BeeScaffold add FAB option

lib/pages/community/community_index.dart

@@ -103,7 +103,6 @@ class _CommunityIndexState extends State<CommunityIndex>
       child: Icon(
         Icons.add,
         color: Colors.white,
-        size: 40.sp,
       ),
       onPressed: noteCreateRouter,
     );
@@ -115,61 +114,53 @@ class _CommunityIndexState extends State<CommunityIndex>
     return BeeScaffold(
       title: '社区',
       actions: _listActions(),
-      body: Stack(
+      body: Column(
         children: [
-          Column(
-            children: [
-              Material(
-                color: kForeGroundColor,
-                child: PreferredSize(
-                  preferredSize: Size.fromHeight(kToolbarHeight),
-                  child: Align(
-                    alignment: Alignment.centerLeft,
-                    child: TabBar(
-                      indicatorPadding: EdgeInsets.zero,
-                      controller: _tabController,
-                      isScrollable: true,
-                      indicatorColor: Color(0xffFFd000),
-                      indicatorWeight: 2.w,
-                      indicatorSize: TabBarIndicatorSize.label,
-                      unselectedLabelStyle: TextStyle(
-                        color: Color(0xFF333333),
-                        fontSize: 28.sp,
-                      ),
-                      labelStyle: TextStyle(
-                        fontSize: 28.sp,
-                        color: Color(0xff333333),
-                        fontWeight: FontWeight.bold,
-                      ),
-                      tabs: List.generate(
-                        tabs.length,
-                        (index) => Tab(
-                          text: tabs[index]['name'],
-                        ),
-                      ),
-                    ),
-                  ),
-                ),
-              ),
-              Expanded(
-                child: TabBarView(
+          Material(
+            color: kForeGroundColor,
+            child: PreferredSize(
+              preferredSize: Size.fromHeight(kToolbarHeight),
+              child: Align(
+                alignment: Alignment.centerLeft,
+                child: TabBar(
+                  indicatorPadding: EdgeInsets.zero,
                   controller: _tabController,
-                  children: List.generate(
+                  isScrollable: true,
+                  indicatorColor: Color(0xffFFd000),
+                  indicatorWeight: 2.w,
+                  indicatorSize: TabBarIndicatorSize.label,
+                  unselectedLabelStyle: TextStyle(
+                    color: Color(0xFF333333),
+                    fontSize: 28.sp,
+                  ),
+                  labelStyle: TextStyle(
+                    fontSize: 28.sp,
+                    color: Color(0xff333333),
+                    fontWeight: FontWeight.bold,
+                  ),
+                  tabs: List.generate(
                     tabs.length,
-                    (index) => TabList(index: index),
+                    (index) => Tab(
+                      text: tabs[index]['name'],
+                    ),
                   ),
                 ),
               ),
-              // _floatingActionButton(),
-            ],
+            ),
+          ),
+          Expanded(
+            child: TabBarView(
+              controller: _tabController,
+              children: List.generate(
+                tabs.length,
+                (index) => TabList(index: index),
+              ),
+            ),
           ),
-          Positioned(
-            right: 30.w,
-            bottom: 50.w,
-            child: _floatingActionButton(),
-          )
+          // _floatingActionButton(),
         ],
       ),
+      fab: _floatingActionButton(),
     );
   }
 }

lib/widget/bee_scaffold.dart

@@ -22,28 +22,31 @@ class BeeScaffold extends StatefulWidget {
   final Widget leading;
   final Widget bottomNavi;
   final PreferredSizeWidget appBarBottom;
-  BeeScaffold(
-      {Key key,
-      @required this.title,
-      this.body,
-      this.actions,
-      this.leading,
-      this.bgColor = Colors.white,
-      this.bodyColor = const Color(0xFFF9F9F9),
-      this.bottomNavi,
-      this.appBarBottom})
-      : super(key: key);
+  final FloatingActionButton fab;
+  BeeScaffold({
+    Key key,
+    @required this.title,
+    this.body,
+    this.actions,
+    this.leading,
+    this.bgColor = Colors.white,
+    this.bodyColor = const Color(0xFFF9F9F9),
+    this.bottomNavi,
+    this.appBarBottom,
+    this.fab,
+  }) : super(key: key);
 
-  BeeScaffold.white(
-      {Key key,
-      @required this.title,
-      this.body,
-      this.actions,
-      this.leading,
-      this.bgColor = Colors.white,
-      this.bottomNavi,
-      this.appBarBottom})
-      : this.bodyColor = Colors.white,
+  BeeScaffold.white({
+    Key key,
+    @required this.title,
+    this.body,
+    this.actions,
+    this.leading,
+    this.bgColor = Colors.white,
+    this.bottomNavi,
+    this.appBarBottom,
+    this.fab,
+  })  : this.bodyColor = Colors.white,
         super(key: key);
 
   @override
@@ -67,6 +70,7 @@ class _BeeScaffoldState extends State<BeeScaffold> {
       ),
       body: widget.body,
       bottomNavigationBar: widget.bottomNavi,
+      floatingActionButton: widget.fab,
     );
   }
 }