Develop mobile apps with React Native. Covers implementing new features, reading and refactoring existing code, writing tests, and working with package managers, debugging tools and the ecosystem's tooling.Develop mobile apps with React Native. Covers implementing new features, reading and refactoring existing code, writing tests, and working with package managers, debugging tools and the ecosystem's tooling.Develop mobile apps with React Native. Covers implementing new features, reading and refactoring existing code, writing tests, and working with package managers, debugging tools and the ecosystem's tooling.