Show fab only on counter screen.

app/src/main/java/me/zobrist/tichucounter/MainActivity.kt

@@ -240,16 +240,10 @@ class MainActivity : BaseActivity() {
                             onClick = {
                                 scope.launch { drawerState.close() }
                                 navController.navigate(screen.route) {
-                                    // Pop up to the start destination of the graph to
-                                    // avoid building up a large stack of destinations
-                                    // on the back stack as users select items
                                     popUpTo(navController.graph.findStartDestination().id) {
                                         saveState = true
                                     }
-                                    // Avoid multiple copies of the same destination when
-                                    // reselecting the same item
                                     launchSingleTop = true
-                                    // Restore state when reselecting a previously selected item
                                     restoreState = true
                                 }
                             },
@@ -263,7 +257,7 @@ class MainActivity : BaseActivity() {
                 drawerState,
                 scope,
                 navController,
-                counterViewModel.keyboardHidden
+                counterViewModel.keyboardHidden && (currentDestination?.hierarchy?.any { it.route == "counter" } == true)
             ) { counterViewModel.keyboardHidden = false }
         }
     }