// În metoda onCreate(), înlocuiți blocul de creare a MqttHandler cu:

val useTls = intent.getBooleanExtra("useTls", false)

val sslSocketFactory = if (useTls) {
    TlsHelper.createMtlsSocketFactory(
        context = this,
        trustStoreResId = R.raw.truststore,
        keyStoreResId = R.raw.keystore
    )
} else {
    null
}

mqttHandler = MqttHandler(
    brokerIp,
    brokerPort,
    sslSocketFactory = sslSocketFactory,
    isConnectedCallback = { isConnected ->
        runOnUiThread {
            handleConnectionStateChange(isConnected)
        }
    },
    onCommandReceived = { command ->
        runOnUiThread {
            appendLog(getString(R.string.main_logs_command_received_entry, command))
            handleReceivedCommand(command)
        }
    }
)