Add navigation and initial screen components for the app

gradle/libs.versions.toml

@@ -28,6 +28,7 @@ material = "1.12.0"
 junit = "4.13.2"
 junitVersion = "1.2.1"
 espressoCore = "3.6.1"
+navigationCompose = "2.7.6"
 
 
 
@@ -48,6 +49,7 @@ androidx-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-toolin
 androidx-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-manifest" }
 androidx-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4" }
 androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
+androidx-navigation-compose = { group = "androidx.navigation", name = "navigation-compose", version.ref = "navigationCompose" }
 
 
 

presenter/build.gradle.kts

@@ -30,6 +30,7 @@ dependencies {
     implementation(libs.androidx.ui.graphics)
     implementation(libs.androidx.ui.tooling.preview)
     implementation(libs.androidx.material3)
+    implementation(libs.androidx.navigation.compose)
     testImplementation(libs.junit)
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)

presenter/src/main/java/com/foke/together/presenter/MainActivity.kt

@@ -11,37 +11,33 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.tooling.preview.Preview
+import androidx.navigation.compose.rememberNavController
+import com.foke.together.presenter.navigation.NavGraph
 import com.foke.together.presenter.ui.theme.FourCutTogetherTheme
 
 class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         enableEdgeToEdge()
         setContent {
-            FourCutTogetherTheme {
-                Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
-                    Greeting(
-                        name = "FourCut Studio",
-                        modifier = Modifier.padding(innerPadding)
-                    )
-                }
-            }
+            MainScreen()
         }
     }
 }
 
 @Composable
-fun Greeting(name: String, modifier: Modifier = Modifier) {
-    Text(
-        text = name,
-        modifier = modifier
-    )
+private fun MainScreen() {
+    FourCutTogetherTheme {
+        val navController = rememberNavController()
+        NavGraph(navController)
+    }
 }
 
 @Preview(showBackground = true)
 @Composable
 fun GreetingPreview() {
     FourCutTogetherTheme {
-        Greeting("Android")
+        val navController = rememberNavController()
+        NavGraph(navController)
     }
 }

presenter/src/main/java/com/foke/together/presenter/navigation/NavGraph.kt

@@ -0,0 +1,104 @@
+package com.foke.together.presenter.navigation
+import androidx.compose.runtime.Composable
+import androidx.navigation.NavGraphBuilder
+import androidx.navigation.NavHostController
+import androidx.navigation.NavType
+import androidx.navigation.compose.NavHost
+import androidx.navigation.compose.composable
+import androidx.navigation.navArgument
+import com.foke.together.presenter.screen.CameraScreen
+import com.foke.together.presenter.screen.FrameScreen
+import com.foke.together.presenter.screen.HomeScreen
+import com.foke.together.presenter.screen.SettingScreen
+import com.foke.together.presenter.screen.ShareScreen
+
+@Composable
+fun NavGraph(navController: NavHostController) {
+
+    NavHost(
+        navController = navController,
+        startDestination = NavRoute.Home.path
+    ) {
+        addHomeScreen(navController, this)
+        addSettingScreen(navController, this)
+        addCameraScreen(navController, this)
+        addFrameScreen(navController, this)
+        addShareScreen(navController, this)
+    }
+}
+
+
+private fun addHomeScreen(
+    navController: NavHostController,
+    navGraphBuilder: NavGraphBuilder
+) {
+    navGraphBuilder.composable(route = NavRoute.Home.path) {
+        HomeScreen(
+            navigateToSetting = {
+                navController.navigate(NavRoute.Setting.path)
+            },
+            navigateToCamera = {
+                navController.navigate(NavRoute.Camera.path)
+            },
+            popBackStack = { navController.popBackStack() }
+        )
+    }
+}
+
+private fun addCameraScreen(
+    navController: NavHostController,
+    navGraphBuilder: NavGraphBuilder
+) {
+    navGraphBuilder.composable(route = NavRoute.Camera.path) {
+        CameraScreen(
+            navigateToFrame = {
+                navController.navigate(NavRoute.Frame.path)
+            },
+            popBackStack = {
+                navController.popBackStack(NavRoute.Home.path, inclusive = false)
+            }
+        )
+    }
+}
+
+private fun addSettingScreen(
+    navController: NavHostController,
+    navGraphBuilder: NavGraphBuilder
+) {
+    navGraphBuilder.composable(route = NavRoute.Setting.path) {
+        SettingScreen(
+            popBackStack = {
+                navController.popBackStack(NavRoute.Home.path, inclusive = false)
+            }
+        )
+    }
+}
+
+private fun addFrameScreen(
+    navController: NavHostController,
+    navGraphBuilder: NavGraphBuilder
+) {
+    navGraphBuilder.composable(route = NavRoute.Frame.path) {
+        FrameScreen(
+            navigateShare = {
+                navController.navigate(NavRoute.Share.path)
+            },
+            popBackStack = {
+                navController.popBackStack(NavRoute.Home.path, inclusive = false)
+            }
+        )
+    }
+}
+
+private fun addShareScreen(
+    navController: NavHostController,
+    navGraphBuilder: NavGraphBuilder
+) {
+    navGraphBuilder.composable(route = NavRoute.Frame.path) {
+        ShareScreen(
+            popBackStack = {
+                navController.popBackStack(NavRoute.Home.path, inclusive = false)
+            }
+        )
+    }
+}

presenter/src/main/java/com/foke/together/presenter/navigation/NavRoute.kt

@@ -0,0 +1,32 @@
+package com.foke.together.presenter.navigation
+
+sealed class NavRoute(val path: String) {
+
+    object Camera: NavRoute("camera")
+
+    object Home: NavRoute("home")
+
+    object Frame: NavRoute("frame")
+    object Share: NavRoute("share")
+    object Setting: NavRoute("setting")
+
+    // build navigation path (for screen navigation)
+    fun withArgs(vararg args: String): String {
+        return buildString {
+            append(path)
+            args.forEach{ arg ->
+                append("/$arg")
+            }
+        }
+    }
+
+    // build and setup route format (in navigation graph)
+    fun withArgsFormat(vararg args: String) : String {
+        return buildString {
+            append(path)
+            args.forEach{ arg ->
+                append("/{$arg}")
+            }
+        }
+    }
+}

presenter/src/main/java/com/foke/together/presenter/screen/CameraScreen.kt

@@ -0,0 +1,46 @@
+package com.foke.together.presenter.screen
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.material3.Button
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.sp
+import com.foke.together.presenter.ui.theme.FourCutTogetherTheme
+
+@Composable
+fun CameraScreen(
+    navigateToFrame: () -> Unit,
+    popBackStack: () -> Unit
+) {
+    Column (
+        modifier = Modifier.fillMaxWidth(),
+        horizontalAlignment = Alignment.CenterHorizontally) {
+        Text("Camera Screen", fontSize = 40.sp)
+        Button(onClick = navigateToFrame){
+            Text("Frame")
+        }
+    }
+}
+
+@Preview(showBackground = true)
+@Composable
+private fun DefaultPreview() {
+    FourCutTogetherTheme() {
+        Surface(
+            modifier = Modifier.fillMaxSize(),
+            color = MaterialTheme.colorScheme.background
+        ) {
+            CameraScreen(
+                navigateToFrame = { },
+                popBackStack = { }
+            )
+        }
+    }
+}

presenter/src/main/java/com/foke/together/presenter/screen/FrameScreen.kt

@@ -0,0 +1,47 @@
+package com.foke.together.presenter.screen
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.material3.Button
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.sp
+import com.foke.together.presenter.ui.theme.FourCutTogetherTheme
+
+@Composable
+fun FrameScreen(
+    navigateShare: () -> Unit,
+    popBackStack: () -> Unit
+) {
+    Column (
+        modifier = Modifier.fillMaxWidth(),
+        horizontalAlignment = Alignment.CenterHorizontally) {
+        Text("Frame Screen", fontSize = 40.sp)
+
+        Button(onClick = navigateShare){
+            Text("Share")
+        }
+    }
+}
+
+@Preview(showBackground = true)
+@Composable
+private fun DefaultPreview() {
+    FourCutTogetherTheme() {
+        Surface(
+            modifier = Modifier.fillMaxSize(),
+            color = MaterialTheme.colorScheme.background
+        ) {
+            FrameScreen(
+                navigateShare = {},
+                popBackStack = {}
+            )
+        }
+    }
+}

presenter/src/main/java/com/foke/together/presenter/screen/HomeScreen.kt

@@ -0,0 +1,54 @@
+package com.foke.together.presenter.screen
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.material3.Button
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import androidx.compose.ui.unit.sp
+import com.foke.together.presenter.ui.theme.FourCutTogetherTheme
+
+@Composable
+fun HomeScreen(
+    navigateToCamera: (String) -> Unit,
+    navigateToSetting: (String) -> Unit,
+    popBackStack: () -> Unit
+) {
+
+    Column (
+        modifier = Modifier.fillMaxWidth(),
+        horizontalAlignment = Alignment.CenterHorizontally) {
+        Text("Home Screen", fontSize = 40.sp)
+
+        Button(onClick = { navigateToCamera("camera") }){
+            Text("Camera")
+        }
+
+        Button(onClick = { navigateToSetting("Setting") }){
+            Text("Setting")
+        }
+    }
+}
+
+@Preview(showBackground = true)
+@Composable
+private fun DefaultPreview() {
+    FourCutTogetherTheme() {
+        Surface(
+            modifier = Modifier.fillMaxSize(),
+            color = MaterialTheme.colorScheme.background
+        ) {
+            HomeScreen(
+                navigateToCamera = { },
+                navigateToSetting = {},
+                popBackStack = {}
+            )
+        }
+    }
+}