1447da277b
Change-Id: I2f1dedac7d747901978ef5d4a1a58bae2fa02921 Fix: 35856915 Test: make RunSettingsRoboTests
293 lines
9.9 KiB
Java
293 lines
9.9 KiB
Java
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.datetime;
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import android.annotation.NonNull;
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import android.app.Activity;
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import android.app.AlarmManager;
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import android.app.ListFragment;
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import android.content.Context;
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import android.os.Bundle;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.ListView;
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import android.widget.SimpleAdapter;
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import android.widget.TextView;
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import com.android.internal.logging.nano.MetricsProto;
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import com.android.settings.R;
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import com.android.settings.core.instrumentation.Instrumentable;
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import com.android.settings.core.instrumentation.VisibilityLoggerMixin;
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import com.android.settingslib.datetime.ZoneGetter;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.TimeZone;
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/**
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* The class displaying a list of time zones that match a filter string
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* such as "Africa", "Europe", etc. Choosing an item from the list will set
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* the time zone. Pressing Back without choosing from the list will not
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* result in a change in the time zone setting.
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*/
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public class ZonePicker extends ListFragment implements Instrumentable {
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private static final int MENU_TIMEZONE = Menu.FIRST+1;
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private static final int MENU_ALPHABETICAL = Menu.FIRST;
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private final VisibilityLoggerMixin mVisibilityLoggerMixin =
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new VisibilityLoggerMixin(getMetricsCategory());
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private boolean mSortedByTimezone;
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private SimpleAdapter mTimezoneSortedAdapter;
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private SimpleAdapter mAlphabeticalAdapter;
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/**
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* Constructs an adapter with TimeZone list. Sorted by TimeZone in default.
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*
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* @param sortedByName use Name for sorting the list.
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*/
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public static SimpleAdapter constructTimezoneAdapter(Context context,
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boolean sortedByName) {
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return constructTimezoneAdapter(context, sortedByName,
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R.layout.date_time_custom_list_item_2);
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}
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/**
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* Constructs an adapter with TimeZone list. Sorted by TimeZone in default.
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*
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* @param sortedByName use Name for sorting the list.
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*/
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public static SimpleAdapter constructTimezoneAdapter(Context context,
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boolean sortedByName, int layoutId) {
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final String[] from = new String[] {
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ZoneGetter.KEY_DISPLAY_LABEL,
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ZoneGetter.KEY_OFFSET_LABEL
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};
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final int[] to = new int[] {android.R.id.text1, android.R.id.text2};
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final String sortKey = (sortedByName
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? ZoneGetter.KEY_DISPLAY_LABEL
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: ZoneGetter.KEY_OFFSET);
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final MyComparator comparator = new MyComparator(sortKey);
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final List<Map<String, Object>> sortedList = ZoneGetter.getZonesList(context);
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Collections.sort(sortedList, comparator);
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final SimpleAdapter adapter = new SimpleAdapter(context,
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sortedList,
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layoutId,
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from,
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to);
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adapter.setViewBinder(new TimeZoneViewBinder());
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return adapter;
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}
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private static class TimeZoneViewBinder implements SimpleAdapter.ViewBinder {
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/**
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* Set the text to the given {@link CharSequence} as is, instead of calling toString, so
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* that additional information stored in the CharSequence is, like spans added to a
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* {@link android.text.SpannableString} are preserved.
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*/
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@Override
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public boolean setViewValue(View view, Object data, String textRepresentation) {
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TextView textView = (TextView) view;
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textView.setText((CharSequence) data);
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return true;
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}
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}
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/**
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* Searches {@link TimeZone} from the given {@link SimpleAdapter} object, and returns
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* the index for the TimeZone.
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*
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* @param adapter SimpleAdapter constructed by
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* {@link #constructTimezoneAdapter(Context, boolean)}.
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* @param tz TimeZone to be searched.
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* @return Index for the given TimeZone. -1 when there's no corresponding list item.
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* returned.
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*/
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public static int getTimeZoneIndex(SimpleAdapter adapter, TimeZone tz) {
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final String defaultId = tz.getID();
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final int listSize = adapter.getCount();
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for (int i = 0; i < listSize; i++) {
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// Using HashMap<String, Object> induces unnecessary warning.
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final HashMap<?,?> map = (HashMap<?,?>)adapter.getItem(i);
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final String id = (String)map.get(ZoneGetter.KEY_ID);
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if (defaultId.equals(id)) {
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// If current timezone is in this list, move focus to it
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return i;
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}
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}
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return -1;
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}
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@Override
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public void onAttach(Context context) {
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super.onAttach(context);
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mVisibilityLoggerMixin.onAttach(context);
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}
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@Override
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public int getMetricsCategory() {
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return MetricsProto.MetricsEvent.ZONE_PICKER;
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}
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@Override
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public void onActivityCreated(Bundle savedInstanceState) {
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super.onActivityCreated(savedInstanceState);
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final Activity activity = getActivity();
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mTimezoneSortedAdapter = constructTimezoneAdapter(activity, false);
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mAlphabeticalAdapter = constructTimezoneAdapter(activity, true);
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// Sets the adapter
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setSorting(true);
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setHasOptionsMenu(true);
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}
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@Override
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public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container,
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Bundle savedInstanceState) {
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final View view = super.onCreateView(inflater, container, savedInstanceState);
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final ListView list = view.findViewById(android.R.id.list);
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prepareCustomPreferencesList(list);
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return view;
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}
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@Override
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public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
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menu.add(0, MENU_ALPHABETICAL, 0, R.string.zone_list_menu_sort_alphabetically)
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.setIcon(android.R.drawable.ic_menu_sort_alphabetically);
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menu.add(0, MENU_TIMEZONE, 0, R.string.zone_list_menu_sort_by_timezone)
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.setIcon(R.drawable.ic_menu_3d_globe);
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super.onCreateOptionsMenu(menu, inflater);
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}
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@Override
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public void onPrepareOptionsMenu(Menu menu) {
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if (mSortedByTimezone) {
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menu.findItem(MENU_TIMEZONE).setVisible(false);
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menu.findItem(MENU_ALPHABETICAL).setVisible(true);
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} else {
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menu.findItem(MENU_TIMEZONE).setVisible(true);
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menu.findItem(MENU_ALPHABETICAL).setVisible(false);
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}
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}
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@Override
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public void onResume() {
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super.onResume();
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mVisibilityLoggerMixin.onResume();
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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switch (item.getItemId()) {
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case MENU_TIMEZONE:
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setSorting(true);
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return true;
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case MENU_ALPHABETICAL:
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setSorting(false);
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return true;
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default:
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return false;
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}
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}
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static void prepareCustomPreferencesList(ListView list) {
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list.setScrollBarStyle(View.SCROLLBARS_OUTSIDE_OVERLAY);
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list.setClipToPadding(false);
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list.setDivider(null);
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}
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private void setSorting(boolean sortByTimezone) {
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final SimpleAdapter adapter =
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sortByTimezone ? mTimezoneSortedAdapter : mAlphabeticalAdapter;
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setListAdapter(adapter);
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mSortedByTimezone = sortByTimezone;
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final int defaultIndex = getTimeZoneIndex(adapter, TimeZone.getDefault());
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if (defaultIndex >= 0) {
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setSelection(defaultIndex);
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}
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}
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@Override
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public void onListItemClick(ListView listView, View v, int position, long id) {
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// Ignore extra clicks
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if (!isResumed()) return;
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final Map<?, ?> map = (Map<?, ?>)listView.getItemAtPosition(position);
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final String tzId = (String) map.get(ZoneGetter.KEY_ID);
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// Update the system timezone value
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final Activity activity = getActivity();
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final AlarmManager alarm = (AlarmManager) activity.getSystemService(Context.ALARM_SERVICE);
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alarm.setTimeZone(tzId);
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getActivity().onBackPressed();
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}
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@Override
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public void onPause() {
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super.onPause();
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mVisibilityLoggerMixin.onPause();
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}
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private static class MyComparator implements Comparator<Map<?, ?>> {
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private String mSortingKey;
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public MyComparator(String sortingKey) {
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mSortingKey = sortingKey;
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}
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public void setSortingKey(String sortingKey) {
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mSortingKey = sortingKey;
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}
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public int compare(Map<?, ?> map1, Map<?, ?> map2) {
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Object value1 = map1.get(mSortingKey);
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Object value2 = map2.get(mSortingKey);
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/*
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* This should never happen, but just in-case, put non-comparable
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* items at the end.
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*/
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if (!isComparable(value1)) {
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return isComparable(value2) ? 1 : 0;
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} else if (!isComparable(value2)) {
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return -1;
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}
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return ((Comparable) value1).compareTo(value2);
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}
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private boolean isComparable(Object value) {
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return (value != null) && (value instanceof Comparable);
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}
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}
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}
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