Fix default colors on fresh install

App.tsx

@@ -54,8 +54,9 @@ const App = () => {
       setAppSettings({
         startup: gotSettings.startup,
         theme: gotSettings.theme,
-        lightColor: gotSettings.lightColor,
-        darkColor: gotSettings.darkColor,
+        lightColor:
+          gotSettings.lightColor || CombinedDefaultTheme.colors.primary,
+        darkColor: gotSettings.darkColor || CombinedDarkTheme.colors.primary,
       });
     })();
   }, []);
@@ -67,7 +68,6 @@ const App = () => {
         ...CombinedDarkTheme.colors,
         primary: appSettings.darkColor,
       },
-      dark: true,
     };
     const lightTheme = {
       ...CombinedDefaultTheme,
@@ -75,7 +75,6 @@ const App = () => {
         ...CombinedDefaultTheme.colors,
         primary: appSettings.lightColor,
       },
-      dark: false,
     };
     let theme = systemTheme === "dark" ? darkTheme : lightTheme;
     if (appSettings.theme === "dark") theme = darkTheme;

AppFab.tsx

@@ -1,29 +1,15 @@
-import { ComponentProps, useMemo } from "react";
-import { FAB, useTheme } from "react-native-paper";
-import { CombinedDarkTheme, CombinedDefaultTheme } from "./App";
-import { lightColors } from "./colors";
+import { ComponentProps } from "react";
+import { FAB } from "react-native-paper";
 
 export default function AppFab(props: Partial<ComponentProps<typeof FAB>>) {
-  const { colors } = useTheme();
-
-  const fabColor = useMemo(
-    () =>
-      lightColors.map((color) => color.hex).includes(colors.primary)
-        ? CombinedDarkTheme.colors.background
-        : CombinedDefaultTheme.colors.background,
-    [colors.primary]
-  );
-
   return (
     <FAB
       icon="plus"
       testID="add"
-      color={fabColor}
       style={{
         position: "absolute",
         right: 20,
         bottom: 20,
-        backgroundColor: colors.primary,
       }}
       {...props}
     />

TimerPage.tsx

@@ -73,13 +73,11 @@ export default function TimerPage() {
 
       <FAB
         icon="plus"
-        color={colors.background}
         onPress={add}
         style={{
           position: "absolute",
           left: 20,
           bottom: 20,
-          backgroundColor: colors.primary,
         }}
       />
       <AppFab icon="stop" onPress={stop} />