rand dart fix

deprecated/responsive_scaffold/lib/templates/list/views/mobile.dart

@@ -69,11 +69,10 @@ class MobileView extends StatelessWidget {
         ..addAll(slivers ?? [])
         ..add(Builder(
           builder: (BuildContext context) {
-            if (childDelagate?.estimatedChildCount == null && nullItems != null)
+            if (childDelagate.estimatedChildCount == null)
               return SliverFillRemaining(child: nullItems);
-            if (childDelagate?.estimatedChildCount != null &&
-                childDelagate.estimatedChildCount == 0 &&
-                emptyItems != null)
+            if (childDelagate.estimatedChildCount != null &&
+                childDelagate.estimatedChildCount == 0)
               return SliverFillRemaining(child: emptyItems);
             return SliverList(
                 delegate: SliverChildBuilderDelegate(
@@ -101,7 +100,7 @@ class MobileView extends StatelessWidget {
                   ),
                 );
               },
-              childCount: childDelagate?.estimatedChildCount ?? 0,
+              childCount: childDelagate.estimatedChildCount ?? 0,
               addAutomaticKeepAlives: false,
               addRepaintBoundaries: false,
               addSemanticIndexes: false,

deprecated/responsive_scaffold/lib/templates/list/views/tablet.dart

@@ -171,40 +171,38 @@ class _TabletViewState extends State<TabletView> {
       body: Flex(
         direction: Axis.horizontal,
         children: <Widget>[
-          widget?.sideMenu ?? Container(),
+          widget.sideMenu ?? Container(),
           Flexible(
             flex: widget.flexListView,
             child: Scaffold(
-              key: widget?.scaffoldkey,
-              floatingActionButton: widget?.floatingActionButton,
+              key: widget.scaffoldkey,
+              floatingActionButton: widget.floatingActionButton,
               floatingActionButtonLocation:
-                  widget?.floatingActionButtonLocation,
-              bottomNavigationBar: widget?.bottomNavigationBar,
-              bottomSheet: widget?.bottomSheet,
-              persistentFooterButtons: widget?.persistentFooterButtons,
+                  widget.floatingActionButtonLocation,
+              bottomNavigationBar: widget.bottomNavigationBar,
+              bottomSheet: widget.bottomSheet,
+              persistentFooterButtons: widget.persistentFooterButtons,
               floatingActionButtonAnimator:
-                  widget?.floatingActionButtonAnimator,
-              resizeToAvoidBottomInset: widget?.resizeToAvoidBottomInset,
-              resizeToAvoidBottomPadding: widget?.resizeToAvoidBottomPadding,
-              primary: widget?.primary,
+                  widget.floatingActionButtonAnimator,
+              resizeToAvoidBottomInset: widget.resizeToAvoidBottomInset,
+              resizeToAvoidBottomInset: widget.resizeToAvoidBottomPadding,
+              primary: widget.primary,
               // extendBody: extendBody,
-              backgroundColor: widget?.backgroundColor,
-              drawer: widget?.drawer,
-              endDrawer: widget?.endDrawer,
-              appBar: widget?.appBar,
+              backgroundColor: widget.backgroundColor,
+              drawer: widget.drawer,
+              endDrawer: widget.endDrawer,
+              appBar: widget.appBar,
               body: CustomScrollView(
                 slivers: <Widget>[]
                   ..addAll(widget.slivers ?? [])
                   ..add(Builder(
                     builder: (BuildContext context) {
                       SliverChildDelegate _childDelagate =
-                          widget?.childDelagate;
-                      if (_childDelagate?.estimatedChildCount == null &&
-                          widget?.nullItems != null)
+                          widget.childDelagate;
+                      if (_childDelagate.estimatedChildCount == null)
                         return SliverFillRemaining(child: widget.nullItems);
-                      if (_childDelagate?.estimatedChildCount != null &&
-                          _childDelagate.estimatedChildCount == 0 &&
-                          widget?.emptyItems != null)
+                      if (_childDelagate.estimatedChildCount != null &&
+                          _childDelagate.estimatedChildCount == 0)
                         return SliverFillRemaining(child: widget.emptyItems);
                       return SliverList(
                           delegate: SliverChildBuilderDelegate(
@@ -224,7 +222,7 @@ class _TabletViewState extends State<TabletView> {
                                       ? Theme.of(context)
                                           .chipTheme
                                           .disabledColor
-                                      : widget?.backgroundColor,
+                                      : widget.backgroundColor,
                                   padding:
                                       const EdgeInsets.symmetric(vertical: 8.0),
                                   child: _childDelagate.build(context, index),
@@ -233,7 +231,7 @@ class _TabletViewState extends State<TabletView> {
                             ),
                           );
                         },
-                        childCount: _childDelagate?.estimatedChildCount ?? 0,
+                        childCount: _childDelagate.estimatedChildCount ?? 0,
                         addAutomaticKeepAlives: false,
                         addRepaintBoundaries: false,
                         addSemanticIndexes: false,
@@ -246,12 +244,11 @@ class _TabletViewState extends State<TabletView> {
           Flexible(
             flex: widget.flexDetailView,
             child: new _DetailView(
-              detailScaffoldKey: widget?.detailScaffoldKey,
-              details: _index == null ||
-                      _index > widget.childDelagate.estimatedChildCount - 1
+              detailScaffoldKey: widget.detailScaffoldKey,
+              details: _index > widget.childDelagate.estimatedChildCount - 1
                   ? null
                   : widget.detailBuilder(context, _index, true),
-              itemNotSelected: widget?.itemNotSelected,
+              itemNotSelected: widget.itemNotSelected,
             ),
           ),
         ],