react-native-camera/Example/package.json

{
  "name": "Example",
  "version": "0.0.1",
  "private": true,
  "scripts": {
    "start": "node node_modules/react-native/local-cli/cli.js start"
  },
  "dependencies": {
    "react": "~15.4.0",
    "react-native": "~0.40.0",
    "react-native-camera": "file:../"
  }
}