更新功能完成啦！

lib/config/api_service.dart

@@ -1,5 +1,4 @@
 import 'package:todo_list/json/all_beans.dart';
-import 'package:todo_list/json/weather_bean.dart';
 
 import 'api_strategy.dart';
 export 'package:dio/dio.dart';
@@ -88,7 +87,8 @@ class ApiService {
       "https://free-api.heweather.com/s6/weather/now",
       (data) {
         WeatherBean weatherBean = WeatherBean.fromMap(data);
-        if (weatherBean.HeWeather6[weatherBean.HeWeather6.length - 1].status == "ok") {
+        if (weatherBean.HeWeather6[weatherBean.HeWeather6.length - 1].status ==
+            "ok") {
           success(weatherBean);
         } else {
           failed(weatherBean);
@@ -101,4 +101,25 @@ class ApiService {
       token: token,
     );
   }
+
+  //检查更新
+  void checkUpdate(
+    Function success,
+    Function error,
+    Map<String, String> params,
+    CancelToken token,
+  ) {
+    ApiStrategy.getInstance().post(
+      "app/checkUpdate",
+      (data) {
+        UpdateInfoBean updateInfoBean = UpdateInfoBean.fromMap(data);
+        success(updateInfoBean);
+      },
+      params: params,
+      errorCallBack: (errorMessage) {
+        error(errorMessage);
+      },
+      token: token,
+    );
+  }
 }

lib/i10n/localization_intl.dart

@@ -173,6 +173,7 @@ class DemoLocalizations {
   }
   String get update => Intl.message('update', name: 'update', desc: '升级',);
   String get newVersionIsComing => Intl.message('New version is comming!', name: 'newVersionIsComing', desc: '新版本来啦!',);
+  String get noUpdate => Intl.message('It is the latest version', name: 'noUpdate', desc: '已是最新版本',);
 
 
   String get welcomeWord{

lib/i10n/messages_en_US.dart

@@ -93,6 +93,7 @@ class MessageLookup extends MessageLookupByLibrary {
     "navigatorSetting" : MessageLookupByLibrary.simpleMessage("Navigator Setting"),
     "netPicture" : MessageLookupByLibrary.simpleMessage("Network Picture"),
     "newVersionIsComing" : MessageLookupByLibrary.simpleMessage("New version is comming!"),
+    "noUpdate" : MessageLookupByLibrary.simpleMessage("It is the latest version"),
     "ok" : MessageLookupByLibrary.simpleMessage("ok"),
     "openSystemSetting" : MessageLookupByLibrary.simpleMessage("Open System Setting"),
     "pickAColor" : MessageLookupByLibrary.simpleMessage("Pick a color!"),

lib/i10n/messages_zh_CN.dart

@@ -93,6 +93,7 @@ class MessageLookup extends MessageLookupByLibrary {
     "navigatorSetting" : MessageLookupByLibrary.simpleMessage("导航栏设置"),
     "netPicture" : MessageLookupByLibrary.simpleMessage("网络图片"),
     "newVersionIsComing" : MessageLookupByLibrary.simpleMessage("新版本来啦!"),
+    "noUpdate" : MessageLookupByLibrary.simpleMessage("已是最新版本"),
     "ok" : MessageLookupByLibrary.simpleMessage("确定"),
     "openSystemSetting" : MessageLookupByLibrary.simpleMessage("打开系统设置"),
     "pickAColor" : MessageLookupByLibrary.simpleMessage("选择一个颜色吧!"),

lib/json/all_beans.dart

@@ -1,2 +1,4 @@
 export 'common_bean.dart';
-export 'photo_bean.dart';
+export 'photo_bean.dart';
+export 'update_info_bean.dart';
+export 'weather_bean.dart';

lib/json/update_info_bean.dart

@@ -0,0 +1,55 @@
+class UpdateInfoBean {
+
+  /**
+   * appVersion : "1.0.0"
+   * appName : "无"
+   * updateInfo : "无"
+   * downloadUrl : "无"
+   * appId : "001"
+   */
+
+  String appVersion;
+  String appName;
+  String updateInfo;
+  String downloadUrl;
+  String appId;
+
+  static UpdateInfoBean fromMap(Map<String, dynamic> map) {
+    UpdateInfoBean update_info_bean = new UpdateInfoBean();
+    update_info_bean.appVersion = map['appVersion'];
+    update_info_bean.appName = map['appName'];
+    update_info_bean.updateInfo = map['updateInfo'];
+    update_info_bean.downloadUrl = map['downloadUrl'];
+    update_info_bean.appId = map['appId'];
+    return update_info_bean;
+  }
+
+  static List<UpdateInfoBean> fromMapList(dynamic mapList) {
+    List<UpdateInfoBean> list = new List(mapList.length);
+    for (int i = 0; i < mapList.length; i++) {
+      list[i] = fromMap(mapList[i]);
+    }
+    return list;
+  }
+
+  static  bool needUpdate(String oldVersion, String newVersion){
+    final oldList = oldVersion.split(".");
+    final newList = newVersion.split(".");
+
+    bool needUpdate = false;
+
+    for (var i = 0; i < oldList.length; i++) {
+      String oldNumString = oldList[i];
+      String newNumString = newList[i];
+      int oldNum = int.parse(oldNumString);
+      int newNum = int.parse(newNumString);
+      if(newNum > oldNum){
+        needUpdate = true;
+        return needUpdate;
+      }
+    }
+    return needUpdate;
+
+  }
+
+}

lib/pages/about_page.dart

@@ -1,13 +1,18 @@
 import 'dart:io';
 import 'dart:math';
 
+import 'package:dio/dio.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
+import 'package:todo_list/config/api_service.dart';
 import 'package:todo_list/i10n/localization_intl.dart';
 import 'package:package_info/package_info.dart';
+import 'package:todo_list/json/update_info_bean.dart';
 import 'package:todo_list/model/global_model.dart';
 import 'package:todo_list/pages/webview_page.dart';
+import 'package:todo_list/widgets/loading_widget.dart';
+import 'package:todo_list/widgets/net_loading_widget.dart';
 import 'package:todo_list/widgets/update_dialog.dart';
 
 class AboutPage extends StatefulWidget {
@@ -65,7 +70,10 @@ class _AboutPageState extends State<AboutPage> {
                             width: 70,
                             height: 70,
                             margin: EdgeInsets.all(10),
-                            child: Image.asset("images/icon_1.png",fit: BoxFit.contain,))),
+                            child: Image.asset(
+                              "images/icon_1.png",
+                              fit: BoxFit.contain,
+                            ))),
                   ),
                   Container(
                     margin: EdgeInsets.only(left: 50, top: 2),
@@ -112,15 +120,16 @@ class _AboutPageState extends State<AboutPage> {
                       ],
                     ),
                   ),
-                  Platform.isAndroid ? Container(
+                  Platform.isAndroid
-                    child: IconButton(icon: Icon(Icons.cloud_upload,), onPressed: (){
+                      ? Container(
-                      showDialog(context: context, builder: (ctx){
+                          child: IconButton(
-                        return UpdateDialog(
+                            icon: Icon(
-
+                              Icons.cloud_upload,
-                        );
+                            ),
-                      });
+                            onPressed: () => checkUpdate(globalModel),
-                    }),
+                          ),
-                  ) : SizedBox(),
+                        )
+                      : SizedBox(),
                 ],
               ),
               Expanded(
@@ -210,4 +219,51 @@ class _AboutPageState extends State<AboutPage> {
     }
     return Text(data);
   }
+
+  void checkUpdate(GlobalModel globalModel) {
+    final loadingController = globalModel.loadingController;
+
+    showDialog(
+        context: context,
+        builder: (ctx) {
+          CancelToken cancelToken = CancelToken();
+          return NetLoadingWidget(
+            loadingController: loadingController,
+            successText: DemoLocalizations.of(context).noUpdate,
+            onSuccess: (){
+              Navigator.pop(context);
+            },
+            onRequest: () {
+              ApiService.instance.checkUpdate(
+                (UpdateInfoBean updateInfo)  async{
+                  final packageInfo = await PackageInfo.fromPlatform();
+                  bool needUpdate = UpdateInfoBean.needUpdate(packageInfo.version, updateInfo.appVersion);
+                  if(!needUpdate){
+                    Navigator.of(context).pop();
+                    showDialog(context: context, builder: (ctx2){
+                      return UpdateDialog(
+                        version: updateInfo.appVersion,
+                        updateUrl: updateInfo.downloadUrl,
+                        updateInfo: updateInfo.updateInfo,
+                        updateInfoColor: globalModel.logic.getWhiteInDark(),
+                        backgroundColor: globalModel.logic.getPrimaryGreyInDark(context),
+                      );
+                    });
+                  }
+                  loadingController.setFlag(LoadingFlag.success);
+                },
+                (msg) {
+                  loadingController.setFlag(LoadingFlag.error);
+                },
+                {
+                  "language": globalModel.currentLocale.languageCode,
+                  "appId": "001"
+                },
+                cancelToken,
+              );
+            },
+            cancelToken: cancelToken,
+          );
+        });
+  }
 }

lib/widgets/net_loading_widget.dart

@@ -61,7 +61,7 @@ class _NetLoadingWidgetState extends State<NetLoadingWidget> {
                       Column(
                         children: <Widget>[
                           Text(
-                            widget.successText,
+                            widget.successText ?? "",
                             textAlign: TextAlign.center,
                             style: TextStyle(fontSize: 30),
                           ),

lib/widgets/update_dialog.dart

@@ -15,12 +15,13 @@ class UpdateDialog extends StatefulWidget {
   final String updateUrl;
   final bool isForce;
   final Color backgroundColor;
+  final Color updateInfoColor;
 
   UpdateDialog({
     this.version = "1.0.0",
     this.updateInfo = "",
     this.updateUrl = "",
-    this.isForce = false, this.backgroundColor,
+    this.isForce = false, this.backgroundColor, this.updateInfoColor,
   });
 
   @override
@@ -33,7 +34,7 @@ class UpdateDialogState extends State<UpdateDialog> {
 
   @override
   Widget build(BuildContext context) {
-    final bgColor = Theme
+    final bgColor = widget.backgroundColor ?? Theme
         .of(context)
         .primaryColor;
     final size = MediaQuery
@@ -65,7 +66,7 @@ class UpdateDialogState extends State<UpdateDialog> {
                       DemoLocalizations
                           .of(context)
                           .newVersionIsComing,
-                      style: TextStyle(color: Colors.white, fontSize: 20),
+                      style: TextStyle(color:widget.updateInfoColor ?? Colors.white, fontSize: 20),
                     ),
                     color: Colors.transparent,
                   )),
@@ -81,7 +82,7 @@ class UpdateDialogState extends State<UpdateDialog> {
                         scrollDirection: Axis.vertical,
                         child: Text(
                           widget.updateInfo ?? "",
-                          style: TextStyle(color: Colors.white),
+                          style: TextStyle(color: widget.updateInfoColor ?? Colors.white),
                         ),
                       ),
                     ))),

res/intl_en_US.arb

@@ -440,6 +440,12 @@
     "type": "text",
     "placeholders": {}
   },
+  "noUpdate": "It is the latest version",
+  "@noUpdate": {
+    "description": "已是最新版本",
+    "type": "text",
+    "placeholders": {}
+  },
   "writeAtLeastOneTaskItem": "Please write at least one task.",
   "@writeAtLeastOneTaskItem": {
     "description": "请至少写下一项任务哦",

res/intl_messages.arb

@@ -1,5 +1,5 @@
 {
-  "@@last_modified": "2019-07-26T18:12:05.019730",
+  "@@last_modified": "2019-07-27T09:39:19.620685",
   "appName": "One Day List",
   "@appName": {
     "description": "app的名字",
@@ -446,6 +446,12 @@
     "type": "text",
     "placeholders": {}
   },
+  "noUpdate": "It is the latest version",
+  "@noUpdate": {
+    "description": "已是最新版本",
+    "type": "text",
+    "placeholders": {}
+  },
   "welcomeWord": "Hello! ",
   "@welcomeWord": {
     "description": "主页的欢迎词",

res/intl_zh_CN.arb

@@ -422,6 +422,12 @@
     "type": "text",
     "placeholders": {}
   },
+  "noUpdate": "已是最新版本",
+  "@noUpdate": {
+    "description": "已是最新版本",
+    "type": "text",
+    "placeholders": {}
+  },
   "bgChangeWithCard": "背景跟随任务图标颜色",
   "@bgChangeWithCard": {
     "description": "背景跟随任务图标颜色",

test/check_update_test.dart

@@ -0,0 +1,50 @@
+import 'package:test/test.dart';
+
+
+void main(){
+
+
+
+  bool needUpdate(String oldVersion, String newVersion){
+    final oldList = oldVersion.split(".");
+    final newList = newVersion.split(".");
+
+    bool needUpdate = false;
+
+    for (var i = 0; i < oldList.length; i++) {
+      String oldNumString = oldList[i];
+      String newNumString = newList[i];
+      int oldNum = int.parse(oldNumString);
+      int newNum = int.parse(newNumString);
+      if(newNum > oldNum){
+        needUpdate = true;
+        return needUpdate;
+      }
+    }
+    return needUpdate;
+
+  }
+
+  test("测试版本号对比", (){
+
+    bool update1 = needUpdate("1.0.0", "1.0.0");
+    bool update2 = needUpdate("1.0.0", "1.0.1");
+    bool update3 = needUpdate("1.0.2", "1.0.1");
+    bool update4 = needUpdate("1.0.0", "1.1.0");
+    bool update5 = needUpdate("1.0.0", "2.0.0");
+    bool update6 = needUpdate("1.0.0", "1.0.11");
+    bool update7 = needUpdate("1.0.0", "1.11.0");
+
+
+    expect(update1, false);
+    expect(update2, true);
+    expect(update3, false);
+    expect(update4, true);
+    expect(update5, true);
+    expect(update6, true);
+    expect(update7, true);
+
+
+
+  });
+}