On the Android device, the plug-in "bluetooth-demo" of Scott Harrison in the original version is installed (the device tried different-a tablet GS700 with android 4.4.2, a smartphone Sony Xperia M5 with android 6.0 and Samsung Galaxy J1 MiniPrime with android 6.1).
HC-06 is connected to Arduino UNO and a simple sketch is filled:
We need to get a string from Arduino to Android.
Please tell me where there may be a mistake?
Additional information to help:
With the help of this plug-in installed on the Android device, we can send messages to Arduino with the Bluetooth module HC-06. It works well.
With the help of the bluetooth terminal installed on android, it is possible to both receive and send messages to Arduino.