Hello World in Android Studio 2021 - Your First App 

In this video, we will be creating a Hello World App using Android Studio 2021! Also testing it directly on our Android Virtual Device using the Emulator we set up in the previous video! So make sure to follow along to create your first Android App, and follow along with our Full RU-vid Course in this Playlist! • Android Complete Course
Here are the links by the way!
Free download: page.tutorials...
Our Android Masterclass: bit.ly/3l6vG86
The concrete method comes from the AppCompactActivity which this class is extending. We are able to use it here due to one of the features of object-oriented programming called inheritance that will be covered in a later video.
tutorialsEU offers you free video tutorials about programming and development for complete beginners up to experienced programmers.
This includes C#, Unity, Python, Android, Kotlin, Machine Learning, etc.
Stay tuned and subscribe to tutorialsEU: goo.gl/rBFh3x
Android: / @tutorialseuandroid
C#: / @tutorialseuc
Unity: / @tutorialseuunity
Facebook: / tutorialseu-1093802040...
LinkedIn: / tutorialseu
Discord: / discord