title: Is it possible to add an app to the native share dialog?
body: <p>I am assuming it is not possible to add apps to the native share dialog, like the one used in the Camera Roll. However I see screenshots around with different apps in the dialog.</p>
  
  <p><img src="https://i.stack.imgur.com/zQeHk.png" alt="">
  <img src="https://i.stack.imgur.com/PYdLR.jpg" alt=""></p>
  
  <p>Is it only apps that are integrated in the OS that can be in this dialog? Or is it possible with some scheme or something?</p>