BIT-141 Implement basic SplashScreen composable (#39)

app/src/main/java/com/x8bit/bitwarden/ui/platform/feature/rootnav/RootNavScreen.kt

@@ -4,18 +4,16 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.hilt.navigation.compose.hiltViewModel
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
-import androidx.navigation.NavController
 import androidx.navigation.NavDestination
-import androidx.navigation.NavGraphBuilder
-import androidx.navigation.NavOptions
 import androidx.navigation.compose.NavHost
-import androidx.navigation.compose.composable
 import androidx.navigation.compose.rememberNavController
 import androidx.navigation.navOptions
 import com.x8bit.bitwarden.ui.auth.feature.auth.AUTH_ROUTE
 import com.x8bit.bitwarden.ui.auth.feature.auth.authDestinations
 import com.x8bit.bitwarden.ui.auth.feature.auth.navigateToAuth
-import com.x8bit.bitwarden.ui.platform.components.PlaceholderComposable
+import com.x8bit.bitwarden.ui.platform.feature.splash.SPLASH_ROUTE
+import com.x8bit.bitwarden.ui.platform.feature.splash.navigateToSplash
+import com.x8bit.bitwarden.ui.platform.feature.splash.splashDestinations
 import com.x8bit.bitwarden.ui.platform.feature.vaultunlocked.VAULT_UNLOCKED_ROUTE
 import com.x8bit.bitwarden.ui.platform.feature.vaultunlocked.navigateToVaultUnlocked
 import com.x8bit.bitwarden.ui.platform.feature.vaultunlocked.vaultUnlockedDestinations
@@ -92,38 +90,3 @@ private fun NavDestination?.routeLevelRoute(): String? {
     }
     return parent.routeLevelRoute()
 }
-
-/**
- * The functions below should be moved to their respective feature packages once they exist.
- *
- * For an example of how to setup these nav extensions, see NIA project.
- */
-
-/**
- * TODO: move to splash package (BIT-147)
- */
-private const val SPLASH_ROUTE = "splash"
-
-/**
- * Add splash destinations to the nav graph.
- *
- * TODO: move to splash package (BIT-147)
- */
-private fun NavGraphBuilder.splashDestinations() {
-    composable(SPLASH_ROUTE) {
-        PlaceholderComposable(text = "Splash")
-    }
-}
-
-/**
- * Navigate to the splash screen. Note this will only work if splash destination was added
- * via [splashDestinations].
- *
- * TODO: move to splash package (BIT-147)
- *
- */
-private fun NavController.navigateToSplash(
-    navOptions: NavOptions? = null,
-) {
-    navigate(SPLASH_ROUTE, navOptions)
-}

app/src/main/java/com/x8bit/bitwarden/ui/platform/feature/splash/SplashNavigation.kt

@@ -0,0 +1,24 @@
+package com.x8bit.bitwarden.ui.platform.feature.splash
+
+import androidx.navigation.NavController
+import androidx.navigation.NavGraphBuilder
+import androidx.navigation.NavOptions
+import androidx.navigation.compose.composable
+
+const val SPLASH_ROUTE: String = "splash"
+
+/**
+ * Add splash destinations to the nav graph.
+ */
+fun NavGraphBuilder.splashDestinations() {
+    composable(SPLASH_ROUTE) { SplashScreen() }
+}
+
+/**
+ * Navigate to the splash screen.
+ */
+fun NavController.navigateToSplash(
+    navOptions: NavOptions? = null,
+) {
+    navigate(SPLASH_ROUTE, navOptions)
+}

app/src/main/java/com/x8bit/bitwarden/ui/platform/feature/splash/SplashScreen.kt

@@ -0,0 +1,9 @@
+package com.x8bit.bitwarden.ui.platform.feature.splash
+
+import androidx.compose.runtime.Composable
+
+/**
+ * Splash screen with empty composable content so that the Activity window background is shown.
+ */
+@Composable
+fun SplashScreen() = Unit