title: Android custom component doesn't retain value on orientation change
body: <p>I have a layout that uses TextView and a custom control I created that combine a TextView and two buttons for an integer up/down control. The TextView retains its value when the device is rotated, I'm calling the save/restore instance state.  I'm not capturing any values as the device retains the values.  However, this is not the case for my custom component.</p>
  
  <p>Is there something I need to implement in a custom control so when the device orientation changes it retains the values like the native controls do?</p>
  
  <p>Thank you.</p>