All Questions
Tagged with bluetooth-lowenergy android-bluetooth
748
questions
0
votes
0
answers
19
views
Android Kotlin ScanFilter Builder class not functioning
As stated above, I'm trying to use ScanFilter.Builder() to construct a filter for my bluetooth application, and it gives an unresolved reference error.
I have ScanFilter properly imported, and the ...
- 3
0
votes
1
answer
47
views
How to use BLE specification XML service files?
The link BLE device information XML is a BLE service XML file copied from the original GATT specification files. Can I and how can I use this XML file for my project on Android Studio in Java? I am ...
- 13
0
votes
1
answer
54
views
How to read Bluetooth Low Energy GAP characteristic values as a string?
Hello I am new to developing an app and even newer to the concept of BLE. I am developing an application on android using Java that is capable of scanning BLE devices nearby. The main purpose is to ...
- 13
1
vote
1
answer
44
views
Android BLE establishing connection
I am developing an Android BLE application for connecting with a BLE peripheral device. The BLE peripheral device has strong energy constraints and therefore the connection interval should be kept ...
0
votes
0
answers
20
views
I want make Bluetooth calling feature in Android App
If Phone A Having App A get a phone call it should be shown in Phone B having App B. Considering Both Phones are paired. How do I achieve this. I tried something. Is there any open source project for ...
0
votes
0
answers
64
views
Getting 201: ERROR_GATT_WRITE_REQUEST_BUSY, when I tried to write to the same characteristic for the second time In flutter
I am working on a flutter application which communicates with the BLE devices, for BLE connection i am using the flutter_blue_plus: ^1.32.7 library.
I am able to List the Bluetooth devices and connect ...
0
votes
1
answer
46
views
Finding BLE Services
I'm trying to connect a smartphone running Android 13 to a server using BLE. Android 11 connects and finds services, but Android 13 can't find them. I have tried everything with permissions
I'd like ...
0
votes
1
answer
53
views
Andoird [Bluetooth LE] create Characteristic with predefine value before advertising Service in a peripheral device(Android app)
My app act as a peripheral device advertising a Service with Characteristic with predefine value and the central device read it and process the advertising data
but I've been struggling with setting ...
1
vote
1
answer
45
views
Android: How to stop intent-based Bluetooth scanning?
I've been struggling with this issue for a long time and have searched through many articles, but still haven't found a solution. Could you please provide me with some direction?
I'm using intent-...
- 11
0
votes
0
answers
410
views
How to pass a Flutter blue plus BluetoothDevice to an isolate (BLE)?
I currently having an issue with passing a BluetoothDevice to an isolate in flutter.
Note: I am currently using the flutter_blue_plus package to handle BLE operations within the application. Flutter ...
- 41
2
votes
3
answers
329
views
How to get battery level of a game controller from an Android application
I have developed an Android application that connects via Bluetooth to a gamepad controller and shows button presses, joy stick movements, etc made on the handheld controller on the Android device.
...
- 2,014
0
votes
2
answers
42
views
Detecting Bluetooth peripheral shutdown from Android App
I have a Bluetooth Low Energy peripheral device which I am connecting to from an Android app which I have developed. I can use onConnectionStateChange to detect when the devices move out of range and ...
- 111
0
votes
0
answers
79
views
Issus with permission.BLUETOOTH_SCAN permission for android
I'm ussing react-native-ble-manager, when BleManager.scan() function is called, i get "Need abdroid.permission.BLUETOOTH_SCAN permission for android.connect,.AttributionSource@bb97c7c7:...
1
vote
1
answer
100
views
Android BLE: Difference between ScanResult.getTxPower() and ScanRecord.getTxPowerLevel()?
I'm a little bit confused about 'transmission power' with regard to Bluetooth LE and especially when using the android.bluetooth.le package.
There are two different methods to get data about ...
- 405
0
votes
1
answer
24
views
HCI_LE_Set_Host_Channel_Classification, where and how to find the corresponding API to use in Mobile APP
HCI_LE_Set_Host_Channel_Classification can be used to set channel map from a BLE Master to a BLE Peripheral.
import android.bluetooth.le.*, this is the library I used to make the mobile APP
Now our ...
