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Well the last week I tried to rebuilt the Android- App in .Net Maui with c#. I get a connection but I do not receive an answer for TurnAutoSyncOn(). I think the problem is in my GLMDeviceController. But I do not know where. Can anybody help?   using Android.Content; using Android.Util; using Com.Bosch.Mtprotocol.Glm100C.Event; using VindorMobileApp.Platforms.Android.Bosch.bluetooth; using Com.Bosch.Mtprotocol; using Com.Bosch.Mtprotocol.Glm100C.Message.Laser; using Com.Bosch.Mtprotocol.Glm100C.Message.Sync; using Com.Bosch.Mtprotocol.Glm100C.Message.Edc; using Com.Bosch.Mtprotocol.Thermo.Message.Edct; using Com.Bosch.Mtprotocol.Glm100C; using static Com.Bosch.Mtprotocol.IMtProtocol; public class GLMDeviceController : Java.Lang.Object, MTProtocolEventObserver { private static readonly string TAG = "GLMDeviceController"; private static readonly string ACTION_ERROR = "ERROR"; public static readonly string ACTION_SYNC_CONTAINER_RECEIVED = "SYNC_CONTAINER_RECEIVED"; public static readonly string ACTION_THERMAL_CONTAINER_RECEIVED = "THERMAL_CONTAINER_RECEIVED"; public static readonly string EXTRA_MEASUREMENT = "MEASUREMENT"; public Context context; public IMtProtocol protocol; public MTBluetoothDevice bluetoothDevice; public bool initSyncRequest; public bool ready; public bool disposedValue; public GLMDeviceController(Context context) { this.context = context; } /** * Test utility: * Use this method to turn the laser of connected GLM device on */ public void TurnLaserOn() { if (IsReady()) { ready = false; protocol.SendMessage(new LaserOnMessage()); } } /** * Test utility: * Use this method to turn the laser of connected GLM device off */ public void TurnLaserOff() { if (IsReady()) { ready = false; protocol.SendMessage(new LaserOffMessage()); } } /** * Starts sync mode between app and GLM device * When sync mode is started the GLM device will send every event to the app */ private void TurnAutoSyncOn() { if (IsReady()) { ready = false; if (bluetoothDevice != null) { if (BluetoothUtils.ValidateGLM100Name(bluetoothDevice)) { // GLM 100 device SyncOutputMessage requestDoSync = new SyncOutputMessage(); requestDoSync.SyncControl = SyncOutputMessage.ModeAutosyncControlOn; protocol.SendMessage(requestDoSync); Log.Debug(TAG, "Sync started GLM 100..."); } else if (BluetoothUtils.ValidateEDCDevice(bluetoothDevice)) { // Exchange Data Container (EDC) based device EDCOutputMessage requestEDCSync = new EDCOutputMessage(); requestEDCSync.SyncControl = EDCOutputMessage.ModeAutosyncControlOn; requestEDCSync.DevMode = EDCOutputMessage.ReadOnlyMode; protocol.SendMessage(requestEDCSync); Console.WriteLine(TAG, "Sync started EDC device..."); } else if (BluetoothUtils.ValidateGISName(bluetoothDevice)) { // GIS device EDCTOutputMessage requestEDCTSync = new EDCTOutputMessage(); requestEDCTSync.SyncControl = EDCTOutputMessage.ModeAutosyncControlOn; requestEDCTSync.RemoteMode = EDCTOutputMessage.RemoteSetPingCycle; requestEDCTSync.RemoteCtrlData = 20; protocol.SendMessage(requestEDCTSync); Log.Debug(TAG, "Sync started GIS device..."); } } } } /** * Receives MtProtocolEvents from MtProtocol layer and acts accordingly. * The MtProtocol layer will forward received MtProtocolEvents to its observers. * @param e the MtProtocolEvent received */ void MTProtocolEventObserver.OnEvent(IMTProtocolEvent e) { ready = true; if (e is MtProtocolFatalErrorEvent) { // fatal error Log.Debug(TAG, "Received MtProtocolFatalErrorEvent"); protocol.Reset(); context.SendBroadcast(new Intent(ACTION_ERROR)); } else if (e is MtProtocolReceiveMessageEvent) { // received MT message -> act considering message type IMtMessage message = ((MtProtocolReceiveMessageEvent)e).Message; if (message is SyncInputMessage) { // Sync Message Type used by GLM 100 C SyncInputMessage syncMessage = (SyncInputMessage)message; if (initSyncRequest) { // Ignore first response initSyncRequest = false; return; } Log.Debug(TAG, "SyncInputMessageReceived: " + syncMessage.ToString()); if (syncMessage.Mode == SyncInputMessage.MeasModeSingle && syncMessage.LaserOn == 0) { // Handle only distance measurements BroadcastMeasurement(ACTION_SYNC_CONTAINER_RECEIVED, syncMessage.Result); } } else if (message is EDCInputMessage) { // Exchange Data Container (EDC) Message Type used by all other connected GLM devices if (initSyncRequest) { // Ignore first response initSyncRequest = false; return; } Log.Debug(TAG, "Received EDC: " + message.ToString()); EDCInputMessage edcMessage = (EDCInputMessage)message; Log.Debug(TAG, "EDCInputMessageReceived: " + edcMessage.ToString()); if (edcMessage.DevMode == EDCInputMessage.ModeSingleDistance || edcMessage.DevMode == EDCInputMessage.ModeContinuousDistance) { // Handle only distance measurements BroadcastMeasurement(ACTION_SYNC_CONTAINER_RECEIVED, edcMessage.Result); } } else if (message is EDCTInputMessage) { // Exchange Data Container for Thermal device (EDCT) message type used by GIS 1000 C if (initSyncRequest) { // Ignore first response initSyncRequest = false; return; } Log.Debug(TAG, "EDCT message received from " + bluetoothDevice.DisplayName); HandleEDCTMessage((EDCTInputMessage)message); } else { Log.Debug(TAG, "Receivedother message"); } } else if (e is MtProtocolRequestTimeoutEvent) { // protocol timeout Log.Debug(TAG, "Received MtProtocolRequestTimeoutEvent"); Intent intent = new Intent(ACTION_ERROR); context.SendBroadcast(intent); } else { Log.Error(TAG, "Received unknown event"); } initSyncRequest = false; } private void BroadcastMeasurement(string action, float value) { Intent i = new Intent(action); i.PutExtra(EXTRA_MEASUREMENT, value); context.SendBroadcast(i); } private bool IsReady() { return protocol != null && ready; } public void Init(IMtConnection connection, MTBluetoothDevice btDevice) { Destroy(); bluetoothDevice = btDevice; if (connection is BLEConnection) { // MirX based device throw new System.Exception("BLE Protokoll nicht implementiert"); protocol = new MtProtocolImpl(); } else { // PAN 1026 based device protocol = new MtProtocolImpl(); } protocol.AddObserver(this); protocol.SetTimeout(5000); protocol.Initialize(connection); ready = true; initSyncRequest = true; TurnAutoSyncOn(); } public void Destroy() { if (protocol != null) { protocol.RemoveObserver(this); protocol.Destroy(); protocol = null; } } public MTBluetoothDevice GetBTDevice() { return bluetoothDevice; } private void HandleEDCTMessage(EDCTInputMessage edctMessage) { int packNum = edctMessage.PacketNum; Log.Debug(TAG, "EDCT Message Packet Number: " + packNum); if (packNum == EDCTInputMessage.PacketNum1) { // handle packet 1 only for this example BroadcastMeasurement(ACTION_THERMAL_CONTAINER_RECEIVED, edctMessage.Result); } } }        Thanks a lot. Ciao Steve ... View more