mobile: stop bg fetch events when toggled off

apps/mobile/app/screens/settings/section-item.tsx

@@ -57,10 +57,10 @@ const _SectionItem = ({ item }: { item: SettingSection }) => {
       return;
     }
     if (!item.property) return;
+    item.onChange?.(!settings[item.property]);
     SettingsService.set({
       [item.property]: !settings[item.property]
     });
-    item.onChange?.(!settings[item.property]);
   };
 
   const styles =

apps/mobile/app/screens/settings/settings-data.tsx

@@ -70,6 +70,7 @@ import { SettingSection } from "./types";
 import { getTimeLeft } from "./user-section";
 import { AppLockPassword } from "../../components/dialogs/applock-password";
 import { validateAppLockPassword } from "../../common/database/encryption";
+import { BackgroundSync } from "../../services/background-sync";
 type User = any;
 
 export const settingsGroups: SettingSection[] = [
@@ -406,7 +407,14 @@ export const settingsGroups: SettingSection[] = [
             description:
               "Periodically wake up the app in background to sync your notes from other devices.",
             type: "switch",
-            property: "backgroundSync"
+            property: "backgroundSync",
+            onChange: (value) => {
+              if (value) {
+                BackgroundSync.start();
+              } else {
+                BackgroundSync.stop();
+              }
+            }
           },
           {
             id: "sync-issues-fix",

apps/mobile/app/services/background-sync.ts

@@ -87,6 +87,7 @@ async function start() {
     onEvent,
     onTimeout
   );
+
   DatabaseLogger.info(`[BackgroundFetch] configure status: ${status}`);
 }
 
@@ -159,7 +160,10 @@ const registerHeadlessTask = () =>
   );
 export const BackgroundSync = {
   start,
-  registerHeadlessTask
+  registerHeadlessTask,
+  stop: () => {
+    BackgroundFetch.stop();
+  }
 };
 
 export default { doInBackground };