diff --git a/app/src/main/java/com/example/taskmanagement/MainActivity.kt b/app/src/main/java/com/example/taskmanagement/MainActivity.kt
index 1df4b53b5ae912661349c1423e8cf52af2c89654..4a7b848b89052896f22c9d334a13a6b7dc7f23ef 100644
--- a/app/src/main/java/com/example/taskmanagement/MainActivity.kt
+++ b/app/src/main/java/com/example/taskmanagement/MainActivity.kt
@@ -22,10 +22,9 @@ class MainActivity : AppCompatActivity() {
 
         navController.addOnDestinationChangedListener { _, destination, _ ->
             when (destination.id) {
-                R.id.welcomeFragment, R.id.loginFragment, R.id.registerFragment, R.id.forgotPasswordFragment -> {
+                R.id.welcomeFragment, R.id.loginFragment, R.id.registerFragment, R.id.forgotPasswordFragment, R.id.chatFragment -> {
                     bottomNavMenu.visibility = android.view.View.GONE
                 }
-
                 else -> {
                     bottomNavMenu.visibility = android.view.View.VISIBLE
                 }
@@ -33,15 +32,4 @@ class MainActivity : AppCompatActivity() {
         }
     }
 
-    fun hideBottomNavigation() {
-        val bottomNavigationView = findViewById<BottomNavigationView>(R.id.bottomNavMenu)
-        bottomNavigationView.visibility = android.view.View.GONE
-    }
-
-
-    fun showBottomNavigation() {
-        val bottomNavigationView = findViewById<BottomNavigationView>(R.id.bottomNavMenu)
-        bottomNavigationView.visibility = android.view.View.VISIBLE
-    }
-
 }
diff --git a/app/src/main/java/com/example/taskmanagement/auth/EditProfileFragment.kt b/app/src/main/java/com/example/taskmanagement/auth/EditProfileFragment.kt
index f87324d84a06468ef7642b4361bef6702aa5cc1a..92f8802b80eef05e44d393a3054ed527b0a0e5e1 100644
--- a/app/src/main/java/com/example/taskmanagement/auth/EditProfileFragment.kt
+++ b/app/src/main/java/com/example/taskmanagement/auth/EditProfileFragment.kt
@@ -95,12 +95,13 @@ class EditProfileFragment : Fragment() {
                 ?.document(it)
                 ?.set(userData)
                 ?.addOnSuccessListener {
-                    Toast.makeText(context, getString(R.string.profile_updated), Toast.LENGTH_SHORT).show()
+                    Toast.makeText(context, getString(R.string.profile_updated), Toast.LENGTH_SHORT)
+                        .show()
                 }
                 ?.addOnFailureListener {
                     Toast.makeText(
                         context,
-                        getString((R.string.error_updating_profile)),
+                        getString(R.string.error_saving_profile_image),
                         Toast.LENGTH_SHORT
                     ).show()
                 }
diff --git a/app/src/main/java/com/example/taskmanagement/auth/ProfileFragment.kt b/app/src/main/java/com/example/taskmanagement/auth/ProfileFragment.kt
index 380d4b94e0d19c59ee2c7d99658f0513d476ddc6..8533b10cd5767d0a1e08d835782644e294e36183 100644
--- a/app/src/main/java/com/example/taskmanagement/auth/ProfileFragment.kt
+++ b/app/src/main/java/com/example/taskmanagement/auth/ProfileFragment.kt
@@ -142,10 +142,15 @@ class ProfileFragment : Fragment() {
             FileOutputStream(file).use { output ->
                 bitmap.compress(Bitmap.CompressFormat.JPEG, 100, output)
             }
-            Toast.makeText(context, "Immagine salvata correttamente", Toast.LENGTH_SHORT).show()
+            Toast.makeText(context, getString(R.string.profile_image_saved), Toast.LENGTH_SHORT)
+                .show()
         } catch (e: IOException) {
             e.printStackTrace()
-            Toast.makeText(context, "Errore nel salvataggio dell'immagine", Toast.LENGTH_SHORT)
+            Toast.makeText(
+                context,
+                getString(R.string.error_saving_profile_image),
+                Toast.LENGTH_SHORT
+            )
                 .show()
         }
     }
@@ -203,7 +208,7 @@ class ProfileFragment : Fragment() {
                 .addOnFailureListener {
                     Toast.makeText(
                         context,
-                        "Errore nel caricamento del profilo",
+                        getString(R.string.error_loading_users),
                         Toast.LENGTH_SHORT
                     ).show()
                 }
@@ -219,12 +224,12 @@ class ProfileFragment : Fragment() {
                         taskList.add(taskName)
                     }
                 }
-                Log.e("ProfileFragment", "Task List: $taskList")
                 taskAdapter!!.notifyDataSetChanged()
                 listViewHeight(binding.assignedTasksList)
             }
             .addOnFailureListener {
-                Toast.makeText(context, getString(R.string.error_loading_tasks), Toast.LENGTH_SHORT).show()
+                Toast.makeText(context, getString(R.string.error_loading_tasks), Toast.LENGTH_SHORT)
+                    .show()
 
             }
 
@@ -285,7 +290,8 @@ class ProfileFragment : Fragment() {
                 }
             }
             .addOnFailureListener {
-                Toast.makeText(context, getString(R.string.error_loading_tasks), Toast.LENGTH_SHORT).show()
+                Toast.makeText(context, getString(R.string.error_loading_tasks), Toast.LENGTH_SHORT)
+                    .show()
             }
 
 
@@ -296,12 +302,11 @@ class ProfileFragment : Fragment() {
         val assignedTextView = view?.findViewById<TextView>(R.id.assignedSubtask)
         val completedTextView = view?.findViewById<TextView>(R.id.completedSubtask)
 
-        completedTextView?.text = completed.toString()
-        assignedTextView?.text = assigned.toString()
-        toDoTextView?.text = toDo.toString()
+        completedTextView?.text = "$completed"
+        assignedTextView?.text = "$assigned"
+        toDoTextView?.text = "$toDo"
     }
 
-
     private fun listViewHeight(listView: ListView) {
         val adapter = listView.adapter ?: return
 
diff --git a/app/src/main/java/com/example/taskmanagement/chat/ChatAdapter.kt b/app/src/main/java/com/example/taskmanagement/chat/ChatAdapter.kt
index c7212440eef7b2b0fc86d7ac72048320c2241979..46aa70a0b480147f8473c7ffd74f3eba080a294f 100644
--- a/app/src/main/java/com/example/taskmanagement/chat/ChatAdapter.kt
+++ b/app/src/main/java/com/example/taskmanagement/chat/ChatAdapter.kt
@@ -6,7 +6,9 @@ import android.view.ViewGroup
 import android.widget.TextView
 import androidx.recyclerview.widget.RecyclerView
 import com.example.taskmanagement.R
-class ChatAdapter(private val currentUserId: String) : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
+
+class ChatAdapter(private val currentUserId: String) :
+    RecyclerView.Adapter<RecyclerView.ViewHolder>() {
 
     private val messages = mutableListOf<Message>()
 
@@ -82,6 +84,4 @@ class ChatAdapter(private val currentUserId: String) : RecyclerView.Adapter<Recy
 
         }
     }
-
-
 }
diff --git a/app/src/main/java/com/example/taskmanagement/chat/ChatFragment.kt b/app/src/main/java/com/example/taskmanagement/chat/ChatFragment.kt
index 5c7a2fe2628109c8e9a0ccf7e6ffad21fe03b1a2..fff59f231fd789998c9f35049b880efb62fe3d09 100644
--- a/app/src/main/java/com/example/taskmanagement/chat/ChatFragment.kt
+++ b/app/src/main/java/com/example/taskmanagement/chat/ChatFragment.kt
@@ -15,9 +15,7 @@ import androidx.lifecycle.lifecycleScope
 import androidx.navigation.fragment.findNavController
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
-import com.example.taskmanagement.MainActivity
 import com.example.taskmanagement.R
-import com.google.android.material.bottomnavigation.BottomNavigationView
 import com.google.firebase.auth.FirebaseAuth
 import com.google.firebase.firestore.FirebaseFirestore
 import com.google.firebase.firestore.ListenerRegistration
@@ -60,7 +58,6 @@ class ChatFragment : Fragment() {
                 requireActivity().onBackPressedDispatcher.onBackPressed()
                 return null
             }
-
             return null
         }
 
@@ -75,11 +72,9 @@ class ChatFragment : Fragment() {
         createChat()
 
         nameChatTextView.text = receiverId
-        (activity as? MainActivity)?.hideBottomNavigation()
-
 
         buttonBack.setOnClickListener {
-            findNavController().navigateUp()
+            findNavController().popBackStack()
         }
 
         return view
@@ -119,7 +114,6 @@ class ChatFragment : Fragment() {
             adapter.submitList(ArrayList(messageList))
             recyclerView.scrollToPosition(messageList.size - 1)
         } catch (e: Exception) {
-            Log.e("ChatFragment", "Error loading messages: ", e)
             Toast.makeText(
                 requireContext(),
                 getString(R.string.failed_to_load_messages),
@@ -131,7 +125,6 @@ class ChatFragment : Fragment() {
 
     private fun sendMessage(text: String) {
         val chatId = getChatId()
-
         val message = Message(
             senderId = currentUserId,
             text = text,
@@ -195,10 +188,6 @@ class ChatFragment : Fragment() {
                     val chatData = hashMapOf(
                         "participants" to participants
                     )
-                    Log.d(
-                        "ChatFragment",
-                        "No existing chat found. Creating new chat with participants: $participants"
-                    )
                     chatRef.set(chatData)
                         .addOnSuccessListener {
                             Log.d(
diff --git a/app/src/main/java/com/example/taskmanagement/chat/ChatViewAdapter.kt b/app/src/main/java/com/example/taskmanagement/chat/ChatViewAdapter.kt
index fd8a20c7251cc977495a7fcd036a0720f731a78f..e826014ba4891ec506018685c83b81ee49f349a3 100644
--- a/app/src/main/java/com/example/taskmanagement/chat/ChatViewAdapter.kt
+++ b/app/src/main/java/com/example/taskmanagement/chat/ChatViewAdapter.kt
@@ -29,18 +29,15 @@ class ChatViewAdapter(
 
         val otherParticipant = chat.participants.firstOrNull { it != currentUserEmail }
 
-        holder.chatName.text = otherParticipant ?:
-                holder.itemView.context.getString(R.string.user_not_authenticated)
-        holder.lastMessage.text = chat.lastMessage?.text ?:
-                holder.itemView.context.getString(R.string.no_message)
+        holder.chatName.text =
+            otherParticipant ?: holder.itemView.context.getString(R.string.user_not_authenticated)
+        holder.lastMessage.text =
+            chat.lastMessage?.text ?: holder.itemView.context.getString(R.string.no_message)
 
         holder.itemView.setOnClickListener {
             onChatClicked(chat)
         }
     }
 
-
-
-
     override fun getItemCount() = chatList.size
 }
diff --git a/app/src/main/java/com/example/taskmanagement/chat/DialogFragment.kt b/app/src/main/java/com/example/taskmanagement/chat/DialogFragment.kt
index f70cee5026561c253a698991f2c8cf43fea457e3..62d032f887d232c70d225fff18a256dfc462775f 100644
--- a/app/src/main/java/com/example/taskmanagement/chat/DialogFragment.kt
+++ b/app/src/main/java/com/example/taskmanagement/chat/DialogFragment.kt
@@ -45,7 +45,11 @@ class DialogFragment : DialogFragment() {
     private fun loadUsers() {
         val currentUser = FirebaseAuth.getInstance().currentUser
         if (currentUser == null) {
-            Toast.makeText(requireContext(), getString(R.string.error_loading_users), Toast.LENGTH_SHORT).show()
+            Toast.makeText(
+                requireContext(),
+                getString(R.string.error_loading_users),
+                Toast.LENGTH_SHORT
+            ).show()
             return
         }
 
@@ -53,8 +57,10 @@ class DialogFragment : DialogFragment() {
             .document(currentUser.uid)
             .get()
             .addOnSuccessListener {
-                val sharedPrefs = requireContext().getSharedPreferences("TaskManagerPrefs", Context.MODE_PRIVATE)
-                val currentUserRole = sharedPrefs.getString("role", "defaultRole")?: return@addOnSuccessListener
+                val sharedPrefs =
+                    requireContext().getSharedPreferences("TaskManagerPrefs", Context.MODE_PRIVATE)
+                val currentUserRole =
+                    sharedPrefs.getString("role", "defaultRole") ?: return@addOnSuccessListener
 
                 val rolesToLoad = when (currentUserRole) {
                     "PM" -> listOf("PL")
@@ -93,7 +99,6 @@ class DialogFragment : DialogFragment() {
             }
     }
 
-
     private fun openChat(selectedUser: String) {
         val bundle = Bundle()
         bundle.putString("selectedUser", selectedUser)
diff --git a/app/src/main/java/com/example/taskmanagement/chat/UserAdapter.kt b/app/src/main/java/com/example/taskmanagement/chat/UserAdapter.kt
index 2e2f2588376e865a22dcf18359b466b2dba378c7..89d7af8ea9b2b0c20ca7c67ad7ffc4bf49eed625 100644
--- a/app/src/main/java/com/example/taskmanagement/chat/UserAdapter.kt
+++ b/app/src/main/java/com/example/taskmanagement/chat/UserAdapter.kt
@@ -1,6 +1,5 @@
 package com.example.taskmanagement.chat
 
-
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
diff --git a/app/src/main/java/com/example/taskmanagement/chat/UserSelectionFragment.kt b/app/src/main/java/com/example/taskmanagement/chat/UserSelectionFragment.kt
index 011ffa85ad6fe6e61ef16d7ef8023e72b49512eb..dc346c2ef593bf372a4430925b3e12c0934ce965 100644
--- a/app/src/main/java/com/example/taskmanagement/chat/UserSelectionFragment.kt
+++ b/app/src/main/java/com/example/taskmanagement/chat/UserSelectionFragment.kt
@@ -33,7 +33,7 @@ class UserSelectionFragment : Fragment() {
 
         recyclerViewChats = view.findViewById(R.id.recyclerViewChats)
         btnNewChat = view.findViewById(R.id.newChatButton)
-        noChatsMessage= view.findViewById(R.id.noChatsMessage)
+        noChatsMessage = view.findViewById(R.id.noChatsMessage)
 
         setupRecyclerView()
         loadChats()
@@ -126,7 +126,10 @@ class UserSelectionFragment : Fragment() {
                 if (isAdded) {
                     Toast.makeText(
                         requireContext(),
-                        getString(R.string.error_loading_last_message, e.message ?: "Unknown error"),
+                        getString(
+                            R.string.error_loading_last_message,
+                            e.message ?: "Unknown error"
+                        ),
                         Toast.LENGTH_SHORT
                     ).show()
                 }
@@ -134,8 +137,6 @@ class UserSelectionFragment : Fragment() {
     }
 
 
-
-
     private fun openChat(chat: Chat) {
         val currentUserId = currentUser?.email
         if (currentUserId.isNullOrEmpty()) {
@@ -189,7 +190,6 @@ class UserSelectionFragment : Fragment() {
                         R.id.action_userSelectionFragment_to_chatFragment,
                         bundle
                     )
-
                 }
             }
             .addOnFailureListener {
@@ -202,5 +202,4 @@ class UserSelectionFragment : Fragment() {
                 }
             }
     }
-
 }
diff --git a/app/src/main/java/com/example/taskmanagement/task/AddSubTaskFragment.kt b/app/src/main/java/com/example/taskmanagement/task/AddSubTaskFragment.kt
index 78cb96cc84f15fdc02578ab41bb680ea5578849e..745bbee4b2708c7735d7e7b016aad025f7eed9e0 100644
--- a/app/src/main/java/com/example/taskmanagement/task/AddSubTaskFragment.kt
+++ b/app/src/main/java/com/example/taskmanagement/task/AddSubTaskFragment.kt
@@ -1,5 +1,6 @@
 package com.example.taskmanagement.task
 
+import android.content.Context
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
@@ -152,7 +153,6 @@ class AddSubTaskFragment : Fragment() {
                             getString(R.string.subtask_added_successfully),
                             Toast.LENGTH_SHORT
                         ).show()
-
                         findNavController().popBackStack()
                     }
                     .addOnFailureListener { e ->
@@ -173,77 +173,66 @@ class AddSubTaskFragment : Fragment() {
     }
 
     private fun loadUsers(assignedToDropdown: AutoCompleteTextView) {
-        val currentUser = mAuth.currentUser ?: return
-        val userRoleRef = db.collection("users").document(currentUser.uid)
-
-        userRoleRef.get().addOnSuccessListener { document ->
-            val userRole = document.getString("role")
-
-            if (userRole != null) {
-                val query = when (userRole) {
-                    "PM" -> db.collection("users").whereEqualTo("role", "PL")
-                    "PL" -> db.collection("users").whereEqualTo("role", "Dev")
-                    else -> db.collection("users").whereEqualTo("role", "Dev")
-                }
-
-                query.get()
-                    .addOnSuccessListener { result ->
-                        val userList = mutableListOf<String>()
+        val sharedPrefs =
+            requireContext().getSharedPreferences("TaskManagerPrefs", Context.MODE_PRIVATE)
+        val role = sharedPrefs.getString("role", "defaultRole")
+
+        if (role != null) {
+            val query = when (role) {
+                "PM" -> db.collection("users").whereEqualTo("role", "PL")
+                "PL" -> db.collection("users").whereEqualTo("role", "Dev")
+                else -> db.collection("users").whereEqualTo("role", "Dev")
+            }
 
-                        for (doc in result) {
-                            val userEmail = doc.getString("email")
-                            userEmail?.let { userList.add(it) }
-                        }
+            query.get()
+                .addOnSuccessListener { result ->
+                    val userList = mutableListOf<String>()
 
-                        val adapter = ArrayAdapter(
-                            requireContext(),
-                            R.layout.dropdown_item,
-                            userList
-                        )
-                        assignedToDropdown.setAdapter(adapter)
+                    for (doc in result) {
+                        val userEmail = doc.getString("email")
+                        userEmail?.let { userList.add(it) }
                     }
-                    .addOnFailureListener {
-                        Toast.makeText(
-                            requireContext(),
-                            getString(R.string.role_not_found),
-                            Toast.LENGTH_SHORT
-                        ).show()
-                    }
-            } else {
-                Toast.makeText(
-                    requireContext(),
-                    getString(R.string.user_role_not_found),
-                    Toast.LENGTH_SHORT
-                ).show()
 
-            }
-        }.addOnFailureListener {
+                    val adapter = ArrayAdapter(
+                        requireContext(),
+                        R.layout.dropdown_item,
+                        userList
+                    )
+                    assignedToDropdown.setAdapter(adapter)
+                }
+                .addOnFailureListener {
+                    Toast.makeText(
+                        requireContext(),
+                        getString(R.string.role_not_found),
+                        Toast.LENGTH_SHORT
+                    ).show()
+                }
+        } else {
             Toast.makeText(
                 requireContext(),
-                getString(R.string.error_retrieving_role),
+                getString(R.string.user_role_not_found),
                 Toast.LENGTH_SHORT
             ).show()
+
         }
     }
+}
 
-    private fun mapPriorityToNumber(priorityText: String): Int {
-        return when (priorityText.lowercase()) {
-            "high" -> 2
-            "medium" -> 1
-            "low" -> 0
-            else -> 0
+private fun mapPriorityToNumber(priorityText: String): Int {
+    return when (priorityText.lowercase()) {
+        "high" -> 2
+        "medium" -> 1
+        "low" -> 0
+        else -> 0
 
-        }
     }
+}
 
-    private fun mapStatusToNumber(statusText: String): Int {
-        return when (statusText.lowercase()) {
-            "Todo" -> 0
-            "Assigned" -> 1
-            "Completed" -> 2
-            else -> 0
-        }
+private fun mapStatusToNumber(statusText: String): Int {
+    return when (statusText.lowercase()) {
+        "Todo" -> 0
+        "Assigned" -> 1
+        "Completed" -> 2
+        else -> 0
     }
-
-
 }
diff --git a/app/src/main/java/com/example/taskmanagement/task/AddTaskFragment.kt b/app/src/main/java/com/example/taskmanagement/task/AddTaskFragment.kt
index 8411540895fbcfa8b702af2bc991857bf6e0e09e..f314410e022fa8dfe1f595dfbd265d6544536e93 100644
--- a/app/src/main/java/com/example/taskmanagement/task/AddTaskFragment.kt
+++ b/app/src/main/java/com/example/taskmanagement/task/AddTaskFragment.kt
@@ -1,5 +1,6 @@
 package com.example.taskmanagement.task
 
+import android.content.Context
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
@@ -53,31 +54,22 @@ class AddTaskFragment : Fragment() {
             findNavController().popBackStack()
         }
 
-        checkUserRoleAndProceed(currentUser.uid)
+        checkRole()
     }
 
-    private fun checkUserRoleAndProceed(userId: String) {
-        val userRoleRef = db.collection("users").document(userId)
-        userRoleRef.get().addOnSuccessListener { document ->
-            val userRole = document.getString("role")
-
-            if (userRole == "Dev") {
-                Toast.makeText(
-                    requireContext(),
-                    getString(R.string.not_authorized),
-                    Toast.LENGTH_LONG
-                ).show()
-                findNavController().navigate(R.id.profileFragment)
-            } else {
-                initializeViews()
-            }
-        }.addOnFailureListener { exception ->
+    private fun checkRole() {
+        val sharedPrefs =
+            requireContext().getSharedPreferences("TaskManagerPrefs", Context.MODE_PRIVATE)
+        val role = sharedPrefs.getString("role", "defaultRole")
+        if (role == "Dev") {
             Toast.makeText(
                 requireContext(),
-                getString(R.string.failed_to_retrieve_user_role, exception.message),
-                Toast.LENGTH_SHORT
+                getString(R.string.not_authorized),
+                Toast.LENGTH_LONG
             ).show()
-
+            findNavController().navigate(R.id.profileFragment)
+        } else {
+            initializeViews()
         }
     }
 
@@ -152,60 +144,48 @@ class AddTaskFragment : Fragment() {
     }
 
     private fun loadUsers(assignedToDropdown: AutoCompleteTextView) {
-        val currentUser = mAuth.currentUser ?: return
-        val userRoleRef = db.collection("users").document(currentUser.uid)
-
-        userRoleRef.get().addOnSuccessListener { document ->
-            val userRole = document.getString("role")
-
-            if (userRole != null) {
-                val query = when (userRole) {
-                    "PM" -> db.collection("users").whereEqualTo("role", "PL")
-                    "PL" -> db.collection("users").whereEqualTo("role", "Dev")
-                    else -> db.collection("users").whereEqualTo("role", "Dev")
-                }
-
-                query.get()
-                    .addOnSuccessListener { result ->
-                        val userList = mutableListOf<String>()
+        val sharedPrefs =
+            requireContext().getSharedPreferences("TaskManagerPrefs", Context.MODE_PRIVATE)
+        val role = sharedPrefs.getString("role", "defaultRole")
+
+        if (role != null) {
+            val query = when (role) {
+                "PM" -> db.collection("users").whereEqualTo("role", "PL")
+                "PL" -> db.collection("users").whereEqualTo("role", "Dev")
+                else -> db.collection("users").whereEqualTo("role", "Dev")
+            }
 
-                        for (doc in result) {
-                            val userEmail = doc.getString("email")
-                            userEmail?.let { userList.add(it) }
-                        }
+            query.get()
+                .addOnSuccessListener { result ->
+                    val userList = mutableListOf<String>()
 
-                        val adapter = ArrayAdapter(
-                            requireContext(),
-                            R.layout.dropdown_item,
-                            userList
-                        )
-                        assignedToDropdown.setAdapter(adapter)
+                    for (doc in result) {
+                        val userEmail = doc.getString("email")
+                        userEmail?.let { userList.add(it) }
                     }
-                    .addOnFailureListener { exception ->
-                        Toast.makeText(
-                            requireContext(),
-                            getString(R.string.failed_to_load_users, exception.message),
-                            Toast.LENGTH_SHORT
-                        ).show()
 
-                    }
-            } else {
-                Toast.makeText(
-                    requireContext(),
-                    getString(R.string.user_role_not_found),
-                    Toast.LENGTH_SHORT
-                ).show()
+                    val adapter = ArrayAdapter(
+                        requireContext(),
+                        R.layout.dropdown_item,
+                        userList
+                    )
+                    assignedToDropdown.setAdapter(adapter)
+                }
+                .addOnFailureListener { exception ->
+                    Toast.makeText(
+                        requireContext(),
+                        getString(R.string.failed_to_load_users, exception.message),
+                        Toast.LENGTH_SHORT
+                    ).show()
 
-            }
-        }.addOnFailureListener { exception ->
+                }
+        } else {
             Toast.makeText(
                 requireContext(),
-                getString(R.string.failed_to_retrieve_user_role, exception.message),
+                getString(R.string.user_role_not_found),
                 Toast.LENGTH_SHORT
             ).show()
 
         }
     }
-
-
 }
diff --git a/app/src/main/java/com/example/taskmanagement/task/ModifySubTaskFragment.kt b/app/src/main/java/com/example/taskmanagement/task/ModifySubTaskFragment.kt
index 23e79dd8bec9d31c5e94e9a56e89173f83f16278..6491bff594c2c4751ee31bec6ed9e51b6d30e931 100644
--- a/app/src/main/java/com/example/taskmanagement/task/ModifySubTaskFragment.kt
+++ b/app/src/main/java/com/example/taskmanagement/task/ModifySubTaskFragment.kt
@@ -1,5 +1,6 @@
 package com.example.taskmanagement.task
 
+import android.content.Context
 import android.os.Bundle
 import android.util.Log
 import android.view.LayoutInflater
@@ -78,25 +79,21 @@ class ModifySubTaskFragment : Fragment() {
                     val subtask = document.toObject(SubTask::class.java)
                     subtask?.let { populateFields(it) }
                 } else {
-                    showErrorToast(R.string.error_subtask_not_found)
+                    Toast.makeText(
+                        requireContext(),
+                        R.string.error_subtask_not_found,
+                        Toast.LENGTH_SHORT
+                    ).show()
                     findNavController().popBackStack()
                 }
             }
             .addOnFailureListener { exception ->
                 Log.e("ModifySubTaskFragment", "Error loading document", exception)
-                showErrorToast(R.string.error_task_not_modify, exception.message)
+                Toast.makeText(requireContext(), R.string.error_task_not_modify, Toast.LENGTH_SHORT)
+                    .show()
             }
-
-    }
-
-
-    private fun showErrorToast(messageResId: Int, additionalMessage: String? = null) {
-        val message =
-            additionalMessage?.let { getString(messageResId, it) } ?: getString(messageResId)
-        Toast.makeText(requireContext(), message, Toast.LENGTH_SHORT).show()
     }
 
-
     private fun populateFields(subtask: SubTask) {
         binding.subtaskName.setText(subtask.name)
         binding.subtaskDescription.setText(subtask.description)
@@ -130,7 +127,7 @@ class ModifySubTaskFragment : Fragment() {
             val priority = getSelectedPriority()
             val status = getSelectedStatus()
 
-            if (subtaskName.isNotEmpty() && subtaskDescription.isNotEmpty() && deadline.isNotEmpty() && assignedTo.isNotEmpty()) {
+            if (subtaskName.isNotEmpty() && subtaskDescription.isNotEmpty() && deadline.isNotEmpty()) {
                 val updatedSubtask = SubTask(
                     name = subtaskName,
                     description = subtaskDescription,
@@ -212,55 +209,45 @@ class ModifySubTaskFragment : Fragment() {
     }
 
     private fun loadUsers(assignedToDropdown: AutoCompleteTextView) {
-        val currentUser = mAuth.currentUser ?: return
-        val userRoleRef = db.collection("users").document(currentUser.uid)
-
-        userRoleRef.get().addOnSuccessListener { document ->
-            val userRole = document.getString("role")
-
-            if (userRole != null) {
-                val query = when (userRole) {
-                    "PM" -> db.collection("users").whereEqualTo("role", "PL")
-                    "PL" -> db.collection("users").whereEqualTo("role", "Dev")
-                    else -> db.collection("users").whereEqualTo("role", "Dev")
-                }
-
-                query.get()
-                    .addOnSuccessListener { result ->
-                        val userList = mutableListOf<String>()
+        val sharedPrefs =
+            requireContext().getSharedPreferences("TaskManagerPrefs", Context.MODE_PRIVATE)
+        val role = sharedPrefs.getString("role", "defaultRole")
+
+        if (role != null) {
+            val query = when (role) {
+                "PM" -> db.collection("users").whereEqualTo("role", "PL")
+                "PL" -> db.collection("users").whereEqualTo("role", "Dev")
+                else -> db.collection("users").whereEqualTo("role", "Dev")
+            }
 
-                        for (doc in result) {
-                            val userEmail = doc.getString("email")
-                            userEmail?.let { userList.add(it) }
-                        }
+            query.get()
+                .addOnSuccessListener { result ->
+                    val userList = mutableListOf<String>()
 
-                        val adapter = ArrayAdapter(
-                            requireContext(),
-                            R.layout.dropdown_item,
-                            userList
-                        )
-                        assignedToDropdown.setAdapter(adapter)
+                    for (doc in result) {
+                        val userEmail = doc.getString("email")
+                        userEmail?.let { userList.add(it) }
                     }
-                    .addOnFailureListener { exception ->
-                        Toast.makeText(
-                            requireContext(),
-                            getString(R.string.failed_to_load_users, exception.message),
-                            Toast.LENGTH_SHORT
-                        ).show()
 
-                    }
-            } else {
-                Toast.makeText(
-                    requireContext(),
-                    getString(R.string.user_role_not_found),
-                    Toast.LENGTH_SHORT
-                ).show()
+                    val adapter = ArrayAdapter(
+                        requireContext(),
+                        R.layout.dropdown_item,
+                        userList
+                    )
+                    assignedToDropdown.setAdapter(adapter)
+                }
+                .addOnFailureListener { exception ->
+                    Toast.makeText(
+                        requireContext(),
+                        getString(R.string.failed_to_load_users, exception.message),
+                        Toast.LENGTH_SHORT
+                    ).show()
 
-            }
-        }.addOnFailureListener { exception ->
+                }
+        } else {
             Toast.makeText(
                 requireContext(),
-                getString(R.string.failed_to_retrieve_user_role, exception.message),
+                getString(R.string.user_role_not_found),
                 Toast.LENGTH_SHORT
             ).show()
 
diff --git a/app/src/main/java/com/example/taskmanagement/task/ModifyTaskFragment.kt b/app/src/main/java/com/example/taskmanagement/task/ModifyTaskFragment.kt
index 489fdea226e3a4140777b40ac7f9602d163f9a55..e3fd4a82d8e2f63310ae8a685040e9396fe86248 100644
--- a/app/src/main/java/com/example/taskmanagement/task/ModifyTaskFragment.kt
+++ b/app/src/main/java/com/example/taskmanagement/task/ModifyTaskFragment.kt
@@ -1,5 +1,6 @@
 package com.example.taskmanagement.task
 
+import android.content.Context
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
@@ -120,7 +121,7 @@ class ModifyTaskFragment : Fragment() {
             val expirationDate = binding.expirationInput.text.toString()
             val assignedTo = binding.assignedDropdown.text.toString()
 
-            if (taskName.isNotEmpty() && taskDescription.isNotEmpty() && expirationDate.isNotEmpty() && assignedTo.isNotEmpty()) {
+            if (taskName.isNotEmpty() && taskDescription.isNotEmpty() && expirationDate.isNotEmpty()) {
                 val updatedTask = Task(
                     name = taskName,
                     description = taskDescription,
@@ -159,59 +160,47 @@ class ModifyTaskFragment : Fragment() {
 
 
     private fun loadUsers(assignedToDropdown: AutoCompleteTextView) {
-        val currentUser = mAuth.currentUser ?: return
-        val userRoleRef = db.collection("users").document(currentUser.uid)
-
-        userRoleRef.get().addOnSuccessListener { document ->
-            val userRole = document.getString("role")
-
-            if (userRole != null) {
-                val query = when (userRole) {
-                    "PM" -> db.collection("users").whereEqualTo("role", "PL")
-                    "PL" -> db.collection("users").whereEqualTo("role", "Dev")
-                    else -> db.collection("users").whereEqualTo("role", "Dev")
-                }
-
-                query.get()
-                    .addOnSuccessListener { result ->
-                        val userList = mutableListOf<String>()
+        val sharedPrefs =
+            requireContext().getSharedPreferences("TaskManagerPrefs", Context.MODE_PRIVATE)
+        val role = sharedPrefs.getString("role", "defaultRole")
+        if (role != null) {
+            val query = when (role) {
+                "PM" -> db.collection("users").whereEqualTo("role", "PL")
+                "PL" -> db.collection("users").whereEqualTo("role", "Dev")
+                else -> db.collection("users").whereEqualTo("role", "Dev")
+            }
 
-                        for (doc in result) {
-                            val userEmail = doc.getString("email")
-                            userEmail?.let { userList.add(it) }
-                        }
+            query.get()
+                .addOnSuccessListener { result ->
+                    val userList = mutableListOf<String>()
 
-                        val adapter = ArrayAdapter(
-                            requireContext(),
-                            R.layout.dropdown_item,
-                            userList
-                        )
-                        assignedToDropdown.setAdapter(adapter)
+                    for (doc in result) {
+                        val userEmail = doc.getString("email")
+                        userEmail?.let { userList.add(it) }
                     }
-                    .addOnFailureListener { exception ->
-                        Toast.makeText(
-                            requireContext(),
-                            getString(R.string.failed_to_load_users, exception.message),
-                            Toast.LENGTH_SHORT
-                        ).show()
 
-                    }
-            } else {
-                Toast.makeText(
-                    requireContext(),
-                    getString(R.string.user_role_not_found),
-                    Toast.LENGTH_SHORT
-                ).show()
+                    val adapter = ArrayAdapter(
+                        requireContext(),
+                        R.layout.dropdown_item,
+                        userList
+                    )
+                    assignedToDropdown.setAdapter(adapter)
+                }
+                .addOnFailureListener { exception ->
+                    Toast.makeText(
+                        requireContext(),
+                        getString(R.string.failed_to_load_users, exception.message),
+                        Toast.LENGTH_SHORT
+                    ).show()
 
-            }
-        }.addOnFailureListener { exception ->
+                }
+        } else {
             Toast.makeText(
                 requireContext(),
-                getString(R.string.failed_to_retrieve_user_role, exception.message),
+                getString(R.string.user_role_not_found),
                 Toast.LENGTH_SHORT
             ).show()
 
         }
     }
-
 }
diff --git a/app/src/main/java/com/example/taskmanagement/task/SearchFragment.kt b/app/src/main/java/com/example/taskmanagement/task/SearchFragment.kt
index 5ab2d1503397565f06380ffad393dc63609152fe..9582ccff289c7d353bd63ec34c14cae9bf7d1285 100644
--- a/app/src/main/java/com/example/taskmanagement/task/SearchFragment.kt
+++ b/app/src/main/java/com/example/taskmanagement/task/SearchFragment.kt
@@ -100,7 +100,8 @@ class SearchFragment : Fragment() {
         }
         lifecycleScope.launch {
             try {
-                val sharedPrefs = requireContext().getSharedPreferences("TaskManagerPrefs", Context.MODE_PRIVATE)
+                val sharedPrefs =
+                    requireContext().getSharedPreferences("TaskManagerPrefs", Context.MODE_PRIVATE)
                 val role = sharedPrefs.getString("role", "defaultRole")
 
                 taskList.clear()
@@ -321,6 +322,17 @@ class SearchFragment : Fragment() {
     }
 
     private fun onEditTask(task: Task) {
+        val sharedPrefs =
+            requireContext().getSharedPreferences("TaskManagerPrefs", Context.MODE_PRIVATE)
+        val role = sharedPrefs.getString("role", "defaultRole")
+        if (role == "PL" || role == "Dev") {
+            Toast.makeText(
+                requireContext(),
+                getString(R.string.only_pm_can_edit_tasks),
+                Toast.LENGTH_SHORT
+            ).show()
+            return
+        }
         val taskId = taskIdMap[task.name]
         val bundle = Bundle().apply {
             putString("taskId", taskId)
diff --git a/app/src/main/java/com/example/taskmanagement/task/SearchSubFragment.kt b/app/src/main/java/com/example/taskmanagement/task/SearchSubFragment.kt
index 9bf4ec4c5c7b76c265728a7912d3aa98fe71d32f..f24679174dc7075bbb4e05c545fa706272563db3 100644
--- a/app/src/main/java/com/example/taskmanagement/task/SearchSubFragment.kt
+++ b/app/src/main/java/com/example/taskmanagement/task/SearchSubFragment.kt
@@ -1,7 +1,6 @@
 package com.example.taskmanagement.task
 
 import android.os.Bundle
-import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -30,8 +29,7 @@ class SearchSubFragment : Fragment() {
     private var taskID: String? = null
 
     override fun onCreateView(
-        inflater: LayoutInflater, container: ViewGroup?,
-        savedInstanceState: Bundle?
+        inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?
     ): View {
         val view = inflater.inflate(R.layout.fragment_search_sub, container, false)
 
@@ -72,13 +70,9 @@ class SearchSubFragment : Fragment() {
         subtaskRecyclerView.visibility = View.VISIBLE
         lifecycleScope.launch {
             try {
-                val result = firestore.collection("tasks")
-                    .document(taskId)
-                    .collection("subTasks")
-                    .get()
-                    .await()
-
-                Log.d("SubTaskFragment", "Firestore result size: ${result.size()}")
+                val result =
+                    firestore.collection("tasks").document(taskId).collection("subTasks").get()
+                        .await()
 
                 subtaskList.clear()
                 for (document in result) {
@@ -99,7 +93,11 @@ class SearchSubFragment : Fragment() {
                 }
 
             } catch (e: Exception) {
-                Toast.makeText(requireContext(), "Failed to load subtasks", Toast.LENGTH_SHORT)
+                Toast.makeText(
+                    requireContext(),
+                    getString(R.string.failed_to_load_subtasks),
+                    Toast.LENGTH_SHORT
+                )
                     .show()
             }
         }
diff --git a/app/src/main/java/com/example/taskmanagement/task/SubTask.kt b/app/src/main/java/com/example/taskmanagement/task/SubTask.kt
index d3ebfa22c52bcc58593a1e0f88fb8bcca6084d1c..a27b14586595a6c8a045711e73df45cea977ec18 100644
--- a/app/src/main/java/com/example/taskmanagement/task/SubTask.kt
+++ b/app/src/main/java/com/example/taskmanagement/task/SubTask.kt
@@ -3,7 +3,7 @@ package com.example.taskmanagement.task
 data class SubTask(
     val name: String = "",
     val description: String = "",
-    val createdBy: String?= "",
+    val createdBy: String? = "",
     val assignedTo: String? = null,
     val deadline: String = "",
     val priority: Int = 0,
diff --git a/app/src/main/java/com/example/taskmanagement/task/SubTaskFragment.kt b/app/src/main/java/com/example/taskmanagement/task/SubTaskFragment.kt
index 9e241c78a345967b61c313d34be85f09bc441d3b..ae158faa941ec661a0b6622b970be4091f1c045f 100644
--- a/app/src/main/java/com/example/taskmanagement/task/SubTaskFragment.kt
+++ b/app/src/main/java/com/example/taskmanagement/task/SubTaskFragment.kt
@@ -1,7 +1,7 @@
 package com.example.taskmanagement.task
 
+import android.content.Context
 import android.os.Bundle
-import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -57,9 +57,6 @@ class SubTaskFragment : Fragment() {
         backArrow.setOnClickListener {
             findNavController().popBackStack()
         }
-
-
-
         return view
     }
 
@@ -83,7 +80,11 @@ class SubTaskFragment : Fragment() {
                     bundle
                 )
             } else {
-                Toast.makeText(requireContext(), "Task ID not found", Toast.LENGTH_SHORT).show()
+                Toast.makeText(
+                    requireContext(),
+                    getString(R.string.task_id_not_found),
+                    Toast.LENGTH_SHORT
+                ).show()
             }
         }
 
@@ -104,8 +105,6 @@ class SubTaskFragment : Fragment() {
                     .get()
                     .await()
 
-                Log.d("SubTaskFragment", "Firestore result size: ${result.size()}")
-
                 subtaskList.clear()
                 for (document in result) {
                     val subTask = document.toObject(SubTask::class.java)
@@ -125,7 +124,11 @@ class SubTaskFragment : Fragment() {
                 }
 
             } catch (e: Exception) {
-                Toast.makeText(requireContext(), "Failed to load subtasks", Toast.LENGTH_SHORT)
+                Toast.makeText(
+                    requireContext(),
+                    getString(R.string.failed_to_load_subtasks),
+                    Toast.LENGTH_SHORT
+                )
                     .show()
             }
         }
@@ -134,29 +137,27 @@ class SubTaskFragment : Fragment() {
     private fun toggleFabMenu(fabAddSubtask: View, fabBackHome: View) {
         val currentUser = FirebaseAuth.getInstance().currentUser
         if (currentUser != null) {
-            val userRef = FirebaseFirestore.getInstance().collection("users").document(currentUser.uid)
-            userRef.get().addOnSuccessListener { document ->
-                val userRole = document.getString("role")
-                if (userRole == "PM") {
+            val sharedPrefs =
+                requireContext().getSharedPreferences("TaskManagerPrefs", Context.MODE_PRIVATE)
+            val role = sharedPrefs.getString("role", "defaultRole")
+            if (role == "PM") {
+                fabAddSubtask.visibility = View.GONE
+                if (isFabMenuOpen) {
+                    fabBackHome.visibility = View.GONE
+                } else {
+                    fabBackHome.visibility = View.VISIBLE
+                }
+            } else {
+                if (isFabMenuOpen) {
                     fabAddSubtask.visibility = View.GONE
-                    if (isFabMenuOpen) {
-                        fabBackHome.visibility = View.GONE
-                    } else {
-                        fabBackHome.visibility = View.VISIBLE
-                    }
+                    fabBackHome.visibility = View.GONE
                 } else {
-                    if (isFabMenuOpen) {
-                        fabAddSubtask.visibility = View.GONE
-                        fabBackHome.visibility = View.GONE
-                    } else {
-                        fabAddSubtask.visibility = View.VISIBLE
-                        fabBackHome.visibility = View.VISIBLE
-                    }
+                    fabAddSubtask.visibility = View.VISIBLE
+                    fabBackHome.visibility = View.VISIBLE
                 }
-                isFabMenuOpen = !isFabMenuOpen
-            }.addOnFailureListener {
-                Toast.makeText(context, "Error loading user role", Toast.LENGTH_SHORT).show()
             }
+            isFabMenuOpen = !isFabMenuOpen
+
         }
     }
 
diff --git a/app/src/main/java/com/example/taskmanagement/task/SubtaskAdapter.kt b/app/src/main/java/com/example/taskmanagement/task/SubtaskAdapter.kt
index d205fe6634347b4e5c0c2d33ffc8602573109111..6a1b2b45be6a9835a9867c413b533b539c8c1148 100644
--- a/app/src/main/java/com/example/taskmanagement/task/SubtaskAdapter.kt
+++ b/app/src/main/java/com/example/taskmanagement/task/SubtaskAdapter.kt
@@ -57,11 +57,10 @@ class SubtaskAdapter(
             originalTaskList
         } else {
             originalTaskList.filter {
-                it.name.contains(query, ignoreCase = true) || it.description.contains(
-                    query,
-                    ignoreCase = true
-                ) || it.deadline.contains(query, ignoreCase = true)
-                        ||  statusMap[query] == it.status
+                it.name.contains(query, ignoreCase = true)
+                        || it.description.contains(query, ignoreCase = true)
+                        || it.deadline.contains(query, ignoreCase = true)
+                        || statusMap[query] == it.status
                         || priorityMap[query] == it.priority
 
             }
@@ -115,7 +114,6 @@ class SubtaskAdapter(
                     val subtasksRef = db.collection("tasks")
                         .document(taskId)
                         .collection("subTasks")
-
                     subtasksRef.get()
                         .addOnSuccessListener { documents ->
                             for (document in documents) {
@@ -167,7 +165,6 @@ class SubtaskAdapter(
                 }
             }
 
-
             deleteButton.setOnClickListener {
                 db.collection("tasks")
                     .document(taskId).collection("subTasks")
@@ -216,7 +213,6 @@ class SubtaskAdapter(
                             .show()
                     }
             }
-
         }
 
         private fun calculateDaysRemaining(deadline: String?): Int {
@@ -233,9 +229,7 @@ class SubtaskAdapter(
                 0
             }
         }
-
     }
-
 }
 
 
diff --git a/app/src/main/res/drawable/baseline_how_to_reg_24.xml b/app/src/main/res/drawable/baseline_how_to_reg_24.xml
deleted file mode 100644
index 2b3e41eb3af117414d7e53ceca1a38b2840ea2d0..0000000000000000000000000000000000000000
--- a/app/src/main/res/drawable/baseline_how_to_reg_24.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:tint="#000000" android:viewportHeight="24" android:viewportWidth="24" android:width="24dp">
-      
-    <path android:fillColor="@android:color/white" android:fillType="evenOdd" android:pathData="M9,17l3,-2.94c-0.39,-0.04 -0.68,-0.06 -1,-0.06 -2.67,0 -8,1.34 -8,4v2h9l-3,-3zM11,12c2.21,0 4,-1.79 4,-4s-1.79,-4 -4,-4 -4,1.79 -4,4 1.79,4 4,4"/>
-      
-    <path android:fillColor="@android:color/white" android:fillType="evenOdd" android:pathData="M15.47,20.5L12,17l1.4,-1.41 2.07,2.08 5.13,-5.17 1.4,1.41z"/>
-    
-</vector>
diff --git a/app/src/main/res/drawable/ic_launcher_background.xml b/app/src/main/res/drawable/ic_launcher_background.xml
deleted file mode 100644
index 07d5da9cbf141911847041df5d7b87f0dd5ef9d4..0000000000000000000000000000000000000000
--- a/app/src/main/res/drawable/ic_launcher_background.xml
+++ /dev/null
@@ -1,170 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="108dp"
-    android:height="108dp"
-    android:viewportWidth="108"
-    android:viewportHeight="108">
-    <path
-        android:fillColor="#3DDC84"
-        android:pathData="M0,0h108v108h-108z" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M9,0L9,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,0L19,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M29,0L29,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M39,0L39,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M49,0L49,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M59,0L59,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M69,0L69,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M79,0L79,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M89,0L89,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M99,0L99,108"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,9L108,9"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,19L108,19"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,29L108,29"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,39L108,39"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,49L108,49"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,59L108,59"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,69L108,69"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,79L108,79"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,89L108,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M0,99L108,99"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,29L89,29"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,39L89,39"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,49L89,49"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,59L89,59"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,69L89,69"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M19,79L89,79"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M29,19L29,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M39,19L39,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M49,19L49,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M59,19L59,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M69,19L69,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-    <path
-        android:fillColor="#00000000"
-        android:pathData="M79,19L79,89"
-        android:strokeWidth="0.8"
-        android:strokeColor="#33FFFFFF" />
-</vector>
diff --git a/app/src/main/res/drawable/ic_launcher_foreground.xml b/app/src/main/res/drawable/ic_launcher_foreground.xml
deleted file mode 100644
index 2b068d11462a4b96669193de13a711a3a36220a0..0000000000000000000000000000000000000000
--- a/app/src/main/res/drawable/ic_launcher_foreground.xml
+++ /dev/null
@@ -1,30 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:aapt="http://schemas.android.com/aapt"
-    android:width="108dp"
-    android:height="108dp"
-    android:viewportWidth="108"
-    android:viewportHeight="108">
-    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
-        <aapt:attr name="android:fillColor">
-            <gradient
-                android:endX="85.84757"
-                android:endY="92.4963"
-                android:startX="42.9492"
-                android:startY="49.59793"
-                android:type="linear">
-                <item
-                    android:color="#44000000"
-                    android:offset="0.0" />
-                <item
-                    android:color="#00000000"
-                    android:offset="1.0" />
-            </gradient>
-        </aapt:attr>
-    </path>
-    <path
-        android:fillColor="#FFFFFF"
-        android:fillType="nonZero"
-        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
-        android:strokeWidth="1"
-        android:strokeColor="#00000000" />
-</vector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_notification.xml b/app/src/main/res/drawable/ic_notification.xml
deleted file mode 100644
index 5979e31d2dafd4cadfaa8e226f27a1ea6ffa545b..0000000000000000000000000000000000000000
--- a/app/src/main/res/drawable/ic_notification.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:tint="#000000" android:viewportHeight="24" android:viewportWidth="24" android:width="24dp">
-      
-    <path android:fillColor="@android:color/white" android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM12,18.5c-0.83,0 -1.5,-0.67 -1.5,-1.5h3c0,0.83 -0.67,1.5 -1.5,1.5zM17,16L7,16v-1l1,-1v-2.61C8,9.27 9.03,7.47 11,7v-0.5c0,-0.57 0.43,-1 1,-1s1,0.43 1,1L13,7c1.97,0.47 3,2.28 3,4.39L16,14l1,1v1z"/>
-    
-</vector>
diff --git a/app/src/main/res/drawable/message_bubble_received.xml b/app/src/main/res/drawable/message_bubble_received.xml
index 1b98848aa2749509e03977b3be19da85a43892ea..3887fc59e1c301e3852b9e94ab83dec952e426e6 100644
--- a/app/src/main/res/drawable/message_bubble_received.xml
+++ b/app/src/main/res/drawable/message_bubble_received.xml
@@ -1,5 +1,5 @@
 <shape xmlns:android="http://schemas.android.com/apk/res/android">
-    <solid android:color="@color/DarkSeaGreen" />
+    <solid android:color="@color/LightGrey" />
     <corners android:radius="30dp" />
     <padding
         android:left="16dp"
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 0937422f5d21538e1601c28d63995d85be95281a..0bd2aa85ab59c830dc0ce4d401e08a3c2e97fd57 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -6,7 +6,7 @@
     android:layout_height="match_parent"
     tools:context=".MainActivity">
 
-    <fragment
+    <androidx.fragment.app.FragmentContainerView
         android:id="@+id/nav_host_fragment"
         android:name="androidx.navigation.fragment.NavHostFragment"
         android:layout_width="0dp"
diff --git a/app/src/main/res/layout/fragment_add_sub_task.xml b/app/src/main/res/layout/fragment_add_sub_task.xml
index e77318d1f929b27f45be83ca4a6bc382408fc9d6..4176d5b8fd5b7fb7ae4c9cafb27a9f4cce25e991 100644
--- a/app/src/main/res/layout/fragment_add_sub_task.xml
+++ b/app/src/main/res/layout/fragment_add_sub_task.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
@@ -14,25 +13,25 @@
         android:layout_height="wrap_content"
         android:background="?attr/colorPrimaryContainer"
         android:elevation="0dp"
-        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintEnd_toEndOf="parent">
+        app:layout_constraintTop_toTopOf="parent">
 
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:gravity="center_vertical"
             android:orientation="horizontal"
             android:paddingStart="16dp"
-            android:paddingEnd="16dp"
-            android:gravity="center_vertical">
+            android:paddingEnd="16dp">
 
             <ImageButton
                 android:id="@+id/buttonBack"
                 android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
+                android:layout_height="40dp"
                 android:background="?attr/selectableItemBackground"
-                android:src="@drawable/baseline_arrow_back_24"
-                android:contentDescription="@string/turn_back" />
+                android:contentDescription="@string/turn_back"
+                android:src="@drawable/baseline_arrow_back_24" />
 
             <TextView
                 android:id="@+id/nameToolAddTask"
@@ -50,16 +49,16 @@
         android:layout_width="0dp"
         android:layout_height="0dp"
         android:padding="16dp"
-        app:layout_constraintTop_toBottomOf="@id/toolbarChat"
-        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintBottom_toBottomOf="parent">
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/toolbarChat">
 
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:orientation="vertical"
             android:dividerPadding="8dp"
+            android:orientation="vertical"
             android:showDividers="middle">
 
             <!-- Nome Subtask -->
@@ -76,7 +75,6 @@
                     android:layout_height="wrap_content" />
             </com.google.android.material.textfield.TextInputLayout>
 
-            <!-- Descrizione -->
             <com.google.android.material.textfield.TextInputLayout
                 android:id="@+id/subtaskDescriptionTextField"
                 style="@style/Widget.Material3.TextInputLayout.FilledBox"
@@ -90,7 +88,6 @@
                     android:layout_height="wrap_content" />
             </com.google.android.material.textfield.TextInputLayout>
 
-            <!-- Menu Priorità -->
             <com.google.android.material.textfield.TextInputLayout
                 android:id="@+id/priorityMenu"
                 style="@style/Widget.Material3.TextInputLayout.FilledBox.ExposedDropdownMenu"
@@ -105,7 +102,6 @@
                     android:inputType="none" />
             </com.google.android.material.textfield.TextInputLayout>
 
-            <!-- Menu Stato -->
             <com.google.android.material.textfield.TextInputLayout
                 android:id="@+id/statusMenu"
                 style="@style/Widget.Material3.TextInputLayout.FilledBox.ExposedDropdownMenu"
@@ -120,7 +116,6 @@
                     android:inputType="none" />
             </com.google.android.material.textfield.TextInputLayout>
 
-            <!-- Scadenza -->
             <com.google.android.material.textfield.TextInputLayout
                 android:id="@+id/subtaskDeadlineMenu"
                 style="@style/Widget.Material3.TextInputLayout.FilledBox"
@@ -135,7 +130,6 @@
                     android:inputType="date" />
             </com.google.android.material.textfield.TextInputLayout>
 
-            <!-- Assegnato a -->
             <com.google.android.material.textfield.TextInputLayout
                 android:id="@+id/assignedToMenu"
                 style="@style/Widget.Material3.TextInputLayout.FilledBox.ExposedDropdownMenu"
@@ -153,26 +147,26 @@
             <TextView
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:text="@string/progress"
                 android:layout_marginTop="8dp"
+                android:text="@string/progress"
                 android:textAppearance="?attr/textAppearanceBodyMedium" />
 
             <com.google.android.material.slider.Slider
                 android:id="@+id/progressSlider"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:valueFrom="0"
-                android:valueTo="100"
+                android:layout_marginTop="8dp"
                 android:stepSize="1"
-                android:layout_marginTop="8dp" />
+                android:valueFrom="0"
+                android:valueTo="100" />
 
             <com.google.android.material.button.MaterialButton
                 android:id="@+id/addSubtaskButton"
+                style="@style/Widget.Material3.Button"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_marginTop="16dp"
-                android:text="@string/save_subtask"
-                style="@style/Widget.Material3.Button" />
+                android:text="@string/save_subtask" />
         </LinearLayout>
     </androidx.core.widget.NestedScrollView>
 </androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/fragment_add_task.xml b/app/src/main/res/layout/fragment_add_task.xml
index efda3b91798f4c9e28ebef6e5ea03c4c29af93fb..204f2183a4332420b4f53bfe9155105592070051 100644
--- a/app/src/main/res/layout/fragment_add_task.xml
+++ b/app/src/main/res/layout/fragment_add_task.xml
@@ -61,7 +61,6 @@
             android:orientation="vertical"
             android:showDividers="middle">
 
-            <!-- Nome Subtask -->
             <com.google.android.material.textfield.TextInputLayout
                 android:id="@+id/subtaskNameText"
                 style="@style/Widget.Material3.TextInputLayout.FilledBox"
diff --git a/app/src/main/res/layout/fragment_dialog.xml b/app/src/main/res/layout/fragment_dialog.xml
index cb5034c11c072f55e64e2baf78d98341050badb7..82c878d6a44b2499e32425449a2c423893291bf5 100644
--- a/app/src/main/res/layout/fragment_dialog.xml
+++ b/app/src/main/res/layout/fragment_dialog.xml
@@ -1,13 +1,13 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-
     android:orientation="vertical"
     android:padding="16dp">
 
     <TextView
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:gravity="center_horizontal"
         android:paddingBottom="8dp"
         android:text="@string/select_user"
         android:textSize="18sp"
diff --git a/app/src/main/res/layout/fragment_edit_profile.xml b/app/src/main/res/layout/fragment_edit_profile.xml
index b354b7f2648880f78e501b7e9d4a7aaf6ada5c1b..f0911168221b23e48bfdd2155e60d1c2af8324da 100644
--- a/app/src/main/res/layout/fragment_edit_profile.xml
+++ b/app/src/main/res/layout/fragment_edit_profile.xml
@@ -7,7 +7,6 @@
     android:fitsSystemWindows="true"
     tools:context=".auth.EditProfileFragment">
 
-    <!-- Toolbar -->
     <androidx.appcompat.widget.Toolbar
         android:id="@+id/toolbarEditProfile"
         android:layout_width="0dp"
@@ -46,7 +45,6 @@
         </LinearLayout>
     </androidx.appcompat.widget.Toolbar>
 
-    <!-- Scrollable Content -->
     <androidx.core.widget.NestedScrollView
         android:layout_width="0dp"
         android:layout_height="0dp"
@@ -63,7 +61,6 @@
             android:orientation="vertical"
             android:showDividers="middle">
 
-            <!-- Nome -->
             <com.google.android.material.textfield.TextInputLayout
                 android:id="@+id/inputName"
                 style="@style/Widget.Material3.TextInputLayout.FilledBox"
@@ -116,7 +113,6 @@
                     android:layout_height="wrap_content" />
             </com.google.android.material.textfield.TextInputLayout>
 
-            <!-- Save Button -->
             <com.google.android.material.button.MaterialButton
                 android:id="@+id/buttonSaveProfile"
                 style="@style/Widget.Material3.Button"
diff --git a/app/src/main/res/layout/fragment_modify_sub_task.xml b/app/src/main/res/layout/fragment_modify_sub_task.xml
index abfea12df4d89256d60df1d0c14305eaf9a87a77..c5b323bb82ad0f547994bf19190bff932bdce1fc 100644
--- a/app/src/main/res/layout/fragment_modify_sub_task.xml
+++ b/app/src/main/res/layout/fragment_modify_sub_task.xml
@@ -45,7 +45,6 @@
         </LinearLayout>
     </androidx.appcompat.widget.Toolbar>
 
-    <!-- NestedScrollView -->
     <androidx.core.widget.NestedScrollView
         android:layout_width="0dp"
         android:layout_height="0dp"
@@ -62,7 +61,6 @@
             android:orientation="vertical"
             android:showDividers="middle">
 
-            <!-- Nome Subtask -->
             <com.google.android.material.textfield.TextInputLayout
                 android:id="@+id/subtaskNameText"
                 style="@style/Widget.Material3.TextInputLayout.FilledBox"
@@ -76,7 +74,6 @@
                     android:layout_height="wrap_content" />
             </com.google.android.material.textfield.TextInputLayout>
 
-            <!-- Descrizione Subtask -->
             <com.google.android.material.textfield.TextInputLayout
                 android:id="@+id/subtaskDescriptionText"
                 style="@style/Widget.Material3.TextInputLayout.FilledBox"
@@ -90,7 +87,6 @@
                     android:layout_height="wrap_content" />
             </com.google.android.material.textfield.TextInputLayout>
 
-            <!-- Priorità -->
             <com.google.android.material.textfield.TextInputLayout
                 android:id="@+id/priorityMenu"
                 style="@style/Widget.Material3.TextInputLayout.FilledBox.ExposedDropdownMenu"
@@ -105,7 +101,6 @@
                     android:inputType="none" />
             </com.google.android.material.textfield.TextInputLayout>
 
-            <!-- Stato -->
             <com.google.android.material.textfield.TextInputLayout
                 android:id="@+id/statusMenu"
                 style="@style/Widget.Material3.TextInputLayout.FilledBox.ExposedDropdownMenu"
@@ -120,7 +115,6 @@
                     android:inputType="none" />
             </com.google.android.material.textfield.TextInputLayout>
 
-            <!-- Scadenza -->
             <com.google.android.material.textfield.TextInputLayout
                 android:id="@+id/deadlineMenu"
                 style="@style/Widget.Material3.TextInputLayout.FilledBox"
@@ -132,11 +126,10 @@
                     android:id="@+id/subtask_deadline"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:inputType="none"
-                    android:focusable="false" />
+                    android:focusable="false"
+                    android:inputType="none" />
             </com.google.android.material.textfield.TextInputLayout>
 
-            <!-- Progresso -->
             <TextView
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
@@ -153,7 +146,6 @@
                 android:valueFrom="0"
                 android:valueTo="100" />
 
-            <!-- Assegnato a -->
             <com.google.android.material.textfield.TextInputLayout
                 android:id="@+id/assignedMenu"
                 style="@style/Widget.Material3.TextInputLayout.FilledBox.ExposedDropdownMenu"
@@ -168,7 +160,6 @@
                     android:inputType="none" />
             </com.google.android.material.textfield.TextInputLayout>
 
-            <!-- Pulsante Salva -->
             <com.google.android.material.button.MaterialButton
                 android:id="@+id/save_subtask_button"
                 style="@style/Widget.Material3.Button"
diff --git a/app/src/main/res/layout/fragment_modify_task.xml b/app/src/main/res/layout/fragment_modify_task.xml
index f6f9df7957cbabe62264d955cdf72ee7fbc08850..a618684212fa12a9e646391cf727fca1c34149fa 100644
--- a/app/src/main/res/layout/fragment_modify_task.xml
+++ b/app/src/main/res/layout/fragment_modify_task.xml
@@ -61,7 +61,6 @@
             android:orientation="vertical"
             android:showDividers="middle">
 
-            <!-- Nome Task -->
             <com.google.android.material.textfield.TextInputLayout
                 android:id="@+id/taskNameText"
                 style="@style/Widget.Material3.TextInputLayout.FilledBox"
diff --git a/app/src/main/res/layout/fragment_profile.xml b/app/src/main/res/layout/fragment_profile.xml
index d270492ea6dc1fa7aa06ed913243cd81994268ab..9a7898131d41f6b41defeecac536197e344dc5f6 100644
--- a/app/src/main/res/layout/fragment_profile.xml
+++ b/app/src/main/res/layout/fragment_profile.xml
@@ -3,9 +3,9 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:fitsSystemWindows="true"
     android:background="@drawable/gradient_background"
     android:fillViewport="true"
+    android:fitsSystemWindows="true"
     tools:context="auth.ProfileFragment">
 
     <LinearLayout
@@ -23,10 +23,10 @@
                 android:layout_height="120dp"
                 android:layout_centerHorizontal="true"
                 android:layout_marginTop="30dp"
+                android:background="@drawable/ic_baseline_account_circle_24"
                 android:contentDescription="@string/user_image"
-                android:src="@drawable/ic_baseline_account_circle_24"
                 android:scaleType="centerCrop"
-                android:background="@drawable/ic_baseline_account_circle_24" />
+                android:src="@drawable/ic_baseline_account_circle_24" />
 
             <TextView
                 android:id="@+id/userName"
@@ -57,16 +57,13 @@
                 android:layout_height="wrap_content"
                 android:layout_alignEnd="@id/profileImage"
                 android:layout_alignBottom="@id/profileImage"
-                android:layout_marginEnd="-19dp"
-                android:layout_marginBottom="-7dp"
+                android:layout_marginEnd="-59dp"
+                android:layout_marginBottom="-2dp"
                 android:backgroundTint="@android:color/transparent"
                 android:contentDescription="@string/edit_profile"
                 android:src="@drawable/baseline_add_circle_24" />
-
         </RelativeLayout>
 
-
-        <!-- Task List -->
         <LinearLayout
             android:id="@+id/taskListAssigned"
             android:layout_width="match_parent"
@@ -110,9 +107,9 @@
                 android:id="@+id/skillsList"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
+                android:layout_marginTop="8dp"
                 android:text="@string/skills"
-                android:textColor="@color/black"
-                android:layout_marginTop="8dp" />
+                android:textColor="@color/black" />
         </LinearLayout>
 
         <LinearLayout
@@ -132,16 +129,16 @@
             <LinearLayout
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
+                android:layout_marginTop="16dp"
                 android:baselineAligned="false"
-                android:orientation="horizontal"
-                android:layout_marginTop="16dp">
+                android:orientation="horizontal">
 
                 <LinearLayout
                     android:layout_width="0dp"
                     android:layout_height="wrap_content"
                     android:layout_weight="1"
-                    android:orientation="vertical"
-                    android:gravity="center">
+                    android:gravity="center"
+                    android:orientation="vertical">
 
                     <TextView
                         android:layout_width="wrap_content"
@@ -163,8 +160,8 @@
                     android:layout_width="0dp"
                     android:layout_height="wrap_content"
                     android:layout_weight="1"
-                    android:orientation="vertical"
-                    android:gravity="center">
+                    android:gravity="center"
+                    android:orientation="vertical">
 
                     <TextView
                         android:layout_width="wrap_content"
@@ -186,8 +183,8 @@
                     android:layout_width="0dp"
                     android:layout_height="wrap_content"
                     android:layout_weight="1"
-                    android:orientation="vertical"
-                    android:gravity="center">
+                    android:gravity="center"
+                    android:orientation="vertical">
 
                     <TextView
                         android:layout_width="wrap_content"
@@ -207,7 +204,6 @@
             </LinearLayout>
         </LinearLayout>
 
-
         <Button
             android:id="@+id/buttonLogout"
             android:layout_width="wrap_content"
diff --git a/app/src/main/res/layout/fragment_search_sub.xml b/app/src/main/res/layout/fragment_search_sub.xml
index dc2cc4c22ecfa2fbfe435fc1f2b8090af0d302af..7368cb780c75d7215aae8d65c9f2823c69a5225a 100644
--- a/app/src/main/res/layout/fragment_search_sub.xml
+++ b/app/src/main/res/layout/fragment_search_sub.xml
@@ -14,6 +14,7 @@
         android:layout_marginStart="16dp"
         android:layout_marginTop="16dp"
         android:background="?attr/selectableItemBackground"
+        android:contentDescription="@string/turn_back"
         android:src="@drawable/baseline_arrow_back_24"
         app:layout_constraintEnd_toStartOf="@id/fragmentTitle"
         app:layout_constraintHorizontal_bias="0.0"
diff --git a/app/src/main/res/layout/fragment_sub_task.xml b/app/src/main/res/layout/fragment_sub_task.xml
index 200cb58d4ffb7bf16f9b03936a7914598781a050..1952eb749dfb4b4e60a296ca7cee361c4d4ee4ee 100644
--- a/app/src/main/res/layout/fragment_sub_task.xml
+++ b/app/src/main/res/layout/fragment_sub_task.xml
@@ -9,8 +9,6 @@
     android:fitsSystemWindows="true"
     tools:context=".task.SubTaskFragment">
 
-    <!-- Freccia per tornare indietro a sinistra del titolo -->
-
     <ImageView
         android:id="@+id/backArrow"
         android:layout_width="32dp"
@@ -18,7 +16,7 @@
         android:layout_marginStart="16dp"
         android:layout_marginTop="22dp"
         android:clickable="true"
-        android:contentDescription="back"
+        android:contentDescription="@string/turn_back"
         android:focusable="true"
         android:gravity="center_horizontal"
         android:src="@drawable/baseline_arrow_back_24"
@@ -70,7 +68,6 @@
         app:layout_constraintStart_toStartOf="parent"
         app:menu="@menu/bottom_nav_menu" />
 
-    <!-- FAB principale -->
     <com.google.android.material.floatingactionbutton.FloatingActionButton
         android:id="@+id/fab_main"
         android:layout_width="wrap_content"
diff --git a/app/src/main/res/layout/fragment_welcome.xml b/app/src/main/res/layout/fragment_welcome.xml
index 55cef3787c609c9d2d592aee03c2b66f8ca9cd19..b696dc872a3b652c18319712fae6a09a878d52f5 100644
--- a/app/src/main/res/layout/fragment_welcome.xml
+++ b/app/src/main/res/layout/fragment_welcome.xml
@@ -9,9 +9,9 @@
 
     <ImageView
         android:id="@+id/logoIcon"
-        android:layout_width="120dp"
-        android:layout_height="120dp"
-        android:layout_marginTop="200dp"
+        android:layout_width="240dp"
+        android:layout_height="240dp"
+        android:layout_marginTop="150dp"
         android:layout_marginBottom="16dp"
         android:contentDescription="@string/app_logo"
         android:src="@drawable/welcome_logo"
diff --git a/app/src/main/res/layout/message_item_sent.xml b/app/src/main/res/layout/message_item_sent.xml
index 00a5eeca154c430e2f2b4907ef55ac1247b40bd2..34c92b36d4983bd16d94c65870044c097c1ab5ae 100644
--- a/app/src/main/res/layout/message_item_sent.xml
+++ b/app/src/main/res/layout/message_item_sent.xml
@@ -16,7 +16,6 @@
         android:textColor="@android:color/white"
         android:textSize="20sp" />
 
-
     <TextView
         android:id="@+id/textTimestamp"
         android:layout_width="wrap_content"
diff --git a/app/src/main/res/values-it/strings.xml b/app/src/main/res/values-it/strings.xml
index f783f3347920ad63afdaad8aa5573d7573ceda37..6d906563b7695d3da8566be617d1324e365fa2ac 100644
--- a/app/src/main/res/values-it/strings.xml
+++ b/app/src/main/res/values-it/strings.xml
@@ -170,4 +170,8 @@
     <string name="fill_all_field">Completa tutti i campi</string>
     <string name="profile_updated">Profilo aggiornato con successo</string>
     <string name="error_updating_profile">Errore aggiornamento profilo</string>
+    <string name="profile_image_saved">Immagine del profilo salvata correttamente"</string>
+    <string name="error_saving_profile_image">Errore salvataggio immagine profilo</string>
+    <string name="error_loading_profile_image">Errore caricamento immagine profilo</string>
+    <string name="task_id_not_found">Task ID non trovato</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/ic_launcher_background.xml b/app/src/main/res/values/ic_launcher_background.xml
index d22d07a86880f368ec9e26bfffeb66cd4ccd0428..0d14600e4d9d5e4d9ba323e2a38e7950a7ad2f43 100644
--- a/app/src/main/res/values/ic_launcher_background.xml
+++ b/app/src/main/res/values/ic_launcher_background.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <color name="ic_launcher_background">#35398F</color>
+    <color name="ic_launcher_background">@android:color/transparent</color>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index d3aabf25465af544e7f1d42c59bee5ccbae713cc..b4eba159e9fd3c1984bec9936a43804d764b563b 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -191,5 +191,8 @@
     <string name="fill_all_field">Fill in all fields</string>
     <string name="profile_updated">Profile updated successfully</string>
     <string name="error_updating_profile">Error updating profile</string>
-
+    <string name="profile_image_saved">Profile image saved successfully"</string>
+    <string name="error_saving_profile_image">Error saving profile image</string>
+    <string name="error_loading_profile_image">Error loading profile image</string>
+    <string name="task_id_not_found">Task ID not found</string>
 </resources>
\ No newline at end of file