title: How to detect if another application is open in Flutter?
body: <p>[EDITED]
  I want to create an application that discourages the usage of social media applications. Like if they open Instagram or something then the Flutter app will know.</p>
  
  <p>How would I detect if another application (Such as Instagram or Twitter) is open when my Flutter app is opened?</p>
  
  <p>If this is difficult to implement in Flutter, can anyone suggest some other languages or code for this functionality?</p>
  
  <p>Thanks!!</p>