Use systemExempt foreground service type for VPNService

Author: arm64v8a

app/src/main/AndroidManifest.xml

@@ -13,7 +13,7 @@
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
-    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_SPECIAL_USE" />
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_SYSTEM_EXEMPTED" />
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
@@ -258,36 +258,33 @@
         <service
             android:name="io.nekohasekai.sagernet.bg.ProxyService"
             android:exported="false"
-            android:foregroundServiceType="specialUse"
-            android:process=":bg">
-            <property
-                android:name="android.app.PROPERTY_SPECIAL_USE_FGS_SUBTYPE"
-                android:value="proxy" />
-        </service>
+            android:foregroundServiceType="systemExempted"
+            android:process=":bg"
+            tools:ignore="ForegroundServicePermission" />
 
         <service
             android:name="io.nekohasekai.sagernet.bg.VpnService"
             android:exported="false"
-            android:foregroundServiceType="specialUse"
+            android:foregroundServiceType="systemExempted"
             android:label="@string/app_name"
             android:permission="android.permission.BIND_VPN_SERVICE"
-            android:process=":bg">
+            android:process=":bg"
+            tools:ignore="ForegroundServicePermission">
 
             <intent-filter>
                 <action android:name="android.net.VpnService" />
             </intent-filter>
-            <property
-                android:name="android.app.PROPERTY_SPECIAL_USE_FGS_SUBTYPE"
-                android:value="vpn" />
         </service>
 
         <service
             android:name="io.nekohasekai.sagernet.bg.TileService"
             android:exported="true"
+            android:foregroundServiceType="systemExempted"
             android:icon="@drawable/ic_service_active"
             android:label="@string/tile_title"
             android:permission="android.permission.BIND_QUICK_SETTINGS_TILE"
             android:process=":bg"
+            tools:ignore="ForegroundServicePermission"
             tools:targetApi="n">
             <intent-filter>
                 <action android:name="android.service.quicksettings.action.QS_TILE" />

app/src/main/java/io/nekohasekai/sagernet/bg/ServiceNotification.kt

@@ -6,9 +6,10 @@ import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
 import android.content.IntentFilter
-import android.content.pm.ServiceInfo.FOREGROUND_SERVICE_TYPE_SPECIAL_USE
+import android.content.pm.ServiceInfo.FOREGROUND_SERVICE_TYPE_SYSTEM_EXEMPTED
 import android.os.Build
 import android.text.format.Formatter
+import android.widget.Toast
 import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
 import io.nekohasekai.sagernet.Action
@@ -185,14 +186,22 @@ class ServiceNotification(
 
     private suspend fun show() =
         useBuilder {
-            if (Build.VERSION.SDK_INT >= 34) {
-                (service as Service).startForeground(
-                    notificationId,
-                    it.build(),
-                    FOREGROUND_SERVICE_TYPE_SPECIAL_USE
-                )
-            } else {
-                (service as Service).startForeground(notificationId, it.build())
+            try {
+                if (Build.VERSION.SDK_INT >= 34) {
+                    (service as Service).startForeground(
+                        notificationId,
+                        it.build(),
+                        FOREGROUND_SERVICE_TYPE_SYSTEM_EXEMPTED
+                    )
+                } else {
+                    (service as Service).startForeground(notificationId, it.build())
+                }
+            } catch (e: Exception) {
+                Toast.makeText(
+                    SagerNet.application,
+                    "startForeground: $e",
+                    Toast.LENGTH_LONG
+                ).show()
             }
         }