Setar wallpaper usando react-native
npm install --save https://github.com/ramonrpa/react-native-wallpaper-manager.git
react-native link react-native-wallpaper-manager
import WallPaperManager from 'react-native-wallpaper-manager';
WallPaperManager.setWallPaper({uri: 'http://example.com/test.png', screen: 'both/home/lockscreen'}, (res)=> console.log(res));