Responsive Row Column Creation #3 Part 2

*Set null order to max int value.

Author: rayliverified

lib/responsive_row_column.dart

@@ -91,8 +91,9 @@ class ResponsiveRowColumn extends StatelessWidget {
           );
   }
 
-  List<ResponsiveRowColumnItem> buildChildren(
+  List<Widget> buildChildren(
       List<ResponsiveRowColumnItem> children, bool rowColumn, double spacing) {
+    // Sort ResponsiveRowColumnItems by their order.
     List<ResponsiveRowColumnItem> childrenHolder = children;
     childrenHolder.sort((a, b) {
       if (rowColumn) {
@@ -101,10 +102,11 @@ class ResponsiveRowColumn extends StatelessWidget {
         return a.columnOrder.compareTo(b.columnOrder);
       }
     });
-    List<Widget> widgetList = childrenHolder;
-    for (int i = 0; i < children.length; i++) {
-      widgetList.add(children[i]);
-      if (spacing != null && i != children.length - 1)
+    // Add padding between items.
+    List<Widget> widgetList = [];
+    for (int i = 0; i < childrenHolder.length; i++) {
+      widgetList.add(childrenHolder[i]);
+      if (spacing != null && i != childrenHolder.length - 1)
         widgetList.add(Padding(padding: EdgeInsets.only(bottom: spacing)));
     }
     return widgetList;
@@ -122,8 +124,8 @@ class ResponsiveRowColumnItem extends StatelessWidget {
   const ResponsiveRowColumnItem(
       {Key key,
       @required this.child,
-      this.rowOrder,
-      this.columnOrder,
+      this.rowOrder = 1073741823,
+      this.columnOrder = 1073741823,
       this.isFlexible = false,
       this.flex,
       this.flexFit})

lib/responsive_value.dart

@@ -142,8 +142,8 @@ class ResponsiveVisibility extends StatelessWidget {
     conditions.sort((a, b) => a.breakpoint.compareTo(b.breakpoint));
     // Get visible value from active condition.
     visibleValue = ResponsiveValue(context,
-        defaultValue: visibleValue,
-        valueWhen: [Condition.smallerThan(name: DESKTOP, value: false)]).value;
+            defaultValue: visibleValue, valueWhen: conditions)
+        .value;
 
     return Visibility(
       child: child,
@@ -175,19 +175,19 @@ class Condition<T> {
         assert(breakpoint == null || name == null),
         assert((condition == Conditional.EQUALS) ? name != null : true);
 
-  Condition.equals({@required String name, @required T value})
+  Condition.equals({@required String name, T value})
       : this.breakpoint = null,
         this.name = name,
         this.condition = Conditional.EQUALS,
         this.value = value;
 
-  Condition.largerThan({int breakpoint, String name, @required T value})
+  Condition.largerThan({int breakpoint, String name, T value})
       : this.breakpoint = breakpoint,
         this.name = name,
         this.condition = Conditional.LARGER_THAN,
         this.value = value;
 
-  Condition.smallerThan({int breakpoint, String name, @required T value})
+  Condition.smallerThan({int breakpoint, String name, T value})
       : this.breakpoint = breakpoint,
         this.name = name,
         this.condition = Conditional.SMALLER_THAN,