Android Question BLE app update issue

[V. Solakis]

Hello!

After a few years away from B4A, I'm stuck on a problem while updating an old project.

The project is a simple app that makes use of BLE for connecting getting some data from a sensor module.

The old was developed using the following:

Old App version:

• developed with B4A version: 11.2.0 (Core)
• file name: 4_Datalogger_J4
• B4A Bridge version: 2.67
• Libraries versions:
• BLE2: 1.39
• B4XPAges: 1.10
• Runtime permissions: 1.12
• Runs fine on Samsung Galaxy J4+ (SM-J4115PN) with Android version 9 / One UI 1.0

To update the app, I have installed the latest version of the IDE on my PC and also updated
the app using code from the latest BLE example by Erel.

The problem I encounter is:
after installing the app on the phone when I click the "Find" button to scan for devices nothing is happening.
It is like the button does not have any code/function associated with it.

This is the info of the updated app:

New App version:

• developed with B4A version: 13.10 (Core)
• file name: 5_Datalogger_J4
• B4A Bridge version: 2.67
• Libraries versions:
• BLE2: 1.41
• B4XPAges: 1.12
• Runtime permissions: 1.20
• Does not scan for devices, Samsung Galaxy A05s (SM-A057G/DSN) with Android version 14 / One UI 6.1

I attach both app projects.

Any help would be much appreciated.

Thank you in advance

Vas

 

[Erel]

Does the updated example work on your device?

[B4X] BLE 2 - Bluetooth Low Energy

This library replaces the previous BLE library. It is simpler to use and it is more powerful. Its API is based on B4i iBLE library which makes it easy to reuse B4i code. See the iBLE tutorial: https://www.b4x.com/android/forum/threads/ble-bluetooth-low-energy-library.46099/#content Tips &...

www.b4x.com

 

[V. Solakis]

Hi Erel,

Thank you for your reply.

The example seems to scan and detect properly ble devices.

I attach a screenshot of the Logs when using the example.

Any suggestions?

Vas

 

[Erel]

The logs look fine. Assuming that the example works and your app doesn't, then you need to carefully compare your implementation to the example.