title: Date and time picker in same dialogbox
body: <p>How can I show Date picker and time picker in the same dialog box ?
  If I' using </p>
  
  <pre><code>&lt;TimePicker
      android:id="@+id/timePicker1"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content" /&gt;
  
  &lt;DatePicker
      android:id="@+id/datePicker1"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content" /&gt;
  </code></pre>
  
  <p>what should be done on <strong>MainAcitiviy.java</strong>
  I'm new to android. I  searched but didnt get anything,, </p>