title: using common Layout and its event in all activities
body: <p>I have one common layout that has four button at top bar and i am using this layout in all activities by including that common layout in all activities layout 
  by</p>
  
  <p><code>&lt;include ... &gt;</code></p>
  
  <p>But i have to use that 4 buttons click event in all activities 
  is there any comman way to create custom actvity that is used in all activites , i have created on activity and implement that 4 button click event in that activity and extends that activity in all actvity but it is not working  for me.
  please give me some idea for that.
  Thanks</p>