This is the links I think who can help you getting an app done in react-native. Remember for learning react-native you need to know React and his ecosystem. After that, almost 50% to 60% of the job is done, the rest gonna learning specific platform api.

• udemy.com/the-complete-react-native-and-redux-cou…
• udemy.com/react-native-advanced
• A bit of react also with redux here udemy.com/react-redux
• This book for react robinwieruch.de/the-road-to-learn-react
• All his website have lot of react content robinwieruch.de
• Free course learn.handlebarlabs.com/p/react-native-basics-bui…

I also have a youtube channel where I do small little clone of some website like twitter or instagram.

Twitter Clone: youtube.com/playlist

Instagram Clone: youtube.com/playlist

Hope that can help you.

Also I have this repos where I keep track of all the link he took me to learn react, react-native, redux etc github.com/EQuimper/All-About-Programming