title: AnalogClock and DigitalClock views are missing in android studio
body: <p>I am learning android development with the tutorial on YouTube. The guy there has AnalogClock and DigitalClock but I do not have it as you can see it:</p>
  
  <p><a href="https://i.stack.imgur.com/t6OFL.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/t6OFL.png" alt="enter image description here"></a></p>
  
  <p>How can I add that to my android studio?</p>