https://devzone.nordicsemi.com/f/nordic-q-a/16166/android-read-and-writeDear Nordic developer： I am very eager to have the &quot;Android-nRF-Connect&quot; of the source code! I found the scan and DFU from the &quot;Android-nRF-Toolbox&quot; function, I also need to connect and read and write operations, seeking to help！ Please！en-USTelligent Community 13Sat, 03 Sep 2016 15:03:16 GMThttps://devzone.nordicsemi.com/thread/61695?ContentTypeID=1Sat, 03 Sep 2016 15:03:16 GMT137ad170-7792-4731-bb38-c0d22fbe4515:31383c88-7ae2-4af1-8d3f-d0b44b93803eChristopher<p>The source code of the nRF-Connect application is not public, but Nordic provides several Android code samples on Github.</p> <p>You should have a look at the <a href="https://github.com/NordicSemiconductor/Android-nRF-Toolbox">Android-nRF-Toolbox</a> project, especially the <a href="https://github.com/NordicSemiconductor/Android-nRF-Toolbox/blob/b4fdad1ebc5517e6fadc7181caa6a301815e9f48/app/src/main/java/no/nordicsemi/android/nrftoolbox/profile/BleManager.java">BleManager.java</a> file where you can see how you can send read/write requests to a connected BLE device.</p> <p>You should also look at these two Android sample applications:</p> <ol> <li><a href="https://github.com/NordicSemiconductor/Android-nRF-Blinky">Android-nRF-Blinky</a></li> <li><a href="https://github.com/NordicSemiconductor/Android-Digital-Bird">Android-Digital-Bird</a></li> </ol><div style="clear:both;"></div>