fixed stackSize

Author: uis

stacklayout/src/main/java/com/uis/stackview/StackHelper.java

@@ -261,7 +261,7 @@ void executeScroll(int dx) {
 
     void scaleTransChild(int dx){
         int cnt = layout.getChildCount();
-        int stackSize = layout.stackSize;
+        int stackSize = layout.getRealStackSize();
         int size = Math.min(cnt,stackSize)-(cnt==stackSize ? 1:0);
         int first = cnt > stackSize ? 1 : 0;
         int index = 0;