BluetoothLeScanner.startScan with Android 6.0 does not discover devices

Question

I\'m trying to use the function BluatoothLeScanner.startScan instead of the deprecated one BluetoothAdapter.startLeScan. Yesterday I updated my Nexus 5 to

Answer 1

Using the solutions provided above works but the side effect is that you have to have location services turned on for something that doesn't need it. An ugly and unsatisfying work around is to specify the target version in your manifest to

android:targetSdkVersion="21"

It allows scanning on my Nexus 7 even though the installed version is 6.0.1. I do not know what the side effects are of targeting a lower version than the installed version but at least scanning works. Might be the only solution for GPS-less devices (if such devices exist).

Google should be crucified for this.