Introducing Multi Module navigation

app/src/main/java/io/filmtime/MainActivity.kt

@@ -1,25 +1,24 @@
 package io.filmtime
 
-import android.net.Uri
 import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Surface
 import androidx.compose.ui.Modifier
-import androidx.hilt.navigation.compose.hiltViewModel
-import androidx.navigation.NavType
 import androidx.navigation.compose.NavHost
-import androidx.navigation.compose.composable
 import androidx.navigation.compose.rememberNavController
-import androidx.navigation.navArgument
 import dagger.hilt.android.AndroidEntryPoint
-import io.filmtime.feature.home.HomeScreen
-import io.filmtime.feature.movie.detail.MovieDetailScreen
-import io.filmtime.feature.player.VideoPlayer
-import io.filmtime.feature.show.detail.ShowDetailScreen
-import io.filmtime.feature.trakt.login.TraktLoginWebView
+import io.filmtime.feature.home.homeScreen
+import io.filmtime.feature.movie.detail.movieDetailScreen
+import io.filmtime.feature.movie.detail.navigateToMovieDetail
+import io.filmtime.feature.player.navigateToPlayer
+import io.filmtime.feature.player.playerScreen
+import io.filmtime.feature.show.detail.navigateToShowDetail
+import io.filmtime.feature.show.detail.showDetailScreen
+import io.filmtime.feature.trakt.login.navigateToTraktLogin
+import io.filmtime.feature.trakt.login.traktLoginScreen
 import io.filmtime.ui.theme.FilmTimeTheme
 
 @AndroidEntryPoint
@@ -32,77 +31,25 @@ class MainActivity : ComponentActivity() {
  Surface(modifier = Modifier.fillMaxSize(), color = MaterialTheme.colorScheme.background) {
  val navController = rememberNavController()
  NavHost(navController = navController, startDestination = "home") {
- composable("home") {
- HomeScreen(
- viewModel = hiltViewModel(),
- onMovieClick = { tmdbId ->
- navController.navigate("detail/$tmdbId")
- },
- onShowClick = { tmdbId ->
- navController.navigate("show/detail/$tmdbId")
- },
- onTraktClick = {
- navController.navigate("trakt/login")
- },
- )
- }
- composable(
- route = "detail/{video_id}",
- arguments = listOf(
- navArgument("video_id") {
- type = NavType.IntType
- },
- ),
- ) {
- MovieDetailScreen(
- viewModel = hiltViewModel(),
- onStreamReady = { streamUrl ->
- val encoded = Uri.encode(streamUrl)
- navController.navigate("player/$encoded")
- },
- onBackPressed = {
- navController.popBackStack()
- },
- )
- }
- composable(
- route = "player/{stream_url}",
- arguments = listOf(
- navArgument("stream_url") {
- type = NavType.StringType
- },
- ),
- ) { backStackEntry ->
- val streamUrl = backStackEntry.arguments?.getString("stream_url")
- val decoded = Uri.decode(streamUrl)
- VideoPlayer(uri = Uri.parse(decoded))
- }
+ homeScreen(
+ onMovieClick = navController::navigateToMovieDetail,
+ onShowClick = navController::navigateToShowDetail,
+ onTraktClick = navController::navigateToTraktLogin,
+ )
 
- composable(
- route = "show/detail/{video_id}",
- arguments = listOf(
- navArgument("video_id") {
- type = NavType.IntType
- },
- ),
- ) {
- ShowDetailScreen(
- viewModel = hiltViewModel(),
- )
- }
- composable(
- route = "trakt/login",
- ) {
- TraktLoginWebView(
- viewModel = hiltViewModel(),
- onBackPressed = {
- navController.popBackStack()
- },
- onSuccess = {
- navController.popBackStack()
- },
- )
- }
+ movieDetailScreen(
+ onStreamReady = navController::navigateToPlayer,
+ onBack = navController::popBackStack,
+ )
+
+ showDetailScreen()
+
+ playerScreen()
+
+ traktLoginScreen(
+ onBack = navController::popBackStack,
+ onSuccess = navController::popBackStack,
+ )
  }
  }
  }

feature/home/build.gradle.kts

@@ -60,6 +60,9 @@ dependencies {
 
  implementation(libs.coil.compose)
 
+ implementation(libs.androidx.navigation.compose)
+ implementation(libs.androidx.hilt.navigation.compose)
+
  implementation(libs.hilt.android)
  kapt(libs.dagger.hilt.android.compiler)
 

feature/home/src/main/java/io/filmtime/feature/home/HomeNavigation.kt

@@ -0,0 +1,20 @@
+package io.filmtime.feature.home
+
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.navigation.NavGraphBuilder
+import androidx.navigation.compose.composable
+
+fun NavGraphBuilder.homeScreen(
+ onMovieClick: (tmdbId: Int) -> Unit,
+ onShowClick: (tmdbId: Int) -> Unit,
+ onTraktClick: () -> Unit,
+) {
+ composable("home") {
+ HomeScreen(
+ viewModel = hiltViewModel(),
+ onMovieClick = onMovieClick,
+ onShowClick = onShowClick,
+ onTraktClick = onTraktClick,
+ )
+ }
+}

feature/movie-detail/build.gradle.kts

@@ -58,6 +58,9 @@ dependencies {
  implementation(libs.ui.tooling.preview)
  implementation(libs.material3)
 
+ implementation(libs.androidx.navigation.compose)
+ implementation(libs.androidx.hilt.navigation.compose)
+
  implementation(libs.coil.compose)
 
  implementation(libs.hilt.android)

feature/movie-detail/src/main/java/io/filmtime/feature/movie/detail/MovieDetailNavigation.kt

@@ -0,0 +1,32 @@
+package io.filmtime.feature.movie.detail
+
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.navigation.NavController
+import androidx.navigation.NavGraphBuilder
+import androidx.navigation.NavType
+import androidx.navigation.compose.composable
+import androidx.navigation.navArgument
+
+fun NavGraphBuilder.movieDetailScreen(
+ onStreamReady: (streamUrl: String) -> Unit,
+ onBack: () -> Unit,
+) {
+ composable(
+ route = "detail/{video_id}",
+ arguments = listOf(
+ navArgument("video_id") {
+ type = NavType.IntType
+ },
+ ),
+ ) {
+ MovieDetailScreen(
+ viewModel = hiltViewModel(),
+ onStreamReady = onStreamReady,
+ onBackPressed = onBack,
+ )
+ }
+}
+
+fun NavController.navigateToMovieDetail(tmdbId: Int) {
+ navigate("detail/$tmdbId")
+}

feature/player/build.gradle.kts

@@ -61,6 +61,9 @@ dependencies {
 
  implementation(libs.coil.compose)
 
+ implementation(libs.androidx.navigation.compose)
+ implementation(libs.androidx.hilt.navigation.compose)
+
  implementation(libs.hilt.android)
  kapt(libs.dagger.hilt.android.compiler)
 

feature/player/src/main/java/io/filmtime/feature/player/PlayerNavigation.kt

@@ -0,0 +1,28 @@
+package io.filmtime.feature.player
+
+import android.net.Uri
+import androidx.navigation.NavController
+import androidx.navigation.NavGraphBuilder
+import androidx.navigation.NavType
+import androidx.navigation.compose.composable
+import androidx.navigation.navArgument
+
+fun NavGraphBuilder.playerScreen() {
+ composable(
+ route = "player/{stream_url}",
+ arguments = listOf(
+ navArgument("stream_url") {
+ type = NavType.StringType
+ },
+ ),
+ ) { backStackEntry ->
+ val streamUrl = backStackEntry.arguments?.getString("stream_url")
+ val decoded = Uri.decode(streamUrl)
+ VideoPlayer(uri = Uri.parse(decoded))
+ }
+}
+
+fun NavController.navigateToPlayer(streamUrl: String) {
+ val encoded = Uri.encode(streamUrl)
+ navigate("player/$encoded")
+}

feature/show-detail/build.gradle.kts

@@ -58,6 +58,9 @@ dependencies {
 
  implementation(libs.coil.compose)
 
+ implementation(libs.androidx.navigation.compose)
+ implementation(libs.androidx.hilt.navigation.compose)
+
  implementation(libs.hilt.android)
  kapt(libs.dagger.hilt.android.compiler)
 

feature/show-detail/src/main/java/io/filmtime/feature/show/detail/ShowDetailNavigation.kt

@@ -0,0 +1,27 @@
+package io.filmtime.feature.show.detail
+
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.navigation.NavController
+import androidx.navigation.NavGraphBuilder
+import androidx.navigation.NavType
+import androidx.navigation.compose.composable
+import androidx.navigation.navArgument
+
+fun NavGraphBuilder.showDetailScreen() {
+ composable(
+ route = "show/detail/{video_id}",
+ arguments = listOf(
+ navArgument("video_id") {
+ type = NavType.IntType
+ },
+ ),
+ ) {
+ ShowDetailScreen(
+ viewModel = hiltViewModel(),
+ )
+ }
+}
+
+fun NavController.navigateToShowDetail(tmdbId: Int) {
+ navigate("show/detail/$tmdbId")
+}

feature/trakt-login/build.gradle.kts

@@ -63,6 +63,9 @@ dependencies {
  implementation(libs.lifecycle.viewmodel.compose)
  implementation(libs.lifecycle.viewmodel.compose.runtime)
 
+ implementation(libs.androidx.navigation.compose)
+ implementation(libs.androidx.hilt.navigation.compose)
+
  implementation(libs.core.ktx)
  implementation(libs.appcompat)
  implementation(libs.material)

feature/trakt-login/src/main/java/io/filmtime/feature/trakt/login/TraktLoginNavigation.kt

@@ -0,0 +1,25 @@
+package io.filmtime.feature.trakt.login
+
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.navigation.NavController
+import androidx.navigation.NavGraphBuilder
+import androidx.navigation.compose.composable
+
+fun NavGraphBuilder.traktLoginScreen(
+ onBack: () -> Unit,
+ onSuccess: () -> Unit,
+) {
+ composable(
+ route = "trakt/login",
+ ) {
+ TraktLoginWebView(
+ viewModel = hiltViewModel(),
+ onBackPressed = onBack,
+ onSuccess = onSuccess,
+ )
+ }
+}
+
+fun NavController.navigateToTraktLogin() {
+ navigate("trakt/login")
+}