Date Picker - Anroid Example

Project Structure :

 

 

File : res/layout/main.xml <?xml version="1.0" encoding="utf-8"?>  <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:orientation="vertical" >    <Buttonh        android:id="@+id/changeDate"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="Click To Change Date" />    <TextView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="Current/Selected Date (M-D-YYYY): "        android:textAppearance="?android:attr/textAppearanceLarge" />       <TextView        android:id="@+id/Output"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text=""        android:textAppearance="?android:attr/textAppearanceLarge" />  </LinearLayout>   File : res/layout/main.xml   <?xml version="1.0" encoding="utf-8"?>  <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:orientation="vertical" >    <Buttonh        android:id="@+id/changeDate"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="Click To Change Date" />    <TextView        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="Current/Selected Date (M-D-YYYY): "        android:textAppearance="?android:attr/textAppearanceLarge" />       <TextView        android:id="@+id/Output"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text=""        android:textAppearance="?android:attr/textAppearanceLarge" />  </LinearLayout>  File : src/DatePickerExample.java   import java.util.Calendar; import android.app.Activity; import android.app.DatePickerDialog; import android.app.Dialog; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.DatePicker; import android.widget.TextView; public class DatePickerExample extends Activity {     private TextView Output;     private Button changeDate;     private int year;     private int month;     private int day;     static final int DATE_PICKER_ID = 1111;     @Override     public void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.main);         Output = (TextView) findViewById(R.id.Output);         changeDate = (Button) findViewById(R.id.changeDate);         // Get current date by calender                   final Calendar c = Calendar.getInstance();         year  = c.get(Calendar.YEAR);         month = c.get(Calendar.MONTH);         day   = c.get(Calendar.DAY_OF_MONTH);         // Show current date                   Output.setText(new StringBuilder()                 // Month is 0 based, just add 1                 .append(month + 1).append("-").append(day).append("-")                 .append(year).append(" "));            // Button listener to show date picker dialog                   changeDate.setOnClickListener(new OnClickListener() {             @Override             public void onClick(View v) {                                   // On button click show datepicker dialog                 showDialog(DATE_PICKER_ID);             }         });    }           @Override     protected Dialog onCreateDialog(int id) {         switch (id) {         case DATE_PICKER_ID:                           // open datepicker dialog.             // set date picker for current date             // add pickerListener listner to date picker             return new DatePickerDialog(this, pickerListener, year, month,day);         }         return null;     }     private DatePickerDialog.OnDateSetListener pickerListener = new DatePickerDialog.OnDateSetListener() {         // when dialog box is closed, below method will be called.         @Override         public void onDateSet(DatePicker view, int selectedYear,                 int selectedMonth, int selectedDay) {                           year  = selectedYear;             month = selectedMonth;             day   = selectedDay;             // Show selected date             Output.setText(new StringBuilder().append(month + 1)                     .append("-").append(day).append("-").append(year)                     .append(" "));                  }         }; }