manager: add support for setting default non root profile.

manager/app/src/main/java/me/weishu/kernelsu/Natives.kt

@@ -11,8 +11,9 @@ import kotlinx.parcelize.Parcelize
  */
 object Natives {
     // minimal supported kernel version
-    // 10915: allowlist breaking change
-    const val MINIMAL_SUPPORTED_KERNEL = 10916
+    // 10915: allowlist breaking change, add app profile
+    // 10929: app profile struct add 'version' field
+    const val MINIMAL_SUPPORTED_KERNEL = 10929
 
     init {
         System.loadLibrary("kernelsu")
@@ -38,6 +39,27 @@ object Natives {
     external fun getAppProfile(key: String?, uid: Int): Profile
     external fun setAppProfile(profile: Profile?): Boolean
 
+    private const val NON_ROOT_DEFAULT_PROFILE_KEY = "$"
+    private const val ROOT_DEFAULT_PROFILE_KEY = "#"
+    private const val NOBODY_UID = 9999
+
+    fun setDefaultUmountModules(umountModules: Boolean): Boolean {
+        Profile(
+            NON_ROOT_DEFAULT_PROFILE_KEY,
+            NOBODY_UID,
+            false,
+            umountModules = umountModules
+        ).let {
+            return setAppProfile(it)
+        }
+    }
+
+    fun isDefaultUmountModules(): Boolean {
+        getAppProfile(NON_ROOT_DEFAULT_PROFILE_KEY, NOBODY_UID).let {
+            return it.umountModules
+        }
+    }
+
     fun requireNewKernel(): Boolean {
         return version < MINIMAL_SUPPORTED_KERNEL
     }
@@ -73,6 +95,7 @@ object Natives {
             Global,
             Individual,
         }
-        constructor(): this("")
+
+        constructor() : this("")
     }
 }

manager/app/src/main/java/me/weishu/kernelsu/ui/component/SettingsItem.kt

@@ -12,6 +12,7 @@ import androidx.compose.ui.graphics.vector.ImageVector
 fun SwitchItem(
     icon: ImageVector? = null,
     title: String,
+    summary: String? = null,
     checked: Boolean,
     onCheckedChange: (Boolean) -> Unit
 ) {
@@ -25,6 +26,11 @@ fun SwitchItem(
         trailingContent = {
             Switch(checked = checked, onCheckedChange = onCheckedChange)
         },
+        supportingContent = {
+            if (summary != null) {
+                Text(summary)
+            }
+        }
     )
 }
 

manager/app/src/main/java/me/weishu/kernelsu/ui/screen/Settings.kt

@@ -6,8 +6,12 @@ import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.*
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material.icons.filled.BugReport
+import androidx.compose.material.icons.filled.ContactPage
+import androidx.compose.material.icons.filled.RemoveModerator
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
+import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
@@ -18,9 +22,11 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import me.weishu.kernelsu.BuildConfig
+import me.weishu.kernelsu.Natives
 import me.weishu.kernelsu.R
 import me.weishu.kernelsu.ui.component.AboutDialog
 import me.weishu.kernelsu.ui.component.LoadingDialog
+import me.weishu.kernelsu.ui.component.SwitchItem
 import me.weishu.kernelsu.ui.util.LocalDialogHost
 import me.weishu.kernelsu.ui.util.getBugreportFile
 
@@ -49,7 +55,23 @@ fun SettingScreen(navigator: DestinationsNavigator) {
             val context = LocalContext.current
             val scope = rememberCoroutineScope()
             val dialogHost = LocalDialogHost.current
+
+            var umountChecked by rememberSaveable {
+                mutableStateOf(Natives.isDefaultUmountModules())
+            }
+            SwitchItem(
+                icon = Icons.Filled.RemoveModerator,
+                title = stringResource(id = R.string.settings_umount_modules_default),
+                summary = stringResource(id = R.string.settings_umount_modules_default_summary),
+                checked = umountChecked
+            ) {
+                if (Natives.setDefaultUmountModules(it)) {
+                    umountChecked = it
+                }
+            }
+
             ListItem(
+                leadingContent = { Icon(Icons.Filled.BugReport, stringResource(id = R.string.send_log)) },
                 headlineContent = { Text(stringResource(id = R.string.send_log)) },
                 modifier = Modifier.clickable {
                     scope.launch {
@@ -83,6 +105,7 @@ fun SettingScreen(navigator: DestinationsNavigator) {
 
             val about = stringResource(id = R.string.about)
             ListItem(
+                leadingContent = { Icon(Icons.Filled.ContactPage, stringResource(id = R.string.about)) },
                 headlineContent = { Text(about) },
                 modifier = Modifier.clickable {
                     showAboutDialog.value = true