Added open link info button

FAQ.md

@@ -1478,7 +1478,7 @@ this is even less secure because Google is involved too without providing much b
 
 You can show images and original messages by default for trusted senders on a case-by-case basis by checking *Do not ask this again for ...*.
 
-If you want to reset the default *Open with* apps, please [see here](https://www.androidauthority.com/how-to-set-default-apps-android-clear-621269/).
+If you want to reset the default *Open with* apps, please [see here](https://support.google.com/pixelphone/answer/6271667).
 
 <br />
 

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

@@ -124,6 +124,7 @@ public class FragmentDialogOpenLink extends FragmentDialogBase {
 
         // Get views
         final View dview = LayoutInflater.from(context).inflate(R.layout.dialog_open_link, null);
+        final ImageButton ibInfo = dview.findViewById(R.id.ibInfo);
         final TextView tvTitle = dview.findViewById(R.id.tvTitle);
         final ImageButton ibDifferent = dview.findViewById(R.id.ibDifferent);
         final EditText etLink = dview.findViewById(R.id.etLink);
@@ -144,6 +145,13 @@ public class FragmentDialogOpenLink extends FragmentDialogBase {
         final Group grpDifferent = dview.findViewById(R.id.grpDifferent);
         final Group grpOwner = dview.findViewById(R.id.grpOwner);
 
+        ibInfo.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Helper.viewFAQ(v.getContext(), 35);
+            }
+        });
+
         ibDifferent.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {

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

@@ -12,13 +12,28 @@
 
         <eu.faircode.email.FixedTextView
             android:id="@+id/tvCaption"
-            android:layout_width="wrap_content"
+            android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:text="@string/title_open_link"
             android:textAppearance="@style/TextAppearance.AppCompat.Large"
+            app:layout_constraintEnd_toStartOf="@+id/ibInfo"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent" />
 
+        <ImageButton
+            android:id="@+id/ibInfo"
+            android:layout_width="36dp"
+            android:layout_height="36dp"
+            android:background="?android:attr/selectableItemBackgroundBorderless"
+            android:contentDescription="@string/title_info"
+            android:padding="6dp"
+            android:scaleType="fitCenter"
+            android:tint="?attr/colorAccent"
+            android:tooltipText="@string/title_info"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:srcCompat="@drawable/twotone_info_24" />
+
         <eu.faircode.email.FixedTextView
             android:id="@+id/tvTitle"
             android:layout_width="0dp"