"React Native Advanced In-depth Video Tutorial" This course covers more than 40 minutes of advanced React Native. React Native (RN for short) is a cross-platform mobile application development framework open sourced by Facebook in April 2015. It is Facebook's first open source The UI framework React is a derivative of the native mobile application platform and currently supports the two major platforms of iOS and Android. RN uses Javascript language, JSX similar to HTML, and CSS to develop mobile applications, so technicians who are familiar with Web front-end development can enter the field of mobile application development with very little learning.