src/com/cyanogenmod/setupwizard/DateTimeActivity.java - LeafOS-Project/android_packages_apps_SetupWizard - Gitiles

 /*
  * Copyright (C) 2016 The CyanogenMod Project
  * Copyright (C) 2017 The LineageOS 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.cyanogenmod.setupwizard;

 import android.app.AlarmManager;
 import android.app.DatePickerDialog;
 import android.app.Dialog;
 import android.app.DialogFragment;
 import android.app.TimePickerDialog;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.res.XmlResourceParser;
 import android.os.Bundle;
 import android.os.Handler;
 import android.text.format.DateFormat;
 import android.util.Log;
 import android.view.View;
 import android.widget.AdapterView;
 import android.widget.DatePicker;
 import android.widget.ImageView;
 import android.widget.SimpleAdapter;
 import android.widget.Spinner;
 import android.widget.TextView;
 import android.widget.TimePicker;

 import com.cyanogenmod.setupwizard.util.SetupWizardUtils;

 import org.xmlpull.v1.XmlPullParserException;

 import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.TimeZone;

 public class DateTimeActivity extends BaseSetupWizardActivity implements
         TimePickerDialog.OnTimeSetListener, DatePickerDialog.OnDateSetListener {

     public static final String TAG = DateTimeActivity.class.getSimpleName();

     private static final String KEY_ID = "id";  // value: String
     private static final String KEY_DISPLAYNAME = "name";  // value: String
     private static final String KEY_GMT = "gmt";  // value: String
     private static final String KEY_OFFSET = "offset";  // value: int (Integer)
     private static final String XMLTAG_TIMEZONE = "timezone";

     private static final int HOURS_1 = 60 * 60000;

     private TimeZone mCurrentTimeZone;
     private View mDateView;
     private View mTimeView;
     private TextView mDateTextView;
     private TextView mTimeTextView;


     private final Handler mHandler = new Handler();

     private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
         @Override
         public void onReceive(Context context, Intent intent) {
                 updateTimeAndDateDisplay();
         }
     };

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setNextText(R.string.next);

         final Spinner spinner = (Spinner) findViewById(R.id.timezone_list);
         final SimpleAdapter adapter = constructTimezoneAdapter(this, false);
         mCurrentTimeZone = TimeZone.getDefault();
         mDateView = findViewById(R.id.date_item);
         mDateView.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
                 showDatePicker();
             }
         });
         mTimeView = findViewById(R.id.time_item);
         mTimeView.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
                 showTimePicker();
             }
         });
         mDateTextView = (TextView)findViewById(R.id.date_text);
         mTimeTextView = (TextView)findViewById(R.id.time_text);
         // Pre-select current/default timezone
         mHandler.post(new Runnable() {
             @Override
             public void run() {
                 int tzIndex = getTimeZoneIndex(adapter, mCurrentTimeZone);
                 spinner.setAdapter(adapter);
                 if (tzIndex != -1) {
                     spinner.setSelection(tzIndex);
                 }
                 spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
                     @Override
                     public void onItemSelected(AdapterView<?> adapterView, View view, int position, long id) {
                         final Map<?, ?> map = (Map<?, ?>) adapterView.getItemAtPosition(position);
                         final String tzId = (String) map.get(KEY_ID);
                         if (mCurrentTimeZone != null && !mCurrentTimeZone.getID().equals(tzId)) {
                             // Update the system timezone value
                             final AlarmManager alarm = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
                             alarm.setTimeZone(tzId);
                             mCurrentTimeZone = TimeZone.getTimeZone(tzId);
                         }

                     }

                     @Override
                     public void onNothingSelected(AdapterView<?> adapterView) {
                     }
                 });
             }
         });
         // Pre-select current/default date if epoch
         mHandler.post(new Runnable() {
             @Override
             public void run() {
                 final Calendar calendar = Calendar.getInstance();
                 final boolean isEpoch = calendar.get(Calendar.YEAR) == 1970;
                 if (isEpoch) {
                     // If epoch, set date to build date
                     long timestamp = SetupWizardUtils.getBuildDateTimestamp();
                     if (timestamp > 0) {
                         calendar.setTimeInMillis(timestamp * 1000);
                         setDate(DateTimeActivity.this, calendar.get(Calendar.YEAR),
                                 calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH));
                     } else {
                         // no build date available, use a sane default
                         setDate(DateTimeActivity.this, 2017, Calendar.JANUARY, 1);
                     }
                 }
             }
         });
     }

     @Override
     public void onResume() {
         super.onResume();
         // Register for time ticks and other reasons for time change
         IntentFilter filter = new IntentFilter();
         filter.addAction(Intent.ACTION_TIME_TICK);
         filter.addAction(Intent.ACTION_TIME_CHANGED);
         filter.addAction(Intent.ACTION_TIMEZONE_CHANGED);
         registerReceiver(mIntentReceiver, filter, null, null);

         updateTimeAndDateDisplay();
     }

     @Override
     public void onPause() {
         super.onPause();
         unregisterReceiver(mIntentReceiver);
     }

     @Override
     protected int getTransition() {
         return TRANSITION_ID_SLIDE;
     }

     @Override
     protected int getLayoutResId() {
         return R.layout.setup_datetime_page;
     }

     @Override
     protected int getTitleResId() {
         return R.string.setup_datetime;
     }

     @Override
     protected int getIconResId() {
         return R.drawable.ic_datetime;
     }

     @Override
     public void onDateSet(DatePicker view, int year, int month, int day) {
             setDate(this, year, month, day);
             updateTimeAndDateDisplay();
     }

     @Override
     public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
             setTime(this, hourOfDay, minute);
             updateTimeAndDateDisplay();
     }

     private void showDatePicker() {
         DatePickerFragment datePickerFragment = DatePickerFragment.newInstance();
         datePickerFragment.show(getFragmentManager(), DatePickerFragment.TAG);
     }

     private void showTimePicker() {
         TimePickerFragment timePickerFragment = TimePickerFragment.newInstance();
         timePickerFragment.show(getFragmentManager(), TimePickerFragment.TAG);
     }

     private void updateTimeAndDateDisplay() {
         java.text.DateFormat shortDateFormat = DateFormat.getDateFormat(this);
         final Calendar now = Calendar.getInstance();
         mTimeTextView.setText(DateFormat.getTimeFormat(this).format(now.getTime()));
         mDateTextView.setText(shortDateFormat.format(now.getTime()));
     }

     private static SimpleAdapter constructTimezoneAdapter(Context context,
             boolean sortedByName) {
         final String[] from = new String[] {KEY_DISPLAYNAME, KEY_GMT};
         final int[] to = new int[] {android.R.id.text1, android.R.id.text2};

         final String sortKey = (sortedByName ? KEY_DISPLAYNAME : KEY_OFFSET);
         final TimeZoneComparator comparator = new TimeZoneComparator(sortKey);
         final List<HashMap<String, Object>> sortedList = getZones(context);
         Collections.sort(sortedList, comparator);
         final SimpleAdapter adapter = new SimpleAdapter(context,
                 sortedList,
                 R.layout.date_time_setup_custom_list_item_2,
                 from,
                 to);

         return adapter;
     }

     private static List<HashMap<String, Object>> getZones(Context context) {
         final List<HashMap<String, Object>> myData = new ArrayList();
         final long date = Calendar.getInstance().getTimeInMillis();
         try {
             XmlResourceParser xrp = context.getResources().getXml(R.xml.timezones);
             while (xrp.next() != XmlResourceParser.START_TAG)
                 continue;
             xrp.next();
             while (xrp.getEventType() != XmlResourceParser.END_TAG) {
                 while (xrp.getEventType() != XmlResourceParser.START_TAG) {
                     if (xrp.getEventType() == XmlResourceParser.END_DOCUMENT) {
                         return myData;
                     }
                     xrp.next();
                 }
                 if (xrp.getName().equals(XMLTAG_TIMEZONE)) {
                     String id = xrp.getAttributeValue(0);
                     String displayName = xrp.nextText();
                     addItem(myData, id, displayName, date);
                 }
                 while (xrp.getEventType() != XmlResourceParser.END_TAG) {
                     xrp.next();
                 }
                 xrp.next();
             }
             xrp.close();
         } catch (XmlPullParserException xppe) {
             Log.e(TAG, "Ill-formatted timezones.xml file");
         } catch (java.io.IOException ioe) {
             Log.e(TAG, "Unable to read timezones.xml file");
         }

         return myData;
     }

     private static void addItem(
             List<HashMap<String, Object>> myData, String id, String displayName, long date) {
         final HashMap<String, Object> map = new HashMap();
         map.put(KEY_ID, id);
         map.put(KEY_DISPLAYNAME, displayName);
         final TimeZone tz = TimeZone.getTimeZone(id);
         final int offset = tz.getOffset(date);
         final int p = Math.abs(offset);
         final StringBuilder name = new StringBuilder();
         name.append("GMT");

         if (offset < 0) {
             name.append('-');
         } else {
             name.append('+');
         }

         name.append(p / (HOURS_1));
         name.append(':');

         int min = p / 60000;
         min %= 60;

         if (min < 10) {
             name.append('0');
         }
         name.append(min);

         map.put(KEY_GMT, name.toString());
         map.put(KEY_OFFSET, offset);

         myData.add(map);
     }

     private static int getTimeZoneIndex(SimpleAdapter adapter, TimeZone tz) {
         final String defaultId = tz.getID();
         final int listSize = adapter.getCount();
         for (int i = 0; i < listSize; i++) {
             // Using HashMap<String, Object> induces unnecessary warning.
             final HashMap<?,?> map = (HashMap<?,?>)adapter.getItem(i);
             final String id = (String)map.get(KEY_ID);
             if (defaultId.equals(id)) {
                 // If current timezone is in this list, move focus to it
                 return i;
             }
         }
         return -1;
     }

     private static void setDate(Context context, int year, int month, int day) {
         Calendar c = Calendar.getInstance();

         c.set(Calendar.YEAR, year);
         c.set(Calendar.MONTH, month);
         c.set(Calendar.DAY_OF_MONTH, day);
         long when = c.getTimeInMillis();

         if (when / 1000 < Integer.MAX_VALUE) {
             ((AlarmManager) context.getSystemService(Context.ALARM_SERVICE)).setTime(when);
         }
     }

     private static void setTime(Context context, int hourOfDay, int minute) {
         Calendar c = Calendar.getInstance();

         c.set(Calendar.HOUR_OF_DAY, hourOfDay);
         c.set(Calendar.MINUTE, minute);
         c.set(Calendar.SECOND, 0);
         c.set(Calendar.MILLISECOND, 0);
         long when = c.getTimeInMillis();

         if (when / 1000 < Integer.MAX_VALUE) {
             ((AlarmManager) context.getSystemService(Context.ALARM_SERVICE)).setTime(when);
         }
     }

     private static class TimeZoneComparator implements Comparator<HashMap<?, ?>> {
         private String mSortingKey;

         public TimeZoneComparator(String sortingKey) {
             mSortingKey = sortingKey;
         }

         public void setSortingKey(String sortingKey) {
             mSortingKey = sortingKey;
         }

         public int compare(HashMap<?, ?> map1, HashMap<?, ?> map2) {
             Object value1 = map1.get(mSortingKey);
             Object value2 = map2.get(mSortingKey);

             /*
              * This should never happen, but just in-case, put non-comparable
              * items at the end.
              */
             if (!isComparable(value1)) {
                 return isComparable(value2) ? 1 : 0;
             } else if (!isComparable(value2)) {
                 return -1;
             }

             return ((Comparable) value1).compareTo(value2);
         }

         private boolean isComparable(Object value) {
             return (value != null) && (value instanceof Comparable);
         }
     }

     public static class TimePickerFragment extends DialogFragment
             implements TimePickerDialog.OnTimeSetListener {

         private static String TAG = TimePickerFragment.class.getSimpleName();

         public static TimePickerFragment newInstance() {
             TimePickerFragment frag = new TimePickerFragment();
             return frag;
         }

         @Override
         public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
             ((DateTimeActivity)getActivity()).onTimeSet(view, hourOfDay, minute);
         }

         @Override
         public Dialog onCreateDialog(Bundle savedInstanceState) {
             final Calendar calendar = Calendar.getInstance();
             return new TimePickerDialog(
                     getActivity(),
                     this,
                     calendar.get(Calendar.HOUR_OF_DAY),
                     calendar.get(Calendar.MINUTE),
                     DateFormat.is24HourFormat(getActivity()));
         }

     }

     public static class DatePickerFragment extends DialogFragment
             implements DatePickerDialog.OnDateSetListener {

         private static String TAG = DatePickerFragment.class.getSimpleName();

         public static DatePickerFragment newInstance() {
             DatePickerFragment frag = new DatePickerFragment();
             return frag;
         }

         @Override
         public void onDateSet(DatePicker view, int year, int month, int day) {
             ((DateTimeActivity)getActivity()).onDateSet(view, year, month, day);
         }

         @Override
         public Dialog onCreateDialog(Bundle savedInstanceState) {
             final Calendar calendar = Calendar.getInstance();
             return new DatePickerDialog(
                     getActivity(),
                     this,
                     calendar.get(Calendar.YEAR),
                     calendar.get(Calendar.MONTH),
                     calendar.get(Calendar.DAY_OF_MONTH));
         }
     }
 }
	/*
	* Copyright (C) 2016 The CyanogenMod Project
	* Copyright (C) 2017 The LineageOS 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.cyanogenmod.setupwizard;

	import android.app.AlarmManager;
	import android.app.DatePickerDialog;
	import android.app.Dialog;
	import android.app.DialogFragment;
	import android.app.TimePickerDialog;
	import android.content.BroadcastReceiver;
	import android.content.Context;
	import android.content.Intent;
	import android.content.IntentFilter;
	import android.content.res.XmlResourceParser;
	import android.os.Bundle;
	import android.os.Handler;
	import android.text.format.DateFormat;
	import android.util.Log;
	import android.view.View;
	import android.widget.AdapterView;
	import android.widget.DatePicker;
	import android.widget.ImageView;
	import android.widget.SimpleAdapter;
	import android.widget.Spinner;
	import android.widget.TextView;
	import android.widget.TimePicker;

	import com.cyanogenmod.setupwizard.util.SetupWizardUtils;

	import org.xmlpull.v1.XmlPullParserException;

	import java.util.ArrayList;
	import java.util.Calendar;
	import java.util.Collections;
	import java.util.Comparator;
	import java.util.HashMap;
	import java.util.List;
	import java.util.Map;
	import java.util.TimeZone;

	public class DateTimeActivity extends BaseSetupWizardActivity implements
	TimePickerDialog.OnTimeSetListener, DatePickerDialog.OnDateSetListener {

	public static final String TAG = DateTimeActivity.class.getSimpleName();

	private static final String KEY_ID = "id"; // value: String
	private static final String KEY_DISPLAYNAME = "name"; // value: String
	private static final String KEY_GMT = "gmt"; // value: String
	private static final String KEY_OFFSET = "offset"; // value: int (Integer)
	private static final String XMLTAG_TIMEZONE = "timezone";

	private static final int HOURS_1 = 60 * 60000;

	private TimeZone mCurrentTimeZone;
	private View mDateView;
	private View mTimeView;
	private TextView mDateTextView;
	private TextView mTimeTextView;


	private final Handler mHandler = new Handler();

	private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
	@Override
	public void onReceive(Context context, Intent intent) {
	updateTimeAndDateDisplay();
	}
	};

	@Override
	protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setNextText(R.string.next);

	final Spinner spinner = (Spinner) findViewById(R.id.timezone_list);
	final SimpleAdapter adapter = constructTimezoneAdapter(this, false);
	mCurrentTimeZone = TimeZone.getDefault();
	mDateView = findViewById(R.id.date_item);
	mDateView.setOnClickListener(new View.OnClickListener() {
	@Override
	public void onClick(View view) {
	showDatePicker();
	}
	});
	mTimeView = findViewById(R.id.time_item);
	mTimeView.setOnClickListener(new View.OnClickListener() {
	@Override
	public void onClick(View view) {
	showTimePicker();
	}
	});
	mDateTextView = (TextView)findViewById(R.id.date_text);
	mTimeTextView = (TextView)findViewById(R.id.time_text);
	// Pre-select current/default timezone
	mHandler.post(new Runnable() {
	@Override
	public void run() {
	int tzIndex = getTimeZoneIndex(adapter, mCurrentTimeZone);
	spinner.setAdapter(adapter);
	if (tzIndex != -1) {
	spinner.setSelection(tzIndex);
	}
	spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
	@Override
	public void onItemSelected(AdapterView<?> adapterView, View view, int position, long id) {
	final Map<?, ?> map = (Map<?, ?>) adapterView.getItemAtPosition(position);
	final String tzId = (String) map.get(KEY_ID);
	if (mCurrentTimeZone != null && !mCurrentTimeZone.getID().equals(tzId)) {
	// Update the system timezone value
	final AlarmManager alarm = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
	alarm.setTimeZone(tzId);
	mCurrentTimeZone = TimeZone.getTimeZone(tzId);
	}

	}

	@Override
	public void onNothingSelected(AdapterView<?> adapterView) {
	}
	});
	}
	});
	// Pre-select current/default date if epoch
	mHandler.post(new Runnable() {
	@Override
	public void run() {
	final Calendar calendar = Calendar.getInstance();
	final boolean isEpoch = calendar.get(Calendar.YEAR) == 1970;
	if (isEpoch) {
	// If epoch, set date to build date
	long timestamp = SetupWizardUtils.getBuildDateTimestamp();
	if (timestamp > 0) {
	calendar.setTimeInMillis(timestamp * 1000);
	setDate(DateTimeActivity.this, calendar.get(Calendar.YEAR),
	calendar.get(Calendar.MONTH), calendar.get(Calendar.DAY_OF_MONTH));
	} else {
	// no build date available, use a sane default
	setDate(DateTimeActivity.this, 2017, Calendar.JANUARY, 1);
	}
	}
	}
	});
	}

	@Override
	public void onResume() {
	super.onResume();
	// Register for time ticks and other reasons for time change
	IntentFilter filter = new IntentFilter();
	filter.addAction(Intent.ACTION_TIME_TICK);
	filter.addAction(Intent.ACTION_TIME_CHANGED);
	filter.addAction(Intent.ACTION_TIMEZONE_CHANGED);
	registerReceiver(mIntentReceiver, filter, null, null);

	updateTimeAndDateDisplay();
	}

	@Override
	public void onPause() {
	super.onPause();
	unregisterReceiver(mIntentReceiver);
	}

	@Override
	protected int getTransition() {
	return TRANSITION_ID_SLIDE;
	}

	@Override
	protected int getLayoutResId() {
	return R.layout.setup_datetime_page;
	}

	@Override
	protected int getTitleResId() {
	return R.string.setup_datetime;
	}

	@Override
	protected int getIconResId() {
	return R.drawable.ic_datetime;
	}

	@Override
	public void onDateSet(DatePicker view, int year, int month, int day) {
	setDate(this, year, month, day);
	updateTimeAndDateDisplay();
	}

	@Override
	public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
	setTime(this, hourOfDay, minute);
	updateTimeAndDateDisplay();
	}

	private void showDatePicker() {
	DatePickerFragment datePickerFragment = DatePickerFragment.newInstance();
	datePickerFragment.show(getFragmentManager(), DatePickerFragment.TAG);
	}

	private void showTimePicker() {
	TimePickerFragment timePickerFragment = TimePickerFragment.newInstance();
	timePickerFragment.show(getFragmentManager(), TimePickerFragment.TAG);
	}

	private void updateTimeAndDateDisplay() {
	java.text.DateFormat shortDateFormat = DateFormat.getDateFormat(this);
	final Calendar now = Calendar.getInstance();
	mTimeTextView.setText(DateFormat.getTimeFormat(this).format(now.getTime()));
	mDateTextView.setText(shortDateFormat.format(now.getTime()));
	}

	private static SimpleAdapter constructTimezoneAdapter(Context context,
	boolean sortedByName) {
	final String[] from = new String[] {KEY_DISPLAYNAME, KEY_GMT};
	final int[] to = new int[] {android.R.id.text1, android.R.id.text2};

	final String sortKey = (sortedByName ? KEY_DISPLAYNAME : KEY_OFFSET);
	final TimeZoneComparator comparator = new TimeZoneComparator(sortKey);
	final List<HashMap<String, Object>> sortedList = getZones(context);
	Collections.sort(sortedList, comparator);
	final SimpleAdapter adapter = new SimpleAdapter(context,
	sortedList,
	R.layout.date_time_setup_custom_list_item_2,
	from,
	to);

	return adapter;
	}

	private static List<HashMap<String, Object>> getZones(Context context) {
	final List<HashMap<String, Object>> myData = new ArrayList();
	final long date = Calendar.getInstance().getTimeInMillis();
	try {
	XmlResourceParser xrp = context.getResources().getXml(R.xml.timezones);
	while (xrp.next() != XmlResourceParser.START_TAG)
	continue;
	xrp.next();
	while (xrp.getEventType() != XmlResourceParser.END_TAG) {
	while (xrp.getEventType() != XmlResourceParser.START_TAG) {
	if (xrp.getEventType() == XmlResourceParser.END_DOCUMENT) {
	return myData;
	}
	xrp.next();
	}
	if (xrp.getName().equals(XMLTAG_TIMEZONE)) {
	String id = xrp.getAttributeValue(0);
	String displayName = xrp.nextText();
	addItem(myData, id, displayName, date);
	}
	while (xrp.getEventType() != XmlResourceParser.END_TAG) {
	xrp.next();
	}
	xrp.next();
	}
	xrp.close();
	} catch (XmlPullParserException xppe) {
	Log.e(TAG, "Ill-formatted timezones.xml file");
	} catch (java.io.IOException ioe) {
	Log.e(TAG, "Unable to read timezones.xml file");
	}

	return myData;
	}

	private static void addItem(
	List<HashMap<String, Object>> myData, String id, String displayName, long date) {
	final HashMap<String, Object> map = new HashMap();
	map.put(KEY_ID, id);
	map.put(KEY_DISPLAYNAME, displayName);
	final TimeZone tz = TimeZone.getTimeZone(id);
	final int offset = tz.getOffset(date);
	final int p = Math.abs(offset);
	final StringBuilder name = new StringBuilder();
	name.append("GMT");

	if (offset < 0) {
	name.append('-');
	} else {
	name.append('+');
	}

	name.append(p / (HOURS_1));
	name.append(':');

	int min = p / 60000;
	min %= 60;

	if (min < 10) {
	name.append('0');
	}
	name.append(min);

	map.put(KEY_GMT, name.toString());
	map.put(KEY_OFFSET, offset);

	myData.add(map);
	}

	private static int getTimeZoneIndex(SimpleAdapter adapter, TimeZone tz) {
	final String defaultId = tz.getID();
	final int listSize = adapter.getCount();
	for (int i = 0; i < listSize; i++) {
	// Using HashMap<String, Object> induces unnecessary warning.
	final HashMap<?,?> map = (HashMap<?,?>)adapter.getItem(i);
	final String id = (String)map.get(KEY_ID);
	if (defaultId.equals(id)) {
	// If current timezone is in this list, move focus to it
	return i;
	}
	}
	return -1;
	}

	private static void setDate(Context context, int year, int month, int day) {
	Calendar c = Calendar.getInstance();

	c.set(Calendar.YEAR, year);
	c.set(Calendar.MONTH, month);
	c.set(Calendar.DAY_OF_MONTH, day);
	long when = c.getTimeInMillis();

	if (when / 1000 < Integer.MAX_VALUE) {
	((AlarmManager) context.getSystemService(Context.ALARM_SERVICE)).setTime(when);
	}
	}

	private static void setTime(Context context, int hourOfDay, int minute) {
	Calendar c = Calendar.getInstance();

	c.set(Calendar.HOUR_OF_DAY, hourOfDay);
	c.set(Calendar.MINUTE, minute);
	c.set(Calendar.SECOND, 0);
	c.set(Calendar.MILLISECOND, 0);
	long when = c.getTimeInMillis();

	if (when / 1000 < Integer.MAX_VALUE) {
	((AlarmManager) context.getSystemService(Context.ALARM_SERVICE)).setTime(when);
	}
	}

	private static class TimeZoneComparator implements Comparator<HashMap<?, ?>> {
	private String mSortingKey;

	public TimeZoneComparator(String sortingKey) {
	mSortingKey = sortingKey;
	}

	public void setSortingKey(String sortingKey) {
	mSortingKey = sortingKey;
	}

	public int compare(HashMap<?, ?> map1, HashMap<?, ?> map2) {
	Object value1 = map1.get(mSortingKey);
	Object value2 = map2.get(mSortingKey);

	/*
	* This should never happen, but just in-case, put non-comparable
	* items at the end.
	*/
	if (!isComparable(value1)) {
	return isComparable(value2) ? 1 : 0;
	} else if (!isComparable(value2)) {
	return -1;
	}

	return ((Comparable) value1).compareTo(value2);
	}

	private boolean isComparable(Object value) {
	return (value != null) && (value instanceof Comparable);
	}
	}

	public static class TimePickerFragment extends DialogFragment
	implements TimePickerDialog.OnTimeSetListener {

	private static String TAG = TimePickerFragment.class.getSimpleName();

	public static TimePickerFragment newInstance() {
	TimePickerFragment frag = new TimePickerFragment();
	return frag;
	}

	@Override
	public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
	((DateTimeActivity)getActivity()).onTimeSet(view, hourOfDay, minute);
	}

	@Override
	public Dialog onCreateDialog(Bundle savedInstanceState) {
	final Calendar calendar = Calendar.getInstance();
	return new TimePickerDialog(
	getActivity(),
	this,
	calendar.get(Calendar.HOUR_OF_DAY),
	calendar.get(Calendar.MINUTE),
	DateFormat.is24HourFormat(getActivity()));
	}

	}

	public static class DatePickerFragment extends DialogFragment
	implements DatePickerDialog.OnDateSetListener {

	private static String TAG = DatePickerFragment.class.getSimpleName();

	public static DatePickerFragment newInstance() {
	DatePickerFragment frag = new DatePickerFragment();
	return frag;
	}

	@Override
	public void onDateSet(DatePicker view, int year, int month, int day) {
	((DateTimeActivity)getActivity()).onDateSet(view, year, month, day);
	}

	@Override
	public Dialog onCreateDialog(Bundle savedInstanceState) {
	final Calendar calendar = Calendar.getInstance();
	return new DatePickerDialog(
	getActivity(),
	this,
	calendar.get(Calendar.YEAR),
	calendar.get(Calendar.MONTH),
	calendar.get(Calendar.DAY_OF_MONTH));
	}
	}
	}