Android-nRF-UART
nRF UART app can be used to connect to Bluetooth® Smart devices running a custom Nordic Semiconductor UART service. When connected, the app can send and receive ASCII and UTF-8 text strings.
This app works with the ble_app_uart project in the nRF51 SDK and the Bluetooth Smart SDK for Arduino.
This app created as a demonstration for handling 128 bit proprietary UUID service and characteristics.
The current version is 2.0.1
This source code can be compiled with Android Studio and Gradle.
Note
Android 4.3 or later is required.
Android Studio supported