title: Android: How can I resume an app from background from service without calling onCreate method?
body: <p>When you leave an app by pressing home button or something else, overlay window has been shown. I would like to implement action when this window is touched, the app will be resume with current activity and data. I know how to resume the app with FLAG_ACTIVITY_NEW_TASK in intent, it works, but it is not what i want. I would like to keep data of this activity when resume has begin.</p>
  
  <p>Thank you.</p>