diff --git a/.idea/misc.xml b/.idea/misc.xml
index 8978d23..9f71c83 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
index 94a25f7..35eb1dd 100644
--- a/.idea/vcs.xml
+++ b/.idea/vcs.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+    <mapping directory="" vcs="Git" />
   </component>
 </project>
\ No newline at end of file
diff --git a/app/src/main/java/it/edu/cassandroferminervi/flowschool/remote/ApiService.kt b/app/src/main/java/it/edu/cassandroferminervi/flowschool/remote/ApiService.kt
index 8464aad..4fd8c60 100644
--- a/app/src/main/java/it/edu/cassandroferminervi/flowschool/remote/ApiService.kt
+++ b/app/src/main/java/it/edu/cassandroferminervi/flowschool/remote/ApiService.kt
@@ -1,6 +1,7 @@
 package it.edu.cassandroferminervi.flowschool.remote
 
 import it.edu.cassandroferminervi.flowschool.remote.dto.LoginResult
+import it.edu.cassandroferminervi.flowschool.remote.dto.PresenceResult
 import it.edu.cassandroferminervi.flowschool.remote.dto.TeacherInfoResult
 import retrofit2.Response
 import retrofit2.http.Field
@@ -17,14 +18,17 @@ interface ApiService {
 
     @FormUrlEncoded
     @POST("presenza.php")
-    suspend fun postPresence(@Field("token") token: String): Response<Boolean>
+    suspend fun postPresence(
+        @Field("token") token: String,
+        @Field("codice") qrcode: String
+    ): Response<PresenceResult>
 
     @FormUrlEncoded
     @POST("lista.php")
     suspend fun postTeacherList(@Field("token") token: String): Response<List<TeacherInfoResult>>
 
     @FormUrlEncoded
-    @POST("ricerca.php")
+    @POST("ottieni_prof.php")
     suspend fun postTeacherInfo(
         @Field("token") token: String,
         @Field("profId") teacherId: Int
diff --git a/app/src/main/java/it/edu/cassandroferminervi/flowschool/remote/dto/PresenceResult.kt b/app/src/main/java/it/edu/cassandroferminervi/flowschool/remote/dto/PresenceResult.kt
new file mode 100644
index 0000000..ab4c06f
--- /dev/null
+++ b/app/src/main/java/it/edu/cassandroferminervi/flowschool/remote/dto/PresenceResult.kt
@@ -0,0 +1,6 @@
+package it.edu.cassandroferminervi.flowschool.remote.dto
+
+import androidx.annotation.Keep
+
+@Keep
+data class PresenceResult(val success: Boolean)
diff --git a/app/src/main/java/it/edu/cassandroferminervi/flowschool/screens/CameraScreen.kt b/app/src/main/java/it/edu/cassandroferminervi/flowschool/screens/CameraScreen.kt
index edededb..0cead8f 100644
--- a/app/src/main/java/it/edu/cassandroferminervi/flowschool/screens/CameraScreen.kt
+++ b/app/src/main/java/it/edu/cassandroferminervi/flowschool/screens/CameraScreen.kt
@@ -14,10 +14,11 @@ import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.platform.LocalLifecycleOwner
 import androidx.compose.ui.viewinterop.AndroidView
 import androidx.core.content.ContextCompat
+import com.ramcosta.composedestinations.navigation.DestinationsNavigator
 import it.edu.cassandroferminervi.flowschool.util.QrAnalyzer
 
 @Composable
-fun CameraScreen() {
+fun CameraScreen(navigator: DestinationsNavigator, token: String) {
     val localContext = LocalContext.current
     val lifecycleOwner = LocalLifecycleOwner.current
     val cameraProviderFuture = remember {
@@ -37,7 +38,7 @@ fun CameraScreen() {
             val imageAnalysis = ImageAnalysis.Builder().build()
             imageAnalysis.setAnalyzer(
                 ContextCompat.getMainExecutor(context),
-                QrAnalyzer(context)
+                QrAnalyzer(context, navigator, token)
             )
 
             runCatching {
diff --git a/app/src/main/java/it/edu/cassandroferminervi/flowschool/screens/PermissionScreen.kt b/app/src/main/java/it/edu/cassandroferminervi/flowschool/screens/PermissionScreen.kt
index 7b9b18a..30af8cf 100644
--- a/app/src/main/java/it/edu/cassandroferminervi/flowschool/screens/PermissionScreen.kt
+++ b/app/src/main/java/it/edu/cassandroferminervi/flowschool/screens/PermissionScreen.kt
@@ -12,15 +12,16 @@ import com.google.accompanist.permissions.isGranted
 import com.google.accompanist.permissions.rememberPermissionState
 import com.google.accompanist.permissions.shouldShowRationale
 import com.ramcosta.composedestinations.annotation.Destination
+import com.ramcosta.composedestinations.navigation.DestinationsNavigator
 
 @OptIn(ExperimentalPermissionsApi::class)
 @Destination
 @Composable
-fun PermissionScreen(token: String) {
+fun PermissionScreen(navigator: DestinationsNavigator, token: String) {
     val cameraPermissionState = rememberPermissionState(android.Manifest.permission.CAMERA)
 
     if (cameraPermissionState.status.isGranted) {
-        CameraScreen()
+        CameraScreen(navigator, token)
     } else {
         Box(
             contentAlignment = Alignment.Center,
diff --git a/app/src/main/java/it/edu/cassandroferminervi/flowschool/util/QrAnalyzer.kt b/app/src/main/java/it/edu/cassandroferminervi/flowschool/util/QrAnalyzer.kt
index 6b3f67a..3f5093a 100644
--- a/app/src/main/java/it/edu/cassandroferminervi/flowschool/util/QrAnalyzer.kt
+++ b/app/src/main/java/it/edu/cassandroferminervi/flowschool/util/QrAnalyzer.kt
@@ -2,6 +2,7 @@ package it.edu.cassandroferminervi.flowschool.util
 
 import android.annotation.SuppressLint
 import android.content.Context
+import android.content.Intent
 import android.widget.Toast
 import androidx.camera.core.ImageAnalysis
 import androidx.camera.core.ImageProxy
@@ -9,8 +10,14 @@ import com.google.mlkit.vision.barcode.BarcodeScannerOptions
 import com.google.mlkit.vision.barcode.BarcodeScanning
 import com.google.mlkit.vision.barcode.common.Barcode
 import com.google.mlkit.vision.common.InputImage
+import com.ramcosta.composedestinations.HomeScreenDestination
+import com.ramcosta.composedestinations.navigation.DestinationsNavigator
+import it.edu.cassandroferminervi.flowschool.remote.RetrofitInstance
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
 
-class QrAnalyzer(private val context: Context) : ImageAnalysis.Analyzer {
+class QrAnalyzer(private val context: Context, val navigator: DestinationsNavigator, val token: String) : ImageAnalysis.Analyzer {
     private val options = BarcodeScannerOptions.Builder()
         .setBarcodeFormats(Barcode.FORMAT_QR_CODE)
         .build()
@@ -29,7 +36,19 @@ class QrAnalyzer(private val context: Context) : ImageAnalysis.Analyzer {
                     barcode?.takeIf { it.isNotEmpty() }
                         ?.mapNotNull { it.rawValue }
                         ?.joinToString(",")
-                        ?.let { Toast.makeText(context, it, Toast.LENGTH_SHORT).show() }
+                        ?.let {
+                            Toast.makeText(context, it, Toast.LENGTH_SHORT).show()
+                            CoroutineScope(Dispatchers.Main).launch {
+                                val response = RetrofitInstance.api.postPresence(token, it)
+                                val resBody = response.body()
+
+                                if (resBody != null && resBody.success) {
+                                        navigator.navigate(HomeScreenDestination(token))
+                                } else {
+                                    Toast.makeText(context, "Errore", Toast.LENGTH_LONG).show()
+                                }
+                            }
+                        }
                 }.addOnCompleteListener {
                     imageProxy.close()
                 }