Improved menu interface

app/src/main/java/it/edu/cassandroferminervi/flowschool/screens/HomeScreen.kt

@@ -1,12 +1,18 @@
 package it.edu.cassandroferminervi.flowschool.screens
 
 import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material3.Button
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.ElevatedCard
+import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
@@ -24,18 +30,79 @@ fun HomeScreen(navigator: DestinationsNavigator, token: String) {
         verticalArrangement = Arrangement.Center,
         modifier = Modifier
             .fillMaxSize()
-            .padding(horizontal = 50.dp)
     ) {
-        Button(onClick = {
+        ElevatedCard(
+            elevation = CardDefaults.cardElevation(
+                defaultElevation = 6.dp
+            ),
+
+            modifier = Modifier
+                .fillMaxHeight(0.5F)
+                .fillMaxWidth()
+                .padding(25.dp)
+        ) {
+            Text(
+                "Scannerizza codice QR",
+                style = MaterialTheme.typography.headlineMedium,
+                modifier = Modifier
+                    .padding(16.dp)
+            )
+            Text(
+                "Scannerizzando il codice QR generato dinamicamente dal dispositivo situato nella scuola ti permette di segnare la presenza in modo efficiente.",
+                modifier = Modifier
+                    .padding(16.dp)
+            )
+            Box(
+                modifier = Modifier
+                    .fillMaxSize()
+            ) {
+                Button(
+                    onClick = {
                         navigator.navigate(PermissionScreenDestination(token))
-        }, modifier = Modifier.align(Alignment.CenterHorizontally)) {
+                    }, modifier = Modifier
-            Text("Scannerizza codice QR")
+                        .align(Alignment.BottomEnd)
+                        .padding(16.dp)
+                ) {
+                    Text("Prosegui")
+                }
+            }
         }
         Spacer(modifier = Modifier.height(8.dp))
-        Button(onClick = {
+        ElevatedCard(
+            elevation = CardDefaults.cardElevation(
+                defaultElevation = 6.dp
+            ),
+
+            modifier = Modifier
+                .fillMaxHeight()
+                .fillMaxWidth()
+                .padding(25.dp)
+        ) {
+            Text(
+                "Cerca professore",
+                style = MaterialTheme.typography.headlineMedium,
+                modifier = Modifier
+                    .padding(16.dp)
+            )
+            Text(
+                "Cerca il professore sul quale vuoi ottenere informazioni come l'orario di entrata, l'orario di uscita e la classe in cui presiede attualmente.",
+                modifier = Modifier
+                    .padding(16.dp)
+            )
+            Box(
+                modifier = Modifier
+                    .fillMaxSize()
+            ) {
+                Button(
+                    onClick = {
                         navigator.navigate(SearchingScreenDestination(token))
-        }, modifier = Modifier.align(Alignment.CenterHorizontally)) {
+                    }, modifier = Modifier
-            Text("Cerca professore")
+                        .align(Alignment.BottomEnd)
+                        .padding(16.dp)
+                ) {
+                    Text("Prosegui")
+                }
+            }
         }
     }
 }

app/src/main/java/it/edu/cassandroferminervi/flowschool/util/QrAnalyzer.kt

@@ -2,7 +2,6 @@ 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
@@ -17,7 +16,7 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
-class QrAnalyzer(private val context: Context, val navigator: DestinationsNavigator, val token: String) : ImageAnalysis.Analyzer {
+class QrAnalyzer(private val context: Context, private val navigator: DestinationsNavigator, val token: String) : ImageAnalysis.Analyzer {
     private val options = BarcodeScannerOptions.Builder()
         .setBarcodeFormats(Barcode.FORMAT_QR_CODE)
         .build()
@@ -37,7 +36,6 @@ class QrAnalyzer(private val context: Context, val navigator: DestinationsNaviga
                         ?.mapNotNull { it.rawValue }
                         ?.joinToString(",")
                         ?.let {
-                            Toast.makeText(context, it, Toast.LENGTH_SHORT).show()
                             CoroutineScope(Dispatchers.Main).launch {
                                 val response = RetrofitInstance.api.postPresence(token, it)
                                 val resBody = response.body()