Added reformatted hint

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

@@ -430,6 +430,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
         private ImageButton ibInbox;
         private ImageButton ibMore;
         private ImageButton ibTools;
+        private TextView tvReformatted;
         private TextView tvSignedData;
 
         private TextView tvBody;
@@ -638,6 +639,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             ibInbox = vsBody.findViewById(R.id.ibInbox);
             ibMore = vsBody.findViewById(R.id.ibMore);
             ibTools = vsBody.findViewById(R.id.ibTools);
+            tvReformatted = vsBody.findViewById(R.id.tvReformatted);
             tvSignedData = vsBody.findViewById(R.id.tvSignedData);
 
             tvBody = vsBody.findViewById(R.id.tvBody);
@@ -1300,6 +1302,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             ibInbox.setVisibility(View.GONE);
             ibMore.setVisibility(View.GONE);
             ibTools.setVisibility(View.GONE);
+            tvReformatted.setVisibility(View.GONE);
             tvSignedData.setVisibility(View.GONE);
 
             tvNoInternetBody.setVisibility(View.GONE);
@@ -1434,6 +1437,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             ibInbox.setVisibility(View.GONE);
             ibMore.setVisibility(View.GONE);
             ibTools.setVisibility(View.GONE);
+            tvReformatted.setVisibility(View.GONE);
             tvSignedData.setVisibility(View.GONE);
 
             // Message text
@@ -2179,6 +2183,9 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                                     EntityMessage.SMIME_SIGNENCRYPT.equals(message.ui_encrypt))
                             ? View.VISIBLE : View.GONE);
 
+                    boolean reformatted_hint = prefs.getBoolean("reformatted_hint", true);
+                    tvReformatted.setVisibility(reformatted_hint ? View.VISIBLE : View.GONE);
+
                     boolean signed_data = args.getBoolean("signed_data");
                     tvSignedData.setVisibility(signed_data ? View.VISIBLE : View.GONE);
 
@@ -3494,6 +3501,11 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
         }
 
         private void onShow(final TupleMessageEx message, boolean full) {
+            if (full && tvReformatted.getVisibility() == View.VISIBLE) {
+                prefs.edit().putBoolean("reformatted_hint", false).apply();
+                tvReformatted.setVisibility(View.GONE);
+            }
+
             boolean current = properties.getValue(full ? "full" : "images", message.id);
             boolean asked = properties.getValue(full ? "full_asked" : "images_asked", message.id);
             if (current || asked) {

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

@@ -110,7 +110,7 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
     private final static String[] RESET_QUESTIONS = new String[]{
             "welcome", "first", "app_support", "notify_archive", "message_swipe", "message_select", "folder_actions", "folder_sync",
             "crash_reports_asked", "review_asked", "review_later", "why",
-            "reply_hint", "html_always_images", "print_html_confirmed",
+            "reply_hint", "html_always_images", "print_html_confirmed", "reformatted_hint",
             "selected_folders", "move_1_confirmed", "move_n_confirmed",
             "last_search_senders", "last_search_recipients", "last_search_subject", "last_search_keywords", "last_search_message", "last_search",
             "identities_asked", "cc_bcc", "inline_image_hint", "compose_reference", "send_dialog",

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

@@ -271,6 +271,17 @@
         app:layout_constraintTop_toBottomOf="@id/vSeparator"
         app:srcCompat="@drawable/baseline_fullscreen_24" />
 
+    <eu.faircode.email.FixedTextView
+        android:id="@+id/tvReformatted"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:text="@string/title_reformatted"
+        android:textAppearance="@style/TextAppearance.AppCompat.Small"
+        android:textStyle="italic"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/ibFull" />
+
     <eu.faircode.email.FixedTextView
         android:id="@+id/tvSignedData"
         android:layout_width="0dp"
@@ -278,7 +289,8 @@
         android:gravity="center"
         android:text="@string/title_signed_data"
         android:textAppearance="@style/TextAppearance.AppCompat.Small"
+        android:textStyle="italic"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/ibVerify" />
+        app:layout_constraintTop_toBottomOf="@id/tvReformatted" />
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -874,6 +874,7 @@
 
     <string name="title_expand_warning">Expanding this message will download %1$s</string>
     <string name="title_download_message">Downloading &#8230;</string>
+    <string name="title_reformatted">This is the reformatted message view. You can tap on the &#x26F6; icon to view the original message and to hide this message.</string>
 
     <string name="title_compose">Compose</string>
     <string name="title_submitter">Sent by:</string>