[FUNC] Throw exception if wrong OnScrollListener

konstant2016 · Sep 19, 2014 · 21cdfea · 21cdfea
1 parent f68f90c
commit 21cdfea
Showing 1 changed file with 13 additions and 4 deletions.
diff --git a/library/src/main/java/com/andexert/expandablelayout/library/ExpandableLayoutListView.java b/library/src/main/java/com/andexert/expandablelayout/library/ExpandableLayoutListView.java
@@ -43,19 +43,19 @@ public class ExpandableLayoutListView extends ListView
     public ExpandableLayoutListView(Context context)
     {
         super(context);
-        setOnScrollListener(new OnExpandableLayoutScoolListener());
+        setOnScrollListener(new OnExpandableLayoutScrollListener());
     }
 
     public ExpandableLayoutListView(Context context, AttributeSet attrs)
     {
         super(context, attrs);
-        setOnScrollListener(new OnExpandableLayoutScoolListener());
+        setOnScrollListener(new OnExpandableLayoutScrollListener());
     }
 
     public ExpandableLayoutListView(Context context, AttributeSet attrs, int defStyle)
     {
         super(context, attrs, defStyle);
-        setOnScrollListener(new OnExpandableLayoutScoolListener());
+        setOnScrollListener(new OnExpandableLayoutScrollListener());
     }
 
     @Override
@@ -83,7 +83,16 @@ public boolean performItemClick(View view, int position, long id)
         return super.performItemClick(view, position, id);
     }
 
-    public class OnExpandableLayoutScoolListener implements OnScrollListener
+    @Override
+    public void setOnScrollListener(OnScrollListener l)
+    {
+        if (!(l instanceof OnExpandableLayoutScrollListener))
+            throw new IllegalArgumentException("OnScrollListner must be an OnExpandableLayoutScrollListener");
+
+        super.setOnScrollListener(l);
+    }
+
+    public class OnExpandableLayoutScrollListener implements OnScrollListener
     {
         private int scrollState = 0;