What is react-native-material-ui?

React Native Material UI is a library of pre-built interface components for building mobile apps with React Native. It follows Material Design, the visual style guide created by Google that defines how buttons, cards, lists, toolbars, and other common interface pieces should look and behave on screen. The library works on both iOS and Android, giving developers a consistent set of building blocks across both platforms without maintaining separate code for each. The main value is that app developers do not have to design or code these common interface pieces from scratch. Instead, they install this package and drop ready-made components into their app. The components are described as highly customizable, meaning you can adjust colors, spacing, and other visual properties to match your app's specific look without rewriting the underlying component code. This saves a significant amount of time during the early stages of building a mobile product. The README itself is short and delegates most of the detail to separate documentation pages covering installation steps, a usage guide, a full component catalog, and live demos. A couple of real published apps, Savee.io and Reservio, are shown as examples of products built with this library, which gives a rough sense of what finished apps using it look like. The repository is written in JavaScript and is available via npm, the standard package registry for JavaScript projects. It carries an MIT license, which means it is free to use in personal and commercial projects without royalty obligations. The project was created by Jiri Otahal and Jan Ziemba.