DatePicker Example

Screenshots :

activity_main.xml :

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context="com.chantisandroid.exampleapp.MainActivity">

    <Button

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="Date Picker"

        android:id="@+id/button"

        android:layout_alignParentTop="true"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="117dp" />

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:textAppearance="?android:attr/textAppearanceLarge"

        android:id="@+id/textView"

        android:layout_below="@+id/button"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="129dp" />

</RelativeLayout>

MainActivity.java :

package com.chantisandroid.exampleapp;

import android.app.DatePickerDialog;

import android.app.Dialog;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

import android.widget.DatePicker;

import android.widget.TextView;

import java.util.Calendar;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {

    Button button;

    TextView textView;

    Calendar c = Calendar.getInstance();

    private int yearr;

    private int month;

    private int day;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        textView = (TextView) findViewById(R.id.textView);

        button = (Button) findViewById(R.id.button);

        button.setOnClickListener(this);

    }

    @Override

    public void onClick(View view) {

        new DatePickerDialog(MainActivity.this, d,c.get(Calendar.YEAR),

                c.get(Calendar.MONTH), c.get(Calendar.DAY_OF_MONTH)).show();

    }

 DatePickerDialog.OnDateSetListener d = new DatePickerDialog.OnDateSetListener() {

@Override

public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {

        day = dayOfMonth;

        month = monthOfYear + 1;

        yearr = year;

        textView.setText( day + "-" + month + "-" + yearr);

        }

        };

        }