Merge pull request #3694 from TrainLCD/fix/perf

Fix/perf

index.js

@@ -1,13 +1,21 @@
 import * as TaskManager from 'expo-task-manager'
 
+TaskManager.unregisterAllTasksAsync().catch(console.error)
+
+let lastTimestamp = 0
+
 if (!TaskManager.isTaskDefined(LOCATION_TASK_NAME)) {
   TaskManager.defineTask(LOCATION_TASK_NAME, ({ data, error }) => {
     if (error) {
       console.error(error)
       return
     }
 
-    setLocation(data.locations[0])
+    const latestTimestamp = data.locations[0]?.timestamp ?? 0
+    if (lastTimestamp < latestTimestamp) {
+      setLocation(data.locations[0])
+      lastTimestamp = latestTimestamp
+    }
   })
 }
 
@@ -18,8 +26,6 @@ import App from './src'
 import { LOCATION_TASK_NAME } from './src/constants'
 import { setLocation } from './src/hooks/useLocationStore'
 
-TaskManager.unregisterAllTasksAsync().catch(console.error)
-
 // registerRootComponent calls AppRegistry.registerComponent('main', () => App);
 // It also ensures that whether you load the app in the Expo client or in a native build,
 // the environment is set up appropriately

src/hooks/useStartBackgroundLocationUpdates.ts

@@ -17,7 +17,7 @@ export const useStartBackgroundLocationUpdates = () => {
       ) {
         Location.startLocationUpdatesAsync(LOCATION_TASK_NAME, {
           accuracy: Location.Accuracy.High,
-          distanceInterval: 100,
+          distanceInterval: 250,
           foregroundService: {
             notificationTitle: translate('bgAlertTitle'),
             notificationBody: translate('bgAlertContent'),