flutter blue example can't connect to gatt server

user_8725128 0
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I am trying to create an application (on flutter/android studio) that can connect to a Ble server and read his characteristics. I used the flutter_blue_example : https://github.com/pauldemarco/flutter_blue/tree/master/example .

The scan goes fine, but when I try to connect to the BLE device it does'nt work and I get the following log on android studio : 

D/BluetoothGatt( 8205): onClientConnectionState() - status=133 clientIf=8 
device=00:1A:7D:DA:71:13
D/FlutterBluePlugin( 8205): onConnectionStateChange: 
D/BluetoothGatt( 8205): close()
D/BluetoothGatt( 8205): unregisterApp() - mClientIf=8

I used the following example to create my Ble server : https://github.com/Jumperr-labs/python-gatt-server

The problem could come from the server but as it works good with an app like Ble scanner available on the playstore, I think the problem is more likely to come from the app based on flutter.

bluetooth-lowenergy flutter android
1 Answers

I finally found that I had to pair with the device in the bluetooth parameters before launching my app. BTW there are still issues with the refresh of the discovered services, but I am working on it.

user_87251280
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