Impl nested navGraph

app/src/main/java/dev/devunion/myportfolio/MainActivity.kt

@@ -7,9 +7,8 @@ import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
 import androidx.navigation.NavHostController
 import androidx.navigation.compose.rememberNavController
-import dev.devunion.myportfolio.navigation.MainNavGraph
 import dev.devunion.myportfolio.navigation.RootNav
-import dev.devunion.myportfolio.navigation.Screens
+import dev.devunion.myportfolio.navigation.ScreenRoutes
 
 class MainActivity : ComponentActivity() {
 
@@ -23,26 +22,26 @@ class MainActivity : ComponentActivity() {
             RootNav(
                 navController = navController
             )
-            val currentApiVersion = Build.VERSION.SDK_INT
-            if (currentApiVersion < Build.VERSION_CODES.S) {
-                navigateToSplashScreen()
-            }
+//            val currentApiVersion = Build.VERSION.SDK_INT
+//            if (currentApiVersion < Build.VERSION_CODES.S) {
+//                navigateToSplashScreen()
+//            }
         }
     }
 
     private fun navigateToSplashScreen() {
         navController.popBackStack()
-        navController.navigate(route = Screens.SplashScreen.route)
+        navController.navigate(route = ScreenRoutes.SplashScreen.route)
     }
 
 
     private fun navigateToMainScreen() {
         navController.popBackStack()
-        navController.navigate(route = Screens.MainScreen.route)
+        navController.navigate(route = ScreenRoutes.MainScreen.route)
     }
 
     private fun navigateToLoginScreen() {
         navController.popBackStack()
-        navController.navigate(route = Screens.LoginScreen.route)
+        navController.navigate(route = ScreenRoutes.LoginScreen.route)
     }
 }

app/src/main/java/dev/devunion/myportfolio/models/BottomNavItems.kt

@@ -0,0 +1,25 @@
+package dev.devunion.myportfolio.models
+
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.outlined.Home
+import androidx.compose.ui.graphics.vector.ImageVector
+import dev.devunion.myportfolio.R
+import dev.devunion.myportfolio.navigation.ScreenRoutes
+
+sealed class BottomNavItems(
+    val title: String,
+    val route: String,
+    val icon: ImageVector
+) {
+    data object HomeItem : BottomNavItems(
+        title = "Home",
+        route = ScreenRoutes.HomeScreen.route,
+        icon = Icons.Outlined.Home,
+    )
+
+    data object Profile : BottomNavItems(
+        title = "Profile",
+        route = ScreenRoutes.AccountScreen.route,
+        icon = Icons.Outlined.Home
+    )
+}

app/src/main/java/dev/devunion/myportfolio/navigation/AuthNav.kt

@@ -5,6 +5,7 @@ import androidx.navigation.NavHostController
 import androidx.navigation.compose.composable
 import androidx.navigation.compose.navigation
 import dev.devunion.myportfolio.ui.auth.login.LoginScreen
+import dev.devunion.myportfolio.ui.auth.reset_password.ResetPasswordScreen
 import dev.devunion.myportfolio.ui.auth.signup.SignUpScreen
 import dev.devunion.myportfolio.viewmodels.auth.FirebaseAuthViewModel
 
@@ -14,15 +15,18 @@ fun NavGraphBuilder.AuthNav(
 ) {
     val authViewModel = FirebaseAuthViewModel()
     navigation(
-        startDestination = Screens.LoginScreen.route,
-        route = Screens.AuthNav.route
-    ){
-        composable(route = Screens.SignUpScreen.route){
-            SignUpScreen(authViewModel,navController = navController)
+        startDestination = ScreenRoutes.LoginScreen.route,
+        route = ScreenRoutes.AuthNav.route
+    ) {
+        composable(route = ScreenRoutes.LoginScreen.route) {
+            LoginScreen(authViewModel, navController = navController)
+        }
+        composable(route = ScreenRoutes.SignUpScreen.route) {
+            SignUpScreen(authViewModel, navController = navController)
         }
 
-        composable(route = Screens.LoginScreen.route){
-            LoginScreen(authViewModel,navController = navController)
+        composable(route = ScreenRoutes.ResetPasswordScreen.route) {
+            ResetPasswordScreen(authViewModel, navController = navController)
         }
     }
 }

app/src/main/java/dev/devunion/myportfolio/navigation/MainNavGraph.kt

@@ -16,52 +16,46 @@ import dev.devunion.myportfolio.ui.main.MainScreen
 import dev.devunion.myportfolio.ui.profile.ProfileScreen
 import dev.devunion.myportfolio.ui.splash.SplashScreen
 import dev.devunion.myportfolio.ui.updates.UpdatesScreen
+import dev.devunion.myportfolio.utils.PreferenceHelper
 import dev.devunion.myportfolio.viewmodels.auth.FirebaseAuthViewModel
 
 @Composable
-fun MainNavGraph(navController: NavHostController) {
+fun MainNavGraph(navController: NavHostController, logout: () -> Unit) {
     val user = Firebase.auth.currentUser
     val context = LocalContext.current
-    // val preferenceHelper:  PreferenceHelper = PreferenceHelper(context)
+    val preferenceHelper: PreferenceHelper = PreferenceHelper(context)
 
     NavHost(
         navController = navController,
-        route = Screens.MainNav.route,
-        startDestination = when (user) {
-            null -> Screens.LoginScreen.route
-            else -> Screens.MainScreen.route
-        }
+        route = ScreenRoutes.MainNav.route,
+        startDestination = ScreenRoutes.HomeScreen.route
+
 
     ) {
 
-        composable(route = Screens.SplashScreen.route) {
-            SplashScreen(navController)
-        }
-        composable(route = Screens.MainScreen.route) {
-            MainScreen(navController)
+        composable(route = ScreenRoutes.HomeScreen.route) {
+            HomeScreen(navController)
         }
-        composable(route = Screens.LoginScreen.route) {
-            val authViewModel = FirebaseAuthViewModel()
-            LoginScreen(authViewModel, navController)
+        composable(route = ScreenRoutes.ProfileScreen.route) {
+            ProfileScreen(navController)
         }
-        composable(route = Screens.SignUpScreen.route) {
-            val authViewModel = FirebaseAuthViewModel()
-            SignUpScreen(authViewModel, navController)
+        composable(route = ScreenRoutes.UpdatesScreen.route) {
+            UpdatesScreen(navController)
         }
-        composable(route = Screens.ResetPasswordScreen.route) {
+        composable(route = ScreenRoutes.AccountScreen.route) {
             val authViewModel = FirebaseAuthViewModel()
-            ResetPasswordScreen(authViewModel, navController)
+            AccountScreen(authViewModel, navController, logout)
         }
 
 
-        /*   composable(route = Screens.OnboardingScreen.route) {
+        /*   composable(route = ScreenRoutes.OnboardingScreen.route) {
                OnboardingScreen {
                    navController.popBackStack()
-                   navController.navigate(route = Screens.AuthScreen.route)
+                   navController.navigate(route = ScreenRoutes.AuthScreen.route)
                }
            }
 
-           composable(route = Screens.AuthScreen.route, enterTransition = {
+           composable(route = ScreenRoutes.AuthScreen.route, enterTransition = {
                slideIntoContainer(
                    AnimatedContentTransitionScope.SlideDirection.Left, animationSpec = tween(700)
                )
@@ -72,35 +66,35 @@ fun MainNavGraph(navController: NavHostController) {
            }) {
                AuthScreen(navigateToMainScreen = {
                    navController.popBackStack()
-                   navController.navigate(route = Screens.MainScreen.route)
+                   navController.navigate(route = ScreenRoutes.MainScreen.route)
                })
            }*/
 
 
     }
 }
 
-@Composable
-fun BottomNavGraph(
-    navController: NavHostController
-) {
-
-    NavHost(
-        navController = navController,
-        startDestination = Screens.HomeScreen.route
-    ) {
-        composable(route = Screens.HomeScreen.route) {
-            HomeScreen(navController)
-        }
-        composable(route = Screens.ProfileScreen.route) {
-            ProfileScreen(navController)
-        }
-        composable(route = Screens.UpdatesScreen.route) {
-            UpdatesScreen(navController)
-        }
-        composable(route = Screens.AccountScreen.route) {
-            val authViewModel = FirebaseAuthViewModel()
-            AccountScreen(authViewModel, navController)
-        }
-    }
-}
+//@Composable
+//fun BottomNavGraph(
+//    navController: NavHostController
+//) {
+//
+//    NavHost(
+//        navController = navController,
+//        startDestination = ScreenRoutes.HomeScreen.route
+//    ) {
+//        composable(route = ScreenRoutes.HomeScreen.route) {
+//            HomeScreen(navController)
+//        }
+//        composable(route = ScreenRoutes.ProfileScreen.route) {
+//            ProfileScreen(navController)
+//        }
+//        composable(route = ScreenRoutes.UpdatesScreen.route) {
+//            UpdatesScreen(navController)
+//        }
+//        composable(route = ScreenRoutes.AccountScreen.route) {
+//            val authViewModel = FirebaseAuthViewModel()
+//            AccountScreen(authViewModel, navController)
+//        }
+//    }
+//}

app/src/main/java/dev/devunion/myportfolio/navigation/RootNav.kt

@@ -4,31 +4,32 @@ import androidx.compose.runtime.Composable
 import androidx.navigation.NavHostController
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
-import androidx.navigation.compose.navigation
-import androidx.navigation.compose.rememberNavController
+import com.google.firebase.auth.ktx.auth
+import com.google.firebase.ktx.Firebase
 import dev.devunion.myportfolio.ui.main.MainScreen
 
 
 @Composable
 fun RootNav(navController: NavHostController) {
+    val user = Firebase.auth.currentUser
     NavHost(
         navController = navController,
-        startDestination = Screens.MainNav.route
+        startDestination = when (user) {
+            null -> ScreenRoutes.AuthNav.route
+            else -> ScreenRoutes.MainNav.route
+        }
     ) {
 
         AuthNav(navController)
-        composable(route = Screens.MainNav.route) {
-            MainNavGraph(navController = navController)
-        }
 
-//        composable(route = Screens.MainNav.route){
-//            MainScreen(navController
-//                logout = {
-//                    navController.navigate(Screens.AuthNav.route) {
-//                        popUpTo(0){}
-//                    }
-//                }
-//            )
-//        }
+        composable(route = ScreenRoutes.MainNav.route) {
+            MainScreen(navController,
+                logout = {
+                    navController.navigate(ScreenRoutes.AuthNav.route) {
+                        popUpTo(0) {}
+                    }
+                }
+            )
+        }
     }
 }

app/src/main/java/dev/devunion/myportfolio/navigation/ScreenRoutes.kt

@@ -0,0 +1,31 @@
+package dev.devunion.myportfolio.navigation
+
+
+sealed class ScreenRoutes(val route: String) {
+//    object OnboardingScreen : ScreenRoutes("onboarding_screen")
+//
+//    // Onboarding screens
+//   data object OnboardingScreen1 : ScreenRoutes("onboarding_screen_1")
+//   data object OnboardingScreen2 : ScreenRoutes("onboarding_screen_2")
+//   data object OnboardingScreen3 : ScreenRoutes("onboarding_screen_3")
+//   data object OnboardingScreen4 : ScreenRoutes("onboarding_screen_4")
+
+    // App screens
+    data object SplashScreen : ScreenRoutes("splash_screen")
+
+    data object MainScreen : ScreenRoutes("main_screen")
+
+    data object LoginScreen : ScreenRoutes("login_screen")
+    data object SignUpScreen : ScreenRoutes("signup_screen")
+    data object ResetPasswordScreen : ScreenRoutes("reset_password_screen")
+
+    data object HomeScreen : ScreenRoutes("home_screen")
+    data object ProfileScreen : ScreenRoutes("profile_screen")
+    data object UpdatesScreen : ScreenRoutes("updates_screen")
+    data object AccountScreen : ScreenRoutes("account_screen")
+
+    //Graph Routes
+    data object AuthNav : ScreenRoutes("AUTH_NAV_GRAPH")
+
+    data object MainNav : ScreenRoutes("MAIN_NAV_GRAPH")
+}