Added notes

app/src/main/java/eu/faircode/netguard/ActivityLog.java

@@ -299,6 +299,8 @@ public class ActivityLog extends AppCompatActivity implements SharedPreferences.
     @Override
     public boolean onPrepareOptionsMenu(Menu menu) {
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
+
+        // https://gist.github.com/granoeste/5574148
         File pcap_file = new File(getCacheDir(), "netguard.pcap");
 
         boolean resolve = prefs.getBoolean("resolve", false);

app/src/main/java/eu/faircode/netguard/ActivitySettings.java

@@ -192,6 +192,7 @@ public class ActivitySettings extends AppCompatActivity implements SharedPrefere
         });
 
         // Handle hosts import
+        // https://github.com/Free-Software-for-Android/AdAway/wiki/HostsSources
         Preference pref_hosts = screen.findPreference("hosts");
         Preference pref_block_domains = screen.findPreference("use_hosts");
         pref_block_domains.setEnabled(new File(getFilesDir(), "hosts.txt").exists());

app/src/main/jni/netguard/netguard.c

@@ -2786,6 +2786,12 @@ jobject create_packet(const struct arguments *args,
     gettimeofday(&start, NULL);
 #endif
 
+    /*
+        jbyte b[] = {1,2,3};
+        jbyteArray ret = env->NewByteArray(3);
+        env->SetByteArrayRegion (ret, 0, 3, b);
+     */
+
     const char *packet = "eu/faircode/netguard/Packet";
     if (midInitPacket == NULL)
         midInitPacket = jniGetMethodID(env, clsPacket, "<init>", "()V");