             int displayNameSource) {
         final CharSequence summary = !hasProfile ?
                 getString(R.string.set_up_profile) :
                 displayNameSource == DisplayNameSources.PHONE ?
                 BidiFormatter.getInstance().unicodeWrap(displayName, TextDirectionHeuristics.LTR) :
                 displayName;
         mMyInfoPreference.setSummary(summary);
         mHasProfile = hasProfile;
         mProfileContactId = contactId;
         mMyInfoPreference.setOnPreferenceClickListener(this);
     }

     private void removeUnsupportedPreferences() {
         // Disable sort order for CJK locales where it is not supported
         final Resources resources = getResources();
         if (!resources.getBoolean(R.bool.config_sort_order_user_changeable)) {
             getPreferenceScreen().removePreference(findPreference(KEY_SORT_ORDER));
         }

         if (!resources.getBoolean(R.bool.config_phonetic_name_display_user_changeable)) {
             getPreferenceScreen().removePreference(findPreference(KEY_PHONETIC_NAME_DISPLAY));
         }

         if (HelpUtils.isHelpAndFeedbackAvailable()) {
             getPreferenceScreen().removePreference(findPreference(KEY_ABOUT));
         }

         // Disable display order for CJK locales as well
         if (!resources.getBoolean(R.bool.config_display_order_user_changeable)) {
             getPreferenceScreen().removePreference(findPreference(KEY_DISPLAY_ORDER));
         }

         final boolean isPhone = TelephonyManagerCompat.isVoiceCapable(
                 (TelephonyManager) getContext().getSystemService(Context.TELEPHONY_SERVICE));
         final boolean showBlockedNumbers = isPhone && ContactsUtils.FLAG_N_FEATURE
                 && BlockedNumberContract.canCurrentUserBlockNumbers(getContext());
         if (!showBlockedNumbers) {
             getPreferenceScreen().removePreference(findPreference(KEY_BLOCKED_NUMBERS));
         }

         if (!mAreContactsAvailable) {
             getPreferenceScreen().removePreference(findPreference(KEY_EXPORT));
         }
     }

     @Override
     public void onAccountsLoaded(List<AccountInfo> accounts) {
         // Hide accounts preferences if no writable accounts exist
         this.accounts = accounts;
         final Preference defaultAccountPreference =
                 findPreference(KEY_DEFAULT_ACCOUNT);
         defaultAccountPreference.setSummary(getDefaultAccountSummary());
     }

     @Override
     public Context getContext() {
         return getActivity();
     }

     private CursorLoader createCursorLoader(Context context) {
         return new CursorLoader(context) {
             @Override
             protected Cursor onLoadInBackground() {
                 try {
                     return super.onLoadInBackground();
                 } catch (RuntimeException e) {
                     return null;
                 }
             }
         };
     }

     private String[] getProjection(Context context) {
         final ContactsPreferences contactsPrefs = new ContactsPreferences(context);
         final int displayOrder = contactsPrefs.getDisplayOrder();
         if (displayOrder == ContactsPreferences.DISPLAY_ORDER_PRIMARY) {
             return ProfileQuery.PROFILE_PROJECTION_PRIMARY;
         }
         return ProfileQuery.PROFILE_PROJECTION_ALTERNATIVE;
     }

     @Override
     public boolean onPreferenceClick(Preference p) {
         final String prefKey = p.getKey();

         if (KEY_ABOUT.equals(prefKey)) {
             ((ContactsPreferenceActivity) getActivity()).showAboutFragment();
             return true;
         } else if (KEY_IMPORT.equals(prefKey)) {
             ImportDialogFragment.show(getFragmentManager());
             return true;
         } else if (KEY_EXPORT.equals(prefKey)) {
             ExportDialogFragment.show(getFragmentManager(), ContactsPreferenceActivity.class,
                     ExportDialogFragment.EXPORT_MODE_ALL_CONTACTS);
             return true;
         } else if (KEY_MY_INFO.equals(prefKey)) {
             if (mHasProfile) {
                 final Uri uri = ContentUris.withAppendedId(Contacts.CONTENT_URI, mProfileContactId);
                 ImplicitIntentsUtil.startQuickContact(getActivity(), uri, ScreenType.ME_CONTACT);
             } else {
                 final Intent intent = new Intent(Intent.ACTION_INSERT, Contacts.CONTENT_URI);
                 intent.putExtra(mNewLocalProfileExtra, true);
                 ImplicitIntentsUtil.startActivityInApp(getActivity(), intent);
             }
             return true;
         } else if (KEY_ACCOUNTS.equals(prefKey)) {
             ImplicitIntentsUtil.startActivityOutsideApp(getContext(),
                     ImplicitIntentsUtil.getIntentForAddingAccount());
             return true;
         } else if (KEY_BLOCKED_NUMBERS.equals(prefKey)) {
             final Intent intent = TelecomManagerUtil.createManageBlockedNumbersIntent(
                     (TelecomManager) getContext().getSystemService(Context.TELECOM_SERVICE));
             startActivity(intent);
             return true;
         } else if (KEY_CUSTOM_CONTACTS_FILTER.equals(prefKey)) {
             final ContactListFilter filter =
                     ContactListFilterController.getInstance(getContext()).getFilter();
             AccountFilterUtil.startAccountFilterActivityForResult(
                     this, REQUEST_CODE_CUSTOM_CONTACTS_FILTER, filter);
         } else if (KEY_DEFAULT_ACCOUNT.equals(prefKey)) {
             String packageName = getSetDefaultAccountActivityPackage();
             Intent intent = new Intent(Settings.ACTION_SET_DEFAULT_ACCOUNT);
             if (packageName != null) {
                 intent.setPackage(packageName);
                 startActivityForResult(intent, REQUEST_CODE_SET_DEFAULT_ACCOUNT_CP2);
             }
         }
         return false;
     }

     @Override
     public void onActivityResult(int requestCode, int resultCode, Intent data) {
         if (requestCode == REQUEST_CODE_CUSTOM_CONTACTS_FILTER
                 && resultCode == Activity.RESULT_OK) {
             AccountFilterUtil.handleAccountFilterResult(
                     ContactListFilterController.getInstance(getContext()), resultCode, data);
             setCustomContactsFilterSummary();
         } else if (requestCode == REQUEST_CODE_SET_DEFAULT_ACCOUNT_CP2
                 && resultCode == Activity.RESULT_OK) {
             final Preference defaultAccountPreference = findPreference(KEY_DEFAULT_ACCOUNT);
             if (defaultAccountPreference != null) {
                 defaultAccountPreference.setSummary(getDefaultAccountSummary());
             }
         } else {
             super.onActivityResult(requestCode, resultCode, data);
         }
     }

     private void setCustomContactsFilterSummary() {
         final Preference customFilterPreference = findPreference(KEY_CUSTOM_CONTACTS_FILTER);
         if (customFilterPreference != null) {
             final ContactListFilter filter =
                     ContactListFilterController.getInstance(getContext()).getPersistedFilter();
             if (filter != null) {
                 if (filter.filterType == ContactListFilter.FILTER_TYPE_DEFAULT ||
                         filter.filterType == ContactListFilter.FILTER_TYPE_ALL_ACCOUNTS) {
                     customFilterPreference.setSummary(R.string.list_filter_all_accounts);
                 } else if (filter.filterType == ContactListFilter.FILTER_TYPE_CUSTOM) {
                     customFilterPreference.setSummary(R.string.listCustomView);
                 } else {
                     customFilterPreference.setSummary(null);
                 }
             }
         }
     }

     private CharSequence getDefaultAccountSummary() {
         ContactsPreferences preferences = new ContactsPreferences(getContext());
         AccountWithDataSet defaultAccountWithDataSet = preferences.getDefaultAccount();
         AccountInfo defaultAccountInfo = AccountInfo.getAccount(
                 accounts, defaultAccountWithDataSet);
         if (defaultAccountInfo != null) {
             return defaultAccountInfo.getNameLabel();
         } else {
             return null;
         }
     }

     private String getSetDefaultAccountActivityPackage() {
         // Only preloaded Contacts App has the permission to call setDefaultAccount.
         Intent intent = new Intent(Settings.ACTION_SET_DEFAULT_ACCOUNT);
         PackageManager packageManager = getContext().getPackageManager();
         List<ResolveInfo> resolveInfos = packageManager.queryIntentActivities(intent, 0);
         for (ResolveInfo resolveInfo : resolveInfos) {
             String packageName = resolveInfo.activityInfo.packageName;
             if (packageManager.checkPermission(
                     android.Manifest.permission.SET_DEFAULT_ACCOUNT_FOR_CONTACTS, packageName)
                     == PackageManager.PERMISSION_GRANTED) {
                 return packageName;
             }
         }
         return null;
     }

     private class SaveServiceResultListener extends BroadcastReceiver {
         @Override
         public void onReceive(Context context, Intent intent) {
             final long now = System.currentTimeMillis();
             final long opStart = intent.getLongExtra(
                     SimImportService.EXTRA_OPERATION_REQUESTED_AT_TIME, now);

             // If it's been over 30 seconds the user is likely in a different context so suppress
             // the toast message.
             if (now - opStart > 30*1000) return;

             final int code = intent.getIntExtra(SimImportService.EXTRA_RESULT_CODE,
                     SimImportService.RESULT_UNKNOWN);
             final int count = intent.getIntExtra(SimImportService.EXTRA_RESULT_COUNT, -1);
             if (code == SimImportService.RESULT_SUCCESS && count > 0) {
                 MessageFormat msgFormat = new MessageFormat(
                     getResources().getString(R.string.sim_import_success_toast_fmt),
                     Locale.getDefault());
                 Map<String, Object> arguments = new HashMap<>();
                 arguments.put("count", count);
                 Snackbar.make(mRootView, msgFormat.format(arguments),
                         Snackbar.LENGTH_LONG).show();
             } else if (code == SimImportService.RESULT_FAILURE) {
                 Snackbar.make(mRootView, R.string.sim_import_failed_toast,
                         Snackbar.LENGTH_LONG).show();
             }
         }
     }
 }
	/*
	* Copyright (C) 2010 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.contacts.preference;

	import android.accounts.Account;
	import android.app.Activity;
	import android.app.LoaderManager;
	import android.content.BroadcastReceiver;
	import android.content.ContentUris;
	import android.content.Context;
	import android.content.CursorLoader;
	import android.content.Intent;
	import android.content.IntentFilter;
	import android.content.Loader;
	import android.content.pm.PackageManager;
	import android.content.pm.ResolveInfo;
	import android.content.res.Resources;
	import android.database.Cursor;
	import android.icu.text.MessageFormat;
	import android.net.Uri;
	import android.os.Bundle;
	import android.os.StrictMode;
	import android.preference.Preference;
	import android.preference.PreferenceFragment;
	import android.provider.BlockedNumberContract;
	import android.provider.ContactsContract.Contacts;
	import android.provider.ContactsContract.DisplayNameSources;
	import android.provider.ContactsContract.Profile;
	import android.provider.ContactsContract.Settings;
	import com.google.android.material.snackbar.Snackbar;
	import androidx.localbroadcastmanager.content.LocalBroadcastManager;
	import android.telecom.TelecomManager;
	import android.telephony.TelephonyManager;
	import android.text.BidiFormatter;
	import android.text.TextDirectionHeuristics;
	import android.view.LayoutInflater;
	import android.view.View;
	import android.view.ViewGroup;
	import android.widget.FrameLayout;
	import android.widget.ListView;

	import com.android.contacts.ContactsUtils;
	import com.android.contacts.R;
	import com.android.contacts.SimImportService;
	import com.android.contacts.compat.TelecomManagerUtil;
	import com.android.contacts.compat.TelephonyManagerCompat;
	import com.android.contacts.interactions.ExportDialogFragment;
	import com.android.contacts.interactions.ImportDialogFragment;
	import com.android.contacts.list.ContactListFilter;
	import com.android.contacts.list.ContactListFilterController;
	import com.android.contacts.logging.ScreenEvent.ScreenType;
	import com.android.contacts.model.AccountTypeManager;
	import com.android.contacts.model.account.AccountInfo;
	import com.android.contacts.model.account.AccountWithDataSet;
	import com.android.contacts.model.account.AccountsLoader;
	import com.android.contacts.util.AccountFilterUtil;
	import com.android.contacts.util.ImplicitIntentsUtil;
	import com.android.contactsbind.HelpUtils;

	import java.util.Collections;
	import java.util.HashMap;
	import java.util.List;
	import java.util.Locale;
	import java.util.Map;

	/**
	* This fragment shows the preferences for "display options"
	*/
	public class DisplayOptionsPreferenceFragment extends PreferenceFragment
	implements Preference.OnPreferenceClickListener, AccountsLoader.AccountsListener {

	private static final int REQUEST_CODE_CUSTOM_CONTACTS_FILTER = 0;
	private static final int REQUEST_CODE_SET_DEFAULT_ACCOUNT_CP2 = 1;

	private static final String ARG_CONTACTS_AVAILABLE = "are_contacts_available";
	private static final String ARG_NEW_LOCAL_PROFILE = "new_local_profile";

	private static final String KEY_ABOUT = "about";
	private static final String KEY_ACCOUNTS = "accounts";
	private static final String KEY_DEFAULT_ACCOUNT = "defaultAccount";
	private static final String KEY_BLOCKED_NUMBERS = "blockedNumbers";
	private static final String KEY_DISPLAY_ORDER = "displayOrder";
	private static final String KEY_CUSTOM_CONTACTS_FILTER = "customContactsFilter";
	private static final String KEY_IMPORT = "import";
	private static final String KEY_EXPORT = "export";
	private static final String KEY_MY_INFO = "myInfo";
	private static final String KEY_SORT_ORDER = "sortOrder";
	private static final String KEY_PHONETIC_NAME_DISPLAY = "phoneticNameDisplay";

	private static final int LOADER_PROFILE = 0;
	private static final int LOADER_ACCOUNTS = 1;

	/**
	* Callbacks for hosts of the {@link DisplayOptionsPreferenceFragment}.
	*/
	public interface ProfileListener {
	/**
	* Invoked after profile has been loaded.
	*/
	void onProfileLoaded(Cursor data);
	}

	/**
	* The projections that are used to obtain user profile
	*/
	public static class ProfileQuery {
	/**
	* Not instantiable.
	*/
	private ProfileQuery() {}

	private static final String[] PROFILE_PROJECTION_PRIMARY = new String[] {
	Contacts._ID, // 0
	Contacts.DISPLAY_NAME_PRIMARY, // 1
	Contacts.IS_USER_PROFILE, // 2
	Contacts.DISPLAY_NAME_SOURCE, // 3
	};

	private static final String[] PROFILE_PROJECTION_ALTERNATIVE = new String[] {
	Contacts._ID, // 0
	Contacts.DISPLAY_NAME_ALTERNATIVE, // 1
	Contacts.IS_USER_PROFILE, // 2
	Contacts.DISPLAY_NAME_SOURCE, // 3
	};

	public static final int CONTACT_ID = 0;
	public static final int CONTACT_DISPLAY_NAME = 1;
	public static final int CONTACT_IS_USER_PROFILE = 2;
	public static final int DISPLAY_NAME_SOURCE = 3;
	}

	private String mNewLocalProfileExtra;
	private boolean mAreContactsAvailable;

	private boolean mHasProfile;
	private long mProfileContactId;

	private Preference mMyInfoPreference;

	private ProfileListener mListener;

	private ViewGroup mRootView;
	private SaveServiceResultListener mSaveServiceListener;

	private List<AccountInfo> accounts = Collections.emptyList();

	private final LoaderManager.LoaderCallbacks<Cursor> mProfileLoaderListener =
	new LoaderManager.LoaderCallbacks<Cursor>() {

	@Override
	public CursorLoader onCreateLoader(int id, Bundle args) {
	final CursorLoader loader = createCursorLoader(getContext());
	loader.setUri(Profile.CONTENT_URI);
	loader.setProjection(getProjection(getContext()));
	return loader;
	}

	@Override
	public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
	if (mListener != null) {
	mListener.onProfileLoaded(data);
	}
	}

	public void onLoaderReset(Loader<Cursor> loader) {
	}
	};

	public static DisplayOptionsPreferenceFragment newInstance(String newLocalProfileExtra,
	boolean areContactsAvailable) {
	final DisplayOptionsPreferenceFragment fragment = new DisplayOptionsPreferenceFragment();
	final Bundle args = new Bundle();
	args.putString(ARG_NEW_LOCAL_PROFILE, newLocalProfileExtra);
	args.putBoolean(ARG_CONTACTS_AVAILABLE, areContactsAvailable);
	fragment.setArguments(args);
	return fragment;
	}

	@Override
	public void onAttach(Activity activity) {
	super.onAttach(activity);
	try {
	mListener = (ProfileListener) activity;
	} catch (ClassCastException e) {
	throw new ClassCastException(activity.toString() + " must implement ProfileListener");
	}
	}

	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
	// Wrap the preference view in a FrameLayout so we can show a snackbar
	mRootView = new FrameLayout(getActivity());
	final View list = super.onCreateView(inflater, mRootView, savedInstanceState);
	mRootView.addView(list);
	return mRootView;
	}

	@Override
	public void onViewCreated(View view, Bundle savedInstanceState) {
	super.onViewCreated(view, savedInstanceState);

	mSaveServiceListener = new SaveServiceResultListener();
	LocalBroadcastManager.getInstance(getActivity()).registerReceiver(
	mSaveServiceListener,
	new IntentFilter(SimImportService.BROADCAST_SIM_IMPORT_COMPLETE));

	ListView lv = view.findViewById(android.R.id.list);
	if (lv != null) {
	lv.setDivider(null);
	}
	}

	@Override
	public void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);

	// Load the preferences from an XML resource
	addPreferencesFromResource(R.xml.preference_display_options);

	final Bundle args = getArguments();
	mNewLocalProfileExtra = args.getString(ARG_NEW_LOCAL_PROFILE);
	mAreContactsAvailable = args.getBoolean(ARG_CONTACTS_AVAILABLE);

	removeUnsupportedPreferences();

	mMyInfoPreference = findPreference(KEY_MY_INFO);

	final Preference accountsPreference = findPreference(KEY_ACCOUNTS);
	accountsPreference.setOnPreferenceClickListener(this);

	final Preference importPreference = findPreference(KEY_IMPORT);
	importPreference.setOnPreferenceClickListener(this);

	final Preference exportPreference = findPreference(KEY_EXPORT);
	if (exportPreference != null) {
	exportPreference.setOnPreferenceClickListener(this);
	}

	final Preference blockedNumbersPreference = findPreference(KEY_BLOCKED_NUMBERS);
	if (blockedNumbersPreference != null) {
	blockedNumbersPreference.setOnPreferenceClickListener(this);
	}

	final Preference aboutPreference = findPreference(KEY_ABOUT);
	if (aboutPreference != null) {
	aboutPreference.setOnPreferenceClickListener(this);
	}

	final Preference customFilterPreference = findPreference(KEY_CUSTOM_CONTACTS_FILTER);
	if (customFilterPreference != null) {
	customFilterPreference.setOnPreferenceClickListener(this);
	setCustomContactsFilterSummary();
	}

	final Preference defaultAccountPreference = findPreference(KEY_DEFAULT_ACCOUNT);
	if (defaultAccountPreference != null) {
	defaultAccountPreference.setOnPreferenceClickListener(this);
	defaultAccountPreference.setSummary(getDefaultAccountSummary());
	}
	}

	@Override
	public void onActivityCreated(Bundle savedInstanceState) {
	super.onActivityCreated(savedInstanceState);
	getLoaderManager().initLoader(LOADER_PROFILE, null, mProfileLoaderListener);
	AccountsLoader.loadAccounts(this, LOADER_ACCOUNTS, AccountTypeManager.writableFilter());
	}

	@Override
	public void onDestroyView() {
	super.onDestroyView();
	LocalBroadcastManager.getInstance(getActivity()).unregisterReceiver(mSaveServiceListener);
	mRootView = null;
	}

	public void updateMyInfoPreference(boolean hasProfile, String displayName, long contactId,
	int displayNameSource) {
	final CharSequence summary = !hasProfile ?
	getString(R.string.set_up_profile) :
	displayNameSource == DisplayNameSources.PHONE ?
	BidiFormatter.getInstance().unicodeWrap(displayName, TextDirectionHeuristics.LTR) :
	displayName;
	mMyInfoPreference.setSummary(summary);
	mHasProfile = hasProfile;
	mProfileContactId = contactId;
	mMyInfoPreference.setOnPreferenceClickListener(this);
	}

	private void removeUnsupportedPreferences() {
	// Disable sort order for CJK locales where it is not supported
	final Resources resources = getResources();
	if (!resources.getBoolean(R.bool.config_sort_order_user_changeable)) {
	getPreferenceScreen().removePreference(findPreference(KEY_SORT_ORDER));
	}

	if (!resources.getBoolean(R.bool.config_phonetic_name_display_user_changeable)) {
	getPreferenceScreen().removePreference(findPreference(KEY_PHONETIC_NAME_DISPLAY));
	}

	if (HelpUtils.isHelpAndFeedbackAvailable()) {
	getPreferenceScreen().removePreference(findPreference(KEY_ABOUT));
	}

	// Disable display order for CJK locales as well
	if (!resources.getBoolean(R.bool.config_display_order_user_changeable)) {
	getPreferenceScreen().removePreference(findPreference(KEY_DISPLAY_ORDER));
	}

	final boolean isPhone = TelephonyManagerCompat.isVoiceCapable(
	(TelephonyManager) getContext().getSystemService(Context.TELEPHONY_SERVICE));
	final boolean showBlockedNumbers = isPhone && ContactsUtils.FLAG_N_FEATURE
	&& BlockedNumberContract.canCurrentUserBlockNumbers(getContext());
	if (!showBlockedNumbers) {
	getPreferenceScreen().removePreference(findPreference(KEY_BLOCKED_NUMBERS));
	}

	if (!mAreContactsAvailable) {
	getPreferenceScreen().removePreference(findPreference(KEY_EXPORT));
	}
	}

	@Override
	public void onAccountsLoaded(List<AccountInfo> accounts) {
	// Hide accounts preferences if no writable accounts exist
	this.accounts = accounts;
	final Preference defaultAccountPreference =
	findPreference(KEY_DEFAULT_ACCOUNT);
	defaultAccountPreference.setSummary(getDefaultAccountSummary());
	}

	@Override
	public Context getContext() {
	return getActivity();
	}

	private CursorLoader createCursorLoader(Context context) {
	return new CursorLoader(context) {
	@Override
	protected Cursor onLoadInBackground() {
	try {
	return super.onLoadInBackground();
	} catch (RuntimeException e) {
	return null;
	}
	}
	};
	}

	private String[] getProjection(Context context) {
	final ContactsPreferences contactsPrefs = new ContactsPreferences(context);
	final int displayOrder = contactsPrefs.getDisplayOrder();
	if (displayOrder == ContactsPreferences.DISPLAY_ORDER_PRIMARY) {
	return ProfileQuery.PROFILE_PROJECTION_PRIMARY;
	}
	return ProfileQuery.PROFILE_PROJECTION_ALTERNATIVE;
	}

	@Override
	public boolean onPreferenceClick(Preference p) {
	final String prefKey = p.getKey();

	if (KEY_ABOUT.equals(prefKey)) {
	((ContactsPreferenceActivity) getActivity()).showAboutFragment();
	return true;
	} else if (KEY_IMPORT.equals(prefKey)) {
	ImportDialogFragment.show(getFragmentManager());
	return true;
	} else if (KEY_EXPORT.equals(prefKey)) {
	ExportDialogFragment.show(getFragmentManager(), ContactsPreferenceActivity.class,
	ExportDialogFragment.EXPORT_MODE_ALL_CONTACTS);
	return true;
	} else if (KEY_MY_INFO.equals(prefKey)) {
	if (mHasProfile) {
	final Uri uri = ContentUris.withAppendedId(Contacts.CONTENT_URI, mProfileContactId);
	ImplicitIntentsUtil.startQuickContact(getActivity(), uri, ScreenType.ME_CONTACT);
	} else {
	final Intent intent = new Intent(Intent.ACTION_INSERT, Contacts.CONTENT_URI);
	intent.putExtra(mNewLocalProfileExtra, true);
	ImplicitIntentsUtil.startActivityInApp(getActivity(), intent);
	}
	return true;
	} else if (KEY_ACCOUNTS.equals(prefKey)) {
	ImplicitIntentsUtil.startActivityOutsideApp(getContext(),
	ImplicitIntentsUtil.getIntentForAddingAccount());
	return true;
	} else if (KEY_BLOCKED_NUMBERS.equals(prefKey)) {
	final Intent intent = TelecomManagerUtil.createManageBlockedNumbersIntent(
	(TelecomManager) getContext().getSystemService(Context.TELECOM_SERVICE));
	startActivity(intent);
	return true;
	} else if (KEY_CUSTOM_CONTACTS_FILTER.equals(prefKey)) {
	final ContactListFilter filter =
	ContactListFilterController.getInstance(getContext()).getFilter();
	AccountFilterUtil.startAccountFilterActivityForResult(
	this, REQUEST_CODE_CUSTOM_CONTACTS_FILTER, filter);
	} else if (KEY_DEFAULT_ACCOUNT.equals(prefKey)) {
	String packageName = getSetDefaultAccountActivityPackage();
	Intent intent = new Intent(Settings.ACTION_SET_DEFAULT_ACCOUNT);
	if (packageName != null) {
	intent.setPackage(packageName);
	startActivityForResult(intent, REQUEST_CODE_SET_DEFAULT_ACCOUNT_CP2);
	}
	}
	return false;
	}

	@Override
	public void onActivityResult(int requestCode, int resultCode, Intent data) {
	if (requestCode == REQUEST_CODE_CUSTOM_CONTACTS_FILTER
	&& resultCode == Activity.RESULT_OK) {
	AccountFilterUtil.handleAccountFilterResult(
	ContactListFilterController.getInstance(getContext()), resultCode, data);
	setCustomContactsFilterSummary();
	} else if (requestCode == REQUEST_CODE_SET_DEFAULT_ACCOUNT_CP2
	&& resultCode == Activity.RESULT_OK) {
	final Preference defaultAccountPreference = findPreference(KEY_DEFAULT_ACCOUNT);
	if (defaultAccountPreference != null) {
	defaultAccountPreference.setSummary(getDefaultAccountSummary());
	}
	} else {
	super.onActivityResult(requestCode, resultCode, data);
	}
	}

	private void setCustomContactsFilterSummary() {
	final Preference customFilterPreference = findPreference(KEY_CUSTOM_CONTACTS_FILTER);
	if (customFilterPreference != null) {
	final ContactListFilter filter =
	ContactListFilterController.getInstance(getContext()).getPersistedFilter();
	if (filter != null) {
	if (filter.filterType == ContactListFilter.FILTER_TYPE_DEFAULT \|\|
	filter.filterType == ContactListFilter.FILTER_TYPE_ALL_ACCOUNTS) {
	customFilterPreference.setSummary(R.string.list_filter_all_accounts);
	} else if (filter.filterType == ContactListFilter.FILTER_TYPE_CUSTOM) {
	customFilterPreference.setSummary(R.string.listCustomView);
	} else {
	customFilterPreference.setSummary(null);
	}
	}
	}
	}

	private CharSequence getDefaultAccountSummary() {
	ContactsPreferences preferences = new ContactsPreferences(getContext());
	AccountWithDataSet defaultAccountWithDataSet = preferences.getDefaultAccount();
	AccountInfo defaultAccountInfo = AccountInfo.getAccount(
	accounts, defaultAccountWithDataSet);
	if (defaultAccountInfo != null) {
	return defaultAccountInfo.getNameLabel();
	} else {
	return null;
	}
	}

	private String getSetDefaultAccountActivityPackage() {
	// Only preloaded Contacts App has the permission to call setDefaultAccount.
	Intent intent = new Intent(Settings.ACTION_SET_DEFAULT_ACCOUNT);
	PackageManager packageManager = getContext().getPackageManager();
	List<ResolveInfo> resolveInfos = packageManager.queryIntentActivities(intent, 0);
	for (ResolveInfo resolveInfo : resolveInfos) {
	String packageName = resolveInfo.activityInfo.packageName;
	if (packageManager.checkPermission(
	android.Manifest.permission.SET_DEFAULT_ACCOUNT_FOR_CONTACTS, packageName)
	== PackageManager.PERMISSION_GRANTED) {
	return packageName;
	}
	}
	return null;
	}

	private class SaveServiceResultListener extends BroadcastReceiver {
	@Override
	public void onReceive(Context context, Intent intent) {
	final long now = System.currentTimeMillis();
	final long opStart = intent.getLongExtra(
	SimImportService.EXTRA_OPERATION_REQUESTED_AT_TIME, now);

	// If it's been over 30 seconds the user is likely in a different context so suppress
	// the toast message.
	if (now - opStart > 30*1000) return;

	final int code = intent.getIntExtra(SimImportService.EXTRA_RESULT_CODE,
	SimImportService.RESULT_UNKNOWN);
	final int count = intent.getIntExtra(SimImportService.EXTRA_RESULT_COUNT, -1);
	if (code == SimImportService.RESULT_SUCCESS && count > 0) {
	MessageFormat msgFormat = new MessageFormat(
	getResources().getString(R.string.sim_import_success_toast_fmt),
	Locale.getDefault());
	Map<String, Object> arguments = new HashMap<>();
	arguments.put("count", count);
	Snackbar.make(mRootView, msgFormat.format(arguments),
	Snackbar.LENGTH_LONG).show();
	} else if (code == SimImportService.RESULT_FAILURE) {
	Snackbar.make(mRootView, R.string.sim_import_failed_toast,
	Snackbar.LENGTH_LONG).show();
	}
	}
	}
	}