Which is best language for Android app development?

Each operating system has its own language used for coding a native app. If you’re building an iOS native app, for example, you might want to use Objective C or Swift as the programming language. For Android native app development, you would need to use Java or Kotlin .

The official language for Android development is Java . Large parts of Android are written in Java and its APIs are designed to be called primarily from Java. It is possible to develop C and C++ app using the Android Native Development Kit (NDK), however it isn’t something that Google promotes.11 May 2016

Native app development is coded in a language that’s supported natively by the specific operating system of mobile devices . (Example: native iOS app vs. native Android app). This is used if you’re building an app specifically for the Apple App Store or Google Play Store.