manager: fix webui package manager

Co-authored-by: KOWX712 <leecc0503@gmail.com>
Co-authored-by: YuKongA <70465933+YuKongA@users.noreply.github.com>

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

@@ -26,6 +26,8 @@ import java.util.concurrent.TimeUnit
 import kotlin.coroutines.resume
 import kotlin.coroutines.suspendCoroutine
 import com.sukisu.zako.IKsuInterface
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.parcelize.IgnoredOnParcel
 import kotlinx.parcelize.Parcelize
 
@@ -59,7 +61,8 @@ class SuperUserViewModel : ViewModel() {
         private const val TAG = "SuperUserViewModel"
         private val appsLock = Any()
         var apps by mutableStateOf<List<AppInfo>>(emptyList())
-        var appGroups by mutableStateOf<List<AppGroup>>(emptyList())
+        private val _isAppListLoaded = MutableStateFlow(false)
+        val isAppListLoaded = _isAppListLoaded.asStateFlow()
 
         @JvmStatic
         fun getAppIconDrawable(context: Context, packageName: String): Drawable? {
@@ -68,6 +71,8 @@ class SuperUserViewModel : ViewModel() {
                 ?.packageInfo?.applicationInfo?.loadIcon(context.packageManager)
         }
 
+        var appGroups by mutableStateOf<List<AppGroup>>(emptyList())
+
         private const val PREFS_NAME = "settings"
         private const val KEY_SHOW_SYSTEM_APPS = "show_system_apps"
         private const val KEY_SELECTED_CATEGORY = "selected_category"
@@ -337,6 +342,10 @@ class SuperUserViewModel : ViewModel() {
 
             stopKsuService()
 
+            synchronized(appsLock) {
+                _isAppListLoaded.value = true
+            }
+
             appListMutex.withLock {
                 val filteredApps = result.filter { it.packageName != ksuApp.packageName }
                 apps = filteredApps

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

@@ -24,7 +24,6 @@ object AppIconUtil {
             val drawable = getAppIconDrawable(context, packageName) ?: return null
             val raw = drawableToBitmap(drawable, sizePx)
             val icon = raw.scale(sizePx, sizePx)
-            if (raw != icon) raw.recycle()
             iconCache.put(packageName, icon)
             return icon
         } catch (_: Exception) {

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

@@ -10,8 +10,14 @@ import android.webkit.WebResourceResponse
 import android.webkit.WebView
 import android.webkit.WebViewClient
 import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
 import androidx.activity.viewModels
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
 import androidx.core.view.ViewCompat
 import androidx.core.view.WindowInsetsCompat
 import androidx.core.view.updateLayoutParams
@@ -21,13 +27,13 @@ import com.dergoogler.mmrl.platform.model.ModId
 import com.dergoogler.mmrl.webui.interfaces.WXOptions
 import com.sukisu.ultra.ui.util.createRootShell
 import com.sukisu.ultra.ui.viewmodel.SuperUserViewModel
+import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.launch
 import java.io.File
 
 @SuppressLint("SetJavaScriptEnabled")
 class WebUIActivity : ComponentActivity() {
     private val rootShell by lazy { createRootShell(true) }
-    private val superUserViewModel: SuperUserViewModel by viewModels()
     private var webView = null as WebView?
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -40,10 +46,21 @@ class WebUIActivity : ComponentActivity() {
 
         super.onCreate(savedInstanceState)
 
-        lifecycleScope.launch {
-            superUserViewModel.fetchAppList()
+        setContent {
+            Box(
+                modifier = Modifier.fillMaxSize(),
+                contentAlignment = Alignment.Center
+            ) {
+                CircularProgressIndicator()
+            }
         }
 
+        lifecycleScope.launch {
+            SuperUserViewModel.isAppListLoaded.first { it }
+            setupWebView()
+        }
+    }
+    private fun setupWebView() {
         val moduleId = intent.getStringExtra("id") ?: finishAndRemoveTask().let { return }
         val name = intent.getStringExtra("name") ?: finishAndRemoveTask().let { return }
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {