Doing it the Kotlin way

What happens if our application requires a lot of permissions that must be handled through the code? It happens that we have a lot of code handling different permission requests. This means that we have a lot of boilerplate code! Luckily for us, we are using Kotlin. Kotlin will be our tool to make things simpler!

Create a new package called permission. Then create two new Kotlin files as follows:

PermissionCompatActivity and PermissionRequestCallback.

Let's define the permission request callback as follows:

     package com.journaler.permission 
     interface PermissionRequestCallback { 
       fun onPermissionGranted(permissions: List<String>) 
       fun onPermissionDenied(permissions: List<String>) 

This will be the callback that will ...

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