1、更新Flutter环境为1.12.13+hotfix.6 • channel beta，修改更新后部分UI显示变化问题，修复runApp前进行平台通信需先初始化WidgetsFlutterBinding问题；

2、更新修改部分依赖库版本，解决更新后兼容问题；
3、Android部分适配为AndroidX，gradle版本更新为“gradle-5.4.1-all”，gradle tool版本更新为3.5.3

Author: CCY0122

android/app/build.gradle

@@ -43,7 +43,7 @@ android {
         targetSdkVersion 28
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
 
     //开源版注释掉
@@ -74,6 +74,6 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.2'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0'
 }

android/build.gradle

@@ -5,7 +5,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.2.1'
+        classpath 'com.android.tools.build:gradle:3.5.3'
     }
 }
 

android/gradle.properties

@@ -1 +1,4 @@
 org.gradle.jvmargs=-Xmx1536M
+android.enableR8=true
+android.useAndroidX=true
+android.enableJetifier=true

android/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Fri Jun 23 08:50:38 CEST 2017
+#Sat Dec 21 18:36:19 CST 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip

lib/main.dart

@@ -68,6 +68,7 @@ class GlobalBlocDel extends BlocDelegate {
 }
 
 void main() async {
+  WidgetsFlutterBinding.ensureInitialized();
   await SystemChrome.setPreferredOrientations(
       [DeviceOrientation.portraitUp, DeviceOrientation.portraitDown]);
   BlocSupervisor.delegate = GlobalBlocDel();

lib/page/account/login_wanandroid_page.dart

@@ -366,7 +366,7 @@ class _LoginCardState extends State<LoginCard> {
       await SPUtil.setLogin(true);
       await SPUtil.setUserName(username);
       print('_LoginCardState : login success');
-      Navigator.of(context).pop();
+      Navigator.of(context).pop(true);
       return;
     } catch (e) {
       DisplayUtil.showMsg(context, exception: e);
@@ -390,7 +390,7 @@ class _LoginCardState extends State<LoginCard> {
       await SPUtil.setLogin(true);
       await SPUtil.setUserName(username);
       print('_LoginCardState : login success');
-      Navigator.of(context).pop();
+      Navigator.of(context).pop(true);
       return;
     } catch (e) {
       DisplayUtil.showMsg(context, exception: e);

lib/page/home/home/home_page.dart

@@ -289,6 +289,7 @@ class _HomePageState extends State<HomePage> with TickerProviderStateMixin {
                             : res.searchTips,
                         border: InputBorder.none,
                         contentPadding: EdgeInsets.only(),
+                        isDense: true,
                         hintStyle: TextStyle(
                           fontSize: 12,
                           color: isSearchWXArticle
@@ -341,7 +342,7 @@ class _HomePageState extends State<HomePage> with TickerProviderStateMixin {
       indicatorColor: Colors.white,
       tabs: tabs.keys.map((title) {
         return Padding(
-          padding: EdgeInsets.symmetric(vertical: pt(10), horizontal: pt(6)),
+          padding: EdgeInsets.symmetric(vertical: 0, horizontal: pt(6)),
           child: Text(
             title,
             style: TextStyle(fontSize: 15),