Expo推送通知 - 错误：无法获取设备的GCM令牌

Question

i try to implement Expo Notification on mt app, very wired, in my last expo app it work well but now it's doesn't, maybe because the versions update this is show when i try the code from expo documentation

Error: Couldn't get GCM token for device

and this is the pacage.json:

My package.json:

{
  "name": "blabla",
  "version": "0.1.0",
  "private": true,
  "devDependencies": {
    "babel-plugin-transform-decorators-legacy": "^1.3.5",
    "jest-expo": "~27.0.0",
    "react-native-scripts": "1.14.0",
    "react-test-renderer": "16.3.1"
  },
  "main": "./node_modules/react-native-scripts/build/bin/crna-entry.js",
  "scripts": {
    "start": "react-native-scripts start",
    "eject": "react-native-scripts eject",
    "android": "react-native-scripts android",
    "ios": "react-native-scripts ios",
    "test": "jest"
  },
  "jest": {
    "preset": "jest-expo"
  },
  "dependencies": {
    "es6-symbol": "^3.1.1",
    "expo": "^29.0.0",
    "firebase": "^5.4.1",
    "mobx": "^4.3.1",
    "mobx-react": "^5.1.0",
    "react": "16.3.1",
    "react-native": "~0.55.2",
    "react-native-animatable": "^1.3.0",
    "react-native-ionicons": "^0.2.2",
    "react-native-progress": "^3.5.0",
    "react-native-simple-toast": "0.0.8",
    "react-navigation": "^2.11.0"
  }
}

Answer 1

Just fixed it by using expo start instead of react-natives-scripts start . If u get expo-cli error, run npm install expo-cli --global .

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