According to play store reports, such as:
wt88047, 0MB RAM, Android 8.1
java.lang.NullPointerException:
at com.wireguard.android.QuickTileService.updateTile (QuickTileService.java:97)
at com.wireguard.android.QuickTileService.onStartListening (QuickTileService.java:56)
at android.service.quicksettings.TileService$H.handleMessage (TileService.java:407)
at android.os.Handler.dispatchMessage (Handler.java:106)
at android.os.Looper.loop (Looper.java:164)
at android.app.ActivityThread.main (ActivityThread.java:6520)
at java.lang.reflect.Method.invoke (Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:442)
at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:807)
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>