optimize shizuku related function and wifi ssid poliicy

app/src/main/java/com/bintianqi/owndroid/PermissionPicker.kt

@@ -3,17 +3,25 @@ package com.bintianqi.owndroid
 import android.Manifest
 import android.os.Build.VERSION
 import androidx.compose.foundation.clickable
-import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
-import androidx.compose.material3.*
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.alpha
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import androidx.navigation.NavHostController
-import com.bintianqi.owndroid.dpm.applySelectedPermission
 import com.bintianqi.owndroid.dpm.selectedPermission
 import com.bintianqi.owndroid.ui.NavIcon
 
@@ -37,8 +45,7 @@ fun PermissionPicker(navCtrl: NavHostController) {
                     modifier = Modifier
                         .fillMaxWidth()
                         .clickable{
-                            selectedPermission = it.first
-                            applySelectedPermission.value = true
+                            selectedPermission.value = it.first
                             navCtrl.navigateUp()
                         }
                         .padding(vertical = 6.dp, horizontal = 8.dp)

app/src/main/java/com/bintianqi/owndroid/dpm/ApplicationManage.kt

@@ -337,17 +337,18 @@ private fun PermissionManage(pkgName: String, navCtrl: NavHostController) {
     val dpm = context.getSystemService(ComponentActivity.DEVICE_POLICY_SERVICE) as DevicePolicyManager
     val receiver = ComponentName(context,Receiver::class.java)
     val focusMgr = LocalFocusManager.current
-    var inputPermission by remember{mutableStateOf(selectedPermission)}
+    var inputPermission by remember { mutableStateOf("") }
     var currentState by remember { mutableStateOf(context.getString(R.string.unknown)) }
     val grantState = mapOf(
         PERMISSION_GRANT_STATE_DEFAULT to stringResource(R.string.decide_by_user),
         PERMISSION_GRANT_STATE_GRANTED to stringResource(R.string.granted),
         PERMISSION_GRANT_STATE_DENIED to stringResource(R.string.denied)
     )
-    LaunchedEffect(applySelectedPermission.collectAsState()) {
-        if(applySelectedPermission.value) {
-            inputPermission = selectedPermission
-            applySelectedPermission.value = false
+    val applyPermission by selectedPermission.collectAsState()
+    LaunchedEffect(applyPermission) {
+        if(applyPermission != "") {
+            inputPermission = applyPermission
+            selectedPermission.value = ""
         }
     }
     LaunchedEffect(pkgName) {
@@ -361,7 +362,7 @@ private fun PermissionManage(pkgName: String, navCtrl: NavHostController) {
             value = inputPermission,
             label = { Text(stringResource(R.string.permission)) },
             onValueChange = {
-                inputPermission = it; selectedPermission = inputPermission
+                inputPermission = it
                 currentState = grantState[dpm.getPermissionGrantState(receiver,pkgName,inputPermission)]!!
             },
             keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Ascii, imeAction = ImeAction.Done),
@@ -577,7 +578,7 @@ private fun CredentialManagePolicy(pkgName: String) {
         AnimatedVisibility(policyType != -1) {
             Column {
                 Text(stringResource(R.string.app_list_is))
-                SelectionContainer(modifier = Modifier.horizontalScroll(rememberScrollState()).animateContentSize(scrollAnim())) { 
+                SelectionContainer(modifier = Modifier.horizontalScroll(rememberScrollState()).animateContentSize()) {
                     Text(text = if(credentialList.isEmpty()) stringResource(R.string.none) else credentialList.toText())
                 }
                 Spacer(Modifier.padding(vertical = 10.dp))
@@ -739,7 +740,7 @@ private fun PermittedIME(pkgName: String) {
         }
         AnimatedVisibility(!allowAll) {
             Column {
-                SelectionContainer(modifier = Modifier.horizontalScroll(rememberScrollState()).animateContentSize(scrollAnim())) {
+                SelectionContainer(modifier = Modifier.horizontalScroll(rememberScrollState()).animateContentSize()) {
                     if(permittedIme.isEmpty()) {
                         Text(stringResource(R.string.only_system_ime_allowed))
                     } else {
@@ -805,7 +806,7 @@ private fun KeepUninstalledApp(pkgName: String) {
         Text(text = stringResource(R.string.keep_uninstalled_packages), style = typography.headlineLarge)
         Spacer(Modifier.padding(vertical = 5.dp))
         Text(text = stringResource(R.string.app_list_is))
-        SelectionContainer(modifier = Modifier.horizontalScroll(rememberScrollState()).animateContentSize(scrollAnim())) { 
+        SelectionContainer(modifier = Modifier.horizontalScroll(rememberScrollState()).animateContentSize()) {
             Text(text = if(pkgList.isEmpty()) stringResource(R.string.none) else pkgList.toText())
         }
         Spacer(Modifier.padding(vertical = 5.dp))
@@ -926,7 +927,7 @@ private fun InstallApp() {
 
 @SuppressLint("NewApi")
 @Composable
-fun ClearAppDataDialog(status: MutableState<Boolean>, pkgName: String) {
+private fun ClearAppDataDialog(status: MutableState<Boolean>, pkgName: String) {
     val context = LocalContext.current
     val dpm = context.getSystemService(ComponentActivity.DEVICE_POLICY_SERVICE) as DevicePolicyManager
     val receiver = ComponentName(context,Receiver::class.java)
@@ -972,7 +973,7 @@ fun ClearAppDataDialog(status: MutableState<Boolean>, pkgName: String) {
 
 @SuppressLint("NewApi")
 @Composable
-fun DefaultDialerAppDialog(status: MutableState<Boolean>, pkgName: String) {
+private fun DefaultDialerAppDialog(status: MutableState<Boolean>, pkgName: String) {
     val context = LocalContext.current
     val dpm = context.getSystemService(ComponentActivity.DEVICE_POLICY_SERVICE) as DevicePolicyManager
     AlertDialog(
@@ -1008,7 +1009,7 @@ fun DefaultDialerAppDialog(status: MutableState<Boolean>, pkgName: String) {
 }
 
 @Composable
-fun AppControlDialog(status: MutableIntState) { 
+private fun AppControlDialog(status: MutableIntState) {
     val enabled = dialogGetStatus()
     Dialog(
         onDismissRequest = { status.intValue = 0 }

app/src/main/java/com/bintianqi/owndroid/dpm/DPM.kt

@@ -5,8 +5,7 @@ import android.content.Intent
 import androidx.activity.result.ActivityResultLauncher
 import kotlinx.coroutines.flow.MutableStateFlow
 
-var selectedPermission = ""
-var applySelectedPermission = MutableStateFlow(false)
+var selectedPermission = MutableStateFlow("")
 lateinit var createManagedProfile: ActivityResultLauncher<Intent>
 lateinit var addDeviceAdmin: ActivityResultLauncher<Intent>
 

app/src/main/java/com/bintianqi/owndroid/dpm/Network.kt

@@ -2,7 +2,17 @@ package com.bintianqi.owndroid.dpm
 
 import android.annotation.SuppressLint
 import android.app.admin.DevicePolicyManager
-import android.app.admin.DevicePolicyManager.*
+import android.app.admin.DevicePolicyManager.PRIVATE_DNS_MODE_OFF
+import android.app.admin.DevicePolicyManager.PRIVATE_DNS_MODE_OPPORTUNISTIC
+import android.app.admin.DevicePolicyManager.PRIVATE_DNS_MODE_PROVIDER_HOSTNAME
+import android.app.admin.DevicePolicyManager.PRIVATE_DNS_MODE_UNKNOWN
+import android.app.admin.DevicePolicyManager.PRIVATE_DNS_SET_ERROR_FAILURE_SETTING
+import android.app.admin.DevicePolicyManager.PRIVATE_DNS_SET_ERROR_HOST_NOT_SERVING
+import android.app.admin.DevicePolicyManager.PRIVATE_DNS_SET_NO_ERROR
+import android.app.admin.DevicePolicyManager.WIFI_SECURITY_ENTERPRISE_192
+import android.app.admin.DevicePolicyManager.WIFI_SECURITY_ENTERPRISE_EAP
+import android.app.admin.DevicePolicyManager.WIFI_SECURITY_OPEN
+import android.app.admin.DevicePolicyManager.WIFI_SECURITY_PERSONAL
 import android.app.admin.WifiSsidPolicy
 import android.app.admin.WifiSsidPolicy.WIFI_SSID_POLICY_TYPE_ALLOWLIST
 import android.app.admin.WifiSsidPolicy.WIFI_SSID_POLICY_TYPE_DENYLIST
@@ -11,21 +21,56 @@ import android.net.wifi.WifiSsid
 import android.os.Build.VERSION
 import android.telephony.TelephonyManager
 import android.telephony.TelephonyManager.UNKNOWN_CARRIER_ID
-import android.telephony.data.ApnSetting.*
+import android.telephony.data.ApnSetting.AUTH_TYPE_CHAP
+import android.telephony.data.ApnSetting.AUTH_TYPE_NONE
+import android.telephony.data.ApnSetting.AUTH_TYPE_PAP
+import android.telephony.data.ApnSetting.AUTH_TYPE_PAP_OR_CHAP
+import android.telephony.data.ApnSetting.Builder
+import android.telephony.data.ApnSetting.MVNO_TYPE_GID
+import android.telephony.data.ApnSetting.MVNO_TYPE_ICCID
+import android.telephony.data.ApnSetting.MVNO_TYPE_IMSI
+import android.telephony.data.ApnSetting.MVNO_TYPE_SPN
+import android.telephony.data.ApnSetting.PROTOCOL_IP
+import android.telephony.data.ApnSetting.PROTOCOL_IPV4V6
+import android.telephony.data.ApnSetting.PROTOCOL_IPV6
+import android.telephony.data.ApnSetting.PROTOCOL_NON_IP
+import android.telephony.data.ApnSetting.PROTOCOL_PPP
+import android.telephony.data.ApnSetting.PROTOCOL_UNSTRUCTURED
 import android.util.Log
 import android.widget.Toast
 import androidx.activity.ComponentActivity
 import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.animation.animateContentSize
-import androidx.compose.foundation.*
-import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.ScrollState
+import androidx.compose.foundation.focusable
+import androidx.compose.foundation.horizontalScroll
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.text.KeyboardActions
 import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.foundation.text.selection.SelectionContainer
-import androidx.compose.material3.*
-import androidx.compose.material3.MaterialTheme.colorScheme
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material3.Button
 import androidx.compose.material3.MaterialTheme.typography
-import androidx.compose.runtime.*
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Switch
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextField
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableIntStateOf
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.alpha
@@ -44,9 +89,12 @@ import androidx.navigation.compose.rememberNavController
 import com.bintianqi.owndroid.R
 import com.bintianqi.owndroid.Receiver
 import com.bintianqi.owndroid.toText
-import com.bintianqi.owndroid.ui.*
+import com.bintianqi.owndroid.ui.Animations
+import com.bintianqi.owndroid.ui.RadioButtonItem
+import com.bintianqi.owndroid.ui.SubPageItem
+import com.bintianqi.owndroid.ui.SwitchItem
+import com.bintianqi.owndroid.ui.TopBar
 
-var ssidSet = mutableSetOf<WifiSsid>()
 @Composable
 fun Network(navCtrl: NavHostController) {
     val localNavCtrl = rememberNavController()
@@ -197,16 +245,15 @@ private fun WifiSsidPolicy() {
     val dpm = context.getSystemService(ComponentActivity.DEVICE_POLICY_SERVICE) as DevicePolicyManager
     val focusMgr = LocalFocusManager.current
     Column(modifier = Modifier.fillMaxSize().padding(horizontal = 8.dp).verticalScroll(rememberScrollState())) {
-        var policy = dpm.wifiSsidPolicy
-        var selectedPolicyType by remember { mutableIntStateOf(policy?.policyType ?: -1) }
-        var inputSsid by remember { mutableStateOf("") }
-        var ssidList by remember { mutableStateOf("") }
+        var selectedPolicyType by remember { mutableIntStateOf(-1) }
+        val ssidList = remember { mutableStateListOf<WifiSsid>() }
         val refreshPolicy = {
-            policy = dpm.wifiSsidPolicy
+            val policy = dpm.wifiSsidPolicy
+            ssidList.clear()
             selectedPolicyType = policy?.policyType ?: -1
-            ssidSet = policy?.ssids ?: mutableSetOf()
+            (policy?.ssids ?: mutableSetOf()).forEach { ssidList.add(it) }
         }
-        LaunchedEffect(Unit) { refreshPolicy(); ssidList= ssidSet.toText() }
+        LaunchedEffect(Unit) { refreshPolicy() }
         Spacer(Modifier.padding(vertical = 10.dp))
         Text(text = stringResource(R.string.wifi_ssid_policy), style = typography.headlineLarge)
         Spacer(Modifier.padding(vertical = 5.dp))
@@ -225,13 +272,14 @@ private fun WifiSsidPolicy() {
             { selectedPolicyType == WIFI_SSID_POLICY_TYPE_DENYLIST },
             { selectedPolicyType = WIFI_SSID_POLICY_TYPE_DENYLIST }
         )
-        Column(modifier = Modifier.animateContentSize(scrollAnim()).horizontalScroll(rememberScrollState())) {
-            if(ssidList!="") {
+        AnimatedVisibility(selectedPolicyType != -1) {
+            var inputSsid by remember { mutableStateOf("") }
+            Column {
+                Column {
                     Spacer(Modifier.padding(vertical = 5.dp))
                     Text(stringResource(R.string.ssid_list_is))
-                SelectionContainer{
-                    Text(text = ssidList, color = colorScheme.onPrimaryContainer)
-                }
+                    SelectionContainer(modifier = Modifier.animateContentSize().horizontalScroll(rememberScrollState())) {
+                        Text(if(ssidList.isEmpty()) stringResource(R.string.none) else ssidList.toText())
                     }
                 }
                 Spacer(Modifier.padding(vertical = 5.dp))
@@ -249,13 +297,11 @@ private fun WifiSsidPolicy() {
                         onClick = {
                             if(inputSsid == "") {
                                 Toast.makeText(context, R.string.cannot_be_empty, Toast.LENGTH_SHORT).show()
-                    } else if (WifiSsid.fromBytes(inputSsid.toByteArray()) in ssidSet) {
+                            } else if (WifiSsid.fromBytes(inputSsid.toByteArray()) in ssidList) {
                                 Toast.makeText(context, R.string.already_exist, Toast.LENGTH_SHORT).show()
                             } else {
-                        ssidSet.add(WifiSsid.fromBytes(inputSsid.toByteArray()))
-                        ssidList = ssidSet.toText()
+                                ssidList.add(WifiSsid.fromBytes(inputSsid.toByteArray()))
                             }
-                    inputSsid = ""
                         },
                         modifier = Modifier.fillMaxWidth(0.49F)
                     ) {
@@ -265,10 +311,8 @@ private fun WifiSsidPolicy() {
                         onClick = {
                             if(inputSsid == "") {
                                 Toast.makeText(context, R.string.cannot_be_empty, Toast.LENGTH_SHORT).show()
-                    } else if (WifiSsid.fromBytes(inputSsid.toByteArray()) in ssidSet) {
-                        ssidSet.remove(WifiSsid.fromBytes(inputSsid.toByteArray()))
-                        inputSsid = ""
-                        ssidList = ssidSet.toText()
+                            } else if (WifiSsid.fromBytes(inputSsid.toByteArray()) in ssidList) {
+                                ssidList.remove(WifiSsid.fromBytes(inputSsid.toByteArray()))
                             } else {
                                 Toast.makeText(context, R.string.not_exist, Toast.LENGTH_SHORT).show()
                             }
@@ -278,19 +322,18 @@ private fun WifiSsidPolicy() {
                         Text(stringResource(R.string.remove))
                     }
                 }
+                Spacer(Modifier.padding(vertical = 10.dp))
+            }
+        }
         Button(
             onClick = {
                 focusMgr.clearFocus()
                 if(selectedPolicyType == -1) {
-                    if(policy==null && ssidSet.isNotEmpty()) {
-                        Toast.makeText(context, R.string.please_select_a_policy, Toast.LENGTH_SHORT).show()
-                    }else{
                     dpm.wifiSsidPolicy = null
                     refreshPolicy()
                     Toast.makeText(context, R.string.success, Toast.LENGTH_SHORT).show()
-                    }
                 }else{
-                    dpm.wifiSsidPolicy = if(ssidSet.size==0) { null }else{ WifiSsidPolicy(selectedPolicyType, ssidSet) }
+                    dpm.wifiSsidPolicy = if(ssidList.isEmpty()) { null }else{ WifiSsidPolicy(selectedPolicyType, ssidList.toSet()) }
                     refreshPolicy()
                     Toast.makeText(context, R.string.success, Toast.LENGTH_SHORT).show()
                 }

app/src/main/java/com/bintianqi/owndroid/dpm/ShizukuActivate.kt

@@ -11,8 +11,6 @@ import android.os.IBinder
 import android.widget.Toast
 import androidx.activity.ComponentActivity
 import androidx.compose.animation.AnimatedVisibility
-import androidx.compose.animation.core.Spring
-import androidx.compose.animation.core.SpringSpec
 import androidx.compose.foundation.horizontalScroll
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Spacer
@@ -23,7 +21,14 @@ import androidx.compose.foundation.text.selection.SelectionContainer
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material3.Button
 import androidx.compose.material3.Text
-import androidx.compose.runtime.*
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+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.platform.LocalContext
@@ -52,9 +57,8 @@ fun ShizukuActivate() {
     var showProfileOwnerButton by remember { mutableStateOf(!isProfileOwner(dpm)) }
     var showDeviceOwnerButton by remember { mutableStateOf(!isDeviceOwner(dpm)) }
     var showOrgProfileOwnerButton by remember { mutableStateOf(true) }
-    LaunchedEffect(Unit) {
-        if(service == null) { userServiceControl(context, true) }
-        while(true) {
+    val service by shizukuService.collectAsState()
+    LaunchedEffect(service) {
         if(service == null) {
             enabled = false
             bindShizuku = checkShizukuStatus() == 1
@@ -62,8 +66,10 @@ fun ShizukuActivate() {
             enabled = true
             bindShizuku = false
         }
-            delay(200)
     }
+    LaunchedEffect(Unit) {
+        shizukuService.value = null
+        userServiceControl(context, true)
     }
     Column(
         modifier = Modifier
@@ -86,8 +92,15 @@ fun ShizukuActivate() {
         Button(
             onClick = {
                 outputText = checkPermission(context)
+                if(service != null) {
+                    enabled = true
+                    bindShizuku = false
+                } else {
+                    enabled = false
+                    bindShizuku = checkShizukuStatus() == 1
+                }
                 coScope.launch {
-                    outputTextScrollState.animateScrollTo(0, scrollAnim())
+                    outputTextScrollState.animateScrollTo(0)
                 }
             }
         ) {
@@ -98,7 +111,7 @@ fun ShizukuActivate() {
             onClick = {
                 coScope.launch{
                     outputText = service!!.execute("dpm list-owners")
-                    outputTextScrollState.animateScrollTo(0, scrollAnim())
+                    outputTextScrollState.animateScrollTo(0)
                 }
             },
             enabled = enabled
@@ -112,7 +125,7 @@ fun ShizukuActivate() {
                 onClick = {
                     coScope.launch{
                         outputText = service!!.execute(context.getString(R.string.dpm_activate_da_command))
-                        outputTextScrollState.animateScrollTo(0, scrollAnim())
+                        outputTextScrollState.animateScrollTo(0)
                         delay(500)
                         showDeviceAdminButton = !dpm.isAdminActive(receiver)
                     }
@@ -128,7 +141,7 @@ fun ShizukuActivate() {
                 onClick = {
                     coScope.launch{
                         outputText = service!!.execute(context.getString(R.string.dpm_activate_po_command))
-                        outputTextScrollState.animateScrollTo(0, scrollAnim())
+                        outputTextScrollState.animateScrollTo(0)
                         delay(500)
                         showProfileOwnerButton = !isProfileOwner(dpm)
                     }
@@ -144,7 +157,7 @@ fun ShizukuActivate() {
                 onClick = {
                     coScope.launch{
                         outputText = service!!.execute(context.getString(R.string.dpm_activate_do_command))
-                        outputTextScrollState.animateScrollTo(0, scrollAnim())
+                        outputTextScrollState.animateScrollTo(0)
                         delay(500)
                         showDeviceOwnerButton = !isDeviceOwner(dpm)
                     }
@@ -166,7 +179,7 @@ fun ShizukuActivate() {
                             outputText = service!!.execute(
                                 "dpm mark-profile-owner-on-organization-owned-device --user $userID com.bintianqi.owndroid/com.bintianqi.owndroid.Receiver"
                             )
-                            outputTextScrollState.animateScrollTo(0, scrollAnim())
+                            outputTextScrollState.animateScrollTo(0)
                             delay(500)
                             showOrgProfileOwnerButton = !dpm.isOrganizationOwnedDeviceWithManagedProfile
                         }
@@ -188,16 +201,9 @@ fun ShizukuActivate() {
     }
 }
 
-@Stable
-fun <T> scrollAnim(
-    dampingRatio: Float = Spring.DampingRatioNoBouncy,
-    stiffness: Float = Spring.StiffnessMedium,
-    visibilityThreshold: T? = null
-): SpringSpec<T> = SpringSpec(dampingRatio, stiffness, visibilityThreshold)
-
 private fun checkPermission(context: Context): String {
     if(checkShizukuStatus() == -1) { return context.getString(R.string.shizuku_not_started) }
-    val getUid = if(service==null) { return context.getString(R.string.shizuku_not_bind) } else { service!!.uid }
+    val getUid = if(shizukuService.value == null) { return context.getString(R.string.shizuku_not_bind) } else { shizukuService.value!!.uid }
     return when(getUid) {
         "2000"->context.getString(R.string.shizuku_activated_shell)
         "0"->context.getString(R.string.shizuku_activated_root)
@@ -223,13 +229,13 @@ fun userServiceControl(context:Context, status:Boolean) {
     val userServiceConnection = object : ServiceConnection {
         override fun onServiceConnected(componentName: ComponentName, binder: IBinder) {
             if (binder.pingBinder()) {
-                service = IUserService.Stub.asInterface(binder)
+                shizukuService.value = IUserService.Stub.asInterface(binder)
             } else {
                 Toast.makeText(context, R.string.invalid_binder, Toast.LENGTH_SHORT).show()
             }
         }
         override fun onServiceDisconnected(componentName: ComponentName) {
-            service = null
+            shizukuService.value = null
             Toast.makeText(context, R.string.shizuku_service_disconnected, Toast.LENGTH_SHORT).show()
         }
     }
@@ -242,9 +248,11 @@ fun userServiceControl(context:Context, status:Boolean) {
         .processNameSuffix("service")
         .debuggable(true)
         .version(26)
+    try {
         if(status) {
             Shizuku.bindUserService(userServiceArgs, userServiceConnection)
         }else{
             Shizuku.unbindUserService(userServiceArgs, userServiceConnection, false)
         }
+    } catch(_: Exception) { }
 }

app/src/main/java/com/bintianqi/owndroid/dpm/ShizukuService.kt

@@ -3,10 +3,11 @@ package com.bintianqi.owndroid.dpm
 import android.system.Os
 import androidx.annotation.Keep
 import com.bintianqi.owndroid.IUserService
+import kotlinx.coroutines.flow.MutableStateFlow
 import java.io.BufferedReader
 import java.io.InputStreamReader
 
-var service:IUserService? = null
+val shizukuService = MutableStateFlow<IUserService?>(null)
 
 @Keep
 class ShizukuService: IUserService.Stub() {