A single page react native app that displays the weather results from https://openweathermap.org
First clone the repository to your directory, and make a file called api.js in the ./src directory and add the folowing lines of code
const api = "API_KEY";
export {api};
you can claim your api key from https://openweathermap.org/appid
set up react native if you haven't already from https://facebook.github.io/react-native/docs/getting-started.html