install splashscreen before super.onCreate

fixes crashes after rotation on Android 7
reason: Splash screen does not use an AppCompat theme, therefore view state is not restored correctly

app/src/main/java/net/vonforst/evmap/MapsActivity.kt

@@ -55,8 +55,8 @@ class MapsActivity : AppCompatActivity(),
     private lateinit var prefs: PreferenceDataSource
 
     override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
         val splashScreen = installSplashScreen()
+        super.onCreate(savedInstanceState)
 
         setContentView(R.layout.activity_maps)
 

app/src/main/java/net/vonforst/evmap/fragment/MapFragment.kt

@@ -160,6 +160,7 @@ class MapFragment : Fragment(), OnMapReadyCallback, MapsActivity.FragmentCallbac
         savedInstanceState: Bundle?
     ): View {
         binding = DataBindingUtil.inflate(inflater, R.layout.fragment_map, container, false)
+        println(binding.detailView.sourceButton)
         binding.lifecycleOwner = this
         binding.vm = vm