diff --git a/Android/app/build.gradle b/Android/app/build.gradle
index 5b7025d..fa8ec02 100644
--- a/Android/app/build.gradle
+++ b/Android/app/build.gradle
@@ -10,7 +10,7 @@ android {
     defaultConfig {
         applicationId "com.example.mathseduc"
         minSdk 21
-        targetSdk 34
+        targetSdk 33
         versionCode 1
         versionName "1.0"
 
@@ -34,7 +34,6 @@ android {
 }
 
 dependencies {
-
     implementation 'androidx.core:core-ktx:1.7.0'
     implementation 'androidx.appcompat:appcompat:1.6.1'
     implementation 'com.google.android.material:material:1.11.0'
@@ -44,4 +43,5 @@ dependencies {
 
     implementation("com.squareup.okhttp3:okhttp:4.10.0")
     implementation("com.google.code.gson:gson:2.10.1")
+    implementation "org.mindrot:jbcrypt:0.4"
 }
\ No newline at end of file
diff --git a/Android/app/src/main/AndroidManifest.xml b/Android/app/src/main/AndroidManifest.xml
index 3f54b3e..5936808 100644
--- a/Android/app/src/main/AndroidManifest.xml
+++ b/Android/app/src/main/AndroidManifest.xml
@@ -22,5 +22,7 @@
         <activity android:name=".MultiActivity" />
         <activity android:name=".ServerDetailsActivity" />
         <activity android:name=".CreateLobbyActivity" />
+        <activity android:name=".ConnexionPlayerActivity" />
+        <activity android:name=".QuizMultiActivity" />
     </application>
 </manifest>
\ No newline at end of file
diff --git a/Android/app/src/main/java/com/example/mathseduc/ConnexionPlayerActivity.kt b/Android/app/src/main/java/com/example/mathseduc/ConnexionPlayerActivity.kt
new file mode 100644
index 0000000..3cb4685
--- /dev/null
+++ b/Android/app/src/main/java/com/example/mathseduc/ConnexionPlayerActivity.kt
@@ -0,0 +1,79 @@
+package com.example.mathseduc
+
+import android.app.AlertDialog
+import android.content.Intent
+import android.os.Bundle
+import android.widget.Button
+import android.widget.EditText
+import android.widget.ImageButton
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import com.example.mathseduc.controllers.ControllerPlayer
+class ConnexionPlayerActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_connexion_player)
+
+        val buttonLogin = findViewById<Button>(R.id.buttonLogin)
+        val editTextNickname = findViewById<EditText>(R.id.editTextNickname)
+        val editTextPassword = findViewById<EditText>(R.id.editTextPassword)
+
+        buttonLogin.setOnClickListener {
+            val nickname = editTextNickname.text.toString()
+            val password = editTextPassword.text.toString()
+
+            val isAuthenticated = ControllerPlayer.authenticateUser(nickname,password)
+            if (isAuthenticated != -1) {
+                // Save authentication status for global accessibility
+                val intent = Intent(this, MainActivity::class.java)
+                startActivity(intent)
+
+                MainActivity.idPlayerConnected = isAuthenticated
+
+                Toast.makeText(this, "Connexion réussi, bienvenue $nickname !", Toast.LENGTH_SHORT).show()
+            } else {
+                // Show an error toast
+                Toast.makeText(this, "Connexion échoué. Veuillez réessayer.", Toast.LENGTH_SHORT).show()
+            }
+        }
+
+        val btnReturn = findViewById<ImageButton>(R.id.btnReturn)
+        val btnRegister = findViewById<Button>(R.id.registerButton)
+
+        btnReturn.setOnClickListener {
+            //val intent = Intent(this, MainActivity::class.java)
+            //startActivity(intent)
+            this.finish();
+        }
+
+        btnRegister.setOnClickListener {
+            showRegisterDialog()
+        }
+    }
+
+    private fun showRegisterDialog() {
+        val builder = AlertDialog.Builder(this)
+        val inflater = layoutInflater
+        val dialogView = inflater.inflate(R.layout.dialog_register, null)
+
+        val etNickname = dialogView.findViewById<EditText>(R.id.nickname)
+        val etPassword = dialogView.findViewById<EditText>(R.id.password)
+        val btnSave = dialogView.findViewById<Button>(R.id.buttonSave)
+        val btnDismiss = dialogView.findViewById<Button>(R.id.buttonDismiss)
+
+        val dialog = builder.setView(dialogView).create()
+
+        btnSave.setOnClickListener {
+            val nickname = etNickname.text.toString()
+            val password = etPassword.text.toString()
+            // Faites quelque chose avec le nom d'utilisateur et le mot de passe
+            dialog.dismiss()
+        }
+
+        btnDismiss.setOnClickListener {
+            dialog.dismiss()
+        }
+
+        dialog.show()
+    }
+}
diff --git a/Android/app/src/main/java/com/example/mathseduc/CreateLobbyActivity.kt b/Android/app/src/main/java/com/example/mathseduc/CreateLobbyActivity.kt
index 0299161..8980582 100644
--- a/Android/app/src/main/java/com/example/mathseduc/CreateLobbyActivity.kt
+++ b/Android/app/src/main/java/com/example/mathseduc/CreateLobbyActivity.kt
@@ -6,6 +6,7 @@ import android.widget.*
 import androidx.appcompat.app.AppCompatActivity
 import com.example.mathseduc.controllers.ControllerChapter
 import com.example.mathseduc.controllers.ControllerLobby
+import com.example.mathseduc.controllers.ControllerUtiliser
 import okhttp3.MultipartBody
 import org.json.JSONObject
 
@@ -51,16 +52,25 @@ class CreateLobbyActivity : AppCompatActivity() {
                 formDataBuilder.addFormDataPart("name", lobbyName)
                 formDataBuilder.addFormDataPart("password", password)
                 formDataBuilder.addFormDataPart("nbplayers", nbPlayers.toString())
-                formDataBuilder.addFormDataPart("idplayercreator", "53")
+                formDataBuilder.addFormDataPart("idplayercreator", MainActivity.idPlayerConnected.toString())
                 formDataBuilder.addFormDataPart("idchapter", idChapter.toString())
                 formDataBuilder.addFormDataPart("difficulty", difficulty.toString())
 
                 // Appeler la fonction pour créer le lobby
-                val lobbyCreatedSuccessfully = ControllerLobby.createLobby(formDataBuilder)
+                val idLobbyCreatedSuccessfully = ControllerLobby.createLobby(formDataBuilder)
 
                 // Vérifier si la création du lobby a réussi
-                if (lobbyCreatedSuccessfully) {
+                if (idLobbyCreatedSuccessfully != -1) {
+                    val formDataBuilder = MultipartBody.Builder().setType(MultipartBody.FORM)
+                    formDataBuilder.addFormDataPart("idplayer", MainActivity.idPlayerConnected.toString())
+                    formDataBuilder.addFormDataPart("idlobby", idLobbyCreatedSuccessfully.toString())
+                    formDataBuilder.addFormDataPart("playertime", "0")
+
+                    ControllerUtiliser.createUtiliserByIdLobby(formDataBuilder)
+
                     val intent = Intent(this, ServerDetailsActivity::class.java)
+                    intent.putExtra("serverName", lobbyName)
+                    intent.putExtra("lobbyId", idLobbyCreatedSuccessfully)
                     startActivity(intent)
                 } else {
                     Toast.makeText(this, "Échec de la création du lobby. Veuillez réessayer.", Toast.LENGTH_SHORT).show()
diff --git a/Android/app/src/main/java/com/example/mathseduc/MainActivity.kt b/Android/app/src/main/java/com/example/mathseduc/MainActivity.kt
index 311a7f3..1645d32 100644
--- a/Android/app/src/main/java/com/example/mathseduc/MainActivity.kt
+++ b/Android/app/src/main/java/com/example/mathseduc/MainActivity.kt
@@ -3,24 +3,43 @@ package com.example.mathseduc
 import android.content.Intent
 import android.os.Bundle
 import android.widget.Button
+import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
 
 class MainActivity : AppCompatActivity() {
+    companion object {
+        var idPlayerConnected: Int = -1
+    }
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
 
-        var btnSolo = findViewById<Button>(R.id.btnSolo)
-        var btnMulti = findViewById<Button>(R.id.btnMulti)
+        val btnSolo = findViewById<Button>(R.id.btnSolo)
+        val btnMulti = findViewById<Button>(R.id.btnMulti)
+        val btnConnexion = findViewById<Button>(R.id.btnConnexion)
 
         btnSolo.setOnClickListener {
             // Traitement pour le bouton Solo
             // Vous pouvez ajouter le code correspondant ici
+            val intent = Intent(this, QuizMultiActivity::class.java)
+            startActivity(intent)
         }
 
         btnMulti.setOnClickListener {
-            val intent = Intent(this, MultiActivity::class.java)
+            if (MainActivity.idPlayerConnected != -1){
+                val intent = Intent(this, MultiActivity::class.java)
+                startActivity(intent)
+            }
+            else {
+                Toast.makeText(this, "Vous n'êtes pas connecté", Toast.LENGTH_SHORT).show()
+                val intent = Intent(this, ConnexionPlayerActivity::class.java)
+                startActivity(intent)
+            }
+        }
+
+        btnConnexion.setOnClickListener {
+            val intent = Intent(this, ConnexionPlayerActivity::class.java)
             startActivity(intent)
         }
     }
diff --git a/Android/app/src/main/java/com/example/mathseduc/MultiActivity.kt b/Android/app/src/main/java/com/example/mathseduc/MultiActivity.kt
index 307c18a..a90f1d4 100644
--- a/Android/app/src/main/java/com/example/mathseduc/MultiActivity.kt
+++ b/Android/app/src/main/java/com/example/mathseduc/MultiActivity.kt
@@ -3,20 +3,26 @@ package com.example.mathseduc
 import android.content.Context
 import android.content.Intent
 import android.os.Bundle
+import android.os.Handler
+import android.os.Looper
 import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import android.widget.ArrayAdapter
-import android.widget.Button
-import android.widget.ListView
-import android.widget.TextView
+import android.widget.*
 import androidx.appcompat.app.AppCompatActivity
+import com.example.mathseduc.controllers.ControllerChapter
 import com.example.mathseduc.controllers.ControllerLobby
+import com.example.mathseduc.controllers.ControllerUtiliser
 import com.example.mathseduc.models.Lobby
+import okhttp3.MultipartBody
 
 class MultiActivity : AppCompatActivity() {
 
+    private lateinit var lobbyAdapter: LobbyAdapter
+    private val handler = Handler(Looper.getMainLooper())
+    private val refreshInterval: Long = 3000 // Refresh every 3 seconds
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_multi)
@@ -29,14 +35,30 @@ class MultiActivity : AppCompatActivity() {
 
             val listView = findViewById<ListView>(R.id.listView)
 
-            val adapter = LobbyAdapter(this, serverList)
-            listView.adapter = adapter
+            lobbyAdapter = LobbyAdapter(this, serverList)
+            listView.adapter = lobbyAdapter
 
             listView.setOnItemClickListener { _, _, position, _ ->
-                val intent = Intent(this, ServerDetailsActivity::class.java)
-                intent.putExtra("serverName", serverList[position].name)
-                startActivity(intent)
+                if (ControllerLobby.getNbPlayerInLobby(serverList[position].id) < serverList[position].nbplayers) {
+                    val formDataBuilder = MultipartBody.Builder().setType(MultipartBody.FORM)
+                    formDataBuilder.addFormDataPart("idplayer", MainActivity.idPlayerConnected.toString())
+                    formDataBuilder.addFormDataPart("idlobby", serverList[position].id.toString())
+                    formDataBuilder.addFormDataPart("playertime", "0")
+
+                    ControllerUtiliser.createUtiliserByIdLobby(formDataBuilder)
+
+                    val intent = Intent(this, ServerDetailsActivity::class.java)
+                    intent.putExtra("serverName", serverList[position].name)
+                    intent.putExtra("lobbyId", serverList[position].id)
+                    startActivity(intent)
+                } else {
+                    Toast.makeText(this, "Oh nan, le serveur est déjà plein ! Réessayer plus tard.", Toast.LENGTH_SHORT).show()
+                }
             }
+
+            // Schedule periodic refresh using Handler and Runnable
+            handler.postDelayed(refreshRunnable, refreshInterval)
+
         } else {
             Log.e("MultiActivity", "Error fetching server list")
         }
@@ -45,14 +67,43 @@ class MultiActivity : AppCompatActivity() {
             val intent = Intent(this, CreateLobbyActivity::class.java)
             startActivity(intent)
         }
+
+        val btnReturn = findViewById<ImageButton>(R.id.btnReturn)
+
+        btnReturn.setOnClickListener {
+            //val intent = Intent(this, MainActivity::class.java)
+            //startActivity(intent)
+            finish()
+        }
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        // Remove callbacks to prevent memory leaks
+        handler.removeCallbacks(refreshRunnable)
+    }
+
+    private val refreshRunnable: Runnable = object : Runnable {
+        override fun run() {
+            // Refresh the server list
+            val serverList = ControllerLobby.getLobbies()
+            if (serverList != null) {
+                lobbyAdapter.clear()
+                lobbyAdapter.addAll(serverList)
+                lobbyAdapter.notifyDataSetChanged()
+            }
+            // Schedule the next refresh
+            handler.postDelayed(this, refreshInterval)
+        }
     }
 
-    class LobbyAdapter(context: Context, lobbies: ArrayList<Lobby>): ArrayAdapter<Lobby>(context, 0, lobbies), View.OnClickListener {
+    class LobbyAdapter(context: Context, lobbies: ArrayList<Lobby>) :
+        ArrayAdapter<Lobby>(context, 0, lobbies), View.OnClickListener {
 
         private val mContext: Context
         private val mLobbies: ArrayList<Lobby>
 
-        private var selectedItem = -1;
+        private var selectedItem = -1
 
         // Get Access to Context and Data Array
         init {
@@ -73,8 +124,6 @@ class MultiActivity : AppCompatActivity() {
         }
 
         override fun getView(position: Int, convertView: View?, parent: ViewGroup): View {
-            //return super.getView(position, convertView, parent)
-
             var currentLobbyView = convertView
             if (currentLobbyView == null) {
                 currentLobbyView =
@@ -87,33 +136,19 @@ class MultiActivity : AppCompatActivity() {
             val difficulty = currentLobbyView!!.findViewById<TextView>(R.id.difficulty)
 
             name.text = mLobbies[position].name
-            nbplayers.text = mLobbies[position].nbplayers.toString()
-            idchapter.text = mLobbies[position].idchapter.toString()
+            nbplayers.text = ControllerLobby.getNbPlayerInLobby(mLobbies[position].id).toString() + "/" + mLobbies[position].nbplayers.toString()
+            idchapter.text = ControllerChapter.getChapterNameById(mLobbies[position].idchapter)
             difficulty.text = mLobbies[position].difficulty.toString()
 
-            // Visual Feedback for Selection
-            /*
-            if (selectedItem == position)
-                currentLobbyView.setBackgroundColor(Color.rgb(255, 255, 128))
-            else
-                currentLobbyView.setBackgroundColor(Color.rgb(255, 255, 192))
-
-            if (mProducts[position].prixht != null)
-                pxht.text = "%.2f".format(mLobbies[position].prixht.toFloat()) + "€ HT"
-            else
-                pxht.text = "Gratuit !"
-             */
-
             return currentLobbyView
         }
 
-        public fun setSelectedItem(position: Int) {
+        fun setSelectedItem(position: Int) {
             selectedItem = position
-            notifyDataSetChanged();
+            notifyDataSetChanged()
         }
 
-        public fun getSelectedItem(): Lobby? {
-
+        fun getSelectedItem(): Lobby? {
             if (selectedItem != -1)
                 return mLobbies[selectedItem]
             else
diff --git a/Android/app/src/main/java/com/example/mathseduc/QuizMultiActivity.kt b/Android/app/src/main/java/com/example/mathseduc/QuizMultiActivity.kt
new file mode 100644
index 0000000..222247e
--- /dev/null
+++ b/Android/app/src/main/java/com/example/mathseduc/QuizMultiActivity.kt
@@ -0,0 +1,68 @@
+package com.example.mathseduc
+
+import android.os.Bundle
+import android.os.CountDownTimer
+import android.widget.Button
+import android.widget.ProgressBar
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import com.example.mathseduc.controllers.ControllerLobby
+import com.example.mathseduc.controllers.ControllerQuestion
+
+class QuizMultiActivity : AppCompatActivity() {
+
+    private lateinit var countDownTimer: CountDownTimer
+
+    var progressBarValue : Int = 0
+    var chronoValue : Int = 0
+
+
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_quiz_multi)
+
+        val lobbyId = intent.getIntExtra("lobbyId", -1)
+
+        var progressBar1 = findViewById<ProgressBar>(R.id.progressBar1)
+        var chrono = findViewById<ProgressBar>(R.id.chrono)
+
+        progressBar1.max = 100
+        chrono.max = 30
+
+        val toto = ControllerQuestion.getQuestionsForLobby(ControllerLobby.getIdQuestionsLobby(lobbyId))
+
+        var incrementeButton = findViewById<Button>(R.id.buttonValider)
+
+        // Initialiser le CountDownTimer
+        countDownTimer = object : CountDownTimer(30*1000, 1000) {
+            override fun onTick(millisUntilFinished: Long) {
+                // Incrémenter la valeur de la ProgressBar chaque seconde
+                chronoValue++
+                chrono.progress = chronoValue
+                progressBarValue++
+                progressBar1.progress = progressBarValue
+                
+            }
+
+            override fun onFinish() {
+                // Code à exécuter lorsque le timer est terminé
+            }
+        }
+
+        incrementeButton.setOnClickListener {
+            progressBarValue += 10
+            progressBar1.progress = progressBarValue
+        }
+
+        // Démarrer le CountDownTimer
+        countDownTimer.start()
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        // Arrêter le CountDownTimer pour éviter les fuites de mémoire
+        countDownTimer.cancel()
+    }
+
+}
\ No newline at end of file
diff --git a/Android/app/src/main/java/com/example/mathseduc/ServerDetailsActivity.kt b/Android/app/src/main/java/com/example/mathseduc/ServerDetailsActivity.kt
index 277f246..95dcbf3 100644
--- a/Android/app/src/main/java/com/example/mathseduc/ServerDetailsActivity.kt
+++ b/Android/app/src/main/java/com/example/mathseduc/ServerDetailsActivity.kt
@@ -1,20 +1,159 @@
 package com.example.mathseduc
 
+import android.content.Context
+import android.content.Intent
 import android.os.Bundle
+import android.os.Handler
+import android.os.Looper
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ArrayAdapter
+import android.widget.Button
+import android.widget.ListView
 import android.widget.TextView
+import androidx.activity.OnBackPressedCallback
 import androidx.appcompat.app.AppCompatActivity
+import com.example.mathseduc.controllers.ControllerLobby
+import com.example.mathseduc.controllers.ControllerPlayer
+import com.example.mathseduc.controllers.ControllerUtiliser
+import com.example.mathseduc.models.Player
+import okhttp3.MultipartBody
 
 class ServerDetailsActivity : AppCompatActivity() {
 
+    private var playerList: List<Player> = emptyList()
+    private lateinit var playerAdapter: PlayerAdapter
+    private val handler = Handler(Looper.getMainLooper())
+    private val refreshInterval: Long = 2000
+
+    private val onBackPressedCallback: OnBackPressedCallback = object : OnBackPressedCallback(true) {
+        override fun handleOnBackPressed() {
+            myBackPressed()
+        }
+    }
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
+        onBackPressedDispatcher.addCallback(this, onBackPressedCallback)
         setContentView(R.layout.activity_server_details)
 
         val serverName = intent.getStringExtra("serverName")
 
-        // Now you can use the data as needed, for example, display it in a TextView
         val serverNameTextView = findViewById<TextView>(R.id.titleServerDetails)
         serverNameTextView.text = serverName
 
+        val lobbyId = intent.getIntExtra("lobbyId", -1)
+
+        if (savedInstanceState != null) {
+            playerList = savedInstanceState?.getParcelableArrayList("playerList") ?: emptyList()
+        } else {
+            val playerId = ControllerPlayer.getPlayersIdFromLobbyId(lobbyId)
+            if (playerId != null) {
+                playerList = playerId.mapNotNull { playerId ->
+                    ControllerPlayer.getPlayerInfoById(playerId.toString())
+                }
+            }
+        }
+
+        val listViewPlayers = findViewById<ListView>(R.id.listViewPlayers)
+        playerAdapter = PlayerAdapter(this, playerList)
+        listViewPlayers.adapter = playerAdapter
+
+        handler.postDelayed(refreshRunnable, refreshInterval)
+
+        val btnLaunchQuiz = findViewById<Button>(R.id.btnLaunchQuiz)
+
+        if (ControllerLobby.playerCreatorIdPresentInLobby(MainActivity.idPlayerConnected, lobbyId)) {
+            btnLaunchQuiz.visibility = View.VISIBLE
+            btnLaunchQuiz.setOnClickListener {
+
+                val formDataBuilder = MultipartBody.Builder().setType(MultipartBody.FORM)
+                formDataBuilder.addFormDataPart("launched", "1")
+
+                ControllerLobby.updateLobbyLauched(lobbyId,formDataBuilder)
+
+                val intent = Intent(this, QuizMultiActivity::class.java)
+                intent.putExtra("lobbyId", lobbyId)
+                startActivity(intent)
+            }
+        } else {
+            btnLaunchQuiz.visibility = View.GONE
+        }
+    }
+
+    override fun onSaveInstanceState(outState: Bundle) {
+        super.onSaveInstanceState(outState)
+        outState.putParcelableArrayList("playerList", ArrayList(playerList))
+    }
+
+    private val refreshRunnable: Runnable = object : Runnable {
+        override fun run() {
+            val lobbyId = intent.getIntExtra("lobbyId", -1)
+
+            val playerId = ControllerPlayer.getPlayersIdFromLobbyId(lobbyId)
+            if (playerId != null) {
+                playerList = playerId.mapNotNull { playerId ->
+                    ControllerPlayer.getPlayerInfoById(playerId.toString())
+                }
+                playerAdapter.clear()
+                playerAdapter.addAll(playerList)
+                playerAdapter.notifyDataSetChanged()
+            }
+
+            val btnLaunchQuiz = findViewById<Button>(R.id.btnLaunchQuiz)
+
+            if (ControllerLobby.playerCreatorIdPresentInLobby(MainActivity.idPlayerConnected, lobbyId)) {
+                btnLaunchQuiz.visibility = View.VISIBLE
+            } else {
+                btnLaunchQuiz.visibility = View.GONE
+            }
+
+            if(ControllerLobby.lobbyIsLaunched(lobbyId)){
+                val intent = Intent(this@ServerDetailsActivity, QuizMultiActivity::class.java)
+                intent.putExtra("lobbyId", lobbyId)
+                startActivity(intent)
+                return
+            }
+
+            handler.postDelayed(this, refreshInterval)
+        }
+    }
+
+    private fun myBackPressed() {
+        val lobbyId = intent.getIntExtra("lobbyId", -1)
+
+        ControllerUtiliser.DeleteUtiliserForLobby(MainActivity.idPlayerConnected, lobbyId)
+
+        if (ControllerLobby.playerCreatorIdPresentInLobby(MainActivity.idPlayerConnected, lobbyId)) {
+            val idNextPlayerCreator = ControllerUtiliser.getIdNextPlayerInLobby(lobbyId)
+
+            if (idNextPlayerCreator == -1) {
+                ControllerLobby.deleteLobby(lobbyId)
+            } else {
+                val formDataBuilder = MultipartBody.Builder().setType(MultipartBody.FORM)
+                formDataBuilder.addFormDataPart("idplayercreator", idNextPlayerCreator.toString())
+                ControllerLobby.updateLobbyIdCreatorLobby(lobbyId, formDataBuilder)
+            }
+        }
+        handler.removeCallbacks(refreshRunnable)
+        finish()
+    }
+
+    class PlayerAdapter(context: Context, players: List<Player>) :
+        ArrayAdapter<Player>(context, 0, players) {
+
+        override fun getView(position: Int, convertView: View?, parent: ViewGroup): View {
+            var currentPlayerView = convertView
+            if (currentPlayerView == null) {
+                currentPlayerView =
+                    LayoutInflater.from(context).inflate(R.layout.list_view_player, parent, false)
+            }
+
+            val playerNameTextView = currentPlayerView!!.findViewById<TextView>(R.id.playerName)
+            playerNameTextView.text = getItem(position)?.nickname ?: "Unknown"
+
+            return currentPlayerView
+        }
     }
-}
\ No newline at end of file
+}
diff --git a/Android/app/src/main/java/com/example/mathseduc/controllers/ControllerChapter.kt b/Android/app/src/main/java/com/example/mathseduc/controllers/ControllerChapter.kt
index 00e2d99..38e8bb5 100644
--- a/Android/app/src/main/java/com/example/mathseduc/controllers/ControllerChapter.kt
+++ b/Android/app/src/main/java/com/example/mathseduc/controllers/ControllerChapter.kt
@@ -39,5 +39,34 @@ class ControllerChapter {
 
             return null
         }
+
+        fun getChapterNameById(idchapter : Int): String? {
+
+            val policy = StrictMode.ThreadPolicy.Builder().permitAll().build()
+            StrictMode.setThreadPolicy(policy)
+
+            // Client HTTP API
+            val client = OkHttpClient()
+
+            // API Access
+            val request = Request.Builder()
+                .url("https://trusting-panini.87-106-126-109.plesk.page/api/chapters/$idchapter/qUOGkWdoPCgbmuqxIC8xiaX0rV1Pw1LoPafkaoHOgszEyD9P2vcOu493xCDZpAqO")
+                .build()
+
+            // API Response
+            client.newCall(request).execute().use { response ->
+                if (!response.isSuccessful) throw IOException("Unexpected code $response")
+
+                // Gson deserialization
+                val gson = Gson()
+                val typeTokenProduct = object : TypeToken<ArrayList<Chapter>>() {}.type
+
+                // Parse API response and return the list of chapters
+                val chapter: ArrayList<Chapter> = gson.fromJson(response.body!!.string(), typeTokenProduct)
+                return chapter[0].name
+            }
+
+            return null
+        }
     }
 }
\ No newline at end of file
diff --git a/Android/app/src/main/java/com/example/mathseduc/controllers/ControllerLobby.kt b/Android/app/src/main/java/com/example/mathseduc/controllers/ControllerLobby.kt
index d76ba0b..29f0384 100644
--- a/Android/app/src/main/java/com/example/mathseduc/controllers/ControllerLobby.kt
+++ b/Android/app/src/main/java/com/example/mathseduc/controllers/ControllerLobby.kt
@@ -3,13 +3,14 @@ package com.example.mathseduc.controllers
 import android.os.StrictMode
 import android.util.Log
 import com.example.mathseduc.models.Lobby
+import com.example.mathseduc.models.Utiliser
 import com.google.gson.Gson
 import com.google.gson.reflect.TypeToken
-import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.MultipartBody
 import okhttp3.OkHttpClient
 import okhttp3.Request
-import okhttp3.RequestBody.Companion.toRequestBody
+import okhttp3.Response
+import org.json.JSONObject
 import java.io.IOException
 
 
@@ -25,7 +26,7 @@ class ControllerLobby {
 
             // API Access
             val request = Request.Builder()
-                .url("https://trusting-panini.87-106-126-109.plesk.page/api/all/lobbies/qUOGkWdoPCgbmuqxIC8xiaX0rV1Pw1LoPafkaoHOgszEyD9P2vcOu493xCDZpAqO/1")
+                .url("https://trusting-panini.87-106-126-109.plesk.page/api/all/lobbies/qUOGkWdoPCgbmuqxIC8xiaX0rV1Pw1LoPafkaoHOgszEyD9P2vcOu493xCDZpAqO")
                 .build()
 
             // API Response
@@ -41,11 +42,43 @@ class ControllerLobby {
             return null
         }
 
-        fun createLobby(lobbyData: MultipartBody.Builder): Boolean {
-            try {
-                // Log avant l'appel API
-                Log.d("CreateLobby", "Request Data: ${lobbyData.toString()}")
+        fun getIdQuestionsLobby(idLobby: Int): ArrayList<String> {
+            val policy = StrictMode.ThreadPolicy.Builder().permitAll().build()
+            StrictMode.setThreadPolicy(policy)
+
+            // Client HTTP API
+            val client = OkHttpClient()
+
+            // API Access
+            val request = Request.Builder()
+                .url("https://trusting-panini.87-106-126-109.plesk.page/api/propose/$idLobby/qUOGkWdoPCgbmuqxIC8xiaX0rV1Pw1LoPafkaoHOgszEyD9P2vcOu493xCDZpAqO")
+                .build()
+
+            // API Response
+            client.newCall(request).execute().use { response ->
+                if (!response.isSuccessful) throw IOException("Unexpected code $response")
+
+                // Gson deserialization
+                val gson = Gson()
+                val typeTokenProduct = object : TypeToken<ArrayList<Map<String, String>>>() {}.type
+
+                val questionList: ArrayList<Map<String, String>> = gson.fromJson(response.body!!.string(), typeTokenProduct)
 
+                // Extracting question IDs
+                val idList = ArrayList<String>()
+                for (question in questionList) {
+                    val id = question["idquestion"]
+                    if (id != null) {
+                        idList.add(id)
+                    }
+                }
+
+                return idList
+            }
+        }
+
+        fun createLobby(lobbyData: MultipartBody.Builder): Int {
+            try {
                 val policy = StrictMode.ThreadPolicy.Builder().permitAll().build()
                 StrictMode.setThreadPolicy(policy)
 
@@ -60,19 +93,184 @@ class ControllerLobby {
 
                 // API Response
                 client.newCall(request).execute().use { response ->
-                    // Log après la réponse API
-                    Log.d("CreateLobby", "Response Code: ${response.code}")
-                    Log.d("CreateLobby", "Response Body: ${response.body?.string()}")
+                    if (response.isSuccessful) {
+                        // Si la réponse est réussie, extraire l'ID du lobby du corps de la réponse JSON
+                        val responseBody = response.body?.string()
+                        val jsonObject = JSONObject(responseBody)
 
-                    // Vérifier si la création du lobby a réussi
-                    return response.isSuccessful
+                        // Retourner l'ID du lobby
+                        return jsonObject.optInt("lobby_id", -1)
+                    }
                 }
             } catch (e: Exception) {
                 // Log en cas d'erreur
                 Log.e("CreateLobby", "Error creating lobby", e)
-                return false
             }
+            return -1
+        }
+
+        fun playerCreatorIdPresentInLobby(idPlayer: Int, lobbyId: Int): Boolean {
+
+            val policy = StrictMode.ThreadPolicy.Builder().permitAll().build()
+            StrictMode.setThreadPolicy(policy)
+
+            // Client HTTP API
+            val client = OkHttpClient()
+
+            // API Access
+            val request = Request.Builder()
+                .url("https://trusting-panini.87-106-126-109.plesk.page/api/lobbies/$lobbyId/qUOGkWdoPCgbmuqxIC8xiaX0rV1Pw1LoPafkaoHOgszEyD9P2vcOu493xCDZpAqO")
+                .build()
+
+            // API Response
+            client.newCall(request).execute().use { response ->
+                if (!response.isSuccessful) throw IOException("Unexpected code $response")
+
+                // Gson deserialization
+                val gson = Gson()
+                val typeTokenProduct = object : TypeToken<ArrayList<Lobby>>() {}.type
+
+                val lobby: ArrayList<Lobby> = gson.fromJson(response.body!!.string(), typeTokenProduct)
+                return lobby[0].idplayercreator == idPlayer
+            }
+            return false
         }
 
+        fun deleteLobby(lobbyId: Int) {
+            try {
+                val policy = StrictMode.ThreadPolicy.Builder().permitAll().build()
+                StrictMode.setThreadPolicy(policy)
+
+                // Client HTTP API
+                val client = OkHttpClient()
+
+                // API Access - Suppression du lobby
+                val deleteRequest = Request.Builder()
+                    .url("https://trusting-panini.87-106-126-109.plesk.page/api/lobbies/$lobbyId/qUOGkWdoPCgbmuqxIC8xiaX0rV1Pw1LoPafkaoHOgszEyD9P2vcOu493xCDZpAqO")
+                    .delete()
+                    .build()
+
+                // API Response
+                val deleteResponse: Response = client.newCall(deleteRequest).execute()
+
+                // Vérifier si la suppression a réussi
+                if (!deleteResponse.isSuccessful) {
+                    Log.e("deleteLobby", "Error deleting lobby")
+                }
+            } catch (e: Exception) {
+                // Log en cas d'erreur
+                Log.e("deleteLobby", "Error deleting lobby", e)
+            }
+        }
+
+        fun updateLobbyIdCreatorLobby(lobbyId: Int,lobbyData: MultipartBody.Builder) {
+            try {
+                val policy = StrictMode.ThreadPolicy.Builder().permitAll().build()
+                StrictMode.setThreadPolicy(policy)
+
+                // Client HTTP API
+                val client = OkHttpClient()
+
+                // API Access - Mise à jour du lobby
+                val updateRequest = Request.Builder()
+                    .url("https://trusting-panini.87-106-126-109.plesk.page/api/update/lobbies/idplayercreator/$lobbyId/qUOGkWdoPCgbmuqxIC8xiaX0rV1Pw1LoPafkaoHOgszEyD9P2vcOu493xCDZpAqO")
+                    // Ajoutez d'autres paramètres ou données pour la mise à jour si nécessaire
+                    .post(lobbyData.build()) //TODO attention api pb
+                    .build()
+
+                // API Response
+                val updateResponse: Response = client.newCall(updateRequest).execute()
+
+                // Vérifier si la mise à jour a réussi
+                if (!updateResponse.isSuccessful) {
+                    Log.e("updateLobby", "Error updating lobby")
+                }
+            } catch (e: Exception) {
+                // Log en cas d'erreur
+                Log.e("updateLobby", "Error updating lobby", e)
+            }
+        }
+
+        fun updateLobbyLauched(lobbyId: Int,lobbyData: MultipartBody.Builder) {
+            try {
+                val policy = StrictMode.ThreadPolicy.Builder().permitAll().build()
+                StrictMode.setThreadPolicy(policy)
+
+                // Client HTTP API
+                val client = OkHttpClient()
+
+                // API Access - Mise à jour du lobby
+                val updateRequest = Request.Builder()
+                    .url("https://trusting-panini.87-106-126-109.plesk.page/api/update/lobbies/launched/$lobbyId/qUOGkWdoPCgbmuqxIC8xiaX0rV1Pw1LoPafkaoHOgszEyD9P2vcOu493xCDZpAqO")
+                    // Ajoutez d'autres paramètres ou données pour la mise à jour si nécessaire
+                    .post(lobbyData.build()) //TODO attention api pb
+                    .build()
+
+                // API Response
+                val updateResponse: Response = client.newCall(updateRequest).execute()
+
+                // Vérifier si la mise à jour a réussi
+                if (!updateResponse.isSuccessful) {
+                    Log.e("updateLobby", "Error updating lobby")
+                }
+            } catch (e: Exception) {
+                // Log en cas d'erreur
+                Log.e("updateLobby", "Error updating lobby", e)
+            }
+        }
+
+        fun getNbPlayerInLobby(lobbyId: Int): Int {
+
+            val policy = StrictMode.ThreadPolicy.Builder().permitAll().build()
+            StrictMode.setThreadPolicy(policy)
+
+            // Client HTTP API
+            val client = OkHttpClient()
+
+            // API Access
+            val request = Request.Builder()
+                .url("https://trusting-panini.87-106-126-109.plesk.page/api/utiliser/$lobbyId/qUOGkWdoPCgbmuqxIC8xiaX0rV1Pw1LoPafkaoHOgszEyD9P2vcOu493xCDZpAqO")
+                .build()
+
+            // API Response
+            client.newCall(request).execute().use { response ->
+                if (!response.isSuccessful) throw IOException("Unexpected code $response")
+
+                // Gson deserialization
+                val gson = Gson()
+                val typeTokenProduct = object : TypeToken<ArrayList<Utiliser>>() {}.type
+
+                val utiliser: ArrayList<Utiliser> = gson.fromJson(response.body!!.string(), typeTokenProduct)
+                return utiliser.size
+            }
+            return -1
+        }
+
+        fun lobbyIsLaunched(lobbyId: Int): Boolean {
+
+            val policy = StrictMode.ThreadPolicy.Builder().permitAll().build()
+            StrictMode.setThreadPolicy(policy)
+
+            // Client HTTP API
+            val client = OkHttpClient()
+
+            // API Access
+            val request = Request.Builder()
+                .url("https://trusting-panini.87-106-126-109.plesk.page/api/lobbies/$lobbyId/qUOGkWdoPCgbmuqxIC8xiaX0rV1Pw1LoPafkaoHOgszEyD9P2vcOu493xCDZpAqO")
+                .build()
+
+            // API Response
+            client.newCall(request).execute().use { response ->
+                if (!response.isSuccessful) throw IOException("Unexpected code $response")
+
+                // Gson deserialization
+                val gson = Gson()
+                val typeTokenProduct = object : TypeToken<ArrayList<Lobby>>() {}.type
+
+                val lobby: ArrayList<Lobby> = gson.fromJson(response.body!!.string(), typeTokenProduct)
+                return lobby[0].launched == 1
+            }
+            return false
+        }
     }
 }
\ No newline at end of file
diff --git a/Android/app/src/main/java/com/example/mathseduc/controllers/ControllerPlayer.kt b/Android/app/src/main/java/com/example/mathseduc/controllers/ControllerPlayer.kt
new file mode 100644
index 0000000..57c41a0
--- /dev/null
+++ b/Android/app/src/main/java/com/example/mathseduc/controllers/ControllerPlayer.kt
@@ -0,0 +1,102 @@
+package com.example.mathseduc.controllers
+
+import android.os.StrictMode
+import com.example.mathseduc.models.*
+import com.google.gson.Gson
+import com.google.gson.reflect.TypeToken
+import okhttp3.FormBody
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import org.mindrot.jbcrypt.BCrypt
+import java.io.IOException
+
+class ControllerPlayer {
+    companion object {
+
+        fun getPlayersIdFromLobbyId(lobbyId: Int): List<Int>? {
+            val policy = StrictMode.ThreadPolicy.Builder().permitAll().build()
+            StrictMode.setThreadPolicy(policy)
+
+            val client = OkHttpClient()
+
+            val request = Request.Builder()
+                .url("https://trusting-panini.87-106-126-109.plesk.page/api/utiliser/$lobbyId/qUOGkWdoPCgbmuqxIC8xiaX0rV1Pw1LoPafkaoHOgszEyD9P2vcOu493xCDZpAqO")
+                .build()
+
+            client.newCall(request).execute().use { response ->
+                if (!response.isSuccessful) throw IOException("Unexpected code $response")
+
+                val gson = Gson()
+                val typeTokenProduct = object : TypeToken<List<Utiliser>>() {}.type
+
+                val playerInfoList: List<Utiliser> = gson.fromJson(response.body!!.string(), typeTokenProduct)
+
+                // Extract player IDs from PlayerInfo list
+                val playerIds: List<Int> = playerInfoList.map { it.idplayer }
+
+                return playerIds
+            }
+
+            return null
+        }
+
+        fun getPlayerInfoById(playerId: String): Player? {
+            val policy = StrictMode.ThreadPolicy.Builder().permitAll().build()
+            StrictMode.setThreadPolicy(policy)
+
+            val client = OkHttpClient()
+
+            val request = Request.Builder()
+                .url("https://trusting-panini.87-106-126-109.plesk.page/api/players/$playerId/qUOGkWdoPCgbmuqxIC8xiaX0rV1Pw1LoPafkaoHOgszEyD9P2vcOu493xCDZpAqO")
+                .build()
+
+            client.newCall(request).execute().use { response ->
+                if (!response.isSuccessful) throw IOException("Unexpected code $response")
+
+                val gson = Gson()
+                val playerInfo: List<Player> = gson.fromJson(response.body!!.string(), object : TypeToken<List<Player>>() {}.type)
+
+                // Assuming the API returns a list even for a single player, we take the first item
+                return playerInfo.firstOrNull()
+            }
+
+            return null
+        }
+        fun authenticateUser(nickname: String, password: String): Int {
+
+            val policy = StrictMode.ThreadPolicy.Builder().permitAll().build()
+            StrictMode.setThreadPolicy(policy)
+
+            // Client HTTP API
+            val client = OkHttpClient()
+
+            // API Access
+            val request = Request.Builder()
+                .url("https://trusting-panini.87-106-126-109.plesk.page/api/verif/player/$nickname/qUOGkWdoPCgbmuqxIC8xiaX0rV1Pw1LoPafkaoHOgszEyD9P2vcOu493xCDZpAqO")
+                .build()
+
+            // API Response
+            client.newCall(request).execute().use { response ->
+                if (response.isSuccessful) {
+                    val responseData = response.body?.string()
+
+                    // Use Gson to parse the JSON response
+                    val gson = Gson()
+                    val playerListType = object : TypeToken<List<Player>>() {}.type
+                    val playerList: List<Player> = gson.fromJson(responseData, playerListType)
+
+                    // Check if the list is not empty
+                    if (playerList.isNotEmpty()) {
+                        val storedPasswordHash = playerList[0].password
+
+                        // Use BCrypt to check if the provided password matches the stored hash
+                        if(BCrypt.checkpw(password, storedPasswordHash)){
+                            return playerList[0].id
+                        }
+                    }
+                }
+            }
+            return -1
+        }
+    }
+}
\ No newline at end of file
diff --git a/Android/app/src/main/java/com/example/mathseduc/controllers/ControllerQuestion.kt b/Android/app/src/main/java/com/example/mathseduc/controllers/ControllerQuestion.kt
new file mode 100644
index 0000000..cae5b68
--- /dev/null
+++ b/Android/app/src/main/java/com/example/mathseduc/controllers/ControllerQuestion.kt
@@ -0,0 +1,63 @@
+package com.example.mathseduc.controllers
+
+import android.os.StrictMode
+import android.util.Log
+import com.example.mathseduc.models.Lobby
+import com.example.mathseduc.models.Question
+import com.example.mathseduc.models.Utiliser
+import com.google.gson.Gson
+import com.google.gson.reflect.TypeToken
+import okhttp3.MultipartBody
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import okhttp3.Response
+import org.json.JSONObject
+import java.io.IOException
+
+
+class ControllerQuestion {
+    companion object {
+        fun getQuestionsForLobby(questionIds: ArrayList<String>): List<Question>? {
+            val questions = ArrayList<Question>()
+
+            for (questionId in questionIds) {
+                val question = getQuestionById(questionId)
+                if (question != null) {
+                    questions.add(question)
+                }
+            }
+
+            return if (questions.isNotEmpty()) questions else null
+        }
+
+        private fun getQuestionById(questionId: String): Question? {
+            val policy = StrictMode.ThreadPolicy.Builder().permitAll().build()
+            StrictMode.setThreadPolicy(policy)
+
+            // Client HTTP API
+            val client = OkHttpClient()
+
+            // API Access
+            val request = Request.Builder()
+                .url("https://trusting-panini.87-106-126-109.plesk.page/api/questions/$questionId/qUOGkWdoPCgbmuqxIC8xiaX0rV1Pw1LoPafkaoHOgszEyD9P2vcOu493xCDZpAqO")
+                .build()
+
+            // API Response
+            client.newCall(request).execute().use { response ->
+                if (!response.isSuccessful) {
+                    // Handle error, log, or throw an exception as needed
+                    return null
+                }
+
+                // Gson deserialization
+                val gson = Gson()
+                val typeTokenProduct = object : TypeToken<ArrayList<Question>>() {}.type
+
+                val question: ArrayList<Question> = gson.fromJson(response.body!!.string(), typeTokenProduct)
+
+                // Assuming the API returns a list with a single question
+                return if (question.isNotEmpty()) question[0] else null
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Android/app/src/main/java/com/example/mathseduc/controllers/ControllerUtiliser.kt b/Android/app/src/main/java/com/example/mathseduc/controllers/ControllerUtiliser.kt
new file mode 100644
index 0000000..37ed6cc
--- /dev/null
+++ b/Android/app/src/main/java/com/example/mathseduc/controllers/ControllerUtiliser.kt
@@ -0,0 +1,100 @@
+package com.example.mathseduc.controllers
+
+import android.os.StrictMode
+import android.util.Log
+import com.example.mathseduc.models.Lobby
+import com.example.mathseduc.models.Utiliser
+import com.google.gson.Gson
+import com.google.gson.reflect.TypeToken
+import okhttp3.MultipartBody
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import okhttp3.Response
+import java.io.IOException
+
+class ControllerUtiliser {
+    companion object {
+
+        fun createUtiliserByIdLobby(utiliserData: MultipartBody.Builder): Boolean {
+            try {
+                val policy = StrictMode.ThreadPolicy.Builder().permitAll().build()
+                StrictMode.setThreadPolicy(policy)
+
+                // Client HTTP API
+                val client = OkHttpClient()
+
+                // API Access
+                val request = Request.Builder()
+                    .url("https://trusting-panini.87-106-126-109.plesk.page/api/add/utiliser/qUOGkWdoPCgbmuqxIC8xiaX0rV1Pw1LoPafkaoHOgszEyD9P2vcOu493xCDZpAqO")
+                    .post(utiliserData.build())
+                    .build()
+
+                // API Response
+                client.newCall(request).execute().use { response ->
+                    // Vérifier si la création du lobby a réussi
+                    return response.isSuccessful
+                }
+            } catch (e: Exception) {
+                // Log en cas d'erreur
+                Log.e("CreateLobby", "Error creating lobby", e)
+                return false
+            }
+        }
+
+        fun DeleteUtiliserForLobby(idPlayerConnected: Int, lobbyId: Int): Boolean {
+            try {
+                val policy = StrictMode.ThreadPolicy.Builder().permitAll().build()
+                StrictMode.setThreadPolicy(policy)
+
+                // Client HTTP API
+                val client = OkHttpClient()
+
+                // API Access
+                val request = Request.Builder()
+                    .url("https://trusting-panini.87-106-126-109.plesk.page/api/delete/utiliser/$lobbyId/$idPlayerConnected/qUOGkWdoPCgbmuqxIC8xiaX0rV1Pw1LoPafkaoHOgszEyD9P2vcOu493xCDZpAqO")
+                    .delete()
+                    .build()
+
+                // API Response
+                val response: Response = client.newCall(request).execute()
+
+                // Vérifier si la suppression a réussi
+                return response.isSuccessful
+            } catch (e: Exception) {
+                // Log en cas d'erreur
+                Log.e("DeleteUtiliser", "Error deleting utiliser", e)
+                return false
+            }
+        }
+        fun getIdNextPlayerInLobby(lobbyId: Int): Int {
+
+            val policy = StrictMode.ThreadPolicy.Builder().permitAll().build()
+            StrictMode.setThreadPolicy(policy)
+
+            // Client HTTP API
+            val client = OkHttpClient()
+
+            // API Access
+            val request = Request.Builder()
+                .url("https://trusting-panini.87-106-126-109.plesk.page/api/utiliser/$lobbyId/qUOGkWdoPCgbmuqxIC8xiaX0rV1Pw1LoPafkaoHOgszEyD9P2vcOu493xCDZpAqO")
+                .build()
+
+            // API Response
+            client.newCall(request).execute().use { response ->
+                if (!response.isSuccessful) throw IOException("Unexpected code $response")
+
+                // Gson deserialization
+                val gson = Gson()
+                val typeTokenProduct = object : TypeToken<ArrayList<Utiliser>>() {}.type
+
+                val utiliser: ArrayList<Utiliser> = gson.fromJson(response.body!!.string(), typeTokenProduct)
+                if (utiliser.isNotEmpty()){
+                    return utiliser[0].idplayer
+                } else {
+                    return -1
+                }
+            }
+            return -1
+        }
+    }
+}
diff --git a/Android/app/src/main/java/com/example/mathseduc/models/Lobby.kt b/Android/app/src/main/java/com/example/mathseduc/models/Lobby.kt
index f3e8735..73b8e81 100644
--- a/Android/app/src/main/java/com/example/mathseduc/models/Lobby.kt
+++ b/Android/app/src/main/java/com/example/mathseduc/models/Lobby.kt
@@ -1,11 +1,12 @@
 package com.example.mathseduc.models
 
 data class Lobby(
-    val id: String,
+    val id: Int,
     val name: String,
     val password: String,
     val nbplayers: Int,
     val idplayercreator: Int,
     val idchapter: Int,
-    val difficulty: Int
+    val difficulty: Int,
+    val launched: Int
 )
\ No newline at end of file
diff --git a/Android/app/src/main/java/com/example/mathseduc/models/Player.kt b/Android/app/src/main/java/com/example/mathseduc/models/Player.kt
new file mode 100644
index 0000000..b094e32
--- /dev/null
+++ b/Android/app/src/main/java/com/example/mathseduc/models/Player.kt
@@ -0,0 +1,36 @@
+package com.example.mathseduc.models
+
+import android.os.Parcel
+import android.os.Parcelable
+
+data class Player(
+    val id: Int,
+    val nickname: String,
+    val password: String
+) : Parcelable {
+    constructor(parcel: Parcel) : this(
+        parcel.readInt(),
+        parcel.readString() ?: "",
+        parcel.readString() ?: ""
+    )
+
+    override fun writeToParcel(parcel: Parcel, flags: Int) {
+        parcel.writeInt(id)
+        parcel.writeString(nickname)
+        parcel.writeString(password)
+    }
+
+    override fun describeContents(): Int {
+        return 0
+    }
+
+    companion object CREATOR : Parcelable.Creator<Player> {
+        override fun createFromParcel(parcel: Parcel): Player {
+            return Player(parcel)
+        }
+
+        override fun newArray(size: Int): Array<Player?> {
+            return arrayOfNulls(size)
+        }
+    }
+}
\ No newline at end of file
diff --git a/Android/app/src/main/java/com/example/mathseduc/models/Question.kt b/Android/app/src/main/java/com/example/mathseduc/models/Question.kt
new file mode 100644
index 0000000..52cfde9
--- /dev/null
+++ b/Android/app/src/main/java/com/example/mathseduc/models/Question.kt
@@ -0,0 +1,10 @@
+package com.example.mathseduc.models
+
+data class Question(
+    val id: Int,
+    val content: String,
+    val nbfails: Int,
+    val difficulty: Int,
+    val idchapter: Int,
+    val idanswergood: Int,
+)
\ No newline at end of file
diff --git a/Android/app/src/main/java/com/example/mathseduc/models/Utiliser.kt b/Android/app/src/main/java/com/example/mathseduc/models/Utiliser.kt
new file mode 100644
index 0000000..f998cb0
--- /dev/null
+++ b/Android/app/src/main/java/com/example/mathseduc/models/Utiliser.kt
@@ -0,0 +1,7 @@
+package com.example.mathseduc.models
+
+data class Utiliser (
+    val idlobby: Int,
+    val idplayer: Int,
+    val playertime: Int
+)
diff --git a/Android/app/src/main/res/drawable/arrow_back.png b/Android/app/src/main/res/drawable/arrow_back.png
new file mode 100644
index 0000000..351de9f
Binary files /dev/null and b/Android/app/src/main/res/drawable/arrow_back.png differ
diff --git a/Android/app/src/main/res/drawable/arrow_back_small.png b/Android/app/src/main/res/drawable/arrow_back_small.png
new file mode 100644
index 0000000..ab26d2f
Binary files /dev/null and b/Android/app/src/main/res/drawable/arrow_back_small.png differ
diff --git a/Android/app/src/main/res/drawable/arrow_small.png b/Android/app/src/main/res/drawable/arrow_small.png
new file mode 100644
index 0000000..b3bb29e
Binary files /dev/null and b/Android/app/src/main/res/drawable/arrow_small.png differ
diff --git a/Android/app/src/main/res/drawable/chrono.xml b/Android/app/src/main/res/drawable/chrono.xml
new file mode 100644
index 0000000..53e36e8
--- /dev/null
+++ b/Android/app/src/main/res/drawable/chrono.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item android:id="@android:id/background">
+        <shape android:shape="ring"
+            android:thickness="10dp"
+            android:useLevel="false">
+
+            <solid android:color="@color/black"/>
+
+        </shape>
+    </item>
+
+    <item android:id="@+id/chrono">
+
+        <shape android:shape="ring"
+            android:thickness="10dp"
+            android:useLevel="true">
+
+            <solid android:color="@color/white"/>
+
+        </shape>
+
+
+    </item>
+
+</layer-list>
\ No newline at end of file
diff --git a/Android/app/src/main/res/drawable/left_arrow.png b/Android/app/src/main/res/drawable/left_arrow.png
new file mode 100644
index 0000000..e875641
Binary files /dev/null and b/Android/app/src/main/res/drawable/left_arrow.png differ
diff --git a/Android/app/src/main/res/drawable/question_border.xml b/Android/app/src/main/res/drawable/question_border.xml
new file mode 100644
index 0000000..434fbd1
--- /dev/null
+++ b/Android/app/src/main/res/drawable/question_border.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+
+    <!-- View border color and width -->
+    <stroke
+        android:width="1dp"
+        android:color="@color/white" >
+    </stroke>
+
+    <!-- The radius makes the corners rounded -->
+    <corners
+        android:radius="2dp"   >
+    </corners>
+
+</shape>
\ No newline at end of file
diff --git a/Android/app/src/main/res/drawable/rounded_corner.xml b/Android/app/src/main/res/drawable/rounded_corner.xml
new file mode 100644
index 0000000..ade94df
--- /dev/null
+++ b/Android/app/src/main/res/drawable/rounded_corner.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid android:color="@color/white" />
+    <corners android:radius="10dp" />
+    <stroke android:width="1dp"
+    android:color="@color/grey"/>
+</shape>
\ No newline at end of file
diff --git a/Android/app/src/main/res/layout/activity_connexion_player.xml b/Android/app/src/main/res/layout/activity_connexion_player.xml
new file mode 100644
index 0000000..cd2a55c
--- /dev/null
+++ b/Android/app/src/main/res/layout/activity_connexion_player.xml
@@ -0,0 +1,112 @@
+<?xml version="1.0" encoding="utf-8"?>
+<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"
+    android:layout_height="match_parent"
+    tools:context=".ConnexionPlayerActivity">
+    <!--<Button
+        android:id="@+id/btnReturn"
+        android:layout_width="100dp"
+        android:layout_height="100dp"
+        android:layout_gravity="start"
+        android:layout_marginTop="16dp"
+        android:text="@string/fleche"
+        android:background="@android:color/transparent"
+        android:textSize="70sp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.051"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />-->
+
+    <ImageButton
+        android:id="@+id/btnReturn"
+        android:layout_width="50dp"
+        android:layout_height="50dp"
+        android:layout_gravity="start"
+        android:layout_marginTop="16dp"
+        android:background="@drawable/arrow_small"
+        android:scaleType="center"
+        android:contentDescription="@string/retour"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.030"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:padding="25dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:ignore="MissingConstraints">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginBottom="15dp"
+            android:fontFamily="@font/math_educ_font"
+            android:text="@string/connexion"
+            android:textColor="@color/white"
+            android:textSize="50sp" />
+
+        <!--<TextView
+        android:id="@+id/errorTextView"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="15dp"
+        android:text=""
+        android:textAlignment="center"
+        android:textColor="@android:color/holo_red_dark"
+        android:textSize="20sp" /> -->
+
+        <EditText
+            android:id="@+id/editTextNickname"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:autofillHints=""
+            android:background="@drawable/rounded_corner"
+            android:hint="@string/nom_d_utilisateur"
+            android:inputType="text"
+            android:minHeight="50dp"
+            android:padding="8dp"
+            tools:ignore="RtlSymmetry" />
+
+        <EditText
+            android:id="@+id/editTextPassword"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginTop="15dp"
+            android:autofillHints=""
+            android:background="@drawable/rounded_corner"
+            android:hint="@string/mot_de_passe"
+            android:inputType="textPassword"
+            android:minHeight="50dp"
+            android:padding="8dp"
+            tools:ignore="RtlSymmetry" />
+
+        <Button
+            android:id="@+id/buttonLogin"
+            android:layout_width="wrap_content"
+            android:layout_height="55dp"
+            android:layout_gravity="center"
+            android:layout_marginTop="13dp"
+            android:backgroundTint="@color/turquoise"
+            android:text="@string/se_connecter" />
+
+        <Button
+            android:id="@+id/registerButton"
+            android:layout_width="wrap_content"
+            android:layout_height="55dp"
+            android:layout_gravity="center"
+            android:layout_marginTop="3dp"
+            android:backgroundTint="@color/blue"
+            android:text="@string/s_inscrire" />
+    </LinearLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/Android/app/src/main/res/layout/activity_main.xml b/Android/app/src/main/res/layout/activity_main.xml
index b1179fb..762baed 100644
--- a/Android/app/src/main/res/layout/activity_main.xml
+++ b/Android/app/src/main/res/layout/activity_main.xml
@@ -3,42 +3,51 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:gravity="center"
     android:orientation="vertical"
-    tools:context=".MainActivity"
-    android:gravity="center">
+    android:weightSum="10"
+    tools:context=".MainActivity">
 
-    <ImageView
-        android:id="@+id/background_image"
-        android:layout_width="165dp"
-        android:layout_height="138dp"
-        android:layout_gravity="center_horizontal"
-        android:layout_marginTop="30dp"
-        android:contentDescription="@string/app_name"
-        android:scaleType="centerCrop"
-        android:src="@drawable/logo" />
+
+    <FrameLayout
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_weight="1">
+
+        <ImageView
+            android:id="@+id/background_image"
+            android:layout_width="160dp"
+            android:layout_height="130dp"
+            android:layout_gravity="center"
+            android:contentDescription="@string/app_name"
+            android:scaleType="centerCrop"
+            android:src="@drawable/logo" />
+    </FrameLayout>
 
 
     <Button
         android:id="@+id/btnSolo"
         android:layout_width="370dp"
-        android:layout_height="90dp"
-        android:layout_marginTop="40dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="0.25"
         android:backgroundTint="@color/green"
         android:text="@string/solo" />
 
     <Button
         android:id="@+id/btnMulti"
         android:layout_width="370dp"
-        android:layout_height="90dp"
-        android:layout_marginTop="30dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="0.25"
+        android:layout_marginTop="10dp"
         android:backgroundTint="@color/orange"
         android:text="@string/multiplayer" />
 
     <Button
         android:id="@+id/btnConnexion"
         android:layout_width="200dp"
-        android:layout_height="60dp"
-        android:layout_marginTop="50dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="0.25"
+        android:layout_marginTop="10dp"
         android:backgroundTint="@color/grey"
         android:text="@string/connexion" />
 
diff --git a/Android/app/src/main/res/layout/activity_multi.xml b/Android/app/src/main/res/layout/activity_multi.xml
index dd63d46..2b66deb 100644
--- a/Android/app/src/main/res/layout/activity_multi.xml
+++ b/Android/app/src/main/res/layout/activity_multi.xml
@@ -6,42 +6,55 @@
     android:orientation="vertical"
     tools:context=".MultiActivity">
 
-    <Button
+    <ImageButton
         android:id="@+id/btnReturn"
-        android:layout_width="100dp"
-        android:layout_height="60dp"
-        android:layout_marginTop="15dp"
-        android:layout_marginStart="20dp"
-        android:backgroundTint="@color/grey"
+        android:layout_width="50dp"
+        android:layout_height="50dp"
         android:layout_gravity="start"
-        android:text="@string/retour" />
+        android:layout_marginTop="16dp"
+        android:background="@drawable/arrow_small"
+        android:scaleType="center"
+        android:contentDescription="@string/retour"
+        android:layout_marginStart="15dp"/>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="horizontal"
+        android:layout_marginVertical="10dp">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="20dp"
+            android:layout_weight="95"
+            android:layout_gravity="center"
+            android:fontFamily="@font/math_educ_font"
+            android:text="@string/listLobbies"
+            android:textColor="@color/white"
+            android:textSize="40sp" />
+
+        <Button
+            android:id="@+id/btnAddLobby"
+            android:layout_width="140dp"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:layout_marginEnd="20dp"
+            android:layout_weight="5"
+            android:backgroundTint="@color/blue"
+            android:text="@string/addLobby" />
+
+    </LinearLayout>
 
-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="50dp"
-        android:fontFamily="@font/math_educ_font"
-        android:layout_marginTop="30dp"
-        android:layout_marginStart="20dp"
-        android:text="@string/listLobbies"
-        android:textColor="@color/white"
-        android:textSize="40sp" />
-
-    <Button
-        android:id="@+id/btnAddLobby"
-        android:layout_width="140dp"
-        android:layout_height="60dp"
-        android:layout_marginTop="5dp"
-        android:backgroundTint="@color/blue"
-        android:layout_gravity="end"
-        android:layout_marginEnd="15dp"
-        android:text="@string/addLobby" />
 
     <include layout="@layout/header_list_lobby" />
 
     <ListView
         android:id="@+id/listView"
         android:layout_width="match_parent"
-        android:layout_height="524dp"
+        android:layout_height="0dp"
+        android:layout_weight="85"
         android:background="@color/white" />
 
+
 </LinearLayout>
diff --git a/Android/app/src/main/res/layout/activity_quiz_multi.xml b/Android/app/src/main/res/layout/activity_quiz_multi.xml
new file mode 100644
index 0000000..1a44e15
--- /dev/null
+++ b/Android/app/src/main/res/layout/activity_quiz_multi.xml
@@ -0,0 +1,204 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <ProgressBar
+        android:id="@+id/progressBar1"
+        android:layout_weight="0.05"
+        style="?android:attr/progressBarStyleHorizontal"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"/>
+
+    <ProgressBar
+        android:id="@+id/progressBar2"
+        android:layout_weight="0.05"
+        style="?android:attr/progressBarStyleHorizontal"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
+
+    <ProgressBar
+        android:id="@+id/progressBar3"
+        android:layout_weight="0.05"
+        style="?android:attr/progressBarStyleHorizontal"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
+
+    <ProgressBar
+        android:id="@+id/progressBar4"
+        android:layout_weight="0.05"
+        style="?android:attr/progressBarStyleHorizontal"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
+
+
+    <ProgressBar
+        android:id="@+id/chrono"
+        android:layout_weight="0.05"
+        android:paddingHorizontal="10dp"
+        style="?android:attr/progressBarStyle"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:indeterminateOnly="false"
+        android:rotation="-90"
+        android:progressDrawable="@drawable/chrono"/>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:paddingVertical="20dp"
+        android:orientation="horizontal">
+
+        <Space
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1" />
+
+        <TextView
+            android:id="@+id/textView"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_gravity="center"
+            android:background="@drawable/question_border"
+            android:gravity="center"
+            android:text="Question"
+            android:layout_weight="5"
+            android:textColor="@color/white"
+            android:textSize="20sp" />
+
+        <Space
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:paddingBottom="10dp"
+            android:orientation="horizontal">
+
+            <Space
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="0.25" />
+
+            <Button
+                android:id="@+id/button"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:backgroundTint="@color/blue"
+                android:text="Answer1" />
+
+            <Space
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="0.5" />
+
+            <Button
+                android:id="@+id/button2"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:backgroundTint="@color/green"
+                android:text="Answer2" />
+
+            <Space
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="0.25" />
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal">
+
+            <Space
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="0.25" />
+
+            <Button
+                android:id="@+id/button3"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:backgroundTint="@color/orange"
+                android:text="Answer3" />
+
+            <Space
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="0.5" />
+
+            <Button
+                android:id="@+id/button4"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:backgroundTint="@color/purple_500"
+                android:text="Answer4" />
+
+            <Space
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="0.25" />
+
+        </LinearLayout>
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1"
+        android:gravity="center"
+        android:orientation="horizontal">
+
+        <Space
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1" />
+
+
+        <Button
+            android:id="@+id/buttonPasser"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:backgroundTint="@color/red"
+            android:text="Passer" />
+
+        <Space
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="0.25" />
+
+
+        <Button
+            android:id="@+id/buttonValider"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:backgroundTint="@color/green"
+            android:text="Valider" />
+
+        <Space
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1" />
+
+
+    </LinearLayout>
+
+</LinearLayout>
\ No newline at end of file
diff --git a/Android/app/src/main/res/layout/activity_server_details.xml b/Android/app/src/main/res/layout/activity_server_details.xml
index f4b412c..5b3ad16 100644
--- a/Android/app/src/main/res/layout/activity_server_details.xml
+++ b/Android/app/src/main/res/layout/activity_server_details.xml
@@ -2,15 +2,35 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:paddingLeft="16dp"
+    android:paddingTop="16dp"
+    android:paddingRight="16dp"
+    android:paddingBottom="16dp"
     tools:context=".ServerDetailsActivity">
 
     <TextView
         android:id="@+id/titleServerDetails"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_centerInParent="true"
+        android:layout_weight="1"
+        android:text="LobbyTitle"
         android:textColor="@color/white"
-        android:text="Bonjour depuis le serveur"
-        android:textSize="18sp"/>
-</LinearLayout>
\ No newline at end of file
+        android:textSize="20dp"
+        android:paddingBottom="16dp"
+        android:layout_gravity="center"/>
+
+    <ListView
+        android:id="@+id/listViewPlayers"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="75"
+        android:background="@color/white" />
+
+    <Button
+        android:id="@+id/btnLaunchQuiz"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"/>
+</LinearLayout>
+
diff --git a/Android/app/src/main/res/layout/dialog_register.xml b/Android/app/src/main/res/layout/dialog_register.xml
new file mode 100644
index 0000000..fa5b562
--- /dev/null
+++ b/Android/app/src/main/res/layout/dialog_register.xml
@@ -0,0 +1,90 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+    <LinearLayout 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="350dp"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:background="@drawable/rounded_corner"
+        android:layout_gravity="center">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:layout_marginBottom="15dp"
+            android:paddingTop="2dp"
+            android:fontFamily="@font/math_educ_font"
+            android:text="@string/creer_compte"
+            android:textColor="@color/black"
+            android:textSize="40sp"/>
+
+        <!--<TextView
+            android:id="@+id/errorTextView"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="15dp"
+            android:text=""
+            android:textAlignment="center"
+            android:textColor="@android:color/holo_red_dark"
+            android:textSize="20sp" /> -->
+
+        <EditText
+            android:id="@+id/nickname"
+            android:layout_width="320dp"
+            android:layout_height="wrap_content"
+            android:background="@drawable/rounded_corner"
+            android:hint="@string/nom_d_utilisateur"
+            android:layout_gravity="center_horizontal"
+            android:paddingStart="8dp"
+            android:inputType="text"
+            android:minHeight="50dp"
+            android:autofillHints=""
+            tools:ignore="RtlSymmetry" />
+
+        <EditText
+            android:id="@+id/password"
+            android:layout_width="320dp"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="18dp"
+            android:background="@drawable/rounded_corner"
+            android:layout_gravity="center_horizontal"
+            android:hint="@string/mot_de_passe"
+            android:inputType="textPassword"
+            android:minHeight="50dp"
+            android:paddingStart="8dp"
+            android:autofillHints=""
+            tools:ignore="RtlSymmetry" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:gravity="end"
+        android:layout_marginTop="15dp">
+
+        <Button
+            android:id="@+id/buttonDismiss"
+            android:layout_width="wrap_content"
+            android:layout_height="55dp"
+            android:layout_marginEnd="10dp"
+            android:backgroundTint="@color/blackgrey"
+            android:text="@string/fermer"
+            android:textColor="@color/white"
+            style="?android:attr/buttonBarButtonStyle" />
+
+        <Button
+            android:id="@+id/buttonSave"
+            android:layout_width="wrap_content"
+            android:layout_height="55dp"
+            android:layout_marginEnd="15dp"
+            android:backgroundTint="@color/blue"
+            android:text="@string/enregistrer"
+            android:textColor="@color/white"
+            style="?android:attr/buttonBarButtonStyle" />
+
+    </LinearLayout>
+
+
+</LinearLayout>
\ No newline at end of file
diff --git a/Android/app/src/main/res/layout/list_view_lobby.xml b/Android/app/src/main/res/layout/list_view_lobby.xml
index ba17876..c795019 100644
--- a/Android/app/src/main/res/layout/list_view_lobby.xml
+++ b/Android/app/src/main/res/layout/list_view_lobby.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
-    android:layout_height="60dp" >
+    android:layout_height="45dp" >
 
     <LinearLayout
         android:layout_width="match_parent"
@@ -18,34 +18,34 @@
             android:layout_weight="0.4"
             android:gravity="left|center_vertical"
             android:text="Name"
-            android:textSize="16dp" />
+            android:textSize="18dp" />
 
         <TextView
-            android:id="@+id/nbplayers"
+            android:id="@+id/difficulty"
             android:layout_width="0dp"
             android:layout_weight="0.2"
             android:layout_height="match_parent"
-            android:gravity="center|bottom"
-            android:textSize="10dp"
-            android:text="NbPlayers"/>
+            android:gravity="center"
+            android:textSize="14dp"
+            android:text="Difficulty"/>
 
         <TextView
-            android:id="@+id/difficulty"
+            android:id="@+id/idchapter"
             android:layout_width="0dp"
             android:layout_weight="0.2"
             android:layout_height="match_parent"
-            android:gravity="center|bottom"
-            android:textSize="10dp"
-            android:text="Difficulty"/>
+            android:gravity="center"
+            android:textSize="14dp"
+            android:text="idChapter"/>
 
         <TextView
-            android:id="@+id/idchapter"
+            android:id="@+id/nbplayers"
             android:layout_width="0dp"
             android:layout_weight="0.2"
             android:layout_height="match_parent"
-            android:gravity="center|center_vertical"
-            android:textSize="10dp"
-            android:text="idChapter"/>
+            android:gravity="center"
+            android:textSize="14dp"
+            android:text="NbPlayers"/>
 
     </LinearLayout>
 
diff --git a/Android/app/src/main/res/layout/list_view_player.xml b/Android/app/src/main/res/layout/list_view_player.xml
new file mode 100644
index 0000000..653eedc
--- /dev/null
+++ b/Android/app/src/main/res/layout/list_view_player.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="60dp" >
+
+    <!-- res/layout/list_view_player.xml -->
+    <TextView
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:id="@+id/playerName"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:padding="16dp"
+        android:textSize="18sp"
+        android:textColor="@color/black"/>
+
+
+</FrameLayout>
+
diff --git a/Android/app/src/main/res/values/colors.xml b/Android/app/src/main/res/values/colors.xml
index e6e69b1..390fba9 100644
--- a/Android/app/src/main/res/values/colors.xml
+++ b/Android/app/src/main/res/values/colors.xml
@@ -11,4 +11,8 @@
     <color name="orange">#FFA500</color>
     <color name="grey">#8C92AC</color>
     <color name="blue">#0d6efd</color>
+    <color name="red">#FF0000</color>
+    <color name="blackgrey">#5c636a</color>
+    <color name="cyan">#00FFFF</color>
+    <color name="turquoise">#40E0D0</color>
 </resources>
\ No newline at end of file
diff --git a/Android/app/src/main/res/values/strings.xml b/Android/app/src/main/res/values/strings.xml
index 56433bf..5582426 100644
--- a/Android/app/src/main/res/values/strings.xml
+++ b/Android/app/src/main/res/values/strings.xml
@@ -11,6 +11,14 @@
     <string name="listLobbies">Liste des lobbies</string>
     <string name="difficulty_prompt">Selectionne la difficulty</string>
     <string name="chapter_prompt">Selectionne un chapter</string>
+    <string name="se_connecter">Se connecter</string>
+    <string name="mot_de_passe">Mot de passe</string>
+    <string name="s_inscrire">S\'inscrire</string>
+    <string name="nom_d_utilisateur">Nom d\'utilisateur</string>
+    <string name="creer_compte">Créer son compte</string>
+    <string name="fermer">Fermer</string>
+    <string name="enregistrer">Enregistrer</string>
+    <string name="fleche">←</string>
 
     <string-array name="difficulty_array">
         <item>Facile</item>
diff --git a/Android/app/src/main/res/values/themes.xml b/Android/app/src/main/res/values/themes.xml
index c5970b1..c67e381 100644
--- a/Android/app/src/main/res/values/themes.xml
+++ b/Android/app/src/main/res/values/themes.xml
@@ -1,6 +1,6 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Theme.MathsEduc" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+    <style name="Theme.MathsEduc" parent="Theme.MaterialComponents.DayNight.NoActionBar">
         <!-- Primary brand color. -->
         <item name="colorPrimary">@color/purple_500</item>
         <item name="colorPrimaryVariant">@color/purple_700</item>
@@ -14,5 +14,6 @@
         <!-- Customize your theme here. -->
         <item name="android:windowBackground">@drawable/background</item>
         <!--<item name="android:fontFamily">@font/math_educ_font</item> -->
+        <item name="android:homeAsUpIndicator"></item>
     </style>
 </resources>
\ No newline at end of file