Introduce permission listeners

[williamrijksen]

Context

Introduces the permission changes listeners to the appcelerator module

• addPermissionObserver iOS
• addPermissionObserver android

How to test

• build the module

• add the following code to your test device/application

      var onesignal = require('com.williamrijksen.onesignal');
  
      onesignal.addEventListener('permissionChanged', function (evt) {
          console.log(JSON.stringify(evt));
      });

  • Verify the outcome is like this:

    // evt iOS
    {"to":{"status":2,"hasPrompted":true},"from":{"status":1,"hasPrompted":true}}
    // evt android
    {"to":{"enabled":true},"from":{"enabled":false}}

Notes

Blocked by #62