Added hint

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

@@ -385,6 +385,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
         private ImageButton ibRemove;
         private ImageButton ibMore;
         private TextView tvSignedData;
+        private TextView tvCrossHint;
 
         private TextView tvBody;
         private View wvBody;
@@ -568,6 +569,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             ibRemove = vsBody.findViewById(R.id.ibRemove);
             ibMore = vsBody.findViewById(R.id.ibMore);
             tvSignedData = vsBody.findViewById(R.id.tvSignedData);
+            tvCrossHint = vsBody.findViewById(R.id.tvCrossHint);
 
             tvBody = vsBody.findViewById(R.id.tvBody);
             wvBody = vsBody.findViewById(R.id.wvBody);
@@ -1141,6 +1143,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             ibRemove.setVisibility(View.GONE);
             ibMore.setVisibility(View.GONE);
             tvSignedData.setVisibility(View.GONE);
+            tvCrossHint.setVisibility(View.GONE);
 
             tvBody.setVisibility(View.GONE);
             wvBody.setVisibility(View.GONE);
@@ -1283,6 +1286,9 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
                 tvNoInternetHeaders.setVisibility(View.GONE);
             }
 
+            SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+            boolean cross_hint = prefs.getBoolean("cross_hint", true);
+
             vSeparator.setVisibility(View.VISIBLE);
             ibFull.setEnabled(false);
             ibFull.setVisibility(View.VISIBLE);
@@ -1294,6 +1300,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
             ibRemove.setVisibility(message.folderReadOnly ? View.GONE : View.VISIBLE);
             ibMore.setVisibility(EntityFolder.OUTBOX.equals(message.folderType) ? View.GONE : View.VISIBLE);
             tvSignedData.setVisibility(View.GONE);
+            tvCrossHint.setVisibility(cross_hint ? View.VISIBLE : View.GONE);
 
             // Addresses
             ibExpanderAddress.setImageLevel(show_addresses ? 0 /* less */ : 1 /* more */);
@@ -3006,6 +3013,10 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
         }
 
         private void onActionRemove(TupleMessageEx message) {
+            SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+            prefs.edit().putBoolean("cross_hint", false).apply();
+            tvCrossHint.setVisibility(View.GONE);
+
             // Setup actions
             Bundle sargs = new Bundle();
             sargs.putLong("id", message.id);

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

@@ -81,7 +81,7 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
     };
 
     private final static String[] RESET_QUESTIONS = new String[]{
-            "welcome", "crash_reports_asked", "review_asked", "review_later", "why",
+            "welcome", "crash_reports_asked", "review_asked", "review_later", "cross_hint", "why",
             "reply_hint", "html_always_images", "print_html_confirmed", "move_1_confirmed", "move_n_confirmed",
             "identities_asked", "cc_bcc", "inline_image_hint", "compose_reference", "send_dialog",
             "setup_advanced"

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

@@ -150,5 +150,17 @@
         android:textAppearance="@style/TextAppearance.AppCompat.Small"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/ibVerify" />
+        app:layout_constraintTop_toBottomOf="@id/ibFull" />
+
+    <eu.faircode.email.FixedTextView
+        android:id="@+id/tvCrossHint"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="6dp"
+        android:text="@string/title_message_bar_hint"
+        android:textAppearance="@style/TextAppearance.AppCompat.Small"
+        android:textStyle="italic"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="@id/ibRemove"
+        app:layout_constraintTop_toBottomOf="@id/tvSignedData" />
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -734,6 +734,7 @@
     <string name="title_ask_help">Help improve FairEmail</string>
     <string name="title_ask_reporting">Send error reports?</string>
     <string name="title_reporting_why">Error reporting will help improve FairEmail</string>
+    <string name="title_message_bar_hint">Tap the cross icon to archive, delete or report a message as spam and to remove this notice</string>
 
     <string name="title_ask_review">Please review FairEmail</string>
     <string name="title_ask_review_rationale">