I have the following code in my app to access PeripheralManagerService:
PeripheralManagerService
PeripheralManagerService service = new PeripheralManagerService(); Gpio
Rather than using PeripheralManagerService service = new PeripheralManagerService(); use
PeripheralManagerService service = new PeripheralManagerService();
PeripheralManager peripheralManager=PeripheralManager.getInstance();