DatePickerDialog.java revision 9066cfe9886ac131c34d59ed0e2d287b0e3c0087
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.app; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.DialogInterface; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.DialogInterface.OnClickListener; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Bundle; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.TextUtils.TruncateAt; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.format.DateFormat; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.LayoutInflater; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.DatePicker; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.TextView; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.DatePicker.OnDateChangedListener; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport com.android.internal.R; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.text.DateFormatSymbols; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Calendar; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A simple dialog containing an {@link android.widget.DatePicker}. 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class DatePickerDialog extends AlertDialog implements OnClickListener, 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project OnDateChangedListener { 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String YEAR = "year"; 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String MONTH = "month"; 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String DAY = "day"; 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final DatePicker mDatePicker; 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final OnDateSetListener mCallBack; 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Calendar mCalendar; 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final java.text.DateFormat mDateFormat; 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final String[] mWeekDays; 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mInitialYear; 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mInitialMonth; 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mInitialDay; 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The callback used to indicate the user is done filling in the date. 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface OnDateSetListener { 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param view The view associated with this listener. 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param year The year that was set. 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param monthOfYear The month that was set (0-11) for compatibility 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * with {@link java.util.Calendar}. 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dayOfMonth The day of the month that was set. 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth); 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param context The context the dialog is to run in. 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param callBack How the parent is notified that the date is set. 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param year The initial year of the dialog. 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param monthOfYear The initial month of the dialog. 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dayOfMonth The initial day of the dialog. 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public DatePickerDialog(Context context, 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project OnDateSetListener callBack, 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int year, 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int monthOfYear, 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dayOfMonth) { 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this(context, com.android.internal.R.style.Theme_Dialog_Alert, 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project callBack, year, monthOfYear, dayOfMonth); 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param context The context the dialog is to run in. 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param theme the theme to apply to this dialog 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param callBack How the parent is notified that the date is set. 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param year The initial year of the dialog. 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param monthOfYear The initial month of the dialog. 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param dayOfMonth The initial day of the dialog. 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public DatePickerDialog(Context context, 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int theme, 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project OnDateSetListener callBack, 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int year, 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int monthOfYear, 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int dayOfMonth) { 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, theme); 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCallBack = callBack; 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInitialYear = year; 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInitialMonth = monthOfYear; 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInitialDay = dayOfMonth; 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DateFormatSymbols symbols = new DateFormatSymbols(); 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mWeekDays = symbols.getShortWeekdays(); 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDateFormat = DateFormat.getMediumDateFormat(context); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCalendar = Calendar.getInstance(); 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updateTitle(mInitialYear, mInitialMonth, mInitialDay); 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setButton(context.getText(R.string.date_time_set), this); 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setButton2(context.getText(R.string.cancel), (OnClickListener) null); 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setIcon(R.drawable.ic_dialog_time); 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LayoutInflater inflater = 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project View view = inflater.inflate(R.layout.date_picker_dialog, null); 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setView(view); 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDatePicker = (DatePicker) view.findViewById(R.id.datePicker); 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDatePicker.init(mInitialYear, mInitialMonth, mInitialDay, this); 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void show() { 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.show(); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Sometimes the full month is displayed causing the title 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to be very long, in those cases ensure it doesn't wrap to 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2 lines (as that looks jumpy) and ensure we ellipsize the end. 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project TextView title = (TextView) findViewById(R.id.alertTitle); 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project title.setSingleLine(); 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project title.setEllipsize(TruncateAt.END); 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onClick(DialogInterface dialog, int which) { 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCallBack != null) { 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDatePicker.clearFocus(); 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCallBack.onDateSet(mDatePicker, mDatePicker.getYear(), 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDatePicker.getMonth(), mDatePicker.getDayOfMonth()); 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onDateChanged(DatePicker view, int year, 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int month, int day) { 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updateTitle(year, month, day); 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void updateDate(int year, int monthOfYear, int dayOfMonth) { 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInitialYear = year; 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInitialMonth = monthOfYear; 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInitialDay = dayOfMonth; 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDatePicker.updateDate(year, monthOfYear, dayOfMonth); 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void updateTitle(int year, int month, int day) { 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCalendar.set(Calendar.YEAR, year); 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCalendar.set(Calendar.MONTH, month); 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCalendar.set(Calendar.DAY_OF_MONTH, day); 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String weekday = mWeekDays[mCalendar.get(Calendar.DAY_OF_WEEK)]; 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTitle(weekday + ", " + mDateFormat.format(mCalendar.getTime())); 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Bundle onSaveInstanceState() { 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Bundle state = super.onSaveInstanceState(); 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project state.putInt(YEAR, mDatePicker.getYear()); 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project state.putInt(MONTH, mDatePicker.getMonth()); 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project state.putInt(DAY, mDatePicker.getDayOfMonth()); 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return state; 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onRestoreInstanceState(Bundle savedInstanceState) { 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onRestoreInstanceState(savedInstanceState); 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int year = savedInstanceState.getInt(YEAR); 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int month = savedInstanceState.getInt(MONTH); 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int day = savedInstanceState.getInt(DAY); 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDatePicker.init(year, month, day, this); 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project updateTitle(year, month, day); 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 186