Link extra privacy features FAQ

app/src/main/java/eu/faircode/email/FragmentOptions.java

@@ -108,6 +108,7 @@ public class FragmentOptions extends FragmentBase implements SharedPreferences.O
 
     private SwitchCompat swAuthentication;
     private SwitchCompat swParanoid;
+    private TextView tvParanoidHint;
     private SwitchCompat swEnglish;
     private SwitchCompat swUpdates;
     private SwitchCompat swDebug;
@@ -190,6 +191,7 @@ public class FragmentOptions extends FragmentBase implements SharedPreferences.O
 
         swAuthentication = view.findViewById(R.id.swAuthentication);
         swParanoid = view.findViewById(R.id.swParanoid);
+        tvParanoidHint = view.findViewById(R.id.tvParanoidHint);
         swEnglish = view.findViewById(R.id.swEnglish);
         swUpdates = view.findViewById(R.id.swUpdates);
         swDebug = view.findViewById(R.id.swDebug);
@@ -270,6 +272,19 @@ public class FragmentOptions extends FragmentBase implements SharedPreferences.O
             }
         });
 
+        final Intent faq = new Intent(Intent.ACTION_VIEW);
+        faq.setData(Uri.parse(Helper.FAQ_URI + "#user-content-faq86"));
+        faq.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        if (faq.resolveActivity(getContext().getPackageManager()) != null) {
+            tvParanoidHint.getPaint().setUnderlineText(true);
+            tvParanoidHint.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    startActivity(faq);
+                }
+            });
+        }
+
         swEnglish.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
             @Override
             public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {

app/src/main/res/layout/fragment_options.xml

@@ -883,6 +883,19 @@
             app:layout_constraintTop_toBottomOf="@id/swAuthentication"
             app:switchPadding="12dp" />
 
+        <TextView
+            android:id="@+id/tvParanoidHint"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="12dp"
+            android:layout_marginEnd="60dp"
+            android:text="@string/title_advanced_paranoid_hint"
+            android:textAppearance="@style/TextAppearance.AppCompat.Small"
+            android:textStyle="italic"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/swParanoid" />
+
         <androidx.appcompat.widget.SwitchCompat
             android:id="@+id/swUpdates"
             android:layout_width="match_parent"
@@ -892,7 +905,7 @@
             android:layout_marginEnd="12dp"
             android:text="@string/title_advanced_updates"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@id/swParanoid"
+            app:layout_constraintTop_toBottomOf="@id/tvParanoidHint"
             app:switchPadding="12dp" />
 
         <androidx.appcompat.widget.SwitchCompat

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

@@ -219,6 +219,7 @@
     <string name="title_advanced_preview_hint">Only available when message text was downloaded</string>
     <string name="title_advanced_search_local_hint">Instead of searching in the primary archive folder on the server</string>
     <string name="title_advanced_english_hint">This will restart the app</string>
+    <string name="title_advanced_paranoid_hint">See the FAQ for details</string>
 
     <string name="title_select">Select &#8230;</string>
     <string name="title_identity_name">Your name</string>