diff --git a/Tracker/App.js b/Tracker/App.js
index 3d158b8..b6fb49e 100644
--- a/Tracker/App.js
+++ b/Tracker/App.js
@@ -2,36 +2,58 @@ import { StatusBar } from 'expo-status-bar';
 import { StyleSheet, Text, View } from 'react-native';
 import { NavigationContainer } from '@react-navigation/native';
 import { createStackNavigator } from '@react-navigation/stack';
-import MapScreen from './src/screens/MapScreen'
+import MapScreen from './src/screens/MapScreen';
 import ListScreen from './src/screens/ListScreen';
-import * as Location from "expo-location"
-import { useEffect } from 'react';
+import * as Location from "expo-location";
+import { useEffect, useRef } from 'react';
+import Storage from './src/system/database/storage';
 
 const Stack = createStackNavigator();
-
-
-let  foregroundSubscription = null;
-
+const storage = Storage.getInstance(); // Criando apenas uma instância de Storage
 
 export default function App() {
+  const locationInterval = useRef(null); // UseRef para armazenar o intervalo
 
-  const foregroundUpdate = async() =>{
-    const {granted} = await Location.getForegroundPermissionsAsync()
-    if (!granted){
-      console.error("Permissão Não obtida para localização")
-      return
-    }
-  }
-  useEffect(()=>{
-    const locationPerm = async() =>{
-      const foregroun = await Location.requestForegroundPermissionsAsync()
-    }
-    locationPerm()
-    foregroundUpdate()
-    
-  },[]
+  useEffect(() => {
+    const getLocation = async () => {
+      const { status } = await Location.requestForegroundPermissionsAsync();
+      if (status !== "granted") {
+        console.error("Permissão negada para localização.");
+        return;
+      }
+
+      // Obtém a localização inicial
+      const location = await Location.getCurrentPositionAsync({});
+      global.userLocation = location.coords;
+      await storage.saveData(new Date().valueOf(), location.coords);
+
+      console.log("Localização inicial salva:", location.coords);
+      
+
+      // Atualiza a localização a cada 5 segundos
+      locationInterval.current = setInterval(async () => {
+        try {
+          const updatedLocation = await Location.getCurrentPositionAsync({});
+          global.userLocation = updatedLocation.coords;
+          await storage.saveData(new Date().valueOf(), updatedLocation.coords);
+          console.log("Nova localização salva:", updatedLocation.coords);
+        } catch (error) {
+          console.error("Erro ao obter localização:", error);
+
+        }
+      }, 30000);
+    };
+
+    getLocation();
+
+    return () => {
+      if (locationInterval.current) {
+        clearInterval(locationInterval.current);
+        console.log("Intervalo de localização parado.");
+      }
+    };
+  }, []);
 
-)
   return (
     <NavigationContainer>
       <Stack.Navigator>
@@ -41,12 +63,3 @@ export default function App() {
     </NavigationContainer>
   );
 }
-
-const styles = StyleSheet.create({
-  container: {
-    flex: 1,
-    backgroundColor: '#fff',
-    alignItems: 'center',
-    justifyContent: 'center',
-  },
-});