Develop Android Date Picker

public class MyDatePicker extends Activity { private int myYear, myMonth, myDay;

static final int ID_DATEPICKER = 0;

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

Button datePickerButton = (Button)findViewById(R.id.datepickerbutton);

datePickerButton.setOnClickListener(datePickerButtonOnClickListener);

}

private Button.OnClickListener datePickerButtonOnClickListener

= new Button.OnClickListener(){

@Override

public void onClick(View v) {

// TODO Auto-generated method stub

final Calendar c = Calendar.getInstance();

myYear = c.get(Calendar.YEAR);

myMonth = c.get(Calendar.MONTH);

myDay = c.get(Calendar.DAY_OF_MONTH);

showDialog(ID_DATEPICKER);

}

};

@Override

protected Dialog onCreateDialog(int id) {

// TODO Auto-generated method stub

switch(id){

case ID_DATEPICKER:

Toast.makeText(DatePicker.this, "- onCreateDialog -",

Toast.LENGTH_LONG).show();

return new DatePickerDialog(this,

myDateSetListener,

myYear, myMonth, myDay);

default:

return null;

}

}

@Override

protected void onPrepareDialog(int id, Dialog dialog) {

switch (id) {

case ID_DATEPICKER:

((DatePickerDialog) dialog).updateDate(myYear, myMonth, myDay);

break;

}

}

private DatePickerDialog.OnDateSetListener myDateSetListener

= new DatePickerDialog.OnDateSetListener(){

@Override

public void onDateSet(android.widget.DatePicker view, int year,

int monthOfYear, int dayOfMonth) {

// TODO Auto-generated method stub

String date = "Year: " + String.valueOf(year) + "\n"

+ "Month: " + String.valueOf(monthOfYear+1) + "\n"

+ "Day: " + String.valueOf(dayOfMonth);

Toast.makeText(DatePicker.this, date,

Toast.LENGTH_LONG).show();

}

};

}

main.xml