Please install following dependencies and expo start:[df1]
"@expo/vector-icons": "6.3.0",
"expo": "^31.0.2",
"lodash": "^4.17.4",
"react": "16.5.0",
"react-native": "https://github.com/expo/react-native/archive/sdk-31.0.0.tar.gz",
"react-native-elements": "^1.0.0-beta7",
"react-native-ratings": "^5.3.0",
"react-native-touchable-scale": "2.0.0",
"react-navigation": "1.5.8"