All Questions
Tagged with android-bluetooth rxandroidble
27
questions
3
votes
2
answers
7k
views
How to read raw data from scanned BLE device?
I am using RxAndroidBle Library for my BLE application.
Like nrfConnect application I want to read RAW data from BLE device.
How to read RAW data from device?
- 781
1
vote
1
answer
545
views
RxAndroidBLE already connected and can't send data to IoT device
I have an IoT device with BLE on it and also I have a smartphone which support BLE protocol.
I am using RxAndroidBle: com.polidea.rxandroidble2:rxandroidble:1.11.1
The problem is to communicate each ...
- 86
0
votes
1
answer
130
views
restart reading data in onErrorResumeNext when BleAlreadyConnectedException is encountered
I am using RXAndroidBle library to connect and read data from the BLE device. I have set the establishConnection function to true i.e. auto-connect to true. when the BleAlreadyConnectedException is ...
- 8,355
0
votes
0
answers
87
views
RxAndroidBle multiple characteristics notifications
I know that there are numerous questions about this problem already, but personally, as a newbie to RxBluetooth libraries, none of them gave me a straight answer. I need to connect to a Bluetooth unit ...
- 3
-2
votes
1
answer
385
views
Subscribing to notification changes with RxBLe Android
I'm trying to subscribe to notification changes from a BLE device that I built, and print the value of the notification. I know the characteristic UUID that I want to read the notifications from:
...
- 5,635
0
votes
0
answers
179
views
Background Service Android Using RxAndroidBle
When I connect, write, and notify using backgorund service, connection running well but when I closed the application connection between service and BLE device lost. Can I still connect to device ...
1
vote
0
answers
615
views
RXBle Start scan does not work on Android 10 (Huawei P30)
I have problem to start BLE scan on Huawei P30 running on Android 10.
It works on Huawei P20 running Android 9 and many other devices, but Android 10 is weird.
In application I have Start Scan button, ...
- 61
3
votes
1
answer
2k
views
com.polidea.rxandroidble2.exceptions.BleScanException: Scan failed because application registration failed (code 6) Samsung Galaxy 8
Currently i am working in a application where it involves ble device. I created a service and grnated all permission that a bluetooth application requires and bluetooth is enabled. When the service is ...
- 616
0
votes
1
answer
226
views
Why setMaxBatchSize() is not useful for larger MTU in RxAndroidBle?
I want to transmit data to device through BLE. The num of bytes is 64 per transmission.
Now the problem is that, When I modify the MTU through setMaxBatchSize(ex 64), mRxBleConnection.getMtu() ...
- 139
0
votes
1
answer
1k
views
RxAndroidBle - Write characteristic and receive notifications - No notifications received
I'm using RxAndroidBle library in my app to do some write/read characteristics.
Everything works fine, except one use-case I can't get around.
The problem: I need to write a timestamp to a specific ...
- 113
1
vote
1
answer
350
views
RXAndroid better way to write nested subscriptions
I'm working with an RXBle library for Android. In order to read from a BLE peripheral (BLE device) I end up setting up a number of subscribes, all within one another, like this:
Disposable ...
- 753
1
vote
0
answers
483
views
Android BLE Notification Device WakeUp
I'm using rxAndroidBLE to develop a companion app for a BLE peripheral that triggers alarms on the device.
The problem I'm having is that the notifications for the alarm are not properly triggering ...
- 8,889
1
vote
1
answer
2k
views
Finishing Bluetooth communication from Android with BLE device
What is the proper way to finish BLE communication from an Android device with peripheral measuring device?
Current state:
if I'm satisfied with received; write stop measuring on ...
0
votes
1
answer
394
views
Need to write multiple commands on device 1 by 1
Its taking too long to write a single command on characteristics. I am using below code for a single command and a loop on it.
getConnObservable()
.first()
.flatMap(rxBleConnection -> ...
- 558
2
votes
1
answer
2k
views
RxAndroidBle : Periodic advertising scan
I need to scan ble advertising permanently while i am not connected to my device to find it and know when connect to it (specific product). This scan is realized in foreground service to match 8.0 ...
- 73