🚀 初回起動時の読み込み処理をカイゼン

nitoclub · Nov 21, 2023 · 63d5f87 · 63d5f87
1 parent 8f7f5c9
commit 63d5f87
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Showing 3 changed files with 20 additions and 37 deletions.
diff --git a/app/android/src/main/java/club/nito/app/MainActivity.kt b/app/android/src/main/java/club/nito/app/MainActivity.kt
@@ -8,51 +8,38 @@ import androidx.activity.enableEdgeToEdge
 import androidx.activity.viewModels
 import androidx.compose.material3.windowsizeclass.ExperimentalMaterial3WindowSizeClassApi
 import androidx.compose.material3.windowsizeclass.calculateWindowSizeClass
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.setValue
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.toArgb
 import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.lifecycleScope
 import androidx.lifecycle.repeatOnLifecycle
-import club.nito.core.model.AuthStatus
 import dagger.hilt.android.AndroidEntryPoint
-import kotlinx.coroutines.flow.collect
-import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.launch
 
 @AndroidEntryPoint
 class MainActivity : ComponentActivity() {
-
     private val viewModel: MainActivityViewModel by viewModels()
 
     @OptIn(ExperimentalMaterial3WindowSizeClassApi::class)
     override fun onCreate(savedInstanceState: Bundle?) {
         val splashScreen = installSplashScreen()
-
         super.onCreate(savedInstanceState)
 
-        var uiState: MainActivityUiState by mutableStateOf(MainActivityUiState.Loading)
+        val uiState = mutableStateOf<MainActivityUiState>(MainActivityUiState.Loading)
 
         // Update the uiState
         lifecycleScope.launch {
-            lifecycle.repeatOnLifecycle(Lifecycle.State.STARTED) {
-                viewModel.uiState
-                    .onEach {
-                        uiState = it
-                    }
-                    .collect()
+            repeatOnLifecycle(Lifecycle.State.STARTED) {
+                viewModel.uiState.collect {
+                    uiState.value = it
+                }
             }
         }
 
         splashScreen.setKeepOnScreenCondition {
-            when (uiState) {
-                MainActivityUiState.Loading -> true
-                is MainActivityUiState.Success -> false
-            }
+            uiState.value !is MainActivityUiState.Success
         }
 
         enableEdgeToEdge(
@@ -68,19 +55,17 @@ class MainActivity : ComponentActivity() {
         window.isNavigationBarContrastEnforced = false
 
         setContent {
-            val windowSize = calculateWindowSizeClass(this)
-            NitoApp(
-                windowSize = windowSize,
-                authStatus = shouldAuthStatus(uiState),
-            )
+            when (val state = uiState.value) {
+                MainActivityUiState.Loading -> {}
+
+                is MainActivityUiState.Success -> {
+                    val windowSize = calculateWindowSizeClass(this)
+                    NitoApp(
+                        windowSize = windowSize,
+                        authStatus = state.authStatus,
+                    )
+                }
+            }
         }
     }
 }
-
-@Composable
-private fun shouldAuthStatus(
-    uiState: MainActivityUiState,
-): AuthStatus? = when (uiState) {
-    MainActivityUiState.Loading -> null
-    is MainActivityUiState.Success -> uiState.authStatus
-}
diff --git a/app/android/src/main/java/club/nito/app/NitoApp.kt b/app/android/src/main/java/club/nito/app/NitoApp.kt
@@ -21,7 +21,7 @@ import org.koin.compose.KoinApplication
 @Composable
 fun NitoApp(
     windowSize: WindowSizeClass,
-    authStatus: AuthStatus?,
+    authStatus: AuthStatus,
     modifier: Modifier = Modifier,
 ) {
     KoinApplication(

diff --git a/app/android/src/main/java/club/nito/app/NitoNavHost.kt b/app/android/src/main/java/club/nito/app/NitoNavHost.kt
@@ -26,7 +26,7 @@ const val rootNavigationRoute = "root_route"
 @Composable
 fun NitoNavHost(
     windowSize: WindowSizeClass,
-    authStatus: AuthStatus?,
+    authStatus: AuthStatus,
     modifier: Modifier = Modifier,
     navController: NavHostController = rememberNavController(),
     startDestination: String = rootNavigationRoute,
@@ -72,7 +72,7 @@ fun NitoNavHost(
 }
 
 private fun NavGraphBuilder.root(
-    authStatus: AuthStatus?,
+    authStatus: AuthStatus,
     navController: NavHostController,
 ) = composable(rootNavigationRoute) {
     LaunchedEffect(authStatus) {
@@ -92,8 +92,6 @@ private fun NavGraphBuilder.root(
                     }
                 },
             )
-
-            else -> {}
         }
     }
 }