Fix ServerService/Foreground-Service for Android 13+

Author: Xcreen

app/src/main/AndroidManifest.xml

@@ -8,6 +8,8 @@
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.SEND_SMS" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC"/>
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
 
     <application
         android:name=".AppContext"
@@ -28,7 +30,9 @@
             </intent-filter>
         </activity>
 
-        <service android:name=".server.ServerService" />
+        <service android:name=".server.ServerService"
+            android:exported="false"
+            android:foregroundServiceType="dataSync" />
     </application>
 
 </manifest>

app/src/main/java/net/xcreen/restsms/fragments/HomeFragment.kt

@@ -25,6 +25,7 @@ class HomeFragment : Fragment() {
     private var toggleServerBtn: Button? = null
     private var appContext: AppContext? = null
     private val SMS_PERMISSION_REQUEST = 100
+    private val NOTIFICATION_PERMISSION_REQUEST = 101
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
         val rootView = inflater.inflate(R.layout.fragment_home, container, false)
@@ -42,6 +43,16 @@ class HomeFragment : Fragment() {
                 ActivityCompat.requestPermissions(requireActivity(), arrayOf(Manifest.permission.SEND_SMS), SMS_PERMISSION_REQUEST)
                 return@setOnClickListener
             }
+            // Check if Notification-Permission is grant
+            if (Build.VERSION.SDK_INT >= 33) {
+                if (ActivityCompat.checkSelfPermission(v.context, Manifest.permission.POST_NOTIFICATIONS) != PackageManager.PERMISSION_GRANTED) {
+                    //Show Error Toast
+                    Toast.makeText(v.context, resources.getText(R.string.no_notification_permission), Toast.LENGTH_LONG).show()
+                    //Request Permission
+                    ActivityCompat.requestPermissions(requireActivity(), arrayOf(Manifest.permission.POST_NOTIFICATIONS), NOTIFICATION_PERMISSION_REQUEST)
+                    return@setOnClickListener
+                }
+            }
             //Check if Device has a Sim-Card
             try {
                 val telephonyManager = v.context.getSystemService(Context.TELEPHONY_SERVICE) as TelephonyManager

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

@@ -15,6 +15,7 @@
     <string name="server_failed_bindex">Server can not run on this port! (Bind-Exception)</string>
     <string name="invalid_sim">Sim-Card is missing or not ready to send sms!</string>
     <string name="no_sms_permission">SMS-Permission is required to run the server!</string>
+    <string name="no_notification_permission">Notification-Permission is required to run the server as a foreground-service!</string>
 
     <string name="notification_text">Server is running! On port: %1$d</string>