{
  "name": "example",
  "version": "0.0.1",
  "private": true,
  "scripts": {
    "postinstall": "npx jetify",
    "start": "node node_modules/react-native/local-cli/cli.js start",
    "test": "jest"
  },
  "dependencies": {
    "jetifier": "^1.6.5",
    "react": "16.8.3",
    "react-native": "0.59.9",
    "react-native-gesture-handler": "~1.3.0",
    "react-native-screens": "^1.0.0-alpha",
    "react-native-track-player": "file:..",
    "react-navigation": "^3.11.0"
  },
  "devDependencies": {
    "@babel/core": "^7.4.4",
    "@babel/plugin-proposal-decorators": "^7.1.2",
    "@babel/runtime": "^7.4.4",
    "@types/react": "^16.4.14",
    "@types/react-native": "^0.57.0",
    "babel-jest": "^24.8.0",
    "jest": "^24.8.0",
    "metro-react-native-babel-preset": "^0.54.0",
    "react-test-renderer": "16.8.3"
  },
  "jest": {
    "preset": "react-native"
  }
}

{
  "name": "example",
  "version": "0.0.1",
  "private": true,
  "scripts": {
    "postinstall": "npx jetify",
    "start": "node node_modules/react-native/local-cli/cli.js start",
    "test": "jest",
    "android:menu": "adb shell input keyevent 82",
    "android:reload": "adb shell input keyevent 82 && adb shell input keyevent 66 && adb shell input keyevent 66"
  },
  "dependencies": {
    "jetifier": "^1.6.5",
    "react": "16.8.3",
    "react-native": "0.59.9",
    "react-native-gesture-handler": "~1.3.0",
    "react-native-screens": "^1.0.0-alpha",
    "react-native-track-player": "file:..",
    "react-navigation": "^3.11.0"
  },
  "devDependencies": {
    "@babel/core": "^7.4.4",
    "@babel/plugin-proposal-decorators": "^7.1.2",
    "@babel/runtime": "^7.4.4",
    "@types/react": "^16.4.14",
    "@types/react-native": "^0.57.0",
    "babel-jest": "^24.8.0",
    "jest": "^24.8.0",
    "metro-react-native-babel-preset": "^0.54.0",
    "react-test-renderer": "16.8.3"
  },
  "jest": {
    "preset": "react-native"
  }
}

Add some scripts to ease android development.
[example] Add some scripts to ease android development.
