Added no message notcie

app/src/main/java/org/communiquons/android/comunic/client/fragments/ConversationFragment.java

@@ -19,6 +19,7 @@ import android.widget.EditText;
 import android.widget.ImageButton;
 import android.widget.ListView;
 import android.widget.ProgressBar;
+import android.widget.TextView;
 import android.widget.Toast;
 
 import org.communiquons.android.comunic.client.MainActivity;
@@ -34,6 +35,7 @@ import org.communiquons.android.comunic.client.data.conversations.ConversationRe
 import org.communiquons.android.comunic.client.data.conversations.ConversationsInfo;
 import org.communiquons.android.comunic.client.data.conversations.ConversationsListHelper;
 import org.communiquons.android.comunic.client.data.utils.BitmapUtils;
+import org.w3c.dom.Text;
 
 import java.io.FileNotFoundException;
 import java.io.InputStream;
@@ -103,6 +105,11 @@ public class ConversationFragment extends Fragment
      */
     private ProgressBar main_progress_bar;
 
+    /**
+     * No message yet notice
+     */
+    private TextView no_msg_notice;
+
     /**
      * Converstion message listView
      */
@@ -176,9 +183,6 @@ public class ConversationFragment extends Fragment
             throw new RuntimeException(TAG + " requires a valid conversation ID when created !");
         }
 
-        //Get information about the conversation
-
-
     }
 
     @Override
@@ -209,6 +213,10 @@ public class ConversationFragment extends Fragment
         main_progress_bar = view.findViewById(R.id.fragment_conversation_progressbar);
         display_main_progress_bar(true);
 
+        //No message notice
+        no_msg_notice = view.findViewById(R.id.fragment_conversation_noMsgYet);
+        display_not_msg_notice(false);
+
         //Conversation messages listView
         convMessListView = view.findViewById(R.id.fragment_conversation_messageslist);
 
@@ -308,13 +316,17 @@ public class ConversationFragment extends Fragment
         //Hide main progress bar
         display_main_progress_bar(false);
 
+        //Display no message notice
+        display_not_msg_notice(true);
+
     }
 
     @Override
     public void onAddMessage(int lastID, @NonNull ArrayList<ConversationMessage> newMessages) {
 
-        //Remove main progress bar
+        //Remove main progress bar and no message notice
         display_main_progress_bar(false);
+        display_not_msg_notice(false);
 
         final ArrayList<Integer> usersToFetch = new ArrayList<>();
 
@@ -549,4 +561,13 @@ public class ConversationFragment extends Fragment
     private void display_main_progress_bar(boolean visible){
         main_progress_bar.setVisibility(visible ? View.VISIBLE : View.GONE);
     }
+
+    /**
+     * Update the visibility status of the "no message notice"
+     *
+     * @param visible True to make the progress bar visible
+     */
+    private void display_not_msg_notice(boolean visible){
+        no_msg_notice.setVisibility(visible ? View.VISIBLE : View.GONE);
+    }
 }

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

@@ -11,6 +11,15 @@
         android:layout_gravity="center"
         android:layout_marginTop="10dp"/>
 
+    <!-- No message notice -->
+    <TextView
+        android:id="@+id/fragment_conversation_noMsgYet"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/fragment_conversation_no_msg"
+        android:textAlignment="center"
+        android:layout_marginTop="10dp"/>
+
     <!-- Messages -->
     <ListView
         android:id="@+id/fragment_conversation_messageslist"

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

@@ -73,4 +73,5 @@
     <string name="popup_deleteconversation_confirm">Delete</string>
     <string name="popup_deleteconversation_cancel">Cancel</string>
     <string name="fragment_conversationslist_err_del_conversation">Could not delete conversation !</string>
+    <string name="fragment_conversation_no_msg">No message yet.</string>
 </resources>