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 6d0ed8c..10dba31 100644
--- a/Android/app/src/main/java/com/example/mathseduc/MainActivity.kt
+++ b/Android/app/src/main/java/com/example/mathseduc/MainActivity.kt
@@ -31,6 +31,8 @@ class MainActivity : AppCompatActivity() {
             }
             else {
                 Toast.makeText(this, "Vous n'êtes pas connecté", Toast.LENGTH_SHORT).show()
+                val intent = Intent(this, ConnexionPlayerActivity::class.java)
+                startActivity(intent)
             }
         }
 
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 d4e6208..a42b135 100644
--- a/Android/app/src/main/java/com/example/mathseduc/ServerDetailsActivity.kt
+++ b/Android/app/src/main/java/com/example/mathseduc/ServerDetailsActivity.kt
@@ -9,8 +9,11 @@ import android.widget.ArrayAdapter
 import android.widget.ListView
 import android.widget.TextView
 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() {
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -35,6 +38,29 @@ class ServerDetailsActivity : AppCompatActivity() {
         }
     }
 
+    override fun onStop() {
+        super.onStop()
+
+        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)
+            }
+        }
+    }
+
     class PlayerAdapter(context: Context, players: List<Player>) :
         ArrayAdapter<Player>(context, 0, players) {
 
@@ -52,6 +78,5 @@ class ServerDetailsActivity : AppCompatActivity() {
 
             return currentPlayerView
         }
-
     }
 }
\ 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 76d1fd6..06093ea 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
@@ -8,6 +8,7 @@ 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
 
@@ -71,5 +72,87 @@ class ControllerLobby {
             }
             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/idcreatorlobby/$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)
+            }
+        }
     }
 }
\ 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
index 858fa2d..37ed6cc 100644
--- a/Android/app/src/main/java/com/example/mathseduc/controllers/ControllerUtiliser.kt
+++ b/Android/app/src/main/java/com/example/mathseduc/controllers/ControllerUtiliser.kt
@@ -3,11 +3,13 @@ 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 {
@@ -39,5 +41,60 @@ class ControllerUtiliser {
             }
         }
 
+        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
+        }
     }
 }