消息模块 通知裂变滚动

lib/NewMessageModel/page/AttentionListItem.dart

 import 'package:flutter/material.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:gmalpha_flutter/NewMessageModel/service/remote/entity/AttentionEntity.dart';
 import 'package:gmalpha_flutter/NewMessageModel/util/message_date.dart';
 import 'package:gmalpha_flutter/res/value/ALColors.dart';
@@ -19,7 +20,7 @@ class AttentionListItem extends StatelessWidget {
       maxLines: maxLines,
       overflow: TextOverflow.ellipsis,
       style: TextStyle(
-        fontSize: size,
+        fontSize: ScreenUtil().setSp(size),
         color: color,
         height: 1.38,
         fontWeight: weight ? FontWeight.bold : FontWeight.normal
@@ -29,7 +30,7 @@ class AttentionListItem extends StatelessWidget {
 
   Widget listItemHead() {
     return Container(
-      margin: const EdgeInsets.only(right: 10.0),
+      margin: EdgeInsets.only(right: ScreenUtil().setWidth(10)),
       child: CircleAvatar(
         radius: 21.0,
         backgroundImage: NetworkImage(item.icon),
@@ -46,11 +47,11 @@ class AttentionListItem extends StatelessWidget {
             child: myText('${item.title}', ALColors.Color464646, 13.0, weight: true),
           ),
           Padding(
-            padding: const EdgeInsets.only(top: 4.0),
+            padding: EdgeInsets.only(top: ScreenUtil().setHeight(4)),
             child: myText('${item.content}', ALColors.Color666666, 13.0, maxLines: 2),
           ),
           Padding(
-            padding: const EdgeInsets.only(top: 3.0),
+            padding: EdgeInsets.only(top: ScreenUtil().setHeight(3)),
             child: myText(MessageDate(item.pushTime).diffTime(), ALColors.Color999999, 10.0)
           )
         ],
@@ -60,9 +61,9 @@ class AttentionListItem extends StatelessWidget {
 
   Widget listItemButton() {
     return Container(
-      padding: const EdgeInsets.only(top: 5.0, left: 12.0),
-      width: 66.0,
-      height: 34.0,
+      padding: EdgeInsets.only(top: ScreenUtil().setHeight(5), left: ScreenUtil().setWidth(12)),
+      width: ScreenUtil().setWidth(66),
+      height: ScreenUtil().setHeight(34),
       child: OutlineButton(
         padding: const EdgeInsets.only(left: 0.0, right: 0.0,),
         borderSide: BorderSide(

lib/NewMessageModel/page/AttentionModel.dart

@@ -5,8 +5,13 @@ import 'package:gmalpha_flutter/commonModel/live/BaseModel.dart';
 import 'package:gmalpha_flutter/commonModel/live/LiveData.dart';
 import 'package:gmalpha_flutter/commonModel/toast/toast.dart';
 
+enum DataStatus {
+  DATA,
+  NODATA
+}
+
 class AttentionModel extends BaseModel {
-  LiveData<AttentionEntity> zzgLive = new LiveData();
+  LiveData<AttentionEntity> attentiveLive = new LiveData();
   List<Data> _newList = [];
 
   int page;
@@ -16,24 +21,18 @@ class AttentionModel extends BaseModel {
   AttentionModel(this.page, this.fromPage);
 
   init(BuildContext context, {Function callback}) {
-    // 初始化或者刷新的时候增加一项无用项，用来渲染列表title
-    if (page == 1) {
-      Data firstData = Data();
-      _newList.add(firstData);
-    }
+    DataStatus loadStatus = DataStatus.DATA;
     MessageRepository.getInstance().getAttentionList(page, count).listen((value) {
       if (value != null) {
         // 增加一个字段，用来判断是否还有数据
         if (value.data.length == 0) {
-          value.noData = true;
-        } else {
-          value.noData = false;
+          loadStatus = DataStatus.NODATA;
         }
         _newList.addAll(value.data);
         value.data = _newList;
-        zzgLive.notifyView(value);
+        attentiveLive.notifyView(value);
         if (callback is Function) {
-          callback();
+          callback(loadStatus);
         }
       }
     }).onError((error) {
@@ -55,6 +54,6 @@ class AttentionModel extends BaseModel {
 
   @override
   void dispose() {
-    zzgLive.dispost();
+    attentiveLive.dispost();
   }
 }