[Kotlin] 블루투스 페어링을 위한 소스 코드

[MainActivity]

val deviceAddress = "00:00:00:00:00:00" // Replace with the address of your Bluetooth device
val bluetoothAdapter: BluetoothAdapter? = BluetoothAdapter.getDefaultAdapter()

// Check if device supports Bluetooth
if (bluetoothAdapter == null) {
    // Device does not support Bluetooth
} else {
    // Device supports Bluetooth
    
    // Check if Bluetooth is enabled on device
    if (!bluetoothAdapter.isEnabled) {
        // Request to enable Bluetooth
        val enableBtIntent = Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE)
        startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT)
    }
    
    // Get the Bluetooth device by its address
    val device: BluetoothDevice = bluetoothAdapter.getRemoteDevice(deviceAddress)
    
    // Check if the device is already paired
    if (device.bondState == BluetoothDevice.BOND_BONDED) {
        // Device is already paired, no need to pair again
    } else {
        // Device is not paired, initiate pairing
        val pairingIntent = Intent(BluetoothDevice.ACTION_PAIRING_REQUEST)
        pairingIntent.putExtra(BluetoothDevice.EXTRA_DEVICE, device)
        pairingIntent.putExtra(BluetoothDevice.EXTRA_PAIRING_VARIANT, BluetoothDevice.PAIRING_VARIANT_PIN)
        startActivityForResult(pairingIntent, REQUEST_PAIRING)
    }
}