title: Prevent Apple Watch from turning off the screen
body: <p>I'm writing an extension for the Apple Watch which aim is to guide the user through a set of steps. I don't have the watch to test the extension but I need to be sure that the screen will remain always on until all the steps are completed.</p>
  
  <p>Does anyone can tell me when Apple Watch display is turned off or if there any way to prevent the display from turning off (similar idleTimerDisabled from UIApplication in iOS)?</p>