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OverviewFelgo 3 Support (Qt 5) › BLE scan devices cached on Android

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    My problem is not a bug.

    My app can connect to BLE devices. Those devices have a changing advertising name.

    When I scan, the name is cached, if a change occurs, it’s not visible in the app.


    The quick fix that I found is disabling/enabling the Bluetooth on the smartphone. This operation clears the cache.

    But it’s not really user friendly, if the smartphone is connected to other Bluetooth devices like headphones, it will cut the connection.


    Do you have a solution ? The problem does not appear on iOS.






    Felgo Team

    Hi Allen,

    this originates from the Qt components and Android itself. You can aslo find a note about this in the Qt documentation: https://doc.qt.io/qt-5/qlowenergycontroller.html#discoverServices

    I would suggest to ask that in the Qt forums directly. If this is serious issue for you, we can also take a closer look and potentially patch this for you as part of our technical services offering. Let us know at support@felgo.com if that would be interesting for you.


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