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                                            Karthik M

Filter devices in flutter_blue

It's simple as that. First scan the devices and add it in a List. Now create another list on filtering the existing list. Once you have list of filtered device...

How can i store Bluetooth device and connect after ?

I think you can have only the records of previously connected device only as name(String). And if you relaunch the app. The bluetooth screen will be initialized and also the...

How can we send data to bluetooth device and wait till response?

await characteristic.write(value).then(() async{ await charcteristic.read(); })

Mobile Internet doesn't work, after closing the IOT device wifi connection.

You need to set forceWifiUsage(false) after communicating with IOT device.