<DatePicker
    android:id="@+id/datePicker1"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content" />

DatePicker dp = (DatePicker)findViewById(R.id.datePicker1);

Calendar c = Calendar.getInstance();
int year = c.get(Calendar.YEAR);
int month = c.get(Calendar.MONTH);
int date = c.get(Calendar.DATE);

    dp.init(year, month, date, new OnDateChangedListener() {
      
      @Override
      public void onDateChanged(DatePicker arg0, int arg1, int arg2, int arg3) {
        
        Toast.makeText(MainActivity.this, 
            MainActivity.this.year+ " " + MainActivity.this.month + " " + MainActivity.this.date,
            Toast.LENGTH_LONG).show();
        
      }
    });

<TimePicker
android:id="@+id/timePicker1"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />

TimePicker tp = (TimePicker)findViewById(R.id.timePicker1); 

Calendar c = Calendar.getInstance();
hour = c.get(Calendar.HOUR);
munite = c.get(Calendar.MINUTE);
second = c.get(Calendar.SECOND);

tp.setOnTimeChangedListener(new OnTimeChangedListener() {
      
      @Override
      public void onTimeChanged(TimePicker arg0, int arg1, int arg2) {
        
        
        Toast.makeText(MainActivity.this,
            MainActivity.this.hour+ " " + MainActivity.this.munite + " " + MainActivity.this.second,
            Toast.LENGTH_LONG).show();
      }
});