Learn the Kotlin programming language in this introduction to Kotlin. Kotlin is a general purpose, open source, statically typed "pragmatic" programming language. It is used for many things, including Android development. Like And subscribe for new videos on universal code : / @ubad-code
And You can see a playlist of how to build an Android E-Commerce Application using Kotlin, PHP, and the Paypal API :
• Android E-Commerce App using Kotlin, PHP ...