Can get older conversation message

app/src/main/java/org/communiquons/android/comunic/client/ui/adapters/ConversationMessageAdapter.java

@@ -182,7 +182,7 @@ public class ConversationMessageAdapter extends RecyclerView.Adapter {
                 mUserName.setText(info.getDisplayFullName());
             }
 
-            if(pos < 2)
+            if(pos < 1)
                 setUserInfoVisibility(true);
             else
                 setUserInfoVisibility(

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

@@ -38,6 +38,7 @@ import org.communiquons.android.comunic.client.ui.adapters.ConversationMessageAd
 import org.communiquons.android.comunic.client.ui.listeners.OnScrollChangeDetectListener;
 import org.communiquons.android.comunic.client.ui.utils.BitmapUtils;
 import org.communiquons.android.comunic.client.ui.utils.UiUtils;
+import org.communiquons.android.comunic.client.ui.views.ScrollRecyclerView;
 
 import java.io.FileNotFoundException;
 import java.util.ArrayList;
@@ -110,7 +111,7 @@ public class ConversationFragment extends Fragment
     /**
      * Conversation message listView
      */
-    private RecyclerView convMessRecyclerView;
+    private ScrollRecyclerView convMessRecyclerView;
 
     /**
      * Conversation messages layout manager
@@ -291,7 +292,7 @@ public class ConversationFragment extends Fragment
 
 
         //Set a listener to detect when the user reaches the top of the conversation
-        //TODO : add reach top listener
+        convMessRecyclerView.setOnScrollChangeDetectListener(this);
     }
 
     @Override

app/src/main/java/org/communiquons/android/comunic/client/ui/listeners/OnScrollChangeDetectListener.java

@@ -4,6 +4,7 @@ package org.communiquons.android.comunic.client.ui.listeners;
  * On Scroll change listener
  *
  * This listener works with {@link org.communiquons.android.comunic.client.ui.views.ScrollListView}
+ * and {@link org.communiquons.android.comunic.client.ui.views.ScrollRecyclerView}
  *
  * @author Pierre HUBERT
  * Created by pierre on 4/28/18.

app/src/main/java/org/communiquons/android/comunic/client/ui/views/ScrollRecyclerView.java

@@ -0,0 +1,71 @@
+package org.communiquons.android.comunic.client.ui.views;
+
+import android.content.Context;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.support.v7.widget.RecyclerView;
+import android.util.AttributeSet;
+import android.widget.AbsListView;
+
+import org.communiquons.android.comunic.client.ui.listeners.OnScrollChangeDetectListener;
+
+/**
+ * A view that extends RecyclerView in order to add a listener to detect when
+ * the user scrolll the view
+ *
+ * @author Pierre HUBERT
+ */
+public class ScrollRecyclerView extends RecyclerView {
+
+    private OnScrollChangeDetectListener mOnScrollChangeDetectListener = null;
+
+    public ScrollRecyclerView(@NonNull Context context) {
+        super(context);
+        init();
+    }
+
+    public ScrollRecyclerView(@NonNull Context context, @Nullable AttributeSet attrs) {
+        super(context, attrs);
+        init();
+    }
+
+    public ScrollRecyclerView(@NonNull Context context, @Nullable AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+        init();
+    }
+
+    public void setOnScrollChangeDetectListener(OnScrollChangeDetectListener onScrollChangeDetectListener) {
+        this.mOnScrollChangeDetectListener = onScrollChangeDetectListener;
+    }
+
+    public OnScrollChangeDetectListener getOnScrollChangeDetectListener() {
+        return mOnScrollChangeDetectListener;
+    }
+
+    /**
+     * Initialize the view
+     */
+    private void init(){
+        addOnScrollListener(new PrivateScrollListener());
+    }
+
+    /**
+     * Private class to handle scroll events
+     */
+    private class PrivateScrollListener extends OnScrollListener {
+
+        @Override
+        public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
+            super.onScrolled(recyclerView, dx, dy);
+
+            if(mOnScrollChangeDetectListener == null)
+                return;
+
+            if(!canScrollVertically(1))
+                mOnScrollChangeDetectListener.onReachBottom();
+
+            else if(!canScrollVertically(-1))
+                mOnScrollChangeDetectListener.onReachTop();
+        }
+    }
+}

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

@@ -27,7 +27,7 @@
         android:layout_height="match_parent">
 
         <!-- Messages -->
-        <android.support.v7.widget.RecyclerView
+        <org.communiquons.android.comunic.client.ui.views.ScrollRecyclerView
             android:id="@+id/fragment_conversation_messageslist"
             android:layout_width="match_parent"
             android:layout_height="0dp"