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/*
* Copyright (C) 2007 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.example.android.apis.view;
import com.example.android.apis.R;
import android.app.Activity;
import android.app.DatePickerDialog;
import android.app.TimePickerDialog;
import android.app.Dialog;
import android.os.Bundle;
import android.widget.TextView;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.TimePicker;
import android.view.View;
import java.util.Calendar;
/**
* Basic example of using date and time widgets, including
* {@link android.app.TimePickerDialog} and {@link android.widget.DatePicker}.
*
* Also provides a good example of using {@link Activity#onCreateDialog},
* {@link Activity#onPrepareDialog} and {@link Activity#showDialog} to have the
* activity automatically save and restore the state of the dialogs.
*/
public class DateWidgets1 extends Activity {
// where we display the selected date and time
private TextView mDateDisplay;
// date and time
private int mYear;
private int mMonth;
private int mDay;
private int mHour;
private int mMinute;
static final int TIME_12_DIALOG_ID = 0;
static final int TIME_24_DIALOG_ID = 1;
static final int DATE_DIALOG_ID = 2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.date_widgets_example_1);
mDateDisplay = (TextView) findViewById(R.id.dateDisplay);
setDialogOnClickListener(R.id.pickDate, DATE_DIALOG_ID);
setDialogOnClickListener(R.id.pickTime12, TIME_12_DIALOG_ID);
setDialogOnClickListener(R.id.pickTime24, TIME_24_DIALOG_ID);
final Calendar c = Calendar.getInstance();
mYear = c.get(Calendar.YEAR);
mMonth = c.get(Calendar.MONTH);
mDay = c.get(Calendar.DAY_OF_MONTH);
mHour = c.get(Calendar.HOUR_OF_DAY);
mMinute = c.get(Calendar.MINUTE);
updateDisplay();
}
private void setDialogOnClickListener(int buttonId, final int dialogId) {
Button b = (Button) findViewById(buttonId);
b.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
showDialog(dialogId);
}
});
}
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case TIME_12_DIALOG_ID:
case TIME_24_DIALOG_ID:
return new TimePickerDialog(this,
mTimeSetListener, mHour, mMinute, id == TIME_24_DIALOG_ID);
case DATE_DIALOG_ID:
return new DatePickerDialog(this,
mDateSetListener,
mYear, mMonth, mDay);
}
return null;
}
@Override
protected void onPrepareDialog(int id, Dialog dialog) {
switch (id) {
case TIME_12_DIALOG_ID:
case TIME_24_DIALOG_ID:
((TimePickerDialog) dialog).updateTime(mHour, mMinute);
break;
case DATE_DIALOG_ID:
((DatePickerDialog) dialog).updateDate(mYear, mMonth, mDay);
break;
}
}
private void updateDisplay() {
mDateDisplay.setText(
new StringBuilder()
// Month is 0 based so add 1
.append(mMonth + 1).append("-")
.append(mDay).append("-")
.append(mYear).append(" ")
.append(pad(mHour)).append(":")
.append(pad(mMinute)));
}
private DatePickerDialog.OnDateSetListener mDateSetListener =
new DatePickerDialog.OnDateSetListener() {
public void onDateSet(DatePicker view, int year, int monthOfYear,
int dayOfMonth) {
mYear = year;
mMonth = monthOfYear;
mDay = dayOfMonth;
updateDisplay();
}
};
private TimePickerDialog.OnTimeSetListener mTimeSetListener =
new TimePickerDialog.OnTimeSetListener() {
public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
mHour = hourOfDay;
mMinute = minute;
updateDisplay();
}
};
private static String pad(int c) {
if (c >= 10)
return String.valueOf(c);
else
return "0" + String.valueOf(c);
}
}
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