j'ai modifié les dépendances

Android/VeraxApplication/app/build.gradle.kts

@@ -60,10 +60,12 @@ dependencies {
     implementation ("androidx.compose.runtime:runtime-livedata:1.0.0-alpha07")
 
 
-    implementation("androidx.core:core-ktx:1.12.0")
-    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.7.0")
-    implementation("androidx.activity:activity-compose:1.8.2")
-    implementation("androidx.navigation:navigation-compose:2.7.7")
+    implementation("androidx.core:core-ktx:1.10.1")
+    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.6.1")
+    implementation("androidx.activity:activity-compose:1.7.0")
+    implementation("androidx.navigation:navigation-compose:2.4.0-alpha08")
+
+    implementation ("com.squareup.okhttp3:logging-interceptor:4.9.1")
 
     // Jetpack Compose
     implementation("androidx.compose.ui:ui:1.6.4")

Android/VeraxApplication/app/src/main/java/com/example/veraxapplication/MainActivity.kt

@@ -1,8 +1,14 @@
 package com.example.veraxapplication
 
+import ArticlesViewModel
 import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.livedata.observeAsState
+import androidx.lifecycle.viewmodel.compose.viewModel
 import com.example.veraxapplication.articles.IArticlesDataManager
 import com.example.veraxapplication.articles.StubArticles
 import com.example.veraxapplication.ui.topBar.TopBarVerax
@@ -16,22 +22,37 @@ import com.example.veraxapplication.ui.topBar.TopBarVerax
 
 class MainActivity : ComponentActivity() {
 
+    class MainActivity : ComponentActivity() {
+
+        override fun onCreate(savedInstanceState: Bundle?) {
+            super.onCreate(savedInstanceState)
+            setContent {
+                VeraxContent()
+            }
+        }
+    }
+}
+
+@Composable
+fun VeraxContent() {
+
+
+    // Initialiser les données ou observer les données du ViewModel
     var dataManager: IArticlesDataManager = StubArticles()
     var articles = dataManager.getDerniersArticles(4)
 
+    // Observer les données du ViewModel
+    val articlesViewModel: ArticlesViewModel = viewModel()
 
-    var theme = listOf("Economique", "Culture", "Politique", "Faits divers")
+    // Observez les articles du ViewModel
+    val articlesApi by articlesViewModel.articles.observeAsState(initial = articles)
 
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        setContent {
 
+    var theme = listOf("Economique", "Culture", "Politique", "Faits divers")
 
-            // TopBarVerax(theme = theme, articles = articlesApi)
-            TopBarVerax(theme = theme, articles = articles)
+    Text(text = "Coucou")
+    TopBarVerax(articles = articlesApi, theme = theme)
 
-            // VeraxNavHost()
+    // VeraxNavHost()
 
-        }
-    }
 }