BLE Bluetooth Low Energy + Compose Guide

BLE Bluetooth Low Energy + Compose Guide Integrate Bluetooth Low Energy for IoT devices. Handle permissions, scanning, and GATT communication in Compose. Permissions Setup // AndroidManifest.xml < uses-permission android : name = "android.permission.BLUETOOTH" /> < uses-permission android : name = "android.permission.BLUETOOTH_SCAN" /> < uses-permission android : name = "android.permission.BLUETOOTH_CONNECT" /> Request runtime permissions: val permissionLauncher = rememberLauncherForActivityResult ( ActivityResultContracts . RequestMultiplePermissions () ) { permissions -> // Handle permission results } BLE Scanning class BleViewModel : ViewModel () { private val _devices = MutableStateFlow < List < BluetoothDevice >>( emptyList ()) val devices : StateFlow < List < BluetoothDevice >> = _devices . asStateFlow () fun startScanning ( context : Context ) { val bluetoothManager = context . getSystemService ( BluetoothManager :: class . java ) val scanner = bluetoothManager . adapter . bluet