Description

1. Date Picker is a control which provides user flexibility to pick the date.

2. It has a month, day and year picking user interface format calendar.

3. It is a part of Widget

4. Button, datePicker and TextView controls are used.

5. onClickListener and datePicker() method is introduced to invoke the button class

XML Attributes

• android:calendarViewShow: it checks the status of calendar i view. 

• android:datePickerMode: it shows the look of widget. 

• android:maxDate : The maximum date shown by this calendar view. 

• android:minDate: The minimum date shown by this calendar view. 

• android:spinnersShown : It checks whether spinner is shown. 

• android:startYear : it set first year of calender. 

• android:yearListItemTextAppearance :To Change the list year's text appearance in the list. 

• android:yearListSelectorColor : To change the list year's selected circle color in the list.

Methods

• getDayOfMonth() :- It returns the selected day of month.

• getMonth() :It get the selected month.

• getYear() : It returns the selected year.

• getCalendarView():-To get the calendar view..

Android_Manifest.xml

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

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

    package="com.mapsample.msclient009.date">



    <application

        android:allowBackup="true"

        android:icon="@mipmap/ic_launcher"

        android:label="@string/app_name"

        android:roundIcon="@mipmap/ic_launcher_round"

        android:supportsRtl="true"

        android:theme="@style/AppTheme">

        <activity android:name=".MainActivity">

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />



                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

    </application>



</manifest>

Activity_main.xml

<?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="com.mapsample.msclient009.date.MainActivity"

    android:orientation="vertical">

    <LinearLayout

        android:orientation="vertical"

        android:layout_width="match_parent"

        android:layout_height="wrap_content">



    <DatePicker

        android:id="@+id/dp"

        android:layout_width="200dp"

        android:layout_height="300dp"

        android:layout_weight="1" />

    </LinearLayout>

    <LinearLayout

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:orientation="vertical">

    <TextView

        android:textColor="#199119"

        android:id="@+id/tv"

        android:layout_width="match_parent"

        android:layout_height="wrap_content" />

    <Button

        android:id="@+id/btn"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:layout_weight="1"

        android:background="#F90"

        android:textSize="20dp"

        android:textColor="#f9f9f9"

        android:text="Date-Picker Tool" />

    </LinearLayout>

</LinearLayout>

Main_Activity.java

package com.mapsample.msclient009.date;
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;
public class MainActivity extends AppCompatActivity {
 DatePicker dp;
 Button btn;
 TextView tv;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate ( savedInstanceState );
        setContentView ( R.layout.activity_main );
        dp =(DatePicker)findViewById ( R.id.dp );
        btn =(Button)findViewById ( R.id.btn );
        tv =(TextView)findViewById ( R.id.tv );
          tv.setText (datePicker () );
        btn.setOnClickListener ( new View.OnClickListener ( ) {
            @Override
            public void onClick(View v) {
                tv.setText ( datePicker () );
            }
        } );
    }
    public String datePicker()
    {StringBuilder sb = new StringBuilder ( );
      sb.append ("Select Date");
      sb.append ( dp.getMonth ()+1+":" );
      sb.append (dp.getDayOfMonth ()+":");
      sb.append ( dp.getYear () );
      return (sb.toString ());
    }
}