manager: Add initialization to optimize loading of SuperUser and Home data

manager/app/src/main/java/com/sukisu/ultra/ui/MainActivity.kt

@@ -44,8 +44,15 @@ import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.animation.slideInVertically
 import androidx.compose.animation.slideOutVertically
 import androidx.navigation.compose.currentBackStackEntryAsState
+import androidx.lifecycle.lifecycleScope
+import com.sukisu.ultra.ui.viewmodel.HomeViewModel
+import com.sukisu.ultra.ui.viewmodel.SuperUserViewModel
+import kotlinx.coroutines.launch
 
 class MainActivity : ComponentActivity() {
+    private lateinit var superUserViewModel: SuperUserViewModel
+    private lateinit var homeViewModel: HomeViewModel
+
     private inner class ThemeChangeContentObserver(
         handler: Handler,
         private val onThemeChanged: () -> Unit
@@ -111,6 +118,21 @@ class MainActivity : ComponentActivity() {
 
         super.onCreate(savedInstanceState)
 
+        // 初始化 SuperUserViewModel
+        superUserViewModel = SuperUserViewModel()
+
+        lifecycleScope.launch {
+            superUserViewModel.fetchAppList()
+        }
+
+        // 初始化 HomeViewModel
+        homeViewModel = HomeViewModel()
+
+        // 预加载数据
+        lifecycleScope.launch {
+            homeViewModel.initializeData()
+        }
+
         val prefs = getSharedPreferences("settings", MODE_PRIVATE)
         val isFirstRun = prefs.getBoolean("is_first_run", true)
 
@@ -237,6 +259,14 @@ class MainActivity : ComponentActivity() {
         if (!ThemeConfig.backgroundImageLoaded && !ThemeConfig.preventBackgroundRefresh) {
             loadCustomBackground()
         }
+
+        lifecycleScope.launch {
+            superUserViewModel.fetchAppList()
+        }
+
+        lifecycleScope.launch {
+            homeViewModel.initializeData()
+        }
     }
 
     private val destroyListeners = mutableListOf<() -> Unit>()

manager/app/src/main/java/com/sukisu/ultra/ui/screen/Home.kt

@@ -42,7 +42,7 @@ import androidx.compose.material.icons.filled.Security
 import androidx.compose.material.icons.filled.SettingsSuggest
 import androidx.compose.material.icons.filled.Storage
 import androidx.compose.material.icons.outlined.Block
-import androidx.compose.material.icons.outlined.CheckCircle
+import androidx.compose.material.icons.outlined.TaskAlt
 import androidx.compose.material.icons.outlined.Warning
 import androidx.compose.material3.CardDefaults
 import androidx.compose.material3.DropdownMenu
@@ -121,11 +121,8 @@ fun HomeScreen(navigator: DestinationsNavigator) {
     val coroutineScope = rememberCoroutineScope()
 
     LaunchedEffect(Unit) {
-        // 初始化加载用户设置
         viewModel.loadUserSettings(context)
-        // 初始化数据
         viewModel.initializeData()
-        // 检查更新
         viewModel.checkForUpdates(context)
     }
 
@@ -370,7 +367,7 @@ private fun StatusCard(
                     }
 
                     Icon(
-                        Icons.Outlined.CheckCircle,
+                        Icons.Outlined.TaskAlt,
                         contentDescription = stringResource(R.string.home_working),
                         tint = MaterialTheme.colorScheme.primary,
                         modifier = Modifier.size(24.dp)

manager/app/src/main/java/com/sukisu/ultra/ui/screen/SuperUser.kt

@@ -72,7 +72,7 @@ fun SuperUserScreen(navigator: DestinationsNavigator) {
     LaunchedEffect(key1 = navigator) {
         viewModel.search = ""
         if (viewModel.appList.isEmpty()) {
-            viewModel.fetchAppList()
+            // viewModel.fetchAppList()
         }
     }
 

manager/app/src/main/java/com/sukisu/ultra/ui/viewmodel/HomeViewModel.kt

@@ -33,13 +33,12 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import com.topjohnwu.superuser.internal.Utils.context
 
-/**
- * @author ShirkNeko
- * @date 2025/5/31.
- */
 class HomeViewModel : ViewModel() {
     companion object {
         private const val TAG = "HomeViewModel"
+        private val systemStatusCache = mutableMapOf<String, SystemStatus>()
+        private val systemInfoCache = mutableMapOf<String, SystemInfo>()
+        private val versionInfoCache = mutableMapOf<String, LatestVersionInfo>()
     }
 
     // 系统状态
@@ -117,8 +116,20 @@ class HomeViewModel : ViewModel() {
     // 初始化数据
     fun initializeData() {
         viewModelScope.launch {
-            fetchSystemStatus()
-            fetchSystemInfo()
+            val cachedStatus = systemStatusCache["status"]
+            val cachedInfo = systemInfoCache["info"]
+
+            if (cachedStatus != null) {
+                systemStatus = cachedStatus
+            } else {
+                fetchSystemStatus()
+            }
+
+            if (cachedInfo != null) {
+                systemInfo = cachedInfo
+            } else {
+                fetchSystemInfo()
+            }
         }
     }
 
@@ -130,8 +141,17 @@ class HomeViewModel : ViewModel() {
                     .getBoolean("check_update", true)
 
                 if (checkUpdate) {
+                    val cachedVersion = versionInfoCache["version"]
+
+                    if (cachedVersion != null) {
+                        latestVersionInfo = cachedVersion
+                        return@launch
+                    }
+
                     val start = SystemClock.elapsedRealtime()
-                    latestVersionInfo = checkNewVersion()
+                    val newVersionInfo = checkNewVersion()
+                    latestVersionInfo = newVersionInfo
+                    versionInfoCache["version"] = newVersionInfo
                     Log.i(TAG, "Update check completed in ${SystemClock.elapsedRealtime() - start}ms")
                 }
             } catch (e: Exception) {
@@ -145,6 +165,9 @@ class HomeViewModel : ViewModel() {
         isRefreshing = true
         viewModelScope.launch {
             try {
+                systemStatusCache.clear()
+                systemInfoCache.clear()
+                versionInfoCache.clear()
                 fetchSystemStatus()
                 fetchSystemInfo()
                 checkForUpdates(context)
@@ -165,7 +188,7 @@ class HomeViewModel : ViewModel() {
                     if (it >= Natives.MINIMAL_SUPPORTED_KERNEL_LKM && kernelVersion.isGKI()) Natives.isLkmMode else null
                 }
 
-                systemStatus = SystemStatus(
+                val newStatus = SystemStatus(
                     isManager = isManager,
                     ksuVersion = ksuVersion,
                     lkmMode = lkmMode,
@@ -174,6 +197,9 @@ class HomeViewModel : ViewModel() {
                     isKpmConfigured = Natives.isKPMEnabled(),
                     requireNewKernel = isManager && Natives.requireNewKernel()
                 )
+
+                systemStatus = newStatus
+                systemStatusCache["status"] = newStatus
             } catch (e: Exception) {
                 Log.e(TAG, "Error fetching system status", e)
             }
@@ -209,7 +235,7 @@ class HomeViewModel : ViewModel() {
                     }
                 }
 
-                systemInfo = SystemInfo(
+                val newInfo = SystemInfo(
                     kernelRelease = uname.release,
                     androidVersion = Build.VERSION.RELEASE,
                     deviceModel = getDeviceModel(),
@@ -225,6 +251,9 @@ class HomeViewModel : ViewModel() {
                     moduleCount = getModuleCount(),
                     kpmModuleCount = getKpmModuleCount()
                 )
+
+                systemInfo = newInfo
+                systemInfoCache["info"] = newInfo
             } catch (e: Exception) {
                 Log.e(TAG, "Error fetching system info", e)
             }

manager/app/src/main/java/com/sukisu/ultra/ui/viewmodel/SuperUserViewModel.kt

@@ -34,7 +34,7 @@ class SuperUserViewModel : ViewModel() {
     val isPlatformAlive get() = Platform.isAlive
     companion object {
         private const val TAG = "SuperUserViewModel"
-        private var apps by mutableStateOf<List<AppInfo>>(emptyList())
+        var apps by mutableStateOf<List<AppInfo>>(emptyList())
     }
 
     @Parcelize
@@ -171,7 +171,7 @@ class SuperUserViewModel : ViewModel() {
         fetchAppList() // 刷新列表以显示最新状态
     }
 
-    // 仅更新本地应用配置，避免重新获取整个列表导致滚动位置重置
+    // 更新本地应用配置
     fun updateAppProfileLocally(packageName: String, updatedProfile: Natives.Profile) {
         apps = apps.map { app ->
             if (app.packageName == packageName) {