Working version with openssl 1.1.1l Updated

app/build.gradle

@@ -1,10 +1,10 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 33
     defaultConfig {
         minSdkVersion 16
-        targetSdkVersion 30
+        targetSdkVersion 33
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"

app/src/main/AndroidManifest.xml

@@ -16,7 +16,8 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".view.MainActivity">
+        <activity android:name=".view.MainActivity"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
@@ -33,7 +34,8 @@
 
     <service
         android:name="de.blinkt.openvpn.core.OpenVPNService"
-        android:permission="android.permission.BIND_VPN_SERVICE">
+        android:permission="android.permission.BIND_VPN_SERVICE"
+        android:exported="true">
         <intent-filter>
             <action android:name="android.net.VpnService" />
         </intent-filter>

build.gradle

@@ -3,11 +3,12 @@
 buildscript {
     repositories {
         google()
-        jcenter()
-
+        mavenCentral()
+
+
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.0.1'
+        classpath 'com.android.tools.build:gradle:4.0.2'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -17,7 +18,7 @@ buildscript {
 allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
         maven { url "https://jitpack.io" }
 
     }

vpnLib/src/main/java/de/blinkt/openvpn/core/OpenVPNService.java

@@ -324,7 +324,13 @@ else if (channel.equals(NOTIFICATION_CHANNEL_USERREQ_ID))
         nBuilder.setOngoing(true);
         nBuilder.setSmallIcon(R.drawable.ic_notification);
         if (status == LEVEL_WAITING_FOR_USER_INPUT) {
-            PendingIntent pIntent = PendingIntent.getActivity(this, 0, intent, 0);
+            PendingIntent pIntent = null;
+            if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
+                pIntent = PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_IMMUTABLE);
+            }
+            else{
+                pIntent = PendingIntent.getActivity(this, 0, intent, 0);
+            }
             nBuilder.setContentIntent(pIntent);
         } else {
             PendingIntent contentPendingIntent = getContentIntent();
@@ -449,21 +455,42 @@ private void jbNotificationExtras(int priority,
     private void addVpnActionsToNotification(Notification.Builder nbuilder) {
         Intent disconnectVPN = new Intent(this, DisconnectVPNActivity.class);
         disconnectVPN.setAction(DISCONNECT_VPN);
-        PendingIntent disconnectPendingIntent = PendingIntent.getActivity(this, 0, disconnectVPN, 0);
+        PendingIntent disconnectPendingIntent = null;
+        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
+            disconnectPendingIntent = PendingIntent.getActivity(this, 0, disconnectVPN, PendingIntent.FLAG_IMMUTABLE);
+        }
+        else {
+            disconnectPendingIntent = PendingIntent.getActivity(this, 0, disconnectVPN, 0);
+
+        }
 
         nbuilder.addAction(R.drawable.ic_menu_close_clear_cancel,
                 getString(R.string.cancel_connection), disconnectPendingIntent);
 
         Intent pauseVPN = new Intent(this, OpenVPNService.class);
         if (mDeviceStateReceiver == null || !mDeviceStateReceiver.isUserPaused()) {
             pauseVPN.setAction(PAUSE_VPN);
-            PendingIntent pauseVPNPending = PendingIntent.getService(this, 0, pauseVPN, 0);
+            PendingIntent pauseVPNPending = null;
+            if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
+                pauseVPNPending = PendingIntent.getService(this, 0, pauseVPN, PendingIntent.FLAG_IMMUTABLE);
+            }
+            else {
+                pauseVPNPending = PendingIntent.getService(this, 0, pauseVPN, 0);
+
+            }
             nbuilder.addAction(R.drawable.ic_menu_pause,
                     getString(R.string.pauseVPN), pauseVPNPending);
 
         } else {
             pauseVPN.setAction(RESUME_VPN);
-            PendingIntent resumeVPNPending = PendingIntent.getService(this, 0, pauseVPN, 0);
+            PendingIntent resumeVPNPending = null;
+            if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
+                resumeVPNPending = PendingIntent.getService(this, 0, pauseVPN, PendingIntent.FLAG_IMMUTABLE);
+            }
+            else {
+                resumeVPNPending = PendingIntent.getService(this, 0, pauseVPN, 0);
+
+            }
             nbuilder.addAction(R.drawable.ic_menu_play,
                     getString(R.string.resumevpn), resumeVPNPending);
         }
@@ -475,7 +502,14 @@ PendingIntent getUserInputIntent(String needed) {
         intent.putExtra("need", needed);
         Bundle b = new Bundle();
         b.putString("need", needed);
-        PendingIntent pIntent = PendingIntent.getActivity(this, 12, intent, 0);
+        PendingIntent pIntent = null;
+        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
+            pIntent = PendingIntent.getActivity(this, 12, intent, PendingIntent.FLAG_IMMUTABLE);
+        }
+        else {
+            pIntent = PendingIntent.getActivity(this, 12, intent, 0);
+
+        }
         return pIntent;
     }
 
@@ -488,7 +522,13 @@ PendingIntent getGraphPendingIntent() {
 
         intent.putExtra("PAGE", "graph");
         intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
-        PendingIntent startLW = PendingIntent.getActivity(this, 0, intent, 0);
+        PendingIntent startLW = null;
+        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
+            startLW = PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_IMMUTABLE);
+        }
+        else {
+            startLW = PendingIntent.getActivity(this, 0, intent, 0);
+        }
         return startLW;
     }
 
@@ -1390,7 +1430,14 @@ public void trigger_sso(String info) {
 
         // updateStateString trigger the notification of the VPN to be refreshed, save this intent
         // to have that notification also this intent to be set
-        PendingIntent pIntent = PendingIntent.getActivity(this, 0, intent, 0);
+        PendingIntent pIntent = null;
+        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
+            pIntent = PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_IMMUTABLE);
+        }
+        else {
+            pIntent = PendingIntent.getActivity(this, 0, intent, 0);
+
+        }
         VpnStatus.updateStateString("USER_INPUT", "waiting for user input", reason, LEVEL_WAITING_FOR_USER_INPUT, intent);
         nbuilder.setContentIntent(pIntent);