https://devzone.nordicsemi.com/f/nordic-q-a/7453/can-android-notify-app-when-the-specific-device-is-advertisingHi, I would like to know if it is possible that Android OS can know a specific device (has ever connected before) is advertising and OS notify a specific App to connect with it. Instead that App scans the device all the time and then connects withen-USTelligent Community 13Mon, 08 Jun 2015 09:18:35 GMThttps://devzone.nordicsemi.com/thread/26542?ContentTypeID=1Mon, 08 Jun 2015 09:18:35 GMT137ad170-7792-4731-bb38-c0d22fbe4515:65acdc0e-ebd9-49dc-a29b-111fa104a453MartinBL<p>Hi. It seems like that if you use Android V5.x you can use an API with &quot;low power mode scanning&quot;, but it still uses some of battery: <a href="http://developer.radiusnetworks.com/2014/10/28/android-5.0-scanning.html">Fast Background Detection With Android 5.0</a>.</p> <p>If you use Android V4.3 etc you will have to do some periodic scanning to save power: <a href="http://stackoverflow.com/questions/19914244/creating-background-services-for-bluetooth-low-energy-on-android">Creating background services for Bluetooth low energy on Android</a>. You should also look into the <a href="http://altbeacon.github.io/android-beacon-library/">Android Beacon Library</a>.</p><div style="clear:both;"></div>