navigation en cours

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

@@ -55,6 +55,7 @@ import androidx.compose.ui.text.TextStyle
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
+import com.example.veraxapplication.data.Article
 
 // doc navBar: https://developer.android.com/reference/kotlin/androidx/compose/material3/package-summary#TopAppBar(kotlin.Function0,androidx.compose.ui.Modifier,kotlin.Function0,kotlin.Function1,androidx.compose.foundation.layout.WindowInsets,androidx.compose.material3.TopAppBarColors,androidx.compose.material3.TopAppBarScrollBehavior)
 // doc compose, pleins de trucs: https://developer.android.com/jetpack/compose/text?hl=fr
@@ -179,3 +180,10 @@ fun AffichageUnArticle(article : List<String>){
         }
     }
 }
+
+@Composable
+fun HomeScreen(
+    goToArticle: (Article) -> Unit
+) {
+
+}

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

@@ -0,0 +1,9 @@
+package com.example.veraxapplication.data
+
+import android.media.Image
+
+data class Article(
+    val id: Int,
+    val titre: String,
+    val texte: String
+)

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

@@ -0,0 +1,18 @@
+package com.example.veraxapplication.data
+
+object Stub {
+
+    val Articles: List<Article> by lazy {
+        createArticles()
+    }
+
+    private fun createArticles(): List<Article> {
+
+        return listOf(
+            Article(1, "Titre1", "test du corps de l'article 1"),
+            Article(2, "Titre2", "test du corps de l'article 2"),
+            Article(3, "Titre3", "test du corps de l'article 3"),
+            Article(4, "Titre4", "test du corps de l'article 4")
+        )
+    }
+}

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

@@ -0,0 +1,39 @@
+package com.example.veraxapplication.navigation
+
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.ui.Modifier
+import androidx.navigation.NavType
+import androidx.navigation.compose.NavHost
+import androidx.navigation.compose.composable
+import androidx.navigation.compose.rememberNavController
+import androidx.navigation.navArgument
+import com.example.veraxapplication.HomeScreen
+import com.example.veraxapplication.data.Stub
+
+//https://codefirst.iut.uca.fr/git/Kotlin_Android/Android_TP_2/src/branch/master/app/src/main/java/fr/iut/tp2/navigation/TP2NavHost.kt
+@Composable
+fun NavHost(){
+    val navController = rememberNavController()
+    val articles = Stub.Articles
+
+    NavHost(
+        modifier = Modifier.fillMaxSize(),
+        navController = navController,
+        startDestination = "home"
+    ) {
+
+        composable(route = "home") {
+            HomeScreen(
+                //article = , //recup l article cliqué
+                goToArticle = {
+                    navController.navigate("articleALaUne/${it.id}")
+                }
+            )
+        }
+        composable(
+            route = "articleALaUne/{articleId}",
+            arguments = navArgument("articleALaUne") { type = NavType.LongType })
+    }
+}