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How to send data (String) from Android to ESP32 via Bluetooth
Thank you very much for sharing your work. I am using your app as a start point to create my own. Instead of showing a pop-up (inputMessage() method), I start a new Activity since I need to add some more options (a couple of buttons, a graph...). However, I am not capable of using the btSendBytes() method from the new Activity. Could you guide me on how to do this? How can I use the BT related functions from my new Activity?
I would appreciate very much your help. Thanks!
It's not working. I have android studio 4.1 and both on my Motorola G5 Plus and on the AVD Nexus 5 API 27 shows nothing but a blank screen. The first time it asks for GPS permission.
ESP32 can't send data to Android, I fixed with a PR.
#3
In case that doesn't get merged soon an folks need to have this repo with ESP32 sending data to Android you can use our fork https://github.com/theselfdrivingboat-com/bluetooth_android_esp32_example
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