@dariuszseweryn How we can get advertising data? It's required to identify the manufacturer of the device.
https://image.slidesharecdn.com/ibeaconworkshop-april2014-140430015502-phpapp01/95/build-your-own-ibeacon-12-638.jpg
https://image.slidesharecdn.com/ibeaconworkshop-april2014-140430015502-phpapp01/95/build-your-own-ibeacon-12-638.jpg
Hi everyone, I need your help regarding disconnection error. To resume, i have a button to connect device and another one to disconnect it. I use the function manager.cancelDeviceConnection(device) and I have this error "Unable to disconnect from device [BleError: Device B5:36:C0:A4:4E:59 is not connected]". But it seems device is well connected if I check in the app BLE scanner. I don't know what is the pb. Need help ... this is my code export const disconnectFromDevice = async(newDevice) => {
device = newDevice.item.id
console.log('device disconnect',device)
device = newDevice.item.id
console.log('device disconnect',device)
manager.cancelDeviceConnection(device)
.then(() => {
setConnectedDeviceStatus(false)
})
.catch(error => {
console.log('Unable to disconnect from device', error);
})
}
bellow my function connectToDevice
//connect to select device
const connectToDevice = async(device) => {
console.log('ok process ongoing to connectToDevice');
console.log('device nme',device.name);
console.log('deviceId',device.id)
setDeviceId(device.id);
//check connection state of a device
/*if(manager.isDeviceConnected(deviceId) === true){
console.log("cancelling");
manager.cancelDeviceConnection(deviceId); // deconnexion
}*/
//setConnectedDeviceList([]);
//connexion au device
device.connect()
.then((connectedDevice) => {
console.log('device connected',connectedDevice)
//Add device to connectedDeviceList
// setConnectedDeviceList([...connectedDeviceList, device])
//processing double
var newConnectedDevice = true
//console.log('lenght device', deviceList.length)
for( let connectDevice of connectedDeviceList ) {
if( connectDevice.id === connectedDevice.id ) {
//console.log('connect device id',connectDevice.id)
//console.log('connected device id',connectedDevice.id)
//console.log("ok same devices")
newConnectedDevice = false
break;
} else {
console.log('break ?')
}
}
if( newConnectedDevice === true ) {
//console.log('device news')
setConnectedDeviceList([...connectedDeviceList, device])
}
setConnectedDeviceName(device.name);
setConnectedDeviceStatus(true);
setConnectedDevice(device);
//check deconnection
//listenerDeviceDisconnect(deviceId);
//store in AsyncStorage deviceId
//storeDeviceConnected(device.id)
//console.log('connectedDevice',connectedDevice)
console.log('Discovering services and characteristics');
device.discoverAllServicesAndCharacteristics()
.then(device=>{ console.log('device discover',device.name)})
.catch(c=>{console.log('error discover',c)})
})
.then((device) => {
console.log('Setting notifications');
//const services = device.services();
})
.catch(error => {
if(error) {
console.log('error connectToDevice',error)
}
})
}
Hi !
Recently I have some iOS phone that failed to keep the connection active. I can connect to my device, but after some delay (it looks like every time, 30s after connecting), it gets automatically disconnected.
When I check with onDeviceDisconnected I have no error.
Any idea why ?
Hi guys, I am using React-Native-Ble-Plx lib. I am always getting this error [BleError: Operation was cancelled] on manager.connectToDevice(device id) in iOS. it is working fine for Android. But somehow it is not working on iOS now. It was working on both platforms earlier.
Is anybody have an idea to solve this issue?
Is anybody have an idea to solve this issue?
Hello everyone, finally got my hands on a Samsung Galaxy to troubleshoot. All our customers with various models of this phone say they are unable to connect to our device. I'm not seeing any errors in the logs but it is not discovering my device. Does anyone know of why a Galaxy might be different from other Android devices? Thanks so much!
Interesting, getting inconsistent results. Now I can discover devices but when I connect it immediately disconnections with
2021-02-18 22:45:41.863 18865-20061/com.datagarden.plantwaveandroid W/ReactNativeJS: Possible Unhandled Promise Rejection (id: 0):
BleError: Characteristic 6e400002-b5a3-f393-e0a9-e50e24dcca9e write failed for device FC:F5:C4:08:98:6A and service 6e400001-b5a3-f393-e0a9-e50e24dcca9
unless I manually send a message to the peripheral via the app. Again this is the exact setup that works on Pixel and other Android devices
It seems like RxBLE doesn't get consistent access to the native Bluetooth functions
Ah got this right before the above error now
2021-02-18 23:17:19.443 28788-30924/com.datagarden.plantwaveandroid W/RxBle#ConnectionOperationQueue: Queue's awaitRelease() has been interrupted abruptly while it wasn't released by the release() method.
java.lang.InterruptedException
at java.lang.Object.wait(Native Method)
at java.lang.Object.wait(Object.java:442)
at java.lang.Object.wait(Object.java:568)
at com.polidea.rxandroidble.internal.serialization.QueueSemaphore.awaitRelease(QueueSemaphore.java:15)
at com.polidea.rxandroidble.internal.serialization.ConnectionOperationQueueImpl$1.run(ConnectionOperationQueueImpl.java:73)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:462)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at java.lang.Thread.run(Thread.java:919)
2021-02-18 23:17:19.597 28788-28788/com.datagarden.plantwaveandroid E/ViewRootImpl: sendUserActionEvent() mView returned.
2021-02-17 10:13:14.105 -0500 EST error RN Method.java:-2 java.lang.reflect.Method.invoke 20681_46fa990f-2e9b-5bc0-9823-5cbbdb28e927 4.15.15 1024605174 en 10 245213 106 Error while reading characteristic (service: 0000181c-0000-1000-8000-00805f9b34fb, characteristic: 00002B00-0000-1000-8000-00805f9b34fb): Error BleError: Characteristic 00002b00-0000-1000-8000-00805f9b34fb read failed for device 08:7C:BE:7F:1A:1F and service 0000181c-0000-1000-8000-00805f9b34fb
2021-02-17 10:13:14.111 -0500 EST error RN Method.java:-2 java.lang.reflect.Method.invoke 20681_46fa990f-2e9b-5bc0-9823-5cbbdb28e927 4.15.15 1024605174 en 10 245213 107 BleError: Characteristic 00002b00-0000-1000-8000-00805f9b34fb read failed for device 08:7C:BE:7F:1A:1F and service 0000181c-0000-1000-8000-00805f9b34fb
2021-02-17 10:13:14.118 -0500 EST error RN Method.java:-2 java.lang.reflect.Method.invoke 20681_46fa990f-2e9b-5bc0-9823-5cbbdb28e927 4.15.15 1024605174 en 10 245213 108 Error while reading characteristic (service: 0000181c-0000-1000-8000-00805f9b34fb, characteristic: 00002B03-0000-1000-8000-00805f9b34fb): Error BleError: Device 08:7C:BE:7F:1A:1F is not connected
2021-02-17 10:13:14.119 -0500 EST warning RN Method.java:-2 java.lang.reflect.Method.invoke 20681_46fa990f-2e9b-5bc0-9823-5cbbdb28e927 4.15.15 1024605174 en 10 245213 109 connection error: Device 08:7C:BE:7F:1A:1F is not connected, retry: 2
2021-02-17 10:13:14.131 -0500 EST warning RN Method.java:-2 java.lang.reflect.Method.invoke 20681_46fa990f-2e9b-5bc0-9823-5cbbdb28e927 4.15.15 1024605174 en 10 245213 110 BleError: Device 08:7C:BE:7F:1A:1F is not connected
2021-02-17 10:13:16.405 -0500 EST error RN Method.java:-2 java.lang.reflect.Method.invoke 20681_46fa990f-2e9b-5bc0-9823-5cbbdb28e927 4.15.15 1024605174 en 10 245213 122 Error while reading characteristic (service: 0000181c-0000-1000-8000-00805f9b34fb, characteristic: 00002B00-0000-1000-8000-00805f9b34fb): Error BleError: Device 08:7C:BE:7F:1A:1F was disconnected
2021-02-17 10:13:19.725 -0500 EST error RN Method.java:-2 java.lang.reflect.Method.invoke 20681_46fa990f-2e9b-5bc0-9823-5cbbdb28e927 4.15.15 1024605174 en 10 245213 133 Error while reading characteristic (service: 0000181c-0000-1000-8000-00805f9b34fb, characteristic: 00002B00-0000-1000-8000-00805f9b34fb): Error BleError: Characteristic 00002b00-0000-1000-8000-00805f9b34fb read failed for device 08:7C:BE:7F:1A:1F and service 0000181c-0000-1000-8000-00805f9b34fb
2021-02-17 10:13:19.726 -0500 EST error RN Method.java:-2 java.lang.reflect.Method.invoke 20681_46fa990f-2e9b-5bc0-9823-5cbbdb28e927 4.15.15 1024605174 en 10 245213 134 BleError: Characteristic 00002b00-0000-1000-8000-00805f9b34fb read failed for device 08:7C:BE:7F:1A:1F and service 0000181c-0000-1000-8000-00805f9b34fb
2021-02-17 10:13:19.733 -0500 EST error RN Method.java:-2 java.lang.reflect.Method.invoke 20681_46fa990f-2e9b-5bc0-9823-5cbbdb28e927 4.15.15 1024605174 en 10 245213 135 Error while reading characteristic (service: 0000181c-0000-1000-8000-00805f9b34fb, characteristic: 00002B03-0000-1000-8000-00805f9b34fb): Error BleError: Device 08:7C:BE:7F:1A:1F is not connected
2021-02-17 10:13:19.734 -0500 EST warning RN Method.java:-2 java.lang.reflect.Method.invoke 20681_46fa990f-2e9b-5bc0-9823-5cbbdb28e927 4.15.15 1024605174 en 10 245213 136 connection error: Device 08:7C:BE:7F:1A:1F is not connected, retry: 2
2021-02-17 10:13:19.746 -0500 EST warning RN Method.java:-2 java.lang.reflect.Method.invoke 20681_46fa990f-2e9b-5bc0-9823-5cbbdb28e927 4.15.15 1024605174 en 10 245213 137 BleError: Device 08:7C:BE:7F:1A:1F is not connected
2021-02-17 10:13:25.184 -0500 EST error RN Method.java:-2 java.lang.reflect.Method.invoke 20681_46fa990f-2e9b-5bc0-9823-5cbbdb28e927 4.15.15 1024605174 en 10 245213 159 Error while reading characteristic (service: 0000181c-0000-1000-8000-00805f9b34fb, characteristic: 00002B00-0000-1000-8000-00805f9b34fb): Error BleError: Characteristic 00002b00-0000-1000-8000-00805f9b34fb read failed for device 08:7C:BE:7F:1A:1F and service 0000181c-0000-1000-8000-00805f9b34fb
2021-02-17 10:13
4 replies
Hi everyone, I was trying to read the manufacturerData from my BLE device and it comes encoded. I looked up the documentation and see that the value is base64 encoded.
But when I decode it back, I get an entirely different string.
https://polidea.github.io/react-native-ble-plx/#devicemanufacturerdata
But when I decode it back, I get an entirely different string.
https://polidea.github.io/react-native-ble-plx/#devicemanufacturerdata
10 replies
Is there a specific method to parse it?
Hi everyone. We are developing a Bluetooth thermometer application. react-native-ble-plx library scannes every 10 seconds and connects to the thermometer with a 128 bit service uuid. As long as the thermometer is not disconnected, IOS continues to receive data in the background. If the thermometer connection is disconnected while the ios application is in the background, the thermometer can be connected again within 4 minutes. After 4 minutes, there is no connection again. Can you help with this situation?
4 replies
Hello everyone. I'm trying to enable notifications for one of my characteristic. I tried to write the CCCD but I could see from much older posts that the library handled the activation of notifications/indications for us through the "monitorCharacteristicForService" method. After trying it out, my CCCD value was set to 2 ([1, 0]). I would like to enable notifications rather than indications. If indication was chosen automatically, does that mean that the notifications "mode" is not available for this characteristic ? If not, how can I switch from indication to notification without writing to the CCCD (this method does not work). Thank you and have a nice day :)
1 reply
Hi, I have an issue when I want to update the firmware from my phone to a card by BLE .I use function writeCharacteristicWithResponseForDevice() to send part of the binary file . At the beginning, response is ok but after 10 or 15mn, i have the error BleError : operation was cancelled. and then device is disconnected ! i don't understand what happening ?
1 reply
Hi All,
I am writing an application where I am firing notifications on a characteristic at every 25ms. I am successfully reading them in my app for a while when suddenly I am getting the following error:
Warning: Please report: Excessive number of pending callbacks: 501. Some pending callbacks that might have leaked by never being called from native code: {"3067":{"module":"BleClientManager","method":"monitorCharacteristicForDevice"},"20750":{"module":"BleClientManager","method":"readCharacteristic"},"20767":{},"20793":{"module":"BleClientManager","method":"readCharacteristic"},"20799":{"module":"BleClientManager","method":"readCharacteristic"},"20826":{"module":"BleClientManager","method":"readCharacteristic"},"20848":{"module":"BleClientManager","method":"readCharacteristic"},"20859":{},"20875":{"module":"BleClientManager","method":"readCharacteristic"},"....... and this goes on.I guess I am firing up events faster than react is capable of handling them.
Do you guys see any errors in my code? Or is it fine and my options are to switch to native or decrease the notification frequency?
device.monitorCharacteristicForService(service, characteristic, (error, characteristic) => {
if (error) {
console.log(`registerNotifyReadCallback; error ${error}`);
return;
}
const value = characteristic?.read().then(data => {
console.log("value")
const decodedResponse = base64.decode(data.value);
console.log(decodedResponse)
callback(decodedResponse);
});
});callback in this case is just simply a set method of a hook state
(const [remoteVal, setRemoteVal] = useState<string>("");)
5 replies
@shakogele can i see the repo of this?
BleClientManager
@ReactMethod
public void pairedDevices(final Promise promise) {
bleAdapter.getBondedDevices(
new OnSuccessCallback<Device[]>() {
@Override
public void onSuccess(Device[] data) {
WritableArray jsDevices = Arguments.createArray();
for (Device device : data) {
jsDevices.pushMap(deviceConverter.toJSObject(device));
}
promise.resolve(jsDevices);
}
}, new OnErrorCallback() {
@Override
public void onError(BleError error) {
promise.reject(null, errorConverter.toJs(error));
}
});
}BleManager.js
/**
* Returns a list of paired devices.
* @returns {Promise < Array < Device >>} List of paired devices.
*/
async pairedDevices(): Promise<Array<Device>> {
const nativeDevices = await this._callPromise(BleModule.pairedDevices())
return nativeDevices.map((nativeDevice: NativeDevice) => {
return new Device(nativeDevice, this)
})
}BleModule
/**
* Returns a list of paired peripherals by their identifiers.
* @returns {Promise<Array<NativeDevice>>} List of paired devices.
* @private
*/
pairedDevices(): Promise<Array<NativeDevice>>;
Any advices how I can doing that?
I am getting errors on my react-native project for Android (for iOS all OK).
The error is:
The error is:
Could not determine artifacts for com.github.Polidea:MultiPlatformBleAdapter:b0272c0fae040cc90f790481c54e8f2d45304339: Skipped due to earlier error (2 m 58 s 299 ms)
This is because the build.gradle in react-native-ble-plx module contains:
dependencies {
implementation "com.facebook.react:react-native:+"
implementation 'com.github.Polidea:MultiPlatformBleAdapter:b0272c0fae040cc90f790481c54e8f2d45304339'
}
Can anyone help me on this?
Hello,
Does react-native-ble-plx support bluetooth 5.0 extended advertising ?
I'm trying to make an application that scans for a beacon that's sending both legacy and extended ble frames, but as of now im only getting the legacy one. I found an example of simillar application written in java that's uising a BluetoothDevice.PHY_LE_CODED statement in order to read the extended frame, but i can't find any mention of managing PHY layers in this library.
Any help will be much appreciated.
Does react-native-ble-plx support bluetooth 5.0 extended advertising ?
I'm trying to make an application that scans for a beacon that's sending both legacy and extended ble frames, but as of now im only getting the legacy one. I found an example of simillar application written in java that's uising a BluetoothDevice.PHY_LE_CODED statement in order to read the extended frame, but i can't find any mention of managing PHY layers in this library.
Any help will be much appreciated.
Hello , I'm trying to disconnect a bluetooth device which as connected in a proper way and even send data to the device with no issues. but I'm not able to disconnect from the device in iOS .. In fact in Android visually it seems like the device is not connected but it does work.. but the disconnect method is not working at all and I'm constantly getting this error
3 replies
I face this issue when trying to monitor characterlistic: [BleError: Characteristic 000036f5-0000-1000-8000-00805f9b34fb notify change failed for device 2D6F5FBC-ACE7-7AB1-48C5-0D78465DA777 and service 0000fee7-0000-1000-8000-00805f9b34fb] null
please help
