DatePicker
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
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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="example.javatpoint.com.datepicker.MainActivity">
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@+id/button1"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_marginBottom="102dp"
android:layout_marginLeft="30dp"
android:layout_marginStart="30dp"
android:text="" />
<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="20dp"
android:text="Change Date" />
<DatePicker
android:id="@+id/datePicker"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@+id/textView1"
android:layout_centerHorizontal="true"
android:layout_marginBottom="36dp" />
</RelativeLayout>
<RelativeLayout 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="example.javatpoint.com.datepicker.MainActivity">
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@+id/button1"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_marginBottom="102dp"
android:layout_marginLeft="30dp"
android:layout_marginStart="30dp"
android:text="" />
<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="20dp"
android:text="Change Date" />
<DatePicker
android:id="@+id/datePicker"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@+id/textView1"
android:layout_centerHorizontal="true"
android:layout_marginBottom="36dp" />
</RelativeLayout>
Activity class
File: MainActivity.java
package example.javatpoint.com.datepicker;
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 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.datePicker);
displayDate=(Button)findViewById(R.id.button1);
textview1.setText("Current Date: "+getCurrentDate());
displayDate.setOnClickListener(new View.OnClickListener(){
@Override
public void onClick(View view) {
textview1.setText("Change Date: "+getCurrentDate());
}
});
}
public String getCurrentDate(){
StringBuilder builder=new StringBuilder();;
builder.append((picker.getMonth() + 1)+"/");//month is 0 based
builder.append(picker.getDayOfMonth()+"/");
builder.append(picker.getYear());
return builder.toString();
}
}
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 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.datePicker);
displayDate=(Button)findViewById(R.id.button1);
textview1.setText("Current Date: "+getCurrentDate());
displayDate.setOnClickListener(new View.OnClickListener(){
@Override
public void onClick(View view) {
textview1.setText("Change Date: "+getCurrentDate());
}
});
}
public String getCurrentDate(){
StringBuilder builder=new StringBuilder();;
builder.append((picker.getMonth() + 1)+"/");//month is 0 based
builder.append(picker.getDayOfMonth()+"/");
builder.append(picker.getYear());
return builder.toString();
}
}
Output:
