Android studio doesn't list my phone under “Choose Device”

Question

Just starting out with Android development; have a Nexus 5 bought in Japan, but with English version of android (presumably shouldn\'t matter). I installed Android Studio on

Answer 1

In my case, android studio selectively doesnt recognize my device for projects with COMPILE AND TARGET SDKVERSION 29 under the app level build.gradle.

I fixed this either by downloading 'sources for android 29' which comes up after clicking the 'show package details' under the sdk manager tab or by reducing the compile and targetsdkversions to 28