574 questions
0
votes
1
answer
103
views
BLE UUID keeps showing up, what is it?
Im running a code connected to a Raspberry PI and a BLE antenna to detect BLE Data. I get many items with UUID 4C0012020000, 4C0012020001, 4C0012020002, and 4C0012020003. None of them have names or ...
0
votes
2
answers
107
views
Beacon Scope stops sending out BLE beacons
I am trying to implement presence detection at room level. I have an ESP32-WROOM-32 with Espresense running for now, which I have done some testing with. I intend to use Beacon Scope on my Android 15 ...
- 1
0
votes
0
answers
210
views
AltBeacon detection in different Android app's states
I have the following uses-case.
I have an Android application which may be in different states:
Foreground (user is using the app);
Background (user is not using the app but it's app's task exists ...
0
votes
0
answers
579
views
Android stops sending out BLE beacons
I am trying to implement room-level presence detection. I have esp32 devices in each room, all reporting to mqtt, and it works beautifully with Tile transmitters. I am also trying to detect my ...
- 1
0
votes
0
answers
191
views
Android Beacon Scanner (AltBeacon) has high latency of detecting beacons on Android 11 when internet is Off
Since it's known that scanning beacons shouldn't require an internet connection, we were expecting Android Beacon Library by AltBeacon to detect beacons the same when the device is with or without an ...
- 1
0
votes
1
answer
213
views
I keep getting 'Background Concurrent Copy GC Off' in Android device logs
I am currently using https://github.com/AltBeacon/android-beacon-library to detect iBeacon in app in service.
In my application, scan restart is performed every 6 seconds, and the monitoring cycle is ...
- 23
1
vote
1
answer
447
views
Detecting of iBeacon stops in a while for OnePlus Android device
When application is initially launched, the beacons detecting works correctly. But after some time (didn't find exact pattern but we met it after 8-16 hours) iBeacons detecting stops.
We detected the ...
0
votes
1
answer
685
views
AltBeacon library inconsistent when detecting a beacon after app has been stopped and resumed
I have noticed that the AltBeacon library takes a while (10-15 seconds) to detect the beacon in case the app is paused and resumed multiple times.
I've recreated the error by writing a sample app in ...
- 6,522
1
vote
1
answer
370
views
Does Android-Beacon-Library support extended advertisement packets from Bluetooth5?
I'm trying to implement an app using advertising BLE-Beacons in a similar way the existing automated contact-tracing apps do. But I need more than the normal 25 free bytes in the beacon layout.
Since ...
- 13
0
votes
1
answer
446
views
How to enable altbeacon android library forground service only if entered beacon region?
I'm using altbeacon android library for beacon detection in my app. It runs foreground services as a feature by default, but I only want to run foreground services when I enter a beacon region or when ...
- 120
1
vote
1
answer
2k
views
Getting a single message from a BLE Beacon (ANDROID)
I have a BLE Beacon and instead of broadcasting constantly it just broadcasts a message when you push a button. It's a commissioning message. I'm looking all over the place but can't find a library ...
- 528
0
votes
1
answer
164
views
How can I check that the received beacon is a beacon that last 2 minutes?
I have to make an android application with the purpose of a user check-in on a bus. The app have to research the beacons from a bus and at the same time has to send a beacon. How can I check that the ...
- 1
0
votes
1
answer
56
views
Can altbeacon be used for media streaming?
I am confused here in Google Nearby connections API(only Android) and ALTBeacon(Android+IOS), i want to use ALTBeacon but i want to know whether this library is able to do media streaming just like ...
- 165
0
votes
1
answer
636
views
Monitoring beacons that are advertising from my application through AltBeacon library
I'm working on a solution that advertises and scans in the iBeacon format using the AltBeacon library. The concern that i have is that the library scans all the devices which is fine but after parsing ...
- 780
0
votes
1
answer
887
views
Android Beacon Library - Long Search Time
Update: I would still want advice as the start up time is still slow but reduced to about 10 seconds compared to 2 minutes.
As far as I understand, the default beacon search time is around once every ...
- 46
1
vote
1
answer
3k
views
Reading actual txPower of Android mobile
It is possible to find actual ble
txPower
of android device. So that, I can use it below Beacon builder object instead of -59 as txPower.
Beacon beacon = new Beacon.Builder()
.setId1("2f234454-...
- 985
1
vote
1
answer
583
views
AltBeacon Not Finding Beacons
I am trying to implement the AltBeacon library to range beacons similarly to the way iOS does. However I am having trouble getting my app to recognize any beacons.
Here is my code:
onCreate:
...
- 23
0
votes
1
answer
144
views
Impoving ContactTracing Api efficiency with bluetooth signal strength
As per current specs only duration in 5 min increments is tracked. Suggested interval is 200-300ms it seems. In Singapore signal strength was accounted for but this is variable per device. What if we ...
- 1,023
1
vote
1
answer
395
views
Android OnePlus6 can't detect iBeacon using AltBeacon library
I'm using the AltBeacon library for detecting iBeacons in my Android app. The code I have works on the following devices:
Xiaomi MI9 (Android 10.0)
Motorola Moto G4 (Android 6.0.1)
Huawei P Smart (...
- 2,805
0
votes
1
answer
92
views
When setForegroundBetweenScanPeriod is set for a long time and the beacon is turned off / on, a large amount of Range events are fired
The activity is used by the foreground service.
BeaconManager is used as a foreground in that service.
Library version is 2.16.2
The settings are as follows
g_beaconManager = BeaconManager....
0
votes
1
answer
232
views
altbeacon RSSI on different devices
I've done some experiments on different devices and I made each of the scanner and receiver at the same time and saved RSSI get from other nearby devices but the result was strange. first, there was a ...
- 3
2
votes
1
answer
151
views
Write the BLE scan data into internal storage
I'm building a simple BLE scanner to scan for particular beacon. Currently, I was able to scan the beacon to get the Major, Minor and Rssi value in the logcat continuously until I hit the stop button. ...
- 147
0
votes
1
answer
28
views
Max regions for status preservation
I wonder why there is a limitation of 50 regions for status preservation?
private static final int MAX_REGIONS_FOR_STATUS_PRESERVATION = 50;
And what is the impact of monitoring many regions (...
- 341
1
vote
2
answers
363
views
Failing to monitor beacon regions with "altbeacon" libary android
I am run callbacks for changes in the state of my region with the altbeacon libary. Sample code from here ("Starting an App in the Background" section). But after trying everything I can come up with,...
- 384
0
votes
1
answer
387
views
Is it possible to connect with estimote beacon without using location permission
I have an estimote beacon, i want to display a notification, when user comes in beacon range.
I was checking estimote beacon's android integration document, and found out that it requires location ...
- 1,274