android 10 support added.

app/build.gradle

@@ -3,15 +3,15 @@ apply plugin: 'com.android.application'
 apply plugin: 'com.google.firebase.firebase-perf'
 apply plugin: 'io.fabric'
 android {
-    compileSdkVersion 28
+    compileSdkVersion 29
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
     defaultConfig {
         applicationId "com.buzz.vpn"
         minSdkVersion 21
-        targetSdkVersion 28
+        targetSdkVersion 29
         vectorDrawables.useSupportLibrary = true
         // api.major.patch
         // api when you obsolete the existing api
@@ -25,7 +25,7 @@ android {
         versionName "2.8.2000"
         //abiFilters "armeabi-v7a"
         ndk {
-            abiFilters "arm64-v8a", "armeabi-v7a"
+            abiFilters "arm64-v8a", "armeabi-v7a", "x86", "x86_64"
         }
         resConfigs "en", "zh-rCN"
     }

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

@@ -31,15 +31,11 @@
 import android.os.Message;
 import android.os.ParcelFileDescriptor;
 import android.os.RemoteException;
-
-import androidx.annotation.RequiresApi;
-import androidx.core.app.NotificationCompat;
 import android.system.OsConstants;
 import android.text.TextUtils;
 import android.util.Log;
 import android.widget.Toast;
 
-import com.buzz.vpn.BuildConfig;
 import com.buzz.vpn.Data;
 import com.buzz.vpn.MainActivity;
 import com.buzz.vpn.R;
@@ -59,7 +55,8 @@
 import java.util.Vector;
 import java.util.concurrent.TimeUnit;
 
-
+import androidx.annotation.RequiresApi;
+import androidx.core.app.NotificationCompat;
 import de.blinkt.openvpn.VpnProfile;
 import de.blinkt.openvpn.core.VpnStatus.ByteCountListener;
 import de.blinkt.openvpn.core.VpnStatus.StateListener;
@@ -540,7 +537,7 @@ private void startOpenVPN() {
         // Start a new session by creating a new thread.
         SharedPreferences prefs = Preferences.getDefaultSharedPreferences(this);
         mOvpn3 = prefs.getBoolean("ovpn3", false);
-        if (!"ovpn3".equals(BuildConfig.FLAVOR)) mOvpn3 = false;
+        //if (!"ovpn3".equals(BuildConfig.FLAVOR)) mOvpn3 = false;
         // Open the Management Interface
         if (!mOvpn3) {
             // start a Thread that handles incoming messages of the managment socket

app/src/main/java/de/blinkt/openvpn/core/VPNLaunchHelper.java

@@ -25,13 +25,16 @@ public class VPNLaunchHelper {
     private static final String MINIPIEVPN = "pie_openvpn";
     private static final String OVPNCONFIGFILE = "android.conf";
     private static String writeMiniVPN(Context context) {
+        String nativeAPI = NativeUtils.getNativeAPI();
+        /* Q does not allow executing binaries written in temp directory anymore */
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P)
+            return new File(context.getApplicationInfo().nativeLibraryDir, "libovpnexec.so").getPath();
         String[] abis;
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
             abis = getSupportedABIsLollipop();
         else
             //noinspection deprecation
             abis = new String[]{Build.CPU_ABI, Build.CPU_ABI2};
-        String nativeAPI = NativeUtils.getNativeAPI();
         if (!nativeAPI.equals(abis[0])) {
             VpnStatus.logWarning(R.string.abi_mismatch, Arrays.toString(abis), nativeAPI);
             abis = new String[]{nativeAPI};

build.gradle

@@ -10,7 +10,7 @@ buildscript {
 
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.3'
+        classpath 'com.android.tools.build:gradle:4.0.1'
         classpath 'com.google.gms:google-services:4.3.3'
         classpath 'com.google.firebase:perf-plugin:1.3.1'
         classpath 'io.fabric.tools:gradle:1.30.0'

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Mon Apr 29 07:49:03 IST 2019
+#Fri Sep 04 14:33:57 IST 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip