title: IInAppBillingService.aidl cannot generate Java file in Android Studio
body: <p>I am trying to use in app product purchase in Android App, I tried to put IInAppBillingService.aidl in many places but no one generates the Java file , here is my structure of App:</p>
  
  <p><img src="https://i.stack.imgur.com/MugOw.jpg" alt="enter image description here"></p>
  
  <p>Could someone help me to find where I am wrong ?</p>
  
  <p>Note: I am use using Android Studio.</p>