commit

lib/ClueModel/page/levelTwo/LevelTwoPage.dart

@@ -28,7 +28,7 @@ class LevelTwoPage extends StatefulWidget {
 }
 
 class LevelTwoState extends BaseState<LevelTwoPage>
-    with SingleTickerProviderStateMixin {
+    with TickerProviderStateMixin {
   int planId = 10;
   LevelOneModel _model = new LevelOneModel();
   RefreshController _refreshController = RefreshController();
@@ -147,8 +147,14 @@ class LevelTwoState extends BaseState<LevelTwoPage>
               },
               child: newHome(),
             )),
-        baseSliverTitle(_model.planoverItem?.name,
-            MediaQuery.of(context).size.width, _model.textLive),
+        Positioned(
+          top: 57,
+          child: Container(
+            alignment: Alignment.center,
+            width: MediaQuery.of(context).size.width,
+            child: baseText("文案", 18, Color(0xff333333)),
+          ),
+        ),
         baseSliverBack(() {
           Navigator.of(context).pop();
         }),
@@ -175,6 +181,11 @@ class LevelTwoState extends BaseState<LevelTwoPage>
         },
         headerSliverBuilder: (BuildContext context, bool innerBoxIsScrolled) {
           return <Widget>[
+            SliverOverlapAbsorber(
+                handle: extend.NestedScrollView.sliverOverlapAbsorberHandleFor(
+                    context),
+                sliver: baseSliverAppBar(_model.imageUrl,
+                    height: pinnedHeaderHeight, needpic: false)),
             SliverList(
                 delegate: SliverChildBuilderDelegate((BuildContext c, int i) {
               if (i == 0) {

lib/commonModel/base/BaseComponent.dart

@@ -144,11 +144,11 @@ Widget loadingItem({bool needBackground = false}) {
 Widget netErrorItem() {}
 
 Widget errorItem(double width, double height, VoidCallback retry,
-    {String errorText, String retryText,double paddingTop}) {
+    {String errorText, String retryText, double paddingTop}) {
   return Container(
       width: width,
       height: height,
-      padding: EdgeInsets.only(top: paddingTop??0),
+      padding: EdgeInsets.only(top: paddingTop ?? 0),
       alignment: Alignment.topCenter,
       child: Container(
           width: 180,
@@ -377,46 +377,46 @@ Widget normalRefreshHeader() {
   );
 }
 
-Widget emptyItem(double width, double height, {String detail,double paddingTop}) {
+Widget emptyItem(double width, double height,
+    {String detail, double paddingTop}) {
   return Container(
-    padding: EdgeInsets.only(top: paddingTop??0),
+    padding: EdgeInsets.only(top: paddingTop ?? 0),
     width: width,
     height: height,
     color: Colors.white,
     alignment: Alignment.topCenter,
     child: Container(
-      width: 175,
-      height: 188,
-      margin: EdgeInsets.only(top: 62.5),
-      child:  Column(
-        mainAxisSize: MainAxisSize.min,
-        children: <Widget>[
-          Container(
-            width: 175,
-            height: 188,
-            child: Stack(
-              alignment: AlignmentDirectional.bottomCenter,
-              children: <Widget>[
-                Container(
-                  width: 175,
-                  height: 188,
-                  child: Image.asset("assets/empty.png"),
-                ),
-                Positioned(
-                  bottom: 17,
-                  child: baseText(detail ?? "此处太寂寥，转转别处吧", 15, Color(0xff666666)),
-                )
-              ],
+        width: 175,
+        height: 188,
+        margin: EdgeInsets.only(top: 62.5),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: <Widget>[
+            Container(
+              width: 175,
+              height: 188,
+              child: Stack(
+                alignment: AlignmentDirectional.bottomCenter,
+                children: <Widget>[
+                  Container(
+                    width: 175,
+                    height: 188,
+                    child: Image.asset("assets/empty.png"),
+                  ),
+                  Positioned(
+                    bottom: 17,
+                    child: baseText(
+                        detail ?? "此处太寂寥，转转别处吧", 15, Color(0xff666666)),
+                  )
+                ],
+              ),
             ),
-          ),
-          Container(
-            height:0,
-            color: Colors.white,
-          )
-        ],
-      )
-
-    ),
+            Container(
+              height: 0,
+              color: Colors.white,
+            )
+          ],
+        )),
   );
 }
 
@@ -453,7 +453,8 @@ Widget baseTabBarItem(String text,
   );
 }
 
-Widget baseSliverAppBar(String url, {double height, double elevation}) {
+Widget baseSliverAppBar(String url,
+    {double height, double elevation, bool needpic = true}) {
   return SliverAppBar(
     pinned: true,
     centerTitle: true,
@@ -461,10 +462,12 @@ Widget baseSliverAppBar(String url, {double height, double elevation}) {
     expandedHeight: height ?? 200,
     automaticallyImplyLeading: false,
     flexibleSpace: FlexibleSpaceBar(
-      background: Image.network(
-        url ?? '',
-        fit: BoxFit.cover,
-      ),
+      background: needpic
+          ? Image.network(
+              url ?? '',
+              fit: BoxFit.cover,
+            )
+          : Container(),
     ),
   );
 }
@@ -510,7 +513,8 @@ Widget baseSliverTitle(String text, double width, LiveData liveData) {
 }
 
 Widget baseStateView(double width, double height, LiveData<int> stateLive,
-    Widget home, VoidCallback retry,{double paddingTop}) {
+    Widget home, VoidCallback retry,
+    {double paddingTop}) {
   return StreamBuilder(
     stream: stateLive.stream,
     initialData: stateLive.data ?? LOADING,
@@ -518,9 +522,9 @@ Widget baseStateView(double width, double height, LiveData<int> stateLive,
       if (data.data == LOADING) {
         return loadingItem();
       } else if (data.data == FAIL) {
-        return errorItem(width, height, retry,paddingTop: paddingTop);
+        return errorItem(width, height, retry, paddingTop: paddingTop);
       } else if (data.data == EMPTY) {
-        return emptyItem(width, height,paddingTop: paddingTop);
+        return emptyItem(width, height, paddingTop: paddingTop);
       }
       return home;
     },