Step 5-1: Move the KPM interface to the settings

- Avoid multiple page re-rendering
- Add hook type information
- Clean up code

manager/app/src/main/cpp/jni.c

@@ -335,11 +335,6 @@ NativeBridge(getUserName, jstring, jint uid) {
     return NULL;
 }
 
-// Check if KPM is enabled
-NativeBridgeNP(isKPMEnabled, jboolean) {
-	return is_KPM_enable();
-}
-
 // Get HOOK type
 NativeBridgeNP(getHookType, jstring) {
     char hook_type[32] = { 0 };

manager/app/src/main/cpp/ksu.c

@@ -259,14 +259,6 @@ void get_full_version(char* buff) {
 	}
 }
 
-bool is_KPM_enable(void) {
-    struct ksu_enable_kpm_cmd cmd = {};
-    if (ksuctl(KSU_IOCTL_ENABLE_KPM, &cmd) == 0 && cmd.enabled) {
-        return true;
-    }
-    return legacy_is_KPM_enable();
-}
-
 void get_hook_type(char *buff) {
     struct ksu_hook_type_cmd cmd = {0};
     if (ksuctl(KSU_IOCTL_HOOK_TYPE, &cmd) == 0) {

manager/app/src/main/cpp/ksu.h

@@ -229,10 +229,6 @@ struct ksu_hook_type_cmd {
 	char hook_type[32]; // Output: hook type string
 };
 
-struct ksu_enable_kpm_cmd {
-    uint8_t enabled; // Output: true if KPM is enabled
-};
-
 struct ksu_dynamic_manager_cmd {
 	struct dynamic_manager_user_config config; // Input/Output: dynamic manager config
 };

manager/app/src/main/cpp/legacy.c

@@ -88,12 +88,6 @@ bool legacy_is_su_enabled() {
     return enabled;
 }
 
-bool legacy_is_KPM_enable() {
-    int enabled = false;
-    ksuctl(CMD_ENABLE_KPM, &enabled, NULL);
-    return enabled;
-}
-
 bool legacy_get_hook_type(char* hook_type, size_t size) {
     if (hook_type == NULL || size == 0) {
         return false;

manager/app/src/main/java/com/sukisu/ultra/Natives.kt

@@ -121,8 +121,6 @@ object Natives {
      */
     external fun isSuLogEnabled(): Boolean
     external fun setSuLogEnabled(enabled: Boolean): Boolean
-
-    external fun isKPMEnabled(): Boolean
     external fun getHookType(): String
 
     /**

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

@@ -1,7 +1,6 @@
 package com.sukisu.ultra.ui
 
 import android.content.SharedPreferences
-import androidx.compose.ui.graphics.Color
 import android.os.Build
 import android.os.Bundle
 import androidx.activity.ComponentActivity
@@ -31,6 +30,7 @@ import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
 import androidx.navigation.NavBackStackEntry
 import androidx.navigation.compose.rememberNavController
 import com.ramcosta.composedestinations.DestinationsNavHost
@@ -47,13 +47,11 @@ import kotlinx.coroutines.launch
 import com.sukisu.ultra.Natives
 import com.sukisu.ultra.ui.component.BottomBar
 import com.sukisu.ultra.ui.screen.HomePager
-import com.sukisu.ultra.ui.screen.KpmScreen
 import com.sukisu.ultra.ui.screen.ModulePager
 import com.sukisu.ultra.ui.screen.SettingPager
 import com.sukisu.ultra.ui.screen.SuperUserPager
 import com.sukisu.ultra.ui.theme.KernelSUTheme
 import com.sukisu.ultra.ui.util.install
-import com.sukisu.ultra.ui.util.rememberKpmAvailable
 import top.yukonga.miuix.kmp.basic.Scaffold
 import top.yukonga.miuix.kmp.theme.MiuixTheme
 
@@ -94,6 +92,7 @@ class MainActivity : ComponentActivity() {
                         android.graphics.Color.TRANSPARENT
                     ) { darkMode },
                 )
+
                 val listener = SharedPreferences.OnSharedPreferenceChangeListener { _, key ->
                     when (key) {
                         "color_mode" -> colorMode = prefs.getInt("color_mode", 0)
@@ -161,11 +160,7 @@ val LocalHandlePageChange = compositionLocalOf<(Int) -> Unit> { error("No handle
 fun MainScreen(navController: DestinationsNavigator) {
     val activity = LocalActivity.current
     val coroutineScope = rememberCoroutineScope()
-    
+    val pagerState = rememberPagerState(initialPage = 0, pageCount = { 4 })
-    val isKpmAvailable = rememberKpmAvailable()
-    val pageCount = if (isKpmAvailable) 5 else 4
-    
-    val pagerState = rememberPagerState(initialPage = 0, pageCount = { pageCount })
     val hazeState = remember { HazeState() }
     val hazeStyle = HazeStyle(
         backgroundColor = MiuixTheme.colorScheme.background,
@@ -193,7 +188,7 @@ fun MainScreen(navController: DestinationsNavigator) {
     ) {
         Scaffold(
             bottomBar = {
-                BottomBar(hazeState, hazeStyle, isKpmAvailable)
+                BottomBar(hazeState, hazeStyle)
             },
         ) { innerPadding ->
             HorizontalPager(
@@ -202,26 +197,13 @@ fun MainScreen(navController: DestinationsNavigator) {
                 beyondViewportPageCount = 2,
                 userScrollEnabled = false
             ) {
-                when {
+                when (it) {
-                    isKpmAvailable -> {
+                    0 -> HomePager(pagerState, navController, innerPadding.calculateBottomPadding())
-                        when (it) {
+                    1 -> SuperUserPager(navController, innerPadding.calculateBottomPadding())
-                            0 -> HomePager(pagerState, navController, innerPadding.calculateBottomPadding())
+                    2 -> ModulePager(navController, innerPadding.calculateBottomPadding())
-                            1 -> KpmScreen(bottomInnerPadding = innerPadding.calculateBottomPadding())
+                    3 -> SettingPager(navController, innerPadding.calculateBottomPadding())
-                            2 -> SuperUserPager(navController, innerPadding.calculateBottomPadding())
-                            3 -> ModulePager(navController, innerPadding.calculateBottomPadding())
-                            4 -> SettingPager(navController, innerPadding.calculateBottomPadding())
-                        }
-                    }
-                    else -> {
-                        when (it) {
-                            0 -> HomePager(pagerState, navController, innerPadding.calculateBottomPadding())
-                            1 -> SuperUserPager(navController, innerPadding.calculateBottomPadding())
-                            2 -> ModulePager(navController, innerPadding.calculateBottomPadding())
-                            3 -> SettingPager(navController, innerPadding.calculateBottomPadding())
-                        }
-                    }
                 }
             }
         }
     }
-}
+}

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

@@ -2,7 +2,6 @@ package com.sukisu.ultra.ui.component
 
 import androidx.annotation.StringRes
 import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.rounded.Code
 import androidx.compose.material.icons.rounded.Cottage
 import androidx.compose.material.icons.rounded.Extension
 import androidx.compose.material.icons.rounded.Security
@@ -28,8 +27,7 @@ import top.yukonga.miuix.kmp.basic.NavigationItem
 @Composable
 fun BottomBar(
     hazeState: HazeState,
-    hazeStyle: HazeStyle,
+    hazeStyle: HazeStyle
-    isKpmAvailable: Boolean = false
 ) {
     val isManager = Natives.isManager
     val fullFeatured = isManager && !Natives.requireNewKernel() && rootAvailable()
@@ -39,24 +37,12 @@ fun BottomBar(
 
     if (!fullFeatured) return
 
-    val destinations = if (isKpmAvailable) {
+    val item = BottomBarDestination.entries.mapIndexed { index, destination ->
-        BottomBarDestination.entries
-    } else {
-        BottomBarDestination.entries.filter { it != BottomBarDestination.KPM }
-    }
-
-    val item = destinations.mapIndexed { index, destination ->
         NavigationItem(
             label = stringResource(destination.label),
             icon = destination.icon,
         )
     }
-    
-    val bottomBarIndex = if (!isKpmAvailable) {
-        page.coerceIn(0, item.size - 1)
-    } else {
-        page.coerceIn(0, item.size - 1)
-    }
 
     NavigationBar(
         modifier = Modifier
@@ -67,10 +53,8 @@ fun BottomBar(
             },
         color = Color.Transparent,
         items = item,
-        selected = bottomBarIndex,
+        selected = page,
-        onClick = { index ->
+        onClick = handlePageChange
-            handlePageChange(index)
-        }
     )
 }
 
@@ -79,8 +63,7 @@ enum class BottomBarDestination(
     val icon: ImageVector,
 ) {
     Home(R.string.home, Icons.Rounded.Cottage),
-    KPM(R.string.kpm_title, Icons.Rounded.Code),
     SuperUser(R.string.superuser, Icons.Rounded.Security),
     Module(R.string.module, Icons.Rounded.Extension),
     Setting(R.string.settings, Icons.Rounded.Settings)
-}
+}

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

@@ -37,11 +37,14 @@ import androidx.compose.material.icons.rounded.CheckCircleOutline
 import androidx.compose.material.icons.rounded.ErrorOutline
 import androidx.compose.material.icons.rounded.Link
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.produceState
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
@@ -149,8 +152,6 @@ fun HomePager(
                 val lkmMode = ksuVersion?.let {
                     if (kernelVersion.isGKI()) Natives.isLkmMode else null
                 }
-                
-                val isKpmAvailable = rememberKpmAvailable()
 
                 Column(
                     modifier = Modifier.padding(vertical = 12.dp),
@@ -179,12 +180,12 @@ fun HomePager(
                         },
                         onClickSuperuser = {
                             coroutineScope.launch {
-                                pagerState.animateScrollToPage(getSuperuserPageIndex(isKpmAvailable))
+                                pagerState.animateScrollToPage(1)
                             }
                         },
                         onclickModule = {
                             coroutineScope.launch {
-                                pagerState.animateScrollToPage(getModulePageIndex(isKpmAvailable))
+                                pagerState.animateScrollToPage(2)
                             }
                         },
                         themeMode = themeMode
@@ -609,6 +610,19 @@ fun DonateCard() {
 private fun InfoCard() {
     val manualHookText = stringResource(R.string.manual_hook)
     val inlineHookText = stringResource(R.string.inline_hook)
+    val TracepointHookText = stringResource(R.string.tracepoint_hook)
+    val unknownHookText = stringResource(R.string.selinux_status_unknown)
+    val susfsInfo = rememberSusfsInfo(manualHookText, inlineHookText)
+    val isSusfsSupported = susfsInfo.status == SusfsStatus.Supported
+    val hookTypeLabel = remember(manualHookText, inlineHookText, TracepointHookText) {
+        val localized = when (val rawType = Natives.getHookType()) {
+            "Manual" -> manualHookText
+            "Tracepoint" -> TracepointHookText
+            else -> rawType
+        }
+        localized.ifBlank { unknownHookText }
+    }
+
     @Composable
     fun InfoText(
         title: String,
@@ -632,23 +646,6 @@ private fun InfoCard() {
     val context = LocalContext.current
     val uname = Os.uname()
     val managerVersion = getManagerVersion(context)
-    val susfsPair by produceState(initialValue = "" to "") {
-        value = withContext(Dispatchers.IO) {
-            val rawFeature = getSuSFSFeatures()
-            val status = if (rawFeature.isNotEmpty() && !rawFeature.startsWith("[-]")) "Supported" else rawFeature
-            if (status == "Supported") {
-                val version = getSuSFSVersion()
-                val hook = when (Natives.getHookType()) {
-                    "Manual" -> "($manualHookText)"
-                    "Inline" -> "($inlineHookText)"
-                    else -> "(${Natives.getHookType()})"
-                }
-                status to "$version $hook".trim()
-            } else {
-                "" to ""
-            }
-        }
-    }
 
     Card {
         Column(
@@ -689,27 +686,26 @@ private fun InfoCard() {
                     )
                 }
             }
-            InfoText(
+            if (isSusfsSupported) {
-                title = stringResource(R.string.home_fingerprint),
-                content = Build.FINGERPRINT
-            )
-            if (susfsPair.first == "Supported" && susfsPair.second.isNotEmpty()) {
-                InfoText(
-                    title = stringResource(R.string.home_selinux_status),
-                    content = getSELinuxStatus(),
-                )
                 InfoText(
                     title = stringResource(R.string.home_susfs_version),
-                    content = susfsPair.second,
+                    content = susfsInfo.detail
-                    bottomPadding = 0.dp
                 )
             } else {
                 InfoText(
-                    title = stringResource(R.string.home_selinux_status),
+                    title = stringResource(R.string.hook_type),
-                    content = getSELinuxStatus(),
+                    content = hookTypeLabel
-                    bottomPadding = 0.dp
                 )
             }
+            InfoText(
+                title = stringResource(R.string.home_selinux_status),
+                content = getSELinuxStatus(),
+            )
+            InfoText(
+                title = stringResource(R.string.home_fingerprint),
+                content = Build.FINGERPRINT,
+                bottomPadding = 0.dp
+            )
         }
     }
 }
@@ -720,10 +716,52 @@ fun getManagerVersion(context: Context): Pair<String, Long> {
     return Pair(packageInfo.versionName!!, versionCode)
 }
 
-fun getSuperuserPageIndex(isKpmAvailable: Boolean): Int {
+private enum class SusfsStatus {
-    return if (isKpmAvailable) 2 else 1
+    Idle, Loading, Supported, Unsupported, Error
 }
 
-fun getModulePageIndex(isKpmAvailable: Boolean): Int {
+private data class SusfsInfoState(
-    return if (isKpmAvailable) 3 else 2
+    val status: SusfsStatus = SusfsStatus.Idle,
+    val detail: String = "",
+)
+
+@Composable
+private fun rememberSusfsInfo(
+    manualHookLabel: String,
+    inlineHookLabel: String,
+): SusfsInfoState {
+    var susfsInfo by remember { mutableStateOf(SusfsInfoState(status = SusfsStatus.Loading)) }
+
+    LaunchedEffect(manualHookLabel, inlineHookLabel) {
+        val info = withContext(Dispatchers.IO) {
+            runCatching {
+                val rawFeature = getSuSFSFeatures()
+                val supported = rawFeature.isNotEmpty() && !rawFeature.startsWith("[-]")
+                if (supported) {
+                    val version = getSuSFSVersion().trim()
+                    val hookLabel = when (val type = Natives.getHookType()) {
+                        "Manual" -> manualHookLabel
+                        "Inline" -> inlineHookLabel
+                        else -> type
+                    }.takeIf { it.isNotBlank() }?.let { "($it)" }.orEmpty()
+                    SusfsInfoState(
+                        status = SusfsStatus.Supported,
+                        detail = listOf(version, hookLabel).filter { it.isNotBlank() }.joinToString(" ")
+                    )
+                } else {
+                    SusfsInfoState(
+                        status = SusfsStatus.Unsupported,
+                        detail = rawFeature
+                    )
+                }
+            }.getOrElse {
+                SusfsInfoState(status = SusfsStatus.Error)
+            }
+        }
+        if (susfsInfo != info) {
+            susfsInfo = info
+        }
+    }
+
+    return susfsInfo
 }

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

@@ -16,6 +16,7 @@ import androidx.compose.material.icons.rounded.Palette
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.rounded.Adb
 import androidx.compose.material.icons.rounded.BugReport
+import androidx.compose.material.icons.rounded.Code
 import androidx.compose.material.icons.rounded.ContactPage
 import androidx.compose.material.icons.rounded.Delete
 import androidx.compose.material.icons.rounded.DeleteForever
@@ -49,6 +50,7 @@ import com.ramcosta.composedestinations.annotation.RootGraph
 import com.ramcosta.composedestinations.generated.destinations.AboutScreenDestination
 import com.ramcosta.composedestinations.generated.destinations.AppProfileTemplateScreenDestination
 import com.ramcosta.composedestinations.generated.destinations.LogViewerDestination
+import com.ramcosta.composedestinations.generated.destinations.KpmScreenDestination
 import com.ramcosta.composedestinations.generated.destinations.PersonalizationDestination
 import com.ramcosta.composedestinations.generated.destinations.ToolsDestination
 import com.ramcosta.composedestinations.navigation.DestinationsNavigator
@@ -64,6 +66,7 @@ import com.sukisu.ultra.ui.component.SendLogDialog
 import com.sukisu.ultra.ui.component.UninstallDialog
 import com.sukisu.ultra.ui.component.rememberLoadingDialog
 import com.sukisu.ultra.ui.util.execKsud
+import com.sukisu.ultra.ui.util.rememberKpmAvailable
 import top.yukonga.miuix.kmp.basic.Card
 import top.yukonga.miuix.kmp.basic.Icon
 import top.yukonga.miuix.kmp.basic.MiuixScrollBehavior
@@ -94,6 +97,8 @@ fun SettingPager(
         tint = HazeTint(colorScheme.surface.copy(0.8f))
     )
 
+    val isKpmAvailable = rememberKpmAvailable()
+
     Scaffold(
         topBar = {
             TopAppBar(
@@ -265,6 +270,33 @@ fun SettingPager(
                     }
                 }
 
+                if (isKpmAvailable) {
+                    Card(
+                        modifier = Modifier
+                            .padding(top = 12.dp)
+                            .fillMaxWidth(),
+                    ) {
+                        val kpmTitle = stringResource(id = R.string.kpm_title)
+                        SuperArrow(
+                            title = kpmTitle,
+                            summary = stringResource(id = R.string.settings_kpm_summary),
+                            leftAction = {
+                                Icon(
+                                    Icons.Rounded.Code,
+                                    modifier = Modifier.padding(end = 16.dp),
+                                    contentDescription = kpmTitle,
+                                    tint = colorScheme.onBackground
+                                )
+                            },
+                            onClick = {
+                                navigator.navigate(KpmScreenDestination) {
+                                    launchSingleTop = true
+                                }
+                            }
+                        )
+                    }
+                }
+
                 KsuIsValid {
                     Card(
                         modifier = Modifier

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

@@ -12,7 +12,10 @@ import android.system.Os
 import android.util.Log
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.produceState
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
 import com.topjohnwu.superuser.CallbackList
 import com.topjohnwu.superuser.Shell
 import com.topjohnwu.superuser.ShellUtils
@@ -727,14 +730,13 @@ fun applyUmountConfigToKernel(): Boolean {
 // 检查 KPM 版本是否可用
 @Composable
 fun rememberKpmAvailable(): Boolean {
-    val kpmVersion by produceState(initialValue = "") {
+    var cachedVersion by rememberSaveable { mutableStateOf("") }
-        value = withContext(Dispatchers.IO) {
+    val kpmVersion by produceState(initialValue = cachedVersion) {
-            try {
+        val result = withContext(Dispatchers.IO) {
-                getKpmVersion()
+            runCatching { getKpmVersion() }.getOrElse { "" }
-            } catch (_: Exception) {
-                ""
-            }
         }
+        cachedVersion = result
+        value = result
     }
     return kpmVersion.isNotEmpty() && !kpmVersion.contains("Error", ignoreCase = true)
 }

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

@@ -178,9 +178,8 @@
     <string name="color_pink">粉色</string>
     <string name="color_brown">棕色</string>
     <!-- Customize -->
+    <string name="hook_type">钩子类型</string>
     <string name="home_susfs_version">SuSFS 版本</string>
-    <string name="manual_hook">Manual Hook</string>
-    <string name="inline_hook">Inline Hook</string>
     <string name="multi_manager_list">活跃管理器</string>
     <string name="default_signature">SukiSU</string>
     <string name="dynamic_managerature">Dynamic</string>
@@ -320,7 +319,7 @@
     <string name="horizon_kernel">AnyKernel3 内核</string>
     <string name="horizon_kernel_summary">刷入AnyKernel3格式的内核zip包</string>
     <!-- kpm -->
-    <string name="kpm_title">KPM</string>
+    <string name="settings_kpm_summary">使用 KPM 管理内核模块</string>
     <string name="kpm_empty">当前没有安装内核模块</string>
     <string name="kpm_version">版本</string>
     <string name="kpm_author">作者</string>

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

@@ -180,9 +180,11 @@
     <string name="color_pink">Pink</string>
     <string name="color_brown">Brown</string>
     <!-- Customize -->
-    <string name="home_susfs_version">SuSFS Version</string>
+    <string name="hook_type">Hook Type</string>
     <string name="manual_hook">Manual Hook</string>
     <string name="inline_hook">Inline Hook</string>
+    <string name="tracepoint_hook">Tracepoint Hook</string>
+    <string name="home_susfs_version">SuSFS Version</string>
     <string name="multi_manager_list">Active Manager</string>
     <string name="default_signature">SukiSU</string>
     <string name="dynamic_managerature">Dynamic</string>
@@ -325,6 +327,7 @@
     <string name="horizon_kernel_summary">Flash AnyKernel3 format kernel zip</string>
     <!-- kpm -->
     <string name="kpm_title">KPM</string>
+    <string name="settings_kpm_summary">Manage kernel modules with KPM</string>
     <string name="kpm_empty">No installed kernel modules at this time</string>
     <string name="kpm_version">Version</string>
     <string name="kpm_author">Author</string>