Added comment to describe purpose of onLayoutChange

facebook · Nov 23, 2016 · 4f5bb1e · 4f5bb1e
1 parent 511188d
commit 4f5bb1e
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/ReactAndroid/src/main/java/com/facebook/react/views/scroll/ReactScrollView.java b/ReactAndroid/src/main/java/com/facebook/react/views/scroll/ReactScrollView.java
@@ -364,7 +364,9 @@ public void onChildViewRemoved(View parent, View child) {
   }
 
   /**
-   * Called when a mContentView's layout has changed.
+   * Called when a mContentView's layout has changed. Fixes the scroll position if it's too large
+   * after the content resizes. Without this, the user would see a blank ScrollView when the scroll
+   * position is larger than the ScrollView's max scroll position after the content shrinks.
    */
   @Override
   public void onLayoutChange(View v, int left, int top, int right, int bottom, int oldLeft, int oldTop, int oldRight, int oldBottom) {