This is Android Studio telling you that you have used a new construct (View) without importing it in the import section, at the top of the Java code. This is easy to fix.

We will examine some of the top contenders that empower app developers to create the best-performing and most engaging apps, amplifying the Android experience. Android Studio leads the way as it is ...

Google has released the stable build of Android Studio 4.0, its newest official integrated development environment (IDE) for building Android apps on Windows, Mac, Linux and Chrome OS.