config.json

{
  "app": {
    "appMenu": [
      {"name": "Info"},
      {"name": "Start"},
      {"name": "Android"},
      {"name": "iOS"},
      {"name": "Upgrade"},
      {"name": "Native"},
      {"name": "Eject"}
    ]
  },
  "now": {
    "url": "https://reactnative-zrkchnlzzk.now.sh"
  },
  "circleci": {
    "token": "f91cf242b34093f5cbaea72a9c8ff0d72ac7de48"
  },
  "android": {
    "runOptions": {
      "install-debug": {
        "type": "boolean",
        "default": false
      },
      "root": {
        "type": "string",
        "label": "Override the root directory for the android build (which contains the android directory)",
        "default": ""
      },
      "variant": {
        "type": "string",
        "default": ""
      },
      "appFolder": {
        "type": "string",
        "label": "Specify a different application folder name for the android source.",
        "default": "app"
      },
      "appId": {
        "type": "string",
        "label": "Specify an applicationId to launch after build.",
        "default": ""
      },
      "appIdSuffix": {
        "type": "string",
        "label": "Specify an applicationIdSuffix to launch after build.",
        "default": ""
      },
      "main-activity": {
        "type": "string",
        "label": "Name of the activity to start",
        "default": "MainActivity"
      },
      "deviceId": {
        "type": "string",
        "label": "builds your app and starts it on a specific device/simulator with the given device id (listed by running \"adb devices\" on the command line).",
        "default": ""
      },
      "no-packager": {
        "type": "boolean",
        "label": "Do not launch packager while building",
        "default": false
      },
      "port": {
        "type": "number",
        "default": 8081
      },
      "config": {
        "type": "file",
        "label": "Path to the CLI configuration file",
        "default": ""
      }
    },
    "paths": {
      "apk": "android/app/build/outputs/apk"
    }
  }
}