initializeBle method
Implementation
@override
Future<void> initializeBle() async {
await requestBluetoothPermissions();
try {
final success = await MethodChannel(
'smart_printer_flutter',
).invokeMethod('initBleManager');
print("BLE Manager initialized: $success");
} on PlatformException catch (e) {
print("Gagal inisialisasi BLE: ${e.message}");
}
}