İonic 2 window.pluging not found

Hİ, I wantto use any plugins on Ionic 2 Angular 2. Im beginner ionic 2 but I dont know what Im missing…

I added this plugin cordova-plugin-screensize and show plugins folder.

I can work on the project both emulator and browser, no problem this steps.

I’ve done a lot of research , but my findings did not work.