app.json

{
  "expo": {
    "name": "expo-ble-sample",
    "slug": "expo-ble-sample",
    "version": "1.0.0",
    "orientation": "portrait",
    "icon": "./assets/icon.png",
    "userInterfaceStyle": "light",
    "plugins": [
      [
        "@config-plugins/react-native-ble-plx",
        {
          "isBackgroundEnabled": true,
          "modes": ["peripheral", "central"],
          "bluetoothAlwaysPermission": "Allow $(PRODUCT_NAME) to connect to bluetooth devices"
        }
      ]
    ],
    "splash": {
      "image": "./assets/splash.png",
      "resizeMode": "contain",
      "backgroundColor": "#ffffff"
    },
    "updates": {
      "fallbackToCacheTimeout": 0
    },
    "assetBundlePatterns": ["**/*"],
    "ios": {
      "supportsTablet": true,
      "bundleIdentifier": "com.dfriyia2.expoblesample"
    },
    "android": {
      "adaptiveIcon": {
        "foregroundImage": "./assets/adaptive-icon.png",
        "backgroundColor": "#FFFFFF"
      },
      "permissions": [
        "android.permission.BLUETOOTH",
        "android.permission.BLUETOOTH_ADMIN",
        "android.permission.BLUETOOTH_CONNECT"
      ],
      "package": "com.dfriyia2.expoblesample"
    },
    "web": {
      "favicon": "./assets/favicon.png"
    }
  }
}