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Getting Started with React Native by Tom Bray, Ethan Holmes

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Preface

Why are there so many alternatives to using native languages to write mobile apps? And, more importantly, why does the world need yet another approach? Obviously, there must be a problem that hasn't been solved.

Developers want to use just one language to develop for both iOS and Android. Web developers want to reuse their existing JavaScript knowledge and leverage the web frameworks they already know and love. This is why Apache Cordova (PhoneGap) exists. By wrapping a web browser in a native app, developers can package their HTML, CSS, and JavaScript applications in a native shell, but why aren't all mobile applications based on Cordova?

Users expect native performance, with a native user experience. Hybrid apps don't solve the user's ...

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