// Connects to the device
public void ConnectToDevice()
{
Task cTask = Task.Factory.StartNew(() =>
{
if (!adapter.IsEnabled)
{
adapter.Enable();
}
adapter.StartDiscovery();
ICollection <BluetoothDevice> devices = adapter.BondedDevices;
if (devices.Count != 0)
{
foreach (var device in devices)
{
if (device.Name.Contains("raspberrypi"))
{
cDevice = device;
}
}
}
if (cDevice != null)
{
Java.Util.UUID uuid = Java.Util.UUID.FromString("94f39d29-7d6d-437d-973b-fba39e49d4ee");
try
{
cSocket = cDevice.CreateRfcommSocketToServiceRecord(uuid);
while (!cSocket.IsConnected)
{
cSocket.Connect();
}
string str;
while ((str = ReadLetter().Result) != "")
{
if (str.Contains("hi"))
{
RunOnUiThread(() => Snackbar.Make(Window.DecorView.RootView, "Connected!", Snackbar.LengthLong).Show());
SendCommand("hello");
break;
}
}
}
catch (Exception)
{
RunOnUiThread(() => Snackbar.Make(Window.DecorView.RootView, "Error while connecting to the device", Snackbar.LengthLong).Show());
}
}
else
{
RunOnUiThread(() => Snackbar.Make(Window.DecorView.RootView, "Error while connecting to the device. Check bluetooth connection", Snackbar.LengthLong).Show());
}
});
Task.WaitAll(new Task[] { cTask });
}
internal static Guid FromNative(this NativeGuid guid)
{
#if __ANDROID__
return(Guid.Parse(guid.ToString()));
#elif __IOS__
return(Guid.Parse(guid.AsString()));
#elif WINDOWS_PHONE_APP
return(guid);
#endif
}
internal static NativeGuid ToNative(this Guid guid)
{
#if __ANDROID__
return(NativeGuid.FromString(guid.ToString("D")));
#elif __IOS__
return(new NativeGuid(guid.ToString("D")));
#elif WINDOWS_PHONE_APP
return(guid);
#endif
}
private bool EnableNotification(string address, Java.Util.UUID serUuid, Java.Util.UUID charUuit)
{
if (mLeService == null)
{
return(false);
}
var gatt = mLeService.GetBluetoothGatt(address);
var c = GattUtil.GetGattCharacteristic(gatt, serUuid, charUuit);
return(SetCharacteristieNotification(gatt, c, true));
}
public virtual Guid FromJavaUuid(Java.Util.UUID uuid)
{
var str = uuid.ToString();
var guid = new Guid(str);
#if true || DEBUG
var txtN = guid.ToString("D"); // Hyphens no braces.
var txtJ = uuid.ToString();
Utils.MiscUtils.Trace_Assert(string.Equals(txtJ, txtN, StringComparison.OrdinalIgnoreCase),
"NOT equal " + txtJ + " and " + txtN);
#endif
return(guid);
}
public bool Connect(Android.Content.Context context, Button btConnect, out BluetoothSocket socket, out string message)
{
message = string.Empty;
if (btConnect != null)
{
btConnect.Text = "Connecting..";
}
socket = null;
//BluetoothDevice device = null;
string result = string.Empty;
try
{
Java.Util.UUID id = Java.Util.UUID.FromString("00001101-0000-1000-8000-00805f9b34fb");
BluetoothAdapter adapter = BluetoothAdapter.DefaultAdapter;
adapter.StartDiscovery();
//BluetoothManager btm = (BluetoothManager)context.GetSystemService(Context.BluetoothService);
if (adapter.BondedDevices.Count(x => x.Name == "HC-06") == 0)
{
adapter = null;
message = "HC-06 device is not paired";
btConnect.Text = "Connect";
return(false);
}
BluetoothDevice k9BTdevice = adapter.BondedDevices.First(x => x.Name == "HC-06");
socket = k9BTdevice.CreateRfcommSocketToServiceRecord(id);
try
{
k9BTdevice.SetPairingConfirmation(false);
// k9BTdevice.Dispose();
k9BTdevice.SetPairingConfirmation(true);
btConnect.Text = "Connect";
}
catch (Exception ex) { };
k9BTdevice.CreateBond();
//context.ApplicationContext.
socket.Connect();
btConnect.Text = "Connected";
}
catch (Exception ex)
{
message = ex.Message;
return(false);
}
return(true);
}
async Task AddTileAsync()
{
string tileName = "8Ball";
try
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final android.graphics.BitmapFactory.Options options = new android.graphics.BitmapFactory.Options();
BitmapFactory.Options options = new BitmapFactory.Options();
options.InScaled = false;
BandIcon tileIcon = BandIcon.ToBandIcon(BitmapFactory.DecodeResource(Resources, Resource.Raw.tile, options));
//BandIcon badgeIcon = mCheckboxBadging.Checked ? BandIcon.ToBandIcon(BitmapFactory.DecodeResource(Resources, Resource.Raw.badge, options)) : null;
BandIcon badgeIcon = BandIcon.ToBandIcon(BitmapFactory.DecodeResource(Resources, Resource.Raw.badge, options));
uuid = Java.Util.UUID.RandomUUID();
BandTile tile =
new BandTile.Builder(uuid, tileName, tileIcon)
.SetTileSmallIcon(badgeIcon)
// .SetTheme(mCheckboxCustomTheme.Checked ? mThemeView.Theme : null)
.Build();
try
{
var result = await Model.Instance.Client.TileManager.AddTileTaskAsync(this, tile);
if (result)
{
Toast.MakeText(this, "Tile added", ToastLength.Short).Show();
}
else
{
Toast.MakeText(this, "Unable to add tile", ToastLength.Short).Show();
}
}
catch (Exception ex)
{
Util.ShowExceptionAlert(this, "Add tile", ex);
}
// Refresh our tile list and count
await RefreshData();
RefreshControls();
}
catch (Exception e)
{
Util.ShowExceptionAlert(this, "Add tile", e);
}
}
public async Task OpenOutputStream()
{
try
{
if (btAdapter == null)
{
btAdapter = BluetoothAdapter.DefaultAdapter;
var devices = btAdapter.BondedDevices;
if (devices != null && devices.Count > 0)
{
printer = devices.FirstOrDefault();
UUID = Java.Util.UUID.FromString(UuidUniverseProfile);
//aguarda 1s
Thread.Sleep(2300);
//aguarda 1s
//Thread.Sleep(1000);
socket = printer.CreateRfcommSocketToServiceRecord(UUID);
socket.Connect();
if (socket.IsConnected)
{
mmOutStream = socket.OutputStream;
}
}
}
else
{
if (!btAdapter.IsEnabled)
{
btAdapter.Enable();
}
}
}
catch (System.Exception ex)
{
Toast.MakeText(Android.App.Application.Context, "Não foi possível se conectar na impressora {0}\n\nVerifique as configurações de impressão e tente novamente", ToastLength.Long).Show();
return;
}
}
private bool SetupBlueTooth()
{
_bluetoothAdapter = BluetoothAdapter.DefaultAdapter;
// If the adapter is null, then Bluetooth is not supported
if (_bluetoothAdapter == null)
{
_testLabel.Text = "Bluetooth: Failed Adapter";
return(false);
}
_bluetoothAdapter.Enable();
_myUUID = Java.Util.UUID.FromString("ec79da00-853f-11e4-b4a9-0800200c9a69");
_myName = _myUUID.ToString();
return(true);
}
public async Task <DeviceConnectionResponse> Connect()
{
if (this.socket == null)
{
Java.Util.UUID uuid = Java.Util.UUID.FromString("00001101-0000-1000-8000-00805F9B34FB");
this.socket = this.device.CreateRfcommSocketToServiceRecord(uuid);
}
try
{
await this.socket.ConnectAsync();
return(DeviceConnectionResponse.Success);
}
catch (Java.IO.IOException ex)
{
Log.Error("BluetoothSocket.Connect()", ex.Message);
return(DeviceConnectionResponse.Failure(
new DeviceConnectionException(this, "BluetoothSocket.ConnectAsync()", ex)));
}
}
public ConnectThread(ContentPage contentPage, BluetoothDevice device)
{
BluetoothSocket auxSocket = null;
mmDevice = device;
mmContentPage = contentPage;
try
{
Java.Util.UUID uuid = Java.Util.UUID.FromString(mUUID);
auxSocket = (BluetoothSocket)mmDevice.Class.GetMethod("createRfcommSocket", new Java.Lang.Class[] { Java.Lang.Integer.Type }).Invoke(mmDevice, 1);
Debug.WriteLine("BluetoothSocket: CREATED");
Debug.WriteLine($"Name: {device.Name}, Address: {device.Address}");
}
catch (Java.IO.IOException e)
{
Debug.WriteLine("BluetoothSocket: NOT CREATED");
e.PrintStackTrace();
}
mmSocket = auxSocket;
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.activity_main);
Android.Support.V7.Widget.Toolbar toolbar = FindViewById <Android.Support.V7.Widget.Toolbar>(Resource.Id.toolbar);
SetSupportActionBar(toolbar);
fab = FindViewById <FloatingActionButton>(Resource.Id.fab);
fab.Click += FabOnClick;
tvOutput = FindViewById <TextView>(Resource.Id.output);
tvStatus = FindViewById <TextView>(Resource.Id.status);
tvStatus.MovementMethod = new ScrollingMovementMethod();
devices.Add("System GPS", null);
var devicePicker = FindViewById <Spinner>(Resource.Id.device_picker);
Java.Util.UUID SERIAL_UUID = Java.Util.UUID.FromString("00001101-0000-1000-8000-00805F9B34FB");
var adapter = Android.Bluetooth.BluetoothAdapter.DefaultAdapter;
if (adapter != null)
{
foreach (var d in adapter.BondedDevices.Where(d => { var uuids = d.GetUuids(); return(uuids != null && uuids.Any(t => t.Uuid.ToString().Equals("00001101-0000-1000-8000-00805F9B34FB", StringComparison.InvariantCultureIgnoreCase))); }))
{
devices[d.Name + " " + d.Address] = d.Address;
}
}
devicePicker.Adapter = new ArrayAdapter <string>(this, Android.Resource.Layout.SimpleSpinnerDropDownItem, devices.Keys.ToArray());
devicePicker.SetSelection(0);
if (ContextCompat.CheckSelfPermission(this, Manifest.Permission.WriteExternalStorage) != Permission.Granted)
{
ActivityCompat.RequestPermissions(this, new[] { Manifest.Permission.WriteExternalStorage }, 1000);
}
LogD.Debug("Started");
}
private async void Start()
{
startButton.Enabled = false;
status = FindViewById <TextView>(Resource.Id.output);
var devicePicker = FindViewById <Spinner>(Resource.Id.device_picker);
var id = devicePicker.SelectedItem.ToString();
var btAddress = devices[id];
if (btAddress == null)
{
if (ContextCompat.CheckSelfPermission(this, Manifest.Permission.AccessFineLocation) != Permission.Granted)
{
ActivityCompat.RequestPermissions(this, new[] { Manifest.Permission.AccessFineLocation }, 1000);
return;
}
if (launched)
{
return;
}
launched = true;
listener = new NmeaParser.SystemNmeaDevice(ApplicationContext);
}
else //Bluetooth
{
try
{
status.Text = "Opening bluetooth...";
var adapter = Android.Bluetooth.BluetoothAdapter.DefaultAdapter;
var bt = Android.Bluetooth.BluetoothAdapter.DefaultAdapter.GetRemoteDevice(btAddress);
Java.Util.UUID SERIAL_UUID = Java.Util.UUID.FromString("00001101-0000-1000-8000-00805F9B34FB"); //UUID for Serial Device Service
socket = bt.CreateRfcommSocketToServiceRecord(SERIAL_UUID);
try
{
await socket.ConnectAsync();
}
catch (Java.IO.IOException)
{
// This sometimes fails. Use fallback approach to open socket
// Based on https://stackoverflow.com/a/41627149
socket.Dispose();
var m = bt.Class.GetMethod("createRfcommSocket", new Java.Lang.Class[] { Java.Lang.Integer.Type });
socket = m.Invoke(bt, new Java.Lang.Object[] { 1 }) as Android.Bluetooth.BluetoothSocket;
socket.Connect();
}
listener = new NmeaParser.StreamDevice(socket.InputStream);
}
catch (System.Exception ex)
{
socket?.Dispose();
socket = null;
status.Text += "\nError opening Bluetooth device:\n" + ex.Message;
}
}
if (listener != null)
{
listener.MessageReceived += Listener_MessageReceived;
status.Text += "\nOpening device...";
await listener.OpenAsync();
status.Text += "\nConnected!";
startButton.Enabled = !(stopButton.Enabled = true);
}
else
{
startButton.Enabled = !(stopButton.Enabled = false);
}
}
public static Task SendMessageTaskAsync(this IBandNotificationManager manager, Java.Util.UUID tileId, string title, string body, Java.Util.Date date, MessageFlags flags)
{
return(manager.SendMessageAsync(tileId, title, body, date, flags).AsTask());
}
public static Task ShowDialogTaskAsync(this IBandNotificationManager manager, Java.Util.UUID tileId, string title, string body)
{
return(manager.ShowDialogAsync(tileId, title, body).AsTask());
}
public static Task SendMessageTaskAsync(this IBandNotificationManager manager, Java.Util.UUID tileId, string title, string body, DateTime date)
{
return(manager.SendMessageTaskAsync(tileId, title, body, date, false));
}
public static Task SendMessageTaskAsync(this IBandNotificationManager manager, Java.Util.UUID tileId, string title, string body, DateTime date, bool showDialog)
{
return(manager.SendMessageTaskAsync(tileId, title, body, date, showDialog ? MessageFlags.ShowDialog : MessageFlags.None));
}
public static Uuid ToUuid(this Java.Util.UUID uuid)
{
return(new Uuid((ulong)uuid.MostSignificantBits, (ulong)uuid.LeastSignificantBits));
}
public static Guid ToGuid(this Java.Util.UUID self)
{
return(Guid.Parse(self.ToString()));
}
public bool ConnectLeGattDevice(Context context, BluetoothDevice device)
{
try
{
BtGattDisconnect();
_gattConnectionState = State.Connecting;
_gattServicesDiscovered = false;
_btGattSppInStream = new MemoryQueueBufferStream(true);
_btGattSppOutStream = new BGattOutputStream(this);
_bluetoothGatt = device.ConnectGatt(context, false, new BGattCallback(this));
if (_bluetoothGatt == null)
{
LogString("*** ConnectGatt failed");
return(false);
}
_btGattConnectEvent.WaitOne(2000, false);
if (_gattConnectionState != State.Connected)
{
LogString("*** GATT connection timeout");
return(false);
}
_btGattDiscoveredEvent.WaitOne(2000, false);
if (!_gattServicesDiscovered)
{
LogString("*** GATT service discovery timeout");
return(false);
}
IList <BluetoothGattService> services = _bluetoothGatt.Services;
if (services == null)
{
LogString("*** No GATT services found");
return(false);
}
#if DEBUG
foreach (BluetoothGattService gattService in services)
{
if (gattService.Uuid == null || gattService.Characteristics == null)
{
continue;
}
Android.Util.Log.Info(Tag, string.Format("GATT service: {0}", gattService.Uuid));
foreach (BluetoothGattCharacteristic gattCharacteristic in gattService.Characteristics)
{
if (gattCharacteristic.Uuid == null)
{
continue;
}
Android.Util.Log.Info(Tag, string.Format("GATT characteristic: {0}", gattCharacteristic.Uuid));
Android.Util.Log.Info(Tag, string.Format("GATT properties: {0}", gattCharacteristic.Properties));
}
}
#endif
_gattCharacteristicSppRead = null;
_gattCharacteristicSppWrite = null;
_gattCharacteristicUuidSppRead = null;
_gattCharacteristicUuidSppWrite = null;
BluetoothGattService gattServiceSpp = _bluetoothGatt.GetService(GattServiceCarlySpp);
BluetoothGattCharacteristic gattCharacteristicSpp = gattServiceSpp?.GetCharacteristic(GattCharacteristicCarlySpp);
if (gattCharacteristicSpp != null)
{
if ((gattCharacteristicSpp.Properties & (GattProperty.Read | GattProperty.Write | GattProperty.Notify)) ==
(GattProperty.Read | GattProperty.Write | GattProperty.Notify))
{
_gattCharacteristicSppRead = gattCharacteristicSpp;
_gattCharacteristicSppWrite = gattCharacteristicSpp;
_gattCharacteristicUuidSppRead = GattCharacteristicCarlySpp;
_gattCharacteristicUuidSppWrite = GattCharacteristicCarlySpp;
#if DEBUG
Android.Util.Log.Info(Tag, "SPP characteristic Carly found");
#endif
}
}
else
{
gattServiceSpp = _bluetoothGatt.GetService(GattServiceWgSoftSpp);
BluetoothGattCharacteristic gattCharacteristicSppRead = gattServiceSpp?.GetCharacteristic(GattCharacteristicWgSoftSppRead);
BluetoothGattCharacteristic gattCharacteristicSppWrite = gattServiceSpp?.GetCharacteristic(GattCharacteristicWgSoftSppWrite);
if (gattCharacteristicSppRead != null && gattCharacteristicSppWrite != null)
{
if (((gattCharacteristicSppRead.Properties & (GattProperty.Read | GattProperty.Notify)) == (GattProperty.Read | GattProperty.Notify)) &&
((gattCharacteristicSppWrite.Properties & (GattProperty.Write)) == (GattProperty.Write)))
{
_gattCharacteristicSppRead = gattCharacteristicSppRead;
_gattCharacteristicSppWrite = gattCharacteristicSppWrite;
_gattCharacteristicUuidSppRead = GattCharacteristicWgSoftSppRead;
_gattCharacteristicUuidSppWrite = GattCharacteristicWgSoftSppWrite;
}
#if DEBUG
Android.Util.Log.Info(Tag, "SPP characteristic WgSoft found");
#endif
}
}
if (_gattCharacteristicSppRead == null || _gattCharacteristicSppWrite == null)
{
LogString("*** No GATT SPP characteristic found");
return(false);
}
if (!_bluetoothGatt.SetCharacteristicNotification(_gattCharacteristicSppRead, true))
{
LogString("*** GATT SPP enable notification failed");
return(false);
}
BluetoothGattDescriptor descriptor = _gattCharacteristicSppRead.GetDescriptor(GattCharacteristicConfig);
if (descriptor == null)
{
LogString("*** GATT SPP config descriptor not found");
return(false);
}
if (BluetoothGattDescriptor.EnableNotificationValue == null)
{
LogString("*** GATT SPP EnableNotificationValue not present");
return(false);
}
_gattWriteStatus = GattStatus.Failure;
descriptor.SetValue(BluetoothGattDescriptor.EnableNotificationValue.ToArray());
if (!_bluetoothGatt.WriteDescriptor(descriptor))
{
LogString("*** GATT SPP write config descriptor failed");
return(false);
}
if (!_btGattWriteEvent.WaitOne(2000))
{
LogString("*** GATT SPP write config descriptor timeout");
return(false);
}
if (_gattWriteStatus != GattStatus.Success)
{
LogString("*** GATT SPP write config descriptor status failure");
return(false);
}
#if false
byte[] sendData = Encoding.UTF8.GetBytes("ATI\r");
_btGattSppOutStream.Write(sendData, 0, sendData.Length);
while (_btGattReceivedEvent.WaitOne(2000, false))
{
#if DEBUG
Android.Util.Log.Info(Tag, "GATT SPP data received");
#endif
}
while (_btGattSppInStream.HasData())
{
int data = _btGattSppInStream.ReadByteAsync();
if (data < 0)
{
break;
}
#if DEBUG
Android.Util.Log.Info(Tag, string.Format("GATT SPP byte: {0:X02}", data));
#endif
}
#endif
return(true);
}
catch (Exception)
{
_gattConnectionState = State.Disconnected;
_gattServicesDiscovered = false;
return(false);
}
}
static Guid AsGUID(Java.Util.UUID uuid)
{
return(Guid.Parse(uuid.ToString()));
}
public static Task SendMessageTaskAsync(this IBandNotificationManager manager, Java.Util.UUID tileId, string title, string body, DateTime date, MessageFlags flags)
{
return(manager.SendMessageTaskAsync(tileId, title, body, new Java.Util.Date(date.Year, date.Month, date.Day), flags));
}
async Task AddTileAsync ()
{
string tileName = "8Ball";
try
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final android.graphics.BitmapFactory.Options options = new android.graphics.BitmapFactory.Options();
BitmapFactory.Options options = new BitmapFactory.Options();
options.InScaled = false;
BandIcon tileIcon = BandIcon.ToBandIcon(BitmapFactory.DecodeResource(Resources, Resource.Raw.tile, options));
//BandIcon badgeIcon = mCheckboxBadging.Checked ? BandIcon.ToBandIcon(BitmapFactory.DecodeResource(Resources, Resource.Raw.badge, options)) : null;
BandIcon badgeIcon = BandIcon.ToBandIcon(BitmapFactory.DecodeResource(Resources, Resource.Raw.badge, options));
uuid = Java.Util.UUID.RandomUUID();
BandTile tile =
new BandTile.Builder(uuid, tileName, tileIcon)
.SetTileSmallIcon(badgeIcon)
// .SetTheme(mCheckboxCustomTheme.Checked ? mThemeView.Theme : null)
.Build();
try
{
var result = await Model.Instance.Client.TileManager.AddTileTaskAsync(this, tile);
if (result)
{
Toast.MakeText(this, "Tile added", ToastLength.Short).Show();
}
else
{
Toast.MakeText(this, "Unable to add tile", ToastLength.Short).Show();
}
}
catch (Exception ex)
{
Util.ShowExceptionAlert(this, "Add tile", ex);
}
// Refresh our tile list and count
await RefreshData();
RefreshControls();
}
catch (Exception e)
{
Util.ShowExceptionAlert(this, "Add tile", e);
}
}
public static Task SendMessageTaskAsync(this IBandNotificationManager manager, Java.Util.UUID tileId, string title, string body, DateTime date, MessageFlags flags)
{
var javaDate = new Java.Util.Date(date.Year, date.Month, date.Day, date.Hour, date.Minute, date.Second);
return(manager.SendMessageTaskAsync(tileId, title, body, javaDate, flags));
}
public static int GetAssignedNumber(Java.Util.UUID uuid)
{
// Keep only the significant bits of the UUID
return((int)((uuid.MostSignificantBits & 0x0000FFFF00000000L) >> 32));
}
public static async Task <bool> SetPagesTaskAsync(this IBandTileManager manager, Java.Util.UUID tileId, params PageData[] pageDatas)
{
return((bool)await manager.SetPagesAsync(tileId, pageDatas).AsTask());
}
void IBluetoothListener.Construct(Guid service)
{
_svcClassOrig = service;
_svcClass = _fcty.ToJavaUuid(service);
}
public static async Task <bool> RemoveTileTaskAsync(this IBandTileManager manager, Java.Util.UUID tileId)
{
return((bool)await manager.RemoveTileAsync(tileId).AsTask());
}
public static Task SendMessageTaskAsync(this IBandNotificationManager manager, Java.Util.UUID tileId, string title, string body, DateTime date, MessageFlags flags)
{
var javaDate = new Java.Util.Date((long)(date.ToUniversalTime() - JavaEpoch).TotalMilliseconds);
return(manager.SendMessageTaskAsync(tileId, title, body, javaDate, flags));
}