Which framework is best for Android app?

Thus, normal android applications are relatively portable across platforms. Native Android applications (or more precisely, native sections of Android applications) are written in C and compiled directly to the machine code of a specific platform .

A native app is one that is developed using the language of choice of a given operating system . It’s the traditional way to build apps where Android apps are built using Java and iOS apps are developed using Swift or Objective-C.4 Ara 2020

Top Android Development Frameworks to Learn in 2019