title: What is the differences between onAttach() and isAdded() in android Fragment?
body: <p>Can anyone tell me what are the different of use of onAttach() and isAdded in Android Fragment?</p>
  
  <p>When create a new fragment onAttach() method creating default.</p>
  
  <p>I checked <a href="https://stackoverflow.com/questions/30729072/android-what-is-the-difference-between-fragment-isdetached-and-isadded">this</a> question, the question is asked about !onDetech() and isAdded() , also one answer there, but I am not clear with that.. 
  Thanks</p>