title: Android Lollipop: Where to find code of "API Demos" app preinstalled in the Android Lollipop Nexus 5 emulator
body: <p>I have just installed Android 5 on Android studio and Made my first run on an emulator. I've found "API Demos" app really interesting and I would like to find the code. I'm talking about this app:<img src="https://i.stack.imgur.com/ryYzS.png" alt="enter image description here"></p>
  
  <p>Somebody knows where I can find it?</p>
  
  <p>Thank you very much!</p>