manager: Optimize the function of app classification and sorting method

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

@@ -35,6 +35,7 @@ import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.TextStyle
 import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
@@ -53,27 +54,17 @@ import com.sukisu.ultra.ui.component.VerticalExpandableFab
 import com.sukisu.ultra.ui.component.FabMenuPresets
 import com.sukisu.ultra.ui.util.ModuleModify
 import com.sukisu.ultra.ui.viewmodel.SuperUserViewModel
+import com.sukisu.ultra.ui.viewmodel.AppCategory
+import com.sukisu.ultra.ui.viewmodel.SortType
 import com.dergoogler.mmrl.ui.component.LabelItem
-import com.sukisu.ultra.ui.theme.getCardElevation
 import kotlin.math.*
+import java.io.File
 
-// 应用分类
+// 应用优先级枚举
-enum class AppCategory(val displayNameRes: Int) {
+enum class AppPriority(val value: Int) {
-    ALL(R.string.category_all_apps),
+    ROOT(1),      // root权限应用
-    ROOT(R.string.category_root_apps),
+    CUSTOM(2),    // 自定义应用
-    CUSTOM(R.string.category_custom_apps),
+    DEFAULT(3) // 默认应用
-    DEFAULT(R.string.category_default_apps)
-}
-
-// 排序方式
-enum class SortType(val displayNameRes: Int) {
-    NAME_ASC(R.string.sort_name_asc),
-    NAME_DESC(R.string.sort_name_desc),
-    INSTALL_TIME_NEW(R.string.sort_install_time_new),
-    INSTALL_TIME_OLD(R.string.sort_install_time_old),
-    SIZE_DESC(R.string.sort_size_desc),
-    SIZE_ASC(R.string.sort_size_asc),
-    USAGE_FREQ(R.string.sort_usage_freq)
 }
 
 // 菜单项数据类
@@ -83,6 +74,39 @@ data class BottomSheetMenuItem(
     val onClick: () -> Unit
 )
 
+/**
+ * 获取应用的优先级
+ */
+private fun getAppPriority(app: SuperUserViewModel.AppInfo): AppPriority {
+    return when {
+        app.allowSu -> AppPriority.ROOT
+        app.hasCustomProfile -> AppPriority.CUSTOM
+        else -> AppPriority.DEFAULT
+    }
+}
+
+/**
+ * 获取多选模式的主按钮图标
+ */
+private fun getMultiSelectMainIcon(isExpanded: Boolean): ImageVector {
+    return if (isExpanded) {
+        Icons.Filled.Close
+    } else {
+        Icons.Filled.GridView
+    }
+}
+
+/**
+ * 获取单选模式的主按钮图标
+ */
+private fun getSingleSelectMainIcon(isExpanded: Boolean): ImageVector {
+    return if (isExpanded) {
+        Icons.Filled.Close
+    } else {
+        Icons.Filled.Add
+    }
+}
+
 /**
  * @author ShirkNeko
  * @date 2025/6/8
@@ -98,9 +122,9 @@ fun SuperUserScreen(navigator: DestinationsNavigator) {
     val context = LocalContext.current
     val snackBarHostState = remember { SnackbarHostState() }
 
-    // 分类和排序状态
+    // 使用ViewModel中的状态，这些状态现在都会从SharedPreferences中加载并自动保存
-    var selectedCategory by remember { mutableStateOf(AppCategory.ALL) }
+    val selectedCategory = viewModel.selectedCategory
-    var currentSortType by remember { mutableStateOf(SortType.NAME_ASC) }
+    val currentSortType = viewModel.currentSortType
 
     // BottomSheet状态
     val bottomSheetState = rememberModalBottomSheetState(
@@ -126,6 +150,13 @@ fun SuperUserScreen(navigator: DestinationsNavigator) {
         }
     }
 
+    // 监听选中应用的变化，如果在多选模式下没有选中任何应用，则自动退出多选模式
+    LaunchedEffect(viewModel.selectedApps, viewModel.showBatchActions) {
+        if (viewModel.showBatchActions && viewModel.selectedApps.isEmpty()) {
+            viewModel.showBatchActions = false
+        }
+    }
+
     // 应用分类和排序逻辑
     val filteredAndSortedApps = remember(viewModel.appList, selectedCategory, currentSortType, viewModel.search) {
         var apps = viewModel.appList
@@ -138,20 +169,75 @@ fun SuperUserScreen(navigator: DestinationsNavigator) {
             AppCategory.DEFAULT -> apps.filter { !it.allowSu && !it.hasCustomProfile }
         }
 
-        // 按排序方式排序
+        // 优先级排序 + 二次排序
-        apps = when (currentSortType) {
+        apps = apps.sortedWith { app1, app2 ->
-            SortType.NAME_ASC -> apps.sortedBy { it.label.lowercase() }
+            val priority1 = getAppPriority(app1)
-            SortType.NAME_DESC -> apps.sortedByDescending { it.label.lowercase() }
+            val priority2 = getAppPriority(app2)
-            SortType.INSTALL_TIME_NEW -> apps.sortedByDescending { it.packageInfo.firstInstallTime }
+
-            SortType.INSTALL_TIME_OLD -> apps.sortedBy { it.packageInfo.firstInstallTime }
+            // 首先按优先级排序
-            SortType.SIZE_DESC -> apps.sortedByDescending { it.packageInfo.applicationInfo?.let { context.packageManager.getApplicationInfo(it.packageName, 0).sourceDir.length } ?: 0 }
+            val priorityComparison = priority1.value.compareTo(priority2.value)
-            SortType.SIZE_ASC -> apps.sortedBy { it.packageInfo.applicationInfo?.let { context.packageManager.getApplicationInfo(it.packageName, 0).sourceDir.length } ?: 0 }
+
-            SortType.USAGE_FREQ -> apps
+            if (priorityComparison != 0) {
+                priorityComparison
+            } else {
+                // 在相同优先级内按指定排序方式排序
+                when (currentSortType) {
+                    SortType.NAME_ASC -> app1.label.lowercase().compareTo(app2.label.lowercase())
+                    SortType.NAME_DESC -> app2.label.lowercase().compareTo(app1.label.lowercase())
+                    SortType.INSTALL_TIME_NEW -> app2.packageInfo.firstInstallTime.compareTo(app1.packageInfo.firstInstallTime)
+                    SortType.INSTALL_TIME_OLD -> app1.packageInfo.firstInstallTime.compareTo(app2.packageInfo.firstInstallTime)
+                    SortType.SIZE_DESC -> {
+                        val size1: Long = app1.packageInfo.applicationInfo?.let {
+                            try {
+                                File(context.packageManager.getApplicationInfo(it.packageName, 0).sourceDir).length()
+                            } catch (_: Exception) {
+                                0L
+                            }
+                        } ?: 0L
+                        val size2: Long = app2.packageInfo.applicationInfo?.let {
+                            try {
+                                File(context.packageManager.getApplicationInfo(it.packageName, 0).sourceDir).length()
+                            } catch (_: Exception) {
+                                0L
+                            }
+                        } ?: 0L
+                        size2.compareTo(size1)
+                    }
+                    SortType.SIZE_ASC -> {
+                        val size1: Long = app1.packageInfo.applicationInfo?.let {
+                            try {
+                                File(context.packageManager.getApplicationInfo(it.packageName, 0).sourceDir).length()
+                            } catch (_: Exception) {
+                                0L
+                            }
+                        } ?: 0L
+                        val size2: Long = app2.packageInfo.applicationInfo?.let {
+                            try {
+                                File(context.packageManager.getApplicationInfo(it.packageName, 0).sourceDir).length()
+                            } catch (_: Exception) {
+                                0L
+                            }
+                        } ?: 0L
+                        size1.compareTo(size2)
+                    }
+                    SortType.USAGE_FREQ -> app1.label.lowercase().compareTo(app2.label.lowercase()) // 默认按名称排序
+                }
+            }
         }
 
         apps
     }
 
+    // 计算应用数量
+    val appCounts = remember(viewModel.appList) {
+        mapOf(
+            AppCategory.ALL to viewModel.appList.size,
+            AppCategory.ROOT to viewModel.appList.count { it.allowSu },
+            AppCategory.CUSTOM to viewModel.appList.count { !it.allowSu && it.hasCustomProfile },
+            AppCategory.DEFAULT to viewModel.appList.count { !it.allowSu && !it.hasCustomProfile }
+        )
+    }
+
     // BottomSheet菜单项
     val bottomSheetMenuItems = remember {
         listOf(
@@ -206,10 +292,45 @@ fun SuperUserScreen(navigator: DestinationsNavigator) {
         )
     }
 
+    // 记录FAB展开状态用于图标动画
+    var isFabExpanded by remember { mutableStateOf(false) }
+
     Scaffold(
         topBar = {
             SearchAppBar(
-                title = { Text(stringResource(R.string.superuser)) },
+                title = {
+                    Row(
+                        verticalAlignment = Alignment.CenterVertically,
+                        horizontalArrangement = Arrangement.spacedBy(8.dp)
+                    ) {
+                        Text(stringResource(R.string.superuser))
+                        // 显示当前分类和应用数量
+                        if (selectedCategory != AppCategory.ALL) {
+                            Surface(
+                                shape = RoundedCornerShape(12.dp),
+                                color = MaterialTheme.colorScheme.primaryContainer,
+                                modifier = Modifier.padding(start = 4.dp)
+                            ) {
+                                Row(
+                                    modifier = Modifier.padding(horizontal = 8.dp, vertical = 4.dp),
+                                    verticalAlignment = Alignment.CenterVertically,
+                                    horizontalArrangement = Arrangement.spacedBy(4.dp)
+                                ) {
+                                    Text(
+                                        text = stringResource(selectedCategory.displayNameRes),
+                                        style = MaterialTheme.typography.labelSmall,
+                                        color = MaterialTheme.colorScheme.onPrimaryContainer
+                                    )
+                                    Text(
+                                        text = "(${appCounts[selectedCategory] ?: 0})",
+                                        style = MaterialTheme.typography.labelSmall,
+                                        color = MaterialTheme.colorScheme.onPrimaryContainer
+                                    )
+                                }
+                            }
+                        }
+                    }
+                },
                 searchText = viewModel.search,
                 onSearchTextChange = { viewModel.search = it },
                 onClearClick = { viewModel.search = "" },
@@ -285,20 +406,22 @@ fun SuperUserScreen(navigator: DestinationsNavigator) {
                 buttonSpacing = 72.dp,
                 animationDurationMs = 300,
                 staggerDelayMs = 50,
-                mainButtonIcon = Icons.Filled.Add,
+                // 根据模式选择不同的图标
+                mainButtonIcon = if (viewModel.showBatchActions && viewModel.selectedApps.isNotEmpty()) {
+                    getMultiSelectMainIcon(isFabExpanded)
+                } else {
+                    getSingleSelectMainIcon(isFabExpanded)
+                },
                 mainButtonExpandedIcon = Icons.Filled.Close
             )
         }
     ) { innerPadding ->
 
-        Row(
+        // 主要内容
+        PullToRefreshBox(
             modifier = Modifier
                 .fillMaxSize()
-                .padding(innerPadding)
+                .padding(innerPadding),
-        ) {
-            // 主要内容区域
-            PullToRefreshBox(
-                modifier = Modifier.weight(1f),
             onRefresh = {
                 scope.launch { viewModel.fetchAppList() }
             },
@@ -309,13 +432,8 @@ fun SuperUserScreen(navigator: DestinationsNavigator) {
                 modifier = Modifier
                     .fillMaxSize()
                     .nestedScroll(scrollBehavior.nestedScrollConnection),
-                    contentPadding = PaddingValues(
+                verticalArrangement = Arrangement.spacedBy(6.dp),
-                        start = 16.dp,
+                contentPadding = PaddingValues(vertical = 8.dp)
-                        end = 8.dp,
-                        top = 16.dp,
-                        bottom = 16.dp
-                    ),
-                    verticalArrangement = Arrangement.spacedBy(4.dp)
             ) {
                 items(filteredAndSortedApps, key = { it.packageName + it.uid }) { app ->
                     AppItem(
@@ -376,26 +494,6 @@ fun SuperUserScreen(navigator: DestinationsNavigator) {
             }
         }
 
-            // 右侧分类栏
-            CategorySidebar(
-                selectedCategory = selectedCategory,
-                onCategorySelected = { category ->
-                    selectedCategory = category
-                    // 切换分类时滚动到顶部
-                    scope.launch {
-                        listState.animateScrollToItem(0)
-                    }
-                },
-                appCounts = mapOf(
-                    AppCategory.ALL to viewModel.appList.size,
-                    AppCategory.ROOT to viewModel.appList.count { it.allowSu },
-                    AppCategory.CUSTOM to viewModel.appList.count { !it.allowSu && it.hasCustomProfile },
-                    AppCategory.DEFAULT to viewModel.appList.count { !it.allowSu && !it.hasCustomProfile }
-                ),
-                modifier = Modifier.width(86.dp)
-            )
-        }
-
         // BottomSheet
         if (showBottomSheet) {
             ModalBottomSheet(
@@ -422,12 +520,22 @@ fun SuperUserScreen(navigator: DestinationsNavigator) {
                     menuItems = bottomSheetMenuItems,
                     currentSortType = currentSortType,
                     onSortTypeChanged = { newSortType ->
-                        currentSortType = newSortType
+                        viewModel.updateCurrentSortType(newSortType)
                         scope.launch {
                             bottomSheetState.hide()
                             showBottomSheet = false
                         }
+                    },
+                    selectedCategory = selectedCategory,
+                    onCategorySelected = { newCategory ->
+                        viewModel.updateSelectedCategory(newCategory)
+                        scope.launch {
+                            listState.animateScrollToItem(0)
+                            bottomSheetState.hide()
+                            showBottomSheet = false
                         }
+                    },
+                    appCounts = appCounts
                 )
             }
         }
@@ -438,7 +546,10 @@ fun SuperUserScreen(navigator: DestinationsNavigator) {
 private fun BottomSheetContent(
     menuItems: List<BottomSheetMenuItem>,
     currentSortType: SortType,
-    onSortTypeChanged: (SortType) -> Unit
+    onSortTypeChanged: (SortType) -> Unit,
+    selectedCategory: AppCategory,
+    onCategorySelected: (AppCategory) -> Unit,
+    appCounts: Map<AppCategory, Int>
 ) {
     Column(
         modifier = Modifier
@@ -453,6 +564,7 @@ private fun BottomSheetContent(
             modifier = Modifier.padding(horizontal = 24.dp, vertical = 16.dp)
         )
 
+        // 菜单选项网格
         LazyVerticalGrid(
             columns = GridCells.Fixed(4),
             modifier = Modifier.fillMaxWidth(),
@@ -491,6 +603,126 @@ private fun BottomSheetContent(
                 )
             }
         }
+
+        // 应用分类选项
+        Spacer(modifier = Modifier.height(24.dp))
+        HorizontalDivider(modifier = Modifier.padding(horizontal = 24.dp))
+
+        Text(
+            text = stringResource(R.string.app_categories),
+            style = MaterialTheme.typography.titleMedium,
+            fontWeight = FontWeight.Bold,
+            modifier = Modifier.padding(horizontal = 24.dp, vertical = 16.dp)
+        )
+
+        LazyVerticalGrid(
+            columns = GridCells.Fixed(2),
+            modifier = Modifier.fillMaxWidth(),
+            contentPadding = PaddingValues(horizontal = 16.dp),
+            horizontalArrangement = Arrangement.spacedBy(8.dp),
+            verticalArrangement = Arrangement.spacedBy(8.dp)
+        ) {
+            items(AppCategory.entries.toTypedArray()) { category ->
+                CategoryChip(
+                    category = category,
+                    isSelected = selectedCategory == category,
+                    onClick = { onCategorySelected(category) },
+                    appCount = appCounts[category] ?: 0
+                )
+            }
+        }
+    }
+}
+
+@Composable
+private fun CategoryChip(
+    category: AppCategory,
+    isSelected: Boolean,
+    onClick: () -> Unit,
+    appCount: Int,
+    modifier: Modifier = Modifier
+) {
+    val interactionSource = remember { MutableInteractionSource() }
+    val isPressed by interactionSource.collectIsPressedAsState()
+
+    val scale by animateFloatAsState(
+        targetValue = if (isPressed) 0.95f else 1.0f,
+        animationSpec = spring(
+            dampingRatio = Spring.DampingRatioMediumBouncy,
+            stiffness = Spring.StiffnessHigh
+        ),
+        label = "categoryChipScale"
+    )
+
+    Surface(
+        modifier = modifier
+            .fillMaxWidth()
+            .scale(scale)
+            .clickable(
+                interactionSource = interactionSource,
+                indication = null
+            ) { onClick() },
+        shape = RoundedCornerShape(12.dp),
+        color = if (isSelected) {
+            MaterialTheme.colorScheme.primaryContainer
+        } else {
+            MaterialTheme.colorScheme.surfaceVariant
+        },
+        tonalElevation = if (isSelected) 4.dp else 0.dp
+    ) {
+        Column(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(16.dp),
+            horizontalAlignment = Alignment.CenterHorizontally,
+            verticalArrangement = Arrangement.spacedBy(8.dp)
+        ) {
+            // 分类信息行
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                verticalAlignment = Alignment.CenterVertically,
+                horizontalArrangement = Arrangement.spacedBy(12.dp)
+            ) {
+                Text(
+                    text = stringResource(category.displayNameRes),
+                    style = MaterialTheme.typography.titleSmall.copy(
+                        fontWeight = if (isSelected) FontWeight.Bold else FontWeight.Medium
+                    ),
+                    color = if (isSelected) {
+                        MaterialTheme.colorScheme.onPrimaryContainer
+                    } else {
+                        MaterialTheme.colorScheme.onSurfaceVariant
+                    },
+                    maxLines = 1,
+                    overflow = TextOverflow.Ellipsis
+                )
+
+                // 选中指示器
+                AnimatedVisibility(
+                    visible = isSelected,
+                    enter = scaleIn() + fadeIn(),
+                    exit = scaleOut() + fadeOut()
+                ) {
+                    Icon(
+                        imageVector = Icons.Filled.Check,
+                        contentDescription = stringResource(R.string.selected),
+                        tint = MaterialTheme.colorScheme.onPrimaryContainer,
+                        modifier = Modifier.size(16.dp)
+                    )
+                }
+            }
+
+            // 应用数量
+            Text(
+                text = "$appCount apps",
+                style = MaterialTheme.typography.labelSmall,
+                color = if (isSelected) {
+                    MaterialTheme.colorScheme.onPrimaryContainer.copy(alpha = 0.8f)
+                } else {
+                    MaterialTheme.colorScheme.onSurfaceVariant.copy(alpha = 0.8f)
+                }
+            )
+        }
     }
 }
 
@@ -548,138 +780,6 @@ private fun BottomSheetMenuItemView(menuItem: BottomSheetMenuItem) {
     }
 }
 
-@Composable
-private fun CategorySidebar(
-    selectedCategory: AppCategory,
-    onCategorySelected: (AppCategory) -> Unit,
-    appCounts: Map<AppCategory, Int>,
-    modifier: Modifier = Modifier
-) {
-    Surface(
-        modifier = modifier.fillMaxHeight(),
-        color = MaterialTheme.colorScheme.surface,
-        tonalElevation = 2.dp,
-        shape = RoundedCornerShape(topStart = 16.dp, bottomStart = 16.dp)
-    ) {
-        LazyColumn(
-            modifier = Modifier
-                .fillMaxSize()
-                .padding(vertical = 16.dp),
-            verticalArrangement = Arrangement.spacedBy(8.dp),
-            contentPadding = PaddingValues(horizontal = 4.dp)
-        ) {
-            items(AppCategory.entries.toTypedArray()) { category ->
-                CategoryItem(
-                    category = category,
-                    isSelected = selectedCategory == category,
-                    appCount = appCounts[category] ?: 0,
-                    onClick = { onCategorySelected(category) }
-                )
-            }
-        }
-    }
-}
-
-@Composable
-private fun CategoryItem(
-    category: AppCategory,
-    isSelected: Boolean,
-    appCount: Int,
-    onClick: () -> Unit
-) {
-    val interactionSource = remember { MutableInteractionSource() }
-    val isPressed by interactionSource.collectIsPressedAsState()
-
-    val animatedScale by animateFloatAsState(
-        targetValue = when {
-            isPressed -> 0.96f
-            isSelected -> 1.0f
-            else -> 1.0f
-        },
-        animationSpec = spring(
-            dampingRatio = Spring.DampingRatioMediumBouncy,
-            stiffness = Spring.StiffnessHigh
-        ),
-        label = "categoryScale"
-    )
-
-    Card(
-        modifier = Modifier
-            .fillMaxWidth()
-            .scale(animatedScale)
-            .clickable(
-                interactionSource = interactionSource,
-                indication = null
-            ) { onClick() },
-        colors = CardDefaults.cardColors(
-            containerColor = if (isSelected) {
-                MaterialTheme.colorScheme.primary
-            } else {
-                MaterialTheme.colorScheme.surfaceBright
-            }
-        ),
-        elevation = getCardElevation()
-    ) {
-        Column(
-            modifier = Modifier
-                .fillMaxWidth()
-                .padding(8.dp),
-            horizontalAlignment = Alignment.CenterHorizontally
-        ) {
-            // 分类图标
-            val iconVector = when (category) {
-                AppCategory.ALL -> Icons.Filled.Apps
-                AppCategory.ROOT -> Icons.Filled.Security
-                AppCategory.CUSTOM -> Icons.Filled.Settings
-                AppCategory.DEFAULT -> Icons.Filled.Smartphone
-            }
-
-            val iconColor = if (isSelected) {
-                MaterialTheme.colorScheme.onPrimary
-            } else {
-                MaterialTheme.colorScheme.onSurface
-            }
-
-            Icon(
-                imageVector = iconVector,
-                contentDescription = stringResource(category.displayNameRes),
-                tint = iconColor,
-                modifier = Modifier.size(20.dp)
-            )
-
-            Spacer(modifier = Modifier.height(2.dp))
-
-            // 分类名称
-            Text(
-                text = stringResource(category.displayNameRes),
-                style = MaterialTheme.typography.labelSmall,
-                fontWeight = if (isSelected) FontWeight.Bold else FontWeight.Normal,
-                color = if (isSelected) {
-                    MaterialTheme.colorScheme.onPrimary
-                } else {
-                    MaterialTheme.colorScheme.onSurface
-                },
-                textAlign = TextAlign.Center,
-                maxLines = 2,
-                fontSize = 10.sp
-            )
-
-            // 应用数量
-            Text(
-                text = appCount.toString(),
-                style = MaterialTheme.typography.labelSmall,
-                color = if (isSelected) {
-                    MaterialTheme.colorScheme.onPrimary.copy(alpha = 0.8f)
-                } else {
-                    MaterialTheme.colorScheme.onSurface.copy(alpha = 0.8f)
-                },
-                modifier = Modifier.padding(top = 1.dp),
-                fontSize = 9.sp
-            )
-        }
-    }
-}
-
 @OptIn(ExperimentalLayoutApi::class, ExperimentalMaterial3Api::class)
 @Composable
 private fun AppItem(
@@ -706,31 +806,37 @@ private fun AppItem(
 
     ListItem(
         modifier = Modifier
+            .fillMaxWidth()
             .scale(scale)
             .pointerInput(Unit) {
                 detectTapGestures(
                     onLongPress = { onLongClick() },
                     onTap = { onClick() }
                 )
-            },
+            }
+            .padding(horizontal = 8.dp),
         headlineContent = {
             Text(
                 text = app.label,
                 style = MaterialTheme.typography.titleMedium,
                 maxLines = 1,
+                overflow = TextOverflow.Ellipsis
             )
         },
         supportingContent = {
-            Column {
+            Column(
+                verticalArrangement = Arrangement.spacedBy(4.dp)
+            ) {
                 Text(
                     text = app.packageName,
                     style = MaterialTheme.typography.bodySmall,
                     maxLines = 1,
+                    overflow = TextOverflow.Ellipsis
                 )
 
                 FlowRow(
-                    modifier = Modifier.padding(top = 4.dp),
+                    horizontalArrangement = Arrangement.spacedBy(4.dp),
-                    horizontalArrangement = Arrangement.spacedBy(4.dp)
+                    verticalArrangement = Arrangement.spacedBy(2.dp)
                 ) {
                     if (app.allowSu) {
                         LabelItem(text = stringResource(R.string.label_root))

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

@@ -1,6 +1,7 @@
 package com.sukisu.ultra.ui.viewmodel
 
 import android.content.Context
+import android.content.SharedPreferences
 import android.content.pm.ApplicationInfo
 import android.content.pm.PackageInfo
 import android.os.Parcelable
@@ -27,6 +28,36 @@ import kotlinx.coroutines.delay
 import kotlinx.coroutines.withTimeoutOrNull
 import androidx.core.content.edit
 
+// 应用分类
+enum class AppCategory(val displayNameRes: Int, val persistKey: String) {
+    ALL(com.sukisu.ultra.R.string.category_all_apps, "ALL"),
+    ROOT(com.sukisu.ultra.R.string.category_root_apps, "ROOT"),
+    CUSTOM(com.sukisu.ultra.R.string.category_custom_apps, "CUSTOM"),
+    DEFAULT(com.sukisu.ultra.R.string.category_default_apps, "DEFAULT");
+
+    companion object {
+        fun fromPersistKey(key: String): AppCategory {
+            return entries.find { it.persistKey == key } ?: ALL
+        }
+    }
+}
+
+// 排序方式
+enum class SortType(val displayNameRes: Int, val persistKey: String) {
+    NAME_ASC(com.sukisu.ultra.R.string.sort_name_asc, "NAME_ASC"),
+    NAME_DESC(com.sukisu.ultra.R.string.sort_name_desc, "NAME_DESC"),
+    INSTALL_TIME_NEW(com.sukisu.ultra.R.string.sort_install_time_new, "INSTALL_TIME_NEW"),
+    INSTALL_TIME_OLD(com.sukisu.ultra.R.string.sort_install_time_old, "INSTALL_TIME_OLD"),
+    SIZE_DESC(com.sukisu.ultra.R.string.sort_size_desc, "SIZE_DESC"),
+    SIZE_ASC(com.sukisu.ultra.R.string.sort_size_asc, "SIZE_ASC"),
+    USAGE_FREQ(com.sukisu.ultra.R.string.sort_usage_freq, "USAGE_FREQ");
+
+    companion object {
+        fun fromPersistKey(key: String): SortType {
+            return entries.find { it.persistKey == key } ?: NAME_ASC
+        }
+    }
+}
 
 /**
  * @author ShirkNeko
@@ -37,6 +68,10 @@ class SuperUserViewModel : ViewModel() {
     companion object {
         private const val TAG = "SuperUserViewModel"
         var apps by mutableStateOf<List<AppInfo>>(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"
+        private const val KEY_CURRENT_SORT_TYPE = "current_sort_type"
     }
 
     @Parcelize
@@ -64,10 +99,18 @@ class SuperUserViewModel : ViewModel() {
                 }
             }
     }
-    private val prefs = ksuApp.getSharedPreferences("settings", Context.MODE_PRIVATE)!!
+
+    private val prefs: SharedPreferences = ksuApp.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE)
 
     var search by mutableStateOf("")
-    var showSystemApps by mutableStateOf(prefs.getBoolean("show_system_apps", false))
+
+    var showSystemApps by mutableStateOf(loadShowSystemApps())
+        private set
+
+    var selectedCategory by mutableStateOf(loadSelectedCategory())
+        private set
+
+    var currentSortType by mutableStateOf(loadCurrentSortType())
         private set
     var isRefreshing by mutableStateOf(false)
         private set
@@ -78,9 +121,81 @@ class SuperUserViewModel : ViewModel() {
     var selectedApps by mutableStateOf<Set<String>>(emptySet())
         internal set
 
+    /**
+     * 从SharedPreferences加载显示系统应用设置
+     */
+    private fun loadShowSystemApps(): Boolean {
+        return prefs.getBoolean(KEY_SHOW_SYSTEM_APPS, false)
+    }
+
+    /**
+     * 从SharedPreferences加载选择的应用分类
+     */
+    private fun loadSelectedCategory(): AppCategory {
+        val categoryKey = prefs.getString(KEY_SELECTED_CATEGORY, AppCategory.ALL.persistKey) ?: AppCategory.ALL.persistKey
+        return AppCategory.fromPersistKey(categoryKey)
+    }
+
+    /**
+     * 从SharedPreferences加载当前排序方式
+     */
+    private fun loadCurrentSortType(): SortType {
+        val sortKey = prefs.getString(KEY_CURRENT_SORT_TYPE, SortType.NAME_ASC.persistKey) ?: SortType.NAME_ASC.persistKey
+        return SortType.fromPersistKey(sortKey)
+    }
+
+    /**
+     * 更新显示系统应用设置并保存到SharedPreferences
+     */
     fun updateShowSystemApps(newValue: Boolean) {
         showSystemApps = newValue
-        prefs.edit { putBoolean("show_system_apps", newValue) }
+        saveShowSystemApps(newValue)
+    }
+
+    /**
+     * 更新选择的应用分类并保存到SharedPreferences
+     */
+    fun updateSelectedCategory(newCategory: AppCategory) {
+        selectedCategory = newCategory
+        saveSelectedCategory(newCategory)
+    }
+
+    /**
+     * 更新当前排序方式并保存到SharedPreferences
+     */
+    fun updateCurrentSortType(newSortType: SortType) {
+        currentSortType = newSortType
+        saveCurrentSortType(newSortType)
+    }
+
+    /**
+     * 保存显示系统应用设置到SharedPreferences
+     */
+    private fun saveShowSystemApps(value: Boolean) {
+        prefs.edit {
+            putBoolean(KEY_SHOW_SYSTEM_APPS, value)
+        }
+        Log.d(TAG, "Saved show system apps: $value")
+    }
+
+    /**
+     * 保存选择的应用分类到SharedPreferences
+     */
+    private fun saveSelectedCategory(category: AppCategory) {
+        prefs.edit {
+            putString(KEY_SELECTED_CATEGORY, category.persistKey)
+        }
+        Log.d(TAG, "Saved selected category: ${category.persistKey}")
+    }
+
+    /**
+     * 保存当前排序方式到SharedPreferences
+     */
+    private fun saveCurrentSortType(sortType: SortType) {
+        prefs.edit {
+            putString(KEY_CURRENT_SORT_TYPE, sortType.persistKey)
+        }
+        Log.d(TAG, "Saved current sort type: ${sortType.persistKey}")
     }
 
     private val sortedList by derivedStateOf {

manager/app/src/main/res/values-zh-rCN/strings.xml

@@ -395,4 +395,5 @@
     <!-- BottomSheet相关 -->
     <string name="menu_options">菜单选项</string>
     <string name="sort_options">排序方式</string>
+    <string name="app_categories">应用类型选择</string>
 </resources>

manager/app/src/main/res/values/strings.xml

@@ -397,4 +397,5 @@
     <!-- BottomSheet相关 -->
     <string name="menu_options">Menu Options</string>
     <string name="sort_options">Sort by</string>
+    <string name="app_categories">Application Type Selection</string>
 </resources>