Added hint about long press folder

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

@@ -33,6 +33,7 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ProgressBar;
+import android.widget.Toast;
 
 import java.util.List;
 
@@ -86,6 +87,9 @@ public class FragmentFolders extends Fragment {
             }
         });
 
+        // Show hint
+        Toast.makeText(getContext(), R.string.title_item_edit_hint, Toast.LENGTH_SHORT).show();
+
         return view;
     }
 

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

@@ -111,4 +111,6 @@
     <string name="title_draft_deleted">Draft deleted</string>
     <string name="title_draft_saved">Draft saved</string>
     <string name="title_queued">Message queued</string>
+
+    <string name="title_item_edit_hint">Long press item to edit properties</string>
 </resources>