DatePicker
Course- Android >
Android DatePicker is a gadget to choose date. It enables you to choose date by day, month and year. Like DatePicker, android additionally gives TimePicker to choose 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;
}
}