React Native is an open-source mobile application framework created by Facebook. It is used to develop applications for Android, iOS, Web and UWP by enabling developers to use React along with native platform capabilities.
https://reactnative.dev/
Yes you have to download android SDK
Yes you have to download java
Yes build on gradle
Yes the 99% of people using 'React native' and compile it to APK under Android studio, there is a cmd through
Youtube - React Native Tutorial for Beginners - Getting Started (2017)
React Native Tutorial: Building Android Apps with JavaScript (2018)
How to Generate a React Native Release Build APK for Android (2019)
using Expo you can build online and download the apk.
Expo - Proguard: Is it possible?
Vue Native
There is also Vue-Native
Vue Native is a useful framework to build applications for mobile platforms using Vuejs. Vue Native compiles to React and uses components provided by React Native.
How to Setup, Build and Deploy Native Apps with Vue & Expo (2019)
NativeBase
Essential cross-platform UI components for React Native & Vue Native.
https://nativebase.io/
https://reactnative.dev/
Yes you have to download android SDK
Yes you have to download java
Yes build on gradle
Yes the 99% of people using 'React native' and compile it to APK under Android studio, there is a cmd through
Youtube - React Native Tutorial for Beginners - Getting Started (2017)
React Native Tutorial: Building Android Apps with JavaScript (2018)
How to Generate a React Native Release Build APK for Android (2019)
using Expo you can build online and download the apk.Expo - Proguard: Is it possible?
Vue Native
There is also Vue-Native
Vue Native is a useful framework to build applications for mobile platforms using Vuejs. Vue Native compiles to React and uses components provided by React Native.
How to Setup, Build and Deploy Native Apps with Vue & Expo (2019)
NativeBase
Essential cross-platform UI components for React Native & Vue Native.
https://nativebase.io/