feat: enable max brightness for QR-Code read in a hook

app/(features)/(cards)/qrcode.tsx

@@ -19,6 +19,7 @@ import OnboardingBackButton from "@/components/onboarding/OnboardingBackButton";
 import { Services } from "@/stores/account/types";
 import Stack from "@/ui/components/Stack";
 import Typography from "@/ui/components/Typography";
+import { useMaxBrightness } from "@/hooks/useMaxBrightness";
 
 export default function QRCodePage() {
 
@@ -35,6 +36,8 @@ export default function QRCodePage() {
 
   const finalTranslation = Dimensions.get("window").height / 2;
 
+  useMaxBrightness();
+
   const panGesture = Gesture.Pan()
     .onUpdate((e) => {
       translationY.value = e.translationY < 0 ? e.translationY / 10 : e.translationY;
@@ -125,4 +128,4 @@ export default function QRCodePage() {
       </BlurView>
     </GestureDetector>
   );
-}
+}

hooks/useMaxBrightness.ts

@@ -0,0 +1,65 @@
+import { AppState } from "react-native";
+import { useEffect, useRef } from "react";
+import {setBrightnessAsync, getBrightnessAsync} from "expo-brightness"
+import { warn } from "@/utils/logger/logger";
+
+export function useMaxBrightness() {
+
+  const previousBrightness = useRef<number | null>(null);
+  const timeoutRef = useRef<NodeJS.Timeout | null>(null);
+
+  useEffect(() => {
+    let isMounted = true;
+
+    const enableBrightness = async () => {
+      try {
+        const current = await getBrightnessAsync();
+
+        if (!isMounted) return;
+
+        if (previousBrightness.current === null) {
+          previousBrightness.current = current
+        }
+        await setBrightnessAsync(1);
+      } catch (error) {
+        warn("Failed to set brightness");
+      }
+    };
+
+    const restoreBrightness = async () => {
+      try {
+        if (timeoutRef.current) {
+        clearTimeout(timeoutRef.current);
+        timeoutRef.current = null;
+      }
+        if (previousBrightness.current !== null) {
+          await setBrightnessAsync(previousBrightness.current);
+        }
+      } catch (error) {
+        warn("Failed to restore brightness");
+      }
+    };
+
+    timeoutRef.current = setTimeout(() => {
+      if (isMounted) {
+        enableBrightness();
+      }
+    }, 100);
+
+    const subscription = AppState.addEventListener("change", (nextAppState) => {
+      if (nextAppState === "inactive" || nextAppState === "background" ) {
+        restoreBrightness();
+      } else if (nextAppState === "active") {
+        timeoutRef.current = setTimeout(() => {
+          if (isMounted) enableBrightness();
+        }, 100);
+      }
+    });
+
+    return () => {
+      isMounted = false;
+      restoreBrightness();
+      subscription.remove();
+    };
+  }, []);
+}

package.json

@@ -54,6 +54,7 @@
     "expo-battery": "~55.0.11",
     "expo-blur": "~55.0.12",
     "expo-build-properties": "~55.0.11",
+    "expo-brightness": "~55.0.12",
     "expo-camera": "~55.0.13",
     "expo-crypto": "~55.0.12",
     "expo-dev-client": "~55.0.22",