Slip 2 - D) Create an Android Application that Demonstrate DatePicker and DatePickerDailog.

Solution:

Xml file

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

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

    xmlns:app="http://schemas.android.com/apk/res-auto"

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

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    tools:context=".MainActivity"

    android:orientation="vertical">

    <Button

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:id="@+id/bt_show"

        android:text="show dialog"

        android:layout_marginTop="50sp"

        android:layout_gravity="center">

    </Button>

    <TextView

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:id="@+id/txtdate"

        android:textSize="30sp"

        android:layout_marginTop="50sp"

        android:layout_gravity="bottom">

    </TextView>

</LinearLayout>

Mainactivity file

package com.example.slip2_datepicker;

import android.app.DatePickerDialog;

import android.icu.util.Calendar;

import android.os.Build;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

import android.widget.DatePicker;

import android.widget.TextView;

import androidx.annotation.RequiresApi;

import androidx.appcompat.app.AppCompatActivity;

public class MainActivity extends AppCompatActivity {

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

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

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

        bt_show.setOnClickListener(new View.OnClickListener() {

            @RequiresApi(api = Build.VERSION_CODES.N)

            @Override

            public void onClick(View view) {

                final Calendar calendar= Calendar.getInstance();

                int date=calendar.get(Calendar.DATE);

                int month=calendar.get(Calendar.MONTH);

                int year=calendar.get(Calendar.YEAR);

                DatePickerDialog pickerDialog = new DatePickerDialog(MainActivity.this, new DatePickerDialog.OnDateSetListener() {

                    @Override

                    public void onDateSet(DatePicker datePicker, int year, int month, int date) {

                        txtdate.setText("Selected date is : "+date+"-"+month+"-"+year);

                    }

                },year,month,date);

                pickerDialog.show();

                txtdate.setText("Selected date is :"+txtdate.getText());

            }

        });

    }

}