Fix WIFI state permission again

app/src/main/AndroidManifest.xml

@@ -12,7 +12,7 @@
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
-    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_LOCATION" />
+    <uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION" />
 
     <uses-permission
         android:name="android.permission.QUERY_ALL_PACKAGES"
@@ -144,7 +144,7 @@
         <service
             android:name=".bg.VPNService"
             android:exported="false"
-            android:foregroundServiceType="specialUse|location"
+            android:foregroundServiceType="specialUse"
             android:permission="android.permission.BIND_VPN_SERVICE">
             <intent-filter>
                 <action android:name="android.net.VpnService" />
@@ -156,7 +156,7 @@
         <service
             android:name=".bg.ProxyService"
             android:exported="false"
-            android:foregroundServiceType="specialUse|location">
+            android:foregroundServiceType="specialUse">
             <property
                 android:name="android.app.PROPERTY_SPECIAL_USE_FGS_SUBTYPE"
                 android:value="proxy" />

app/src/main/java/io/nekohasekai/sfa/bg/BoxService.kt

@@ -5,6 +5,7 @@ import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
 import android.content.IntentFilter
+import android.content.pm.PackageManager
 import android.os.Build
 import android.os.IBinder
 import android.os.ParcelFileDescriptor
@@ -169,6 +170,23 @@ class BoxService(
             }
 
             newService.start()
+
+            if (newService.needWIFIState()) {
+                val wifiPermission = if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+                    android.Manifest.permission.ACCESS_FINE_LOCATION
+                } else {
+                    android.Manifest.permission.ACCESS_BACKGROUND_LOCATION
+                }
+                if (ContextCompat.checkSelfPermission(
+                        service, wifiPermission
+                    ) != PackageManager.PERMISSION_GRANTED
+                ) {
+                    newService.close()
+                    stopAndAlert(Alert.RequestLocationPermission)
+                    return
+                }
+            }
+
             boxService = newService
             commandServer?.setService(boxService)
             status.postValue(Status.Started)

app/src/main/java/io/nekohasekai/sfa/constant/Alert.kt

@@ -3,6 +3,7 @@ package io.nekohasekai.sfa.constant
 enum class Alert {
     RequestVPNPermission,
     RequestNotificationPermission,
+    RequestLocationPermission,
     EmptyConfiguration,
     StartCommandServer,
     CreateService,

app/src/main/java/io/nekohasekai/sfa/ui/MainActivity.kt

@@ -4,12 +4,13 @@ import android.Manifest
 import android.annotation.SuppressLint
 import android.content.Context
 import android.content.Intent
-import android.content.pm.PackageManager
+import android.net.Uri
 import android.net.VpnService
+import android.os.Build
 import android.os.Bundle
+import android.os.Process
 import androidx.activity.result.contract.ActivityResultContract
 import androidx.activity.result.contract.ActivityResultContracts
-import androidx.core.app.ActivityCompat
 import androidx.core.content.ContextCompat
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.lifecycleScope
@@ -188,38 +189,12 @@ class MainActivity : AbstractActivity(), ServiceConnection.Callback {
     }
 
     @SuppressLint("NewApi")
-    fun startService(skipRequestLocation: Boolean = false) {
+    fun startService() {
         if (!ServiceNotification.checkPermission()) {
             notificationPermissionLauncher.launch(Manifest.permission.POST_NOTIFICATIONS)
             return
         }
 
-        // MIUI always return false for shouldShowRequestPermissionRationale
-        if (!skipRequestLocation && ContextCompat.checkSelfPermission(
-                this, Manifest.permission.ACCESS_FINE_LOCATION
-            ) != PackageManager.PERMISSION_GRANTED
-        ) {
-            if (!ActivityCompat.shouldShowRequestPermissionRationale(
-                    this, Manifest.permission.ACCESS_FINE_LOCATION
-                )
-            ) {
-                MaterialAlertDialogBuilder(this)
-                    .setTitle(R.string.location_permission_title)
-                    .setMessage(R.string.location_permission_description)
-                    .setPositiveButton(R.string.ok) { _, _ ->
-                        locationPermissionLauncher.launch(
-                            arrayOf(
-                                Manifest.permission.ACCESS_COARSE_LOCATION,
-                                Manifest.permission.ACCESS_FINE_LOCATION,
-                            )
-                        )
-                    }
-                    .setCancelable(false)
-                    .show()
-                return
-            }
-        }
-
         lifecycleScope.launch(Dispatchers.IO) {
             if (Settings.rebuildServiceMode()) {
                 reconnect()
@@ -246,11 +221,8 @@ class MainActivity : AbstractActivity(), ServiceConnection.Callback {
         }
     }
 
-    private val locationPermissionLauncher = registerForActivityResult(
-        ActivityResultContracts.RequestMultiplePermissions()
-    ) {
-        startService(true)
-    }
+    private val locationPermissionLauncher =
+        registerForActivityResult(ActivityResultContracts.RequestPermission()) {}
 
     private val prepareLauncher = registerForActivityResult(PrepareService()) {
         if (it) {
@@ -290,6 +262,14 @@ class MainActivity : AbstractActivity(), ServiceConnection.Callback {
     }
 
     override fun onServiceAlert(type: Alert, message: String?) {
+        when (type) {
+            Alert.RequestLocationPermission -> {
+                return requestLocationPermission()
+            }
+
+            else -> {}
+        }
+
         val builder = MaterialAlertDialogBuilder(this)
         builder.setPositiveButton(R.string.ok, null)
         when (type) {
@@ -320,10 +300,62 @@ class MainActivity : AbstractActivity(), ServiceConnection.Callback {
                 builder.setMessage(message)
 
             }
+
+            else -> {}
         }
         builder.show()
     }
 
+    private fun requestLocationPermission() {
+        MaterialAlertDialogBuilder(this)
+            .setTitle(R.string.location_permission_title)
+            .setMessage(R.string.location_permission_description)
+            .setPositiveButton(R.string.ok) { _, _ ->
+                requestLocationPermission0()
+            }
+            .setCancelable(false)
+            .show()
+    }
+
+    private fun requestLocationPermission0() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+            locationPermissionLauncher.launch(Manifest.permission.ACCESS_FINE_LOCATION)
+        } else {
+            openPermissionSettings()
+        }
+    }
+
+    private fun openPermissionSettings() {
+        if (!getSystemProperty("ro.miui.ui.version.name").isNullOrBlank()) {
+            val intent = Intent("miui.intent.action.APP_PERM_EDITOR")
+            intent.putExtra("extra_package_uid", Process.myUid())
+            intent.putExtra("extra_pkgname", packageName)
+            try {
+                startActivity(intent)
+                return
+            } catch (ignored: Exception) {
+            }
+        }
+
+        try {
+            val intent = Intent(android.provider.Settings.ACTION_APPLICATION_DETAILS_SETTINGS)
+            intent.data = Uri.parse("package:$packageName")
+            startActivity(intent)
+        } catch (e: Exception) {
+            errorDialogBuilder(e).show()
+        }
+    }
+
+    @SuppressLint("PrivateApi")
+    fun getSystemProperty(key: String?): String? {
+        try {
+            return Class.forName("android.os.SystemProperties").getMethod("get", String::class.java)
+                .invoke(null, key) as String
+        } catch (ignored: Exception) {
+        }
+        return null
+    }
+
     private var paused = false
     override fun onPause() {
         super.onPause()

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

@@ -146,6 +146,6 @@
     <string name="other_methods">Other methods</string>
     <string name="action_start">Start</string>
     <string name="location_permission_title">Location permission</string>
-    <string name="location_permission_description">sing-box uses the location permission to provide `wifi_ssid` and `wifi_bssid` routing rule entries, deny it if you don\'t need this feature.</string>
+    <string name="location_permission_description">sing-box uses the **background location** permission to implement the `wifi_ssid` and `wifi_bssid` routing rule items that **you are using**.</string>
 
 </resources>