Using react-native-ble-manager without plugins

[ShubhamBhadauriaImpressico]

Can we use the code of the App.tsx file without plugins and use it in an existing project?
In iOS - the list of devices are showing
In Android - no devices in the same location

Permission for Android
AndroidManifestPermission.docx

Anything I am missing in the code? Please check code
BluetoothSetUp.docx