Android – DatePickerDialog example

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Problem: Select date from dialog and display it in TextView.
Solution:

DatePickerDemoActivity.java

package com.paresh.datepicker;

import java.util.Calendar;

import android.app.Activity;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.TextView;

public class DatePickerDemoActivity extends Activity {
    /** Called when the activity is first created. */

	   private TextView mDateDisplay;
	    private Button mPickDate;
	    private int mYear;
	    private int mMonth;
	    private int mDay;

	    static final int DATE_DIALOG_ID = 0;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        // capture our View elements
        mDateDisplay = (TextView) findViewById(R.id.dateDisplay);
        mPickDate = (Button) findViewById(R.id.pickDate);

        // add a click listener to the button
        mPickDate.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                showDialog(DATE_DIALOG_ID);
            }
        });

        // get the current date
        final Calendar c = Calendar.getInstance();
        mYear = c.get(Calendar.YEAR);
        mMonth = c.get(Calendar.MONTH);
        mDay = c.get(Calendar.DAY_OF_MONTH);

        // display the current date (this method is below)
        updateDisplay();
    }

    // updates the date in the TextView
    private void updateDisplay() {
        mDateDisplay.setText(getString(R.string.strSelectedDate,
            new StringBuilder()
                    // Month is 0 based so add 1
                    .append(mMonth + 1).append("-")
                    .append(mDay).append("-")
                    .append(mYear).append(" ")));
    }

    // the callback received when the user "sets" the date in the dialog
    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();
                }
            };

	@Override
	protected Dialog onCreateDialog(int id) {
		switch (id) {
		case DATE_DIALOG_ID:
			return new DatePickerDialog(this, mDateSetListener, mYear, mMonth,
					mDay);
		}
		return null;
	}
}

main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical"
    android:gravity="center"
    android:padding="10dp">

    <TextView android:id="@+id/dateDisplay"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text=""/>

    <button android:id="@+id/pickDate"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Change the date"
        android:layout_marginTop="20dp"/>
</LinearLayout>

Download full example: Android – DatePickerDialog example

Paresh Mayani

Lazy android developer, exploring the horizon of android development since 7 years. He is Technical Lead - Android at Lets Nurture, India. He is also Application Architect at KarConnect. He is the Head/Organizer of Google Developers Group (GDG), Ahmedabad

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