Add malware detection docs link to the app

Closes #140

app/src/main/java/com/emanuelef/remote_capture/activities/MainActivity.java

@@ -97,8 +97,9 @@ public class MainActivity extends BaseActivity implements NavigationView.OnNavig
 
     public static final String TELEGRAM_GROUP_NAME = "PCAPdroid";
     public static final String GITHUB_PROJECT_URL = "https://github.com/emanuele-f/PCAPdroid";
-    public static final String GITHUB_DOCS_URL = "https://emanuele-f.github.io/PCAPdroid";
+    public static final String DOCS_URL = "https://emanuele-f.github.io/PCAPdroid";
     public static final String DONATE_URL = "https://emanuele-f.github.io/PCAPdroid/donate";
+    public static final String MALWARE_DETECTION_DOCS_URL = DOCS_URL + "/paid_features#51-malware-detection";
 
     private final ActivityResultLauncher<Intent> pcapFileLauncher =
             registerForActivityResult(new StartActivityForResult(), this::pcapFileResult);
@@ -352,7 +353,7 @@ public class MainActivity extends BaseActivity implements NavigationView.OnNavig
         } else if (id == R.id.action_open_telegram) {
             openTelegram();
         } else if (id == R.id.action_open_user_guide) {
-            Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(GITHUB_DOCS_URL));
+            Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(DOCS_URL));
             startActivity(browserIntent);
         } else if (id == R.id.action_stats) {
             if(mState == AppState.running) {

app/src/main/java/com/emanuelef/remote_capture/fragments/MalwareStatusFragment.java

@@ -21,10 +21,14 @@ package com.emanuelef.remote_capture.fragments;
 
 import android.content.Context;
 import android.content.Intent;
+import android.net.Uri;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
 import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
@@ -42,6 +46,8 @@ import com.emanuelef.remote_capture.PCAPdroid;
 import com.emanuelef.remote_capture.R;
 import com.emanuelef.remote_capture.Utils;
 import com.emanuelef.remote_capture.activities.ConnectionsActivity;
+import com.emanuelef.remote_capture.activities.MainActivity;
+import com.emanuelef.remote_capture.adapters.ListEditAdapter;
 import com.emanuelef.remote_capture.model.Blacklists;
 import com.emanuelef.remote_capture.model.FilterDescriptor;
 
@@ -63,6 +69,7 @@ public class MalwareStatusFragment extends Fragment {
     @Override
     public View onCreateView(LayoutInflater inflater,
                              ViewGroup container, Bundle savedInstanceState) {
+        setHasOptionsMenu(true);
         return inflater.inflate(R.layout.malware_detection_status, container, false);
     }
 
@@ -108,6 +115,24 @@ public class MalwareStatusFragment extends Fragment {
         mHandler.removeCallbacksAndMessages(null);
     }
 
+    @Override
+    public void onCreateOptionsMenu(@NonNull Menu menu, MenuInflater inflater) {
+        inflater.inflate(R.menu.docs_menu, menu);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
+        int id = item.getItemId();
+
+        if(id == R.id.user_guide) {
+            Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(MainActivity.MALWARE_DETECTION_DOCS_URL));
+            startActivity(browserIntent);
+            return true;
+        }
+
+        return false;
+    }
+
     private void updateStatus() {
         Context ctx = requireContext();
         ConnectionsRegister reg = CaptureService.getConnsRegister();

app/src/main/res/menu/docs_menu.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <item
+        android:id="@+id/user_guide"
+        android:title="@string/user_guide"
+        android:orderInCategory="10"
+        android:icon="@drawable/ic_book"
+        app:showAsAction="ifRoom" />
+</menu>

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

@@ -156,7 +156,7 @@
     <string name="show_only_malicious">Connessioni malevole</string>
     <string name="security">Sicurezza</string>
     <string name="malware_detection">Rilevamento Malware</string>
-    <string name="malware_detection_summary">Rileva le connessioni a host malevoli tramite blacklist di terze parti. Il rilevamento potrebbe genare falsi positivi e non sostituisce un antivirus.</string>
+    <string name="malware_detection_summary">Rileva le connessioni a host malevoli tramite blacklist di terze parti.</string>
     <string name="reset">Reimposta</string>
     <string name="malware_whitelist">Whitelist Malware</string>
     <string name="malware_whitelist_rules">Regole della Whitelist Malware</string>

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

@@ -157,7 +157,7 @@
     <string name="show_only_malicious">Вредоносные соединения</string>
     <string name="security">Безопасность</string>
     <string name="malware_detection">Обнаружение вредоносных соединений</string>
-    <string name="malware_detection_summary">Обнаружение соединений с известными вредоносными хостами на основе использования сторонних черных списков. Данная опция может давать ложные срабатывания и не является альтернативой антивирусам.</string>
+    <string name="malware_detection_summary">Обнаружение соединений с известными вредоносными хостами на основе использования сторонних черных списков.</string>
     <string name="reset">Сбросить</string>
     <string name="malware_whitelist">Белый список вредоносов</string>
     <string name="malware_whitelist_rules">Правила игнорирования вредоносов</string>

app/src/main/res/values-zh-rCN/strings.xml

@@ -167,7 +167,7 @@
     <string name="show_only_malicious">恶意连接</string>
     <string name="security">安全</string>
     <string name="malware_detection">恶意软件检测</string>
-    <string name="malware_detection_summary">通过第三方黑名单检测到已知恶意主机的连接。这种检测可能产生误报，并不是反病毒软件的有效替代方案。</string>
+    <string name="malware_detection_summary">通过第三方黑名单检测到已知恶意主机的连接。</string>
     <string name="reset">重置</string>
     <string name="malware_whitelist">恶意软件白名单</string>
     <string name="malware_whitelist_rules">恶意软件白名单规则</string>

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

@@ -182,7 +182,7 @@
     <string name="show_only_malicious">Malicious connections</string>
     <string name="security">Security</string>
     <string name="malware_detection">Malware Detection</string>
-    <string name="malware_detection_summary">Detect connections to known malicious hosts via third-party blacklists. The detection can produce false positives and is not a valid alternative to an antivirus.</string>
+    <string name="malware_detection_summary">Detect connections to known malicious hosts via third-party blacklists.</string>
     <string name="reset">Reset</string>
     <string name="malware_whitelist">Malware Whitelist</string>
     <string name="malware_whitelist_rules">Malware Whitelist Rules</string>
@@ -233,5 +233,5 @@
     <string name="malware_status_update_failed">Some blacklists are outdated</string>
     <string name="update_now">Update now</string>
     <string name="status_updating">Updating…</string>
-</resources>
-
+    <string name="malware_detection_learn_more">Learn more about the malware detection feature</string>
+</resources>

app/src/main/res/xml/root_preferences.xml

@@ -120,6 +120,14 @@
             app:iconSpaceReserved="false"
             app:summary="@string/malware_detection_summary"
             app:defaultValue="false" />
+
+        <Preference
+            app:key="malware_detection_docs"
+            app:title="@string/malware_detection_learn_more"
+            app:iconSpaceReserved="false">
+            <intent android:action="android.intent.action.VIEW"
+                android:data="https://emanuele-f.github.io/PCAPdroid/paid_features#51-malware-detection" />
+        </Preference>
     </PreferenceCategory>
 
     <PreferenceCategory app:title="@string/other_prefs" app:iconSpaceReserved="false" >