Programming Tutorials

package com.javasamples;

import android.app.Activity;
import android.os.Bundle;
import android.app.DatePickerDialog;
import android.app.TimePickerDialog;
import android.view.View;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.TimePicker;
import android.widget.TextView;
import java.text.DateFormat;
import java.util.Calendar;

public class DateTimeDemo1 extends Activity {
	DateFormat fmtDateAndTime = DateFormat.getDateTimeInstance();
	TextView lblDateAndTime;
	Calendar myCalendar = Calendar.getInstance();

	DatePickerDialog.OnDateSetListener d = new DatePickerDialog.OnDateSetListener() {
	public void onDateSet(DatePicker view, int year, int monthOfYear,
			int dayOfMonth) {
	myCalendar.set(Calendar.YEAR, year);
	myCalendar.set(Calendar.MONTH, monthOfYear);
	myCalendar.set(Calendar.DAY_OF_MONTH, dayOfMonth);
	updateLabel();
	}
	};

	TimePickerDialog.OnTimeSetListener t = new TimePickerDialog.OnTimeSetListener() {
	public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
		myCalendar.set(Calendar.HOUR_OF_DAY, hourOfDay);
		myCalendar.set(Calendar.MINUTE, minute);
		updateLabel();
	}
	};

	private void updateLabel() {
		lblDateAndTime.setText(fmtDateAndTime.format(myCalendar.getTime()));
	}

	@Override
	public void onCreate(Bundle icicle) {
	super.onCreate(icicle);
	setContentView(R.layout.main);
	lblDateAndTime = (TextView) findViewById(R.id.lblDateAndTime);
	Button btnDate = (Button) findViewById(R.id.btnDate);
	btnDate.setOnClickListener(new View.OnClickListener() {
		public void onClick(View v) {
			new DatePickerDialog(DateTimeDemo1.this, d, myCalendar
					.get(Calendar.YEAR), myCalendar.get(Calendar.MONTH),
					myCalendar.get(Calendar.DAY_OF_MONTH)).show();
		}
	});

	Button btnTime = (Button) findViewById(R.id.btnTime);
	btnTime.setOnClickListener(new View.OnClickListener() {
		public  void onClick(View v) {
			new TimePickerDialog(DateTimeDemo1.this, t, myCalendar
					.get(Calendar.HOUR_OF_DAY), myCalendar
					.get(Calendar.MINUTE), true).show();
		}
	});

	updateLabel();
	}// onCreate
} // class

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
	android:id="@+id/widget28"
	android:layout_width="fill_parent"
	android:layout_height="fill_parent"
	android:orientation="vertical"
	xmlns:android="http://schemas.android.com/apk/res/android">
	<TextView
		android:id="@+id/lblDateAndTime"
		android:layout_width="fill_parent"
		android:layout_height="47px"
		android:background="#ff000099"
		android:textStyle="bold">
	</TextView>
	<Button
		android:id="@+id/btnDate"
		android:layout_width="fill_parent"
		android:layout_height="wrap_content"
		android:text="Set the Date">
	</Button>
	<Button
		android:id="@+id/btnTime"
		android:layout_width="fill_parent"
		android:layout_height="wrap_content"
		android:text="Set the Time">
	</Button>
</LinearLayout>