Android DatePicker Example

Android DatePicker is a widget to select date. It allows you to select date by day, month and year. Like DatePicker, android also provides TimePicker to select time.

The android.widget.DatePicker is the subclass of FrameLayout class.

Android DatePicker Example

Let's see the simple example of datepicker widget in android.

activity_main.xml

File: activity_main.xml

<RelativeLayout xmlns:androclass="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=".MainActivity" >

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:layout_marginLeft="50dp"
        android:layout_marginTop="36dp"
        android:text="Current Date:" />

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_centerHorizontal="true"
        android:layout_marginBottom="140dp"
        android:text="Change Date" />

    <DatePicker
        android:id="@+id/datePicker1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_above="@+id/button1"
        android:layout_centerHorizontal="true"
        android:layout_marginBottom="30dp" />

</RelativeLayout>

Activity class

File: MainActivity.java

package com.example.datepicker2;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends Activity {
	DatePicker picker;
	Button displayDate;
	TextView textview1;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		
		textview1=(TextView)findViewById(R.id.textView1);
		picker=(DatePicker)findViewById(R.id.datePicker1);
		displayDate=(Button)findViewById(R.id.button1);
		
		textview1.setText(getCurrentDate());
		
		displayDate.setOnClickListener(new OnClickListener(){
			@Override
			public void onClick(View view) {
				textview1.setText(getCurrentDate());
			}
			
		});
	}
    public String getCurrentDate(){
    	StringBuilder builder=new StringBuilder();
		builder.append("Current Date: ");
		builder.append((picker.getMonth() + 1)+"/");//month is 0 based
		builder.append(picker.getDayOfMonth()+"/");
		builder.append(picker.getYear());
		return builder.toString();
    }
	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.activity_main, menu);
		return true;
	}

}

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