Merge pull request #5 from alibaba/master

merge code

.github/ISSUE_TEMPLATE/bug-report.md

+---
+name: Bug report
+about: Describe this issue template's purpose here.
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+<!-- Thank you for using Flutter Boost!
+
+     If you are looking for support about how to get start, please read README first
+-->
+
+## Steps to Reproduce
+**A small application to reproduce the bug(最小化可复现的demo)**
+
+<!--
+     Please tell us exactly how to reproduce the problem you are running into.
+
+     Please attach a small application (ideally just one main.dart file) that
+     reproduces the problem. You could use https://gist.github.com/ for this.
+
+     If the problem is with your application's rendering, then please attach
+     a screenshot and explain what the problem is.
+-->
+
+1. ...
+2. ...
+3. ...
+
+<!--
+     Please tell us which target platform(s) the problem occurs (Android / iOS / Web / macOS / Linux / Windows)
+     Which target OS version, for Web, browser, is the test system running?
+     Does the problem occur on emulator/simulator as well as on physical devices?
+-->
+
+**Flutter Boost Version**
+**Target Platform:**
+**Target OS version/browser:**
+**Devices:**
+
+
+## Logs
+add your crash log or something else.
+
+<!-- Finally, paste the output of running `flutter doctor -v` here. -->
+
+```
+```

.github/no-response.yml

+# Configuration for probot-no-response - https://github.com/probot/no-response
+
+# Number of days of inactivity before an Issue is closed for lack of response
+daysUntilClose: 21
+
+# Label requiring a response
+responseRequiredLabel: more-information-needed
+
+# Comment to post when closing an Issue for lack of response. Set to `false` to disable
+closeComment: >
+  This issue has been automatically closed because there has been no response
+  to our request for more information from the original author. With only the
+  information that is currently in the issue, we don't have enough information
+  to take action. Please reach out if you have or find the answers we need so
+  that we can investigate further.
+  
+  Thanks for your contribution.

.gitignore

@@ -17,4 +17,3 @@ example/android/app/.classpath
 example/android/app/.project
 example/android/.project
 flutter_boost
-example

CHANGELOG.md

@@ -9,6 +9,43 @@ The main changes are as following:
 4. We did some code refactoring, the main logic became more straightforward.
 
 
+## 0.1.60
+
+A better implementation to support Flutter v1.9.1+hotfixes
+
+Change the content
+android:
+
+1. based on the v1.9.1+hotfixes branch of flutter
+2. Solve major bugs, such as page parameter passing
+3. Support platformview
+4. Support androidx branch :feature/flutter_1.9_androidx_upgrade
+5. Resolve memory leaks
+6. Rewrite part of the code
+7. API changes
+8. Improved demo and added many demo cases
+
+ios:
+
+1.based on the v1.9.1+hotfixes branch of flutter
+2.bugfixed
+
+## 0.1.61
+
+  android:
+  Fixed bugs
+
+  iOS:
+  no change
+
+## 0.1.63
+
+  android:
+  Fixed bugs
+
+  iOS:
+  no change
+
 ### API changes
 From the point of API changes, we did some refactoring as following:
 #### iOS API changes

Frequently Asked Question.md

+### 在FlutterBoost下如何管理Flutter页面的生命周期？原生的Flutter的AppLifecycleState事件会不一致，比如ViewAppear会导致app状态suspending或者paused。混合栈怎么处理？
+回答：在混合栈下，页面事件基于以下自定义的事件：
+```dart
+enum ContainerLifeCycle {
+  Init,
+  Appear,
+  WillDisappear,
+  Disappear,
+  Destroy,
+  Background,
+  Foreground
+}
+```
+对于页面事件重复，请参考下面的FAQ。
+### 如何判断flutter的widget或者container是当前可见的？
+回答：有个api可以判断当前页面是否可见：
+```dart
+bool isTopContainer = FlutterBoost.BoostContainer.of(context).onstage
+```
+传入你widget的context，就能判断你的widget是否是可见的
+基于这个API，可以判断你的widget是否可见，从而避免接收一些重复的生命周期消息。参考这个issue:https://github.com/alibaba/flutter_boost/issues/498
+
+### 您好，我想请教一下flutter_boost有关的问题：ABC三个都是flutter页面，从 A页面 -> B页面 -> C页面，当打开C页面时希望自动关掉B页面，当从C页面返回时直接返回A页面，可有什么方法？
+回答：你只需要操作Native层的UINavigationController里的vc数组就可以了。就如同平时你操作普通的UIViewController一样。因为FlutterBoost对Native层的FlutterViewController和Dart层的flutter page的生命周期管理是一致的，当FlutterViewController被销毁，其在dart层管理的flutter page也会自动被销毁。
+
+### 在ios中voice over打开，demo在点击交互会crash
+回答：无障碍模式下目前Flutter Engine有bug，已经提交issue和PR给flutter啦。请参考这个issue：https://github.com/alibaba/flutter_boost/issues/488及其分析。提交给flutter的PR见这里：https://github.com/flutter/engine/pull/14155
+
+### 似乎官方已经提供了混合栈的功能，参考这里：https://flutter.dev/docs/development/add-to-app; FlutterBoost是否有存在的必要？
+回答：官方的解决方案仅仅是在native侧对FlutterViewController和Flutterengine进行解耦，如此可以一个FlutterEngine切换不同的FlutterViewController或者Activity进行渲染。但其并未解决Native和Flutter页面混合的问题，无法保证两侧的页面生命周期一致。即使是Flutter官方针对这个问题也是建议使用FlutterBoost。
+其差别主要有：
+
+|*|FlutterBoost1.5	|Flutter官方方案	|其他框架|
+|----|----|----|----|
+|是否支持混合页面之间随意跳转	|Y	|N	|Y|
+|一致的页面生命周期管理(多Flutter页面)	|Y	|N	|?|
+|是否支持页面间数据传递(回传等)	|Y	|N	|N|
+|是否支持测滑手势	|Y	|Y	|Y|
+|是否支持跨页的hero动画	|N	|Y	|N|
+|内存等资源占用是否可控	|Y	|Y	|Y|
+|是否提供一致的页面route方案	|Y	|Y	|N|
+|iOS和Android能力及接口是否一致	|Y	|N	|N|
+|框架是否稳定，支持Flutter1.9	|Y	|N	|?|
+|是否已经支持到View级别混合	|N	|N	|N|
+
+同时FlutterBoost也提供了一次性创建混合工程的命令：flutterboot。代码参考：https://github.com/alibaba-flutter/flutter-boot

README_CN.md

@@ -2,31 +2,10 @@
   <img src="flutter_boost.png">
 </p>
 
-# 项目最新动态
-
-
-目前已经支持flutter 1.9版本。
-
-对应的flutter 版本是：v1.9.1-hotfixes
-
-flutter boost分支是：feature/flutter_1.9_upgrade
-
-flutter boost androidx  分支是：feature/flutter_1.9_androidx_upgrade
-
-代码引入方式：
-
-```java
-
-    flutter_boost:
-            git:
-                url: 'https://github.com/alibaba/flutter_boost.git'
-                ref: 'feature/flutter_1.9_upgrade'
-```
-
 
 # Release Note
 
- 请查看最新版本0.1.50的release note 确认变更，[0.1.50 release note](https://github.com/alibaba/flutter_boost/releases)。
+ 请查看最新版本0.1.63的release note 确认变更，[0.1.63 release note](https://github.com/alibaba/flutter_boost/releases)。
 
 # FlutterBoost
 
@@ -34,274 +13,79 @@ flutter boost androidx  分支是：feature/flutter_1.9_androidx_upgrade
 
 
 # 前置条件
-在继续之前，您需要将Flutter集成到你现有的项目中。flutter sdk 的版本需要 v1.5.4-hotfixes，否则会编译失败.
-
-# 安装
-
-## 在Flutter项目中添加依赖项。
-
-打开pubspec.yaml并将以下行添加到依赖项：
-
-```json
-flutter_boost: ^0.1.54
-```
-
-或者可以直接依赖github的项目的版本，Tag，pub发布会有延迟，推荐直接依赖Github项目
-
-```java
-
-flutter_boost:
-        git:
-            url: 'https://github.com/alibaba/flutter_boost.git'
-            ref: '0.1.54'
-            
-```
-## Dart代码的集成
-将init代码添加到App App
-
-```dart
-void main() => runApp(MyApp());
-
-class MyApp extends StatefulWidget {
-  @override
-  _MyAppState createState() => _MyAppState();
-}
-
-class _MyAppState extends State<MyApp> {
-  @override
-  void initState() {
-    super.initState();
-
-    ///register page widget builders,the key is pageName
-    FlutterBoost.singleton.registerPageBuilders({
-      'sample://firstPage': (pageName, params, _) => FirstRouteWidget(),
-      'sample://secondPage': (pageName, params, _) => SecondRouteWidget(),
-    });
-
-  }
-
-  @override
-  Widget build(BuildContext context) => MaterialApp(
-      title: 'Flutter Boost example',
-      builder: FlutterBoost.init(), ///init container manager
-      home: Container());
-}
-```
 
-## iOS代码集成。
+在继续之前，您需要将Flutter集成到你现有的项目中。flutter sdk 的版本需要 v1.9.1-hotfixes，否则会编译失败.
 
-注意：需要将libc++ 加入 "Linked Frameworks and Libraries" 中。
+# FAQ
+请阅读这篇文章:
+<a href="Frequently Asked Question.md">FAQ</a>
 
-使用FLBFlutterAppDelegate作为AppDelegate的超类
 
-```objectivec
-@interface AppDelegate : FLBFlutterAppDelegate <UIApplicationDelegate>
-@end
-```
-
-
-为您的应用程序实现FLBPlatform协议方法。
-
-```objectivec
-@interface PlatformRouterImp : NSObject<FLBPlatform>
+# boost 版本说明
 
-@property (nonatomic,strong) UINavigationController *navigationController;
+1. 0.1.50 是基于flutter v1.5.4-hotfixes 分支，android 如果其他flutter版本或者分支 会编译错误
 
-+ (PlatformRouterImp *)sharedRouter;
+2. 0.1.51--0.1.54 是对0.1.50的bugfix
 
-@end
 
+3. 0.1.60 是基于flutter v1.9.1-hotfixes 分支，android如果其他flutter分支会编译错误,该版本不支持andriodx
 
-@implementation PlatformRouterImp
+4. 0.1.61-- 0.1.63 是对0.1.60 的bugfix
 
-- (void)openPage:(NSString *)name
-          params:(NSDictionary *)params
-        animated:(BOOL)animated
-      completion:(void (^)(BOOL))completion
-{
-    if([params[@"present"] boolValue]){
-        FLBFlutterViewContainer *vc = FLBFlutterViewContainer.new;
-        [vc setName:name params:params];
-        [self.navigationController presentViewController:vc animated:animated completion:^{}];
-    }else{
-        FLBFlutterViewContainer *vc = FLBFlutterViewContainer.new;
-        [vc setName:name params:params];
-        [self.navigationController pushViewController:vc animated:animated];
-    }
-}
 
+5. 关于androidx 的支持声明
 
-- (void)closePage:(NSString *)uid animated:(BOOL)animated params:(NSDictionary *)params completion:(void (^)(BOOL))completion
-{
-    FLBFlutterViewContainer *vc = (id)self.navigationController.presentedViewController;
-    if([vc isKindOfClass:FLBFlutterViewContainer.class] && [vc.uniqueIDString isEqual: uid]){
-        [vc dismissViewControllerAnimated:animated completion:^{}];
-    }else{
-        [self.navigationController popViewControllerAnimated:animated];
-    }
-}
+ 目前androidx 分支为 v0.1.61-androidx-hotfixes
 
-@end
-```
+ 是基于flutter v1.9.1-hotfixes 分支，如果其他分支会编译错误
 
+ 和0.1.60代码同步， bugfix 也会合入该分支。
 
 
-在应用程序开头使用FLBPlatform初始化FlutterBoost。
 
-```objc
- PlatformRouterImp *router = [PlatformRouterImp new];
- [FlutterBoostPlugin.sharedInstance startFlutterWithPlatform：router
-                                                        onStart：^（FlutterEngine *engine）{
 
-                                                        }];
-```
+# 安装
 
-## Android代码集成。
-
-在Application.onCreate（）中初始化FlutterBoost
-
-```java
-public class MyApplication extends FlutterApplication {
-    @Override
-    public void onCreate() {
-        super.onCreate();
-        FlutterBoostPlugin.init(new IPlatform() {
-            @Override
-            public Application getApplication() {
-                return MyApplication.this;
-            }
-
-            @Override
-            public boolean isDebug() {
-                return true;
-            }
-
-            @Override
-            public void openContainer(Context context, String url, Map<String, Object> urlParams, int requestCode, Map<String, Object> exts) {
-                PageRouter.openPageByUrl(context,url,urlParams,requestCode);
-            }
-
-            @Override
-            public IFlutterEngineProvider engineProvider() {
-                return new BoostEngineProvider(){
-                    @Override
-                    public BoostFlutterEngine createEngine(Context context) {
-                        return new BoostFlutterEngine(context, new DartExecutor.DartEntrypoint(
-                                context.getResources().getAssets(),
-                                FlutterMain.findAppBundlePath(context),
-                                "main"),"/");
-                    }
-                };
-            }
-
-            @Override
-            public int whenEngineStart() {
-                return ANY_ACTIVITY_CREATED;
-            }
-        });
-    }
-```
+## 在Flutter项目中添加依赖项。
 
-# 基本用法
-## 概念
+打开pubspec.yaml并将以下行添加到依赖项：
 
-所有页面路由请求都将发送到Native路由器。Native路由器与Native Container Manager通信，Native Container Manager负责构建和销毁Native Containers。
+support分支
+```json
 
-## 使用Flutter Boost Native Container用Native代码打开Flutter页面。
+flutter_boost:
+    git:
+        url: 'https://github.com/alibaba/flutter_boost.git'
+        ref: '0.1.63'
 
-```objc
- FLBFlutterViewContainer *vc = FLBFlutterViewContainer.new;
-        [vc setName:name params:params];
-        [self.navigationController presentViewController:vc animated:animated completion:^{}];
 ```
 
-但是，这种方式无法获取页面返回的数据，建议你按上面的example实现类似于PlatformRouterImp这样的路由器，然后通过以下方式来打开/关闭页面
-
-```objc
-//push the page
-[FlutterBoostPlugin open:@"first" urlParams:@{kPageCallBackId:@"MycallbackId#1"} exts:@{@"animated":@(YES)} onPageFinished:^(NSDictionary *result) {
-        NSLog(@"call me when page finished, and your result is:%@", result);
-    } completion:^(BOOL f) {
-        NSLog(@"page is opened");
-    }];
-//prsent the page
-[FlutterBoostPlugin open:@"second" urlParams:@{@"present":@(YES),kPageCallBackId:@"MycallbackId#2"} exts:@{@"animated":@(YES)} onPageFinished:^(NSDictionary *result) {
-        NSLog(@"call me when page finished, and your result is:%@", result);
-    } completion:^(BOOL f) {
-        NSLog(@"page is presented");
-    }];
-//close the page
-[FlutterBoostPlugin close:yourUniqueId result:yourdata exts:exts completion:nil];
-```
-Android
-
-```java
-public class FlutterPageActivity extends BoostFlutterActivity {
-
-
-    @Override
-    public String getContainerUrl() {
-        //specify the page name register in FlutterBoost
-        return "sample://firstPage";
-    }
-
-    @Override
-    public Map getContainerUrlParams() {
-        //params of the page
-        Map<String,String> params = new HashMap<>();
-        params.put("key","value");
-        return params;
-    }
-}
+androidx分支
+```json
+flutter_boost:
+    git:
+        url: 'https://github.com/alibaba/flutter_boost.git'
+        ref: 'v0.1.61-androidx-hotfixes'
 ```
 
-或者用Fragment
 
-```java
-public class FlutterFragment extends BoostFlutterFragment {
 
-    @Override
-    public String getContainerUrl() {
-        return "sample://firstPage";
-    }
-
-    @Override
-    public Map getContainerUrlParams() {
-        Map<String,String> params = new HashMap<>();
-        params.put("key","value");
-        return params;
-    }
-}
-```
+## boost集成
 
+ 集成请看boost的Examples
 
-## 使用Flutter Boost在dart代码打开页面。
-Dart
 
-```java
-
- FlutterBoost.singleton
-                .open("sample://flutterFragmentPage")
-
-```
 
+# 问题反馈群（钉钉群)
 
-## 使用Flutter Boost在dart代码关闭页面。
+<img width="200" src="https://img.alicdn.com/tfs/TB1JSzVeYY1gK0jSZTEXXXDQVXa-892-1213.jpg">
 
-```java
- FlutterBoost.singleton.close(uniqueId);
-```
 
-# Examples
-更详细的使用例子请参考Demo
 
 # 许可证
 该项目根据MIT许可证授权 - 有关详细信息，请参阅[LICENSE.md]（LICENSE.md）文件
 <a name="Acknowledgments"> </a>
 
-# 问题反馈群（钉钉群)
-
-<img width="200" src="https://img.alicdn.com/tfs/TB1JSzVeYY1gK0jSZTEXXXDQVXa-892-1213.jpg">
 
 
 ## 关于我们

android/build.gradle

@@ -26,6 +26,7 @@ android {
     buildToolsVersion '27.0.3'
     defaultConfig {
         minSdkVersion 16
+        targetSdkVersion 28
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
     lintOptions {
@@ -34,9 +35,12 @@ android {
 }
 
 dependencies {
+    implementation 'com.android.support:appcompat-v7:28.0.0'
+    implementation 'com.android.support:design:28.0.0'
+    implementation 'com.android.support:support-v4:28.0.0'
+    implementation 'android.arch.lifecycle:common-java8:1.1.1'
     implementation 'com.alibaba:fastjson:1.2.41'
-    implementation 'com.android.support:support-v4:26.1.0'
-    implementation 'com.android.support:appcompat-v7:26.1.0'
+
 }
 
 ext {

android/src/main/AndroidManifest.xml

 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
   package="com.idlefish.flutterboost">
 
-    <application>
-        <activity android:name="com.idlefish.flutterboost.containers.BoostFlutterDefaultActivity" />
-    </application>
+
 
 </manifest>

android/src/main/java/com/idlefish/flutterboost/BoostEngineProvider.java

-/*
- * The MIT License (MIT)
- *
- * Copyright (c) 2019 Alibaba Group
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-package com.idlefish.flutterboost;
-
-import android.content.Context;
-
-import com.idlefish.flutterboost.interfaces.IFlutterEngineProvider;
-import com.idlefish.flutterboost.interfaces.IStateListener;
-
-import io.flutter.embedding.engine.FlutterShellArgs;
-import io.flutter.view.FlutterMain;
-
-public class BoostEngineProvider implements IFlutterEngineProvider {
-
-    private BoostFlutterEngine mEngine = null;
-
-    public BoostEngineProvider() {}
-
-    @Override
-    public BoostFlutterEngine createEngine(Context context) {
-        return new BoostFlutterEngine(context.getApplicationContext());
-    }
-
-    @Override
-    public BoostFlutterEngine provideEngine(Context context) {
-        Utils.assertCallOnMainThread();
-
-        if (mEngine == null) {
-            FlutterShellArgs flutterShellArgs = new FlutterShellArgs(new String[0]);
-            FlutterMain.ensureInitializationComplete(
-                    context.getApplicationContext(), flutterShellArgs.toArray());
-
-            mEngine = createEngine(context.getApplicationContext());
-
-            final IStateListener stateListener = FlutterBoost.sInstance.mStateListener;
-            if(stateListener != null) {
-                stateListener.onEngineCreated(mEngine);
-            }
-        }
-        return mEngine;
-    }
-
-    @Override
-    public BoostFlutterEngine tryGetEngine() {
-        return mEngine;
-    }
-
-    public static void assertEngineRunning(){
-        final BoostFlutterEngine engine = FlutterBoost.singleton().engineProvider().tryGetEngine();
-        if(engine == null || !engine.isRunning()) {
-            throw new RuntimeException("engine is not running yet!");
-        }
-    }
-}

android/src/main/java/com/idlefish/flutterboost/BoostPluginRegistry.java

+package com.idlefish.flutterboost;
+
+
+import io.flutter.Log;
+import io.flutter.embedding.engine.FlutterEngine;
+import io.flutter.embedding.engine.plugins.FlutterPlugin;
+import io.flutter.embedding.engine.plugins.activity.ActivityAware;
+import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding;
+import io.flutter.plugin.common.PluginRegistry;
+
+import java.util.*;
+
+
+public class BoostPluginRegistry implements PluginRegistry {
+    private static final String TAG = "ShimPluginRegistry";
+    private final FlutterEngine flutterEngine;
+    private final Map<String, Object> pluginMap = new HashMap();
+    private final BoostRegistrarAggregate shimRegistrarAggregate;
+
+
+    public BoostRegistrarAggregate getRegistrarAggregate() {
+        return shimRegistrarAggregate;
+    }
+
+
+    public BoostPluginRegistry(FlutterEngine flutterEngine) {
+        this.flutterEngine = flutterEngine;
+        this.shimRegistrarAggregate = new BoostRegistrarAggregate();
+        this.flutterEngine.getPlugins().add(this.shimRegistrarAggregate);
+    }
+
+    public Registrar registrarFor(String pluginKey) {
+        Log.v("ShimPluginRegistry", "Creating plugin Registrar for '" + pluginKey + "'");
+        if (this.pluginMap.containsKey(pluginKey)) {
+            throw new IllegalStateException("Plugin key " + pluginKey + " is already in use");
+        } else {
+            this.pluginMap.put(pluginKey, (Object) null);
+            BoostRegistrar registrar = new BoostRegistrar(pluginKey, this.pluginMap);
+            this.shimRegistrarAggregate.addPlugin(registrar);
+            return registrar;
+        }
+    }
+
+    public boolean hasPlugin(String pluginKey) {
+        return this.pluginMap.containsKey(pluginKey);
+    }
+
+    public Object valuePublishedByPlugin(String pluginKey) {
+        return this.pluginMap.get(pluginKey);
+    }
+
+    public static class BoostRegistrarAggregate implements FlutterPlugin, ActivityAware {
+        private final Set<BoostRegistrar> shimRegistrars;
+        private FlutterPluginBinding flutterPluginBinding;
+        private ActivityPluginBinding activityPluginBinding;
+
+        public ActivityPluginBinding getActivityPluginBinding() {
+            return activityPluginBinding;
+        }
+
+        private BoostRegistrarAggregate() {
+            this.shimRegistrars = new HashSet();
+        }
+
+        public void addPlugin(BoostRegistrar shimRegistrar) {
+            this.shimRegistrars.add(shimRegistrar);
+            if (this.flutterPluginBinding != null) {
+                shimRegistrar.onAttachedToEngine(this.flutterPluginBinding);
+            }
+
+            if (this.activityPluginBinding != null) {
+                shimRegistrar.onAttachedToActivity(this.activityPluginBinding);
+            }
+
+        }
+
+        public void onAttachedToEngine(FlutterPluginBinding binding) {
+            this.flutterPluginBinding = binding;
+            Iterator var2 = this.shimRegistrars.iterator();
+
+            while (var2.hasNext()) {
+                BoostRegistrar shimRegistrar = (BoostRegistrar) var2.next();
+                shimRegistrar.onAttachedToEngine(binding);
+            }
+
+        }
+
+        public void onDetachedFromEngine(FlutterPluginBinding binding) {
+            Iterator var2 = this.shimRegistrars.iterator();
+
+            while (var2.hasNext()) {
+                BoostRegistrar shimRegistrar = (BoostRegistrar) var2.next();
+                shimRegistrar.onDetachedFromEngine(binding);
+            }
+
+            this.flutterPluginBinding = null;
+        }
+
+        public void onAttachedToActivity(ActivityPluginBinding binding) {
+            this.activityPluginBinding = binding;
+            Iterator var2 = this.shimRegistrars.iterator();
+
+            while (var2.hasNext()) {
+                BoostRegistrar shimRegistrar = (BoostRegistrar) var2.next();
+                shimRegistrar.onAttachedToActivity(binding);
+            }
+
+        }
+
+        public void onDetachedFromActivityForConfigChanges() {
+            Iterator var1 = this.shimRegistrars.iterator();
+
+            while (var1.hasNext()) {
+                BoostRegistrar shimRegistrar = (BoostRegistrar) var1.next();
+                shimRegistrar.onDetachedFromActivity();
+            }
+
+            this.activityPluginBinding = null;
+        }
+
+        public void onReattachedToActivityForConfigChanges(ActivityPluginBinding binding) {
+            Iterator var2 = this.shimRegistrars.iterator();
+
+            while (var2.hasNext()) {
+                BoostRegistrar shimRegistrar = (BoostRegistrar) var2.next();
+                shimRegistrar.onReattachedToActivityForConfigChanges(binding);
+            }
+
+        }
+
+        public void onDetachedFromActivity() {
+            Iterator var1 = this.shimRegistrars.iterator();
+
+            while (var1.hasNext()) {
+                BoostRegistrar shimRegistrar = (BoostRegistrar) var1.next();
+                shimRegistrar.onDetachedFromActivity();
+            }
+
+        }
+    }
+}
+

android/src/main/java/com/idlefish/flutterboost/BoostRegistrar.java

+package com.idlefish.flutterboost;
+
+import android.app.Activity;
+import android.content.Context;
+import android.support.annotation.NonNull;
+import io.flutter.Log;
+import io.flutter.embedding.engine.plugins.FlutterPlugin;
+import io.flutter.embedding.engine.plugins.activity.ActivityAware;
+import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding;
+import io.flutter.plugin.common.BinaryMessenger;
+import io.flutter.plugin.common.PluginRegistry.ActivityResultListener;
+import io.flutter.plugin.common.PluginRegistry.NewIntentListener;
+import io.flutter.plugin.common.PluginRegistry.Registrar;
+import io.flutter.plugin.common.PluginRegistry.RequestPermissionsResultListener;
+import io.flutter.plugin.common.PluginRegistry.UserLeaveHintListener;
+import io.flutter.plugin.common.PluginRegistry.ViewDestroyListener;
+import io.flutter.plugin.platform.PlatformViewRegistry;
+import io.flutter.view.FlutterMain;
+import io.flutter.view.FlutterNativeView;
+import io.flutter.view.FlutterView;
+import io.flutter.view.TextureRegistry;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Set;
+
+class BoostRegistrar implements Registrar, FlutterPlugin, ActivityAware {
+    private static final String TAG = "ShimRegistrar";
+    private final Map<String, Object> globalRegistrarMap;
+    private final String pluginId;
+    private final Set<ViewDestroyListener> viewDestroyListeners = new HashSet();
+    private final Set<RequestPermissionsResultListener> requestPermissionsResultListeners = new HashSet();
+    private final Set<ActivityResultListener> activityResultListeners = new HashSet();
+    private final Set<NewIntentListener> newIntentListeners = new HashSet();
+    private final Set<UserLeaveHintListener> userLeaveHintListeners = new HashSet();
+    private FlutterPluginBinding pluginBinding;
+    private ActivityPluginBinding activityPluginBinding;
+
+    public BoostRegistrar(@NonNull String pluginId, @NonNull Map<String, Object> globalRegistrarMap) {
+        this.pluginId = pluginId;
+        this.globalRegistrarMap = globalRegistrarMap;
+    }
+
+    public Activity activity() {
+        if(this.activityPluginBinding != null){
+           return this.activityPluginBinding.getActivity();
+        }
+        if(FlutterBoost.instance().currentActivity()!=null){
+            return  FlutterBoost.instance().currentActivity();
+        }
+        return null;
+    }
+
+    public Context context() {
+        return this.pluginBinding != null ? this.pluginBinding.getApplicationContext() : null;
+    }
+
+    public Context activeContext() {
+        return (Context)(this.activityPluginBinding == null ? this.context() : this.activity());
+    }
+
+    public BinaryMessenger messenger() {
+        return this.pluginBinding != null ? this.pluginBinding.getFlutterEngine().getDartExecutor() : null;
+    }
+
+    public TextureRegistry textures() {
+        return this.pluginBinding != null ? this.pluginBinding.getFlutterEngine().getRenderer() : null;
+    }
+
+    public PlatformViewRegistry platformViewRegistry() {
+        return this.pluginBinding != null ? this.pluginBinding.getFlutterEngine().getPlatformViewsController().getRegistry() : null;
+    }
+
+    public FlutterView view() {
+        throw new UnsupportedOperationException("The new embedding does not support the old FlutterView.");
+    }
+
+    public String lookupKeyForAsset(String asset) {
+        return FlutterMain.getLookupKeyForAsset(asset);
+    }
+
+    public String lookupKeyForAsset(String asset, String packageName) {
+        return FlutterMain.getLookupKeyForAsset(asset, packageName);
+    }
+
+    public Registrar publish(Object value) {
+        this.globalRegistrarMap.put(this.pluginId, value);
+        return this;
+    }
+
+    public Registrar addRequestPermissionsResultListener(RequestPermissionsResultListener listener) {
+        this.requestPermissionsResultListeners.add(listener);
+        if (this.activityPluginBinding != null) {
+            this.activityPluginBinding.addRequestPermissionsResultListener(listener);
+        }
+
+        return this;
+    }
+
+    public Registrar addActivityResultListener(ActivityResultListener listener) {
+        this.activityResultListeners.add(listener);
+        if (this.activityPluginBinding != null) {
+            this.activityPluginBinding.addActivityResultListener(listener);
+        }
+
+        return this;
+    }
+
+    public Registrar addNewIntentListener(NewIntentListener listener) {
+        this.newIntentListeners.add(listener);
+        if (this.activityPluginBinding != null) {
+            this.activityPluginBinding.addOnNewIntentListener(listener);
+        }
+
+        return this;
+    }
+
+    public Registrar addUserLeaveHintListener(UserLeaveHintListener listener) {
+        this.userLeaveHintListeners.add(listener);
+        if (this.activityPluginBinding != null) {
+            this.activityPluginBinding.addOnUserLeaveHintListener(listener);
+        }
+
+        return this;
+    }
+
+    @NonNull
+    public Registrar addViewDestroyListener(@NonNull ViewDestroyListener listener) {
+        this.viewDestroyListeners.add(listener);
+        return this;
+    }
+
+    public void onAttachedToEngine(@NonNull FlutterPluginBinding binding) {
+        Log.v("ShimRegistrar", "Attached to FlutterEngine.");
+        this.pluginBinding = binding;
+    }
+
+    public void onDetachedFromEngine(@NonNull FlutterPluginBinding binding) {
+        Log.v("ShimRegistrar", "Detached from FlutterEngine.");
+        Iterator var2 = this.viewDestroyListeners.iterator();
+
+        while(var2.hasNext()) {
+            ViewDestroyListener listener = (ViewDestroyListener)var2.next();
+            listener.onViewDestroy((FlutterNativeView)null);
+        }
+
+        this.pluginBinding = null;
+    }
+
+    public void onAttachedToActivity(@NonNull ActivityPluginBinding binding) {
+        Log.v("ShimRegistrar", "Attached to an Activity.");
+        this.activityPluginBinding = binding;
+        this.addExistingListenersToActivityPluginBinding();
+    }
+
+    public void onDetachedFromActivityForConfigChanges() {
+        Log.v("ShimRegistrar", "Detached from an Activity for config changes.");
+        this.activityPluginBinding = null;
+    }
+
+    public void onReattachedToActivityForConfigChanges(@NonNull ActivityPluginBinding binding) {
+        Log.v("ShimRegistrar", "Reconnected to an Activity after config changes.");
+        this.activityPluginBinding = binding;
+        this.addExistingListenersToActivityPluginBinding();
+    }
+
+    public void onDetachedFromActivity() {
+        Log.v("ShimRegistrar", "Detached from an Activity.");
+        this.activityPluginBinding = null;
+    }
+
+    private void addExistingListenersToActivityPluginBinding() {
+        Iterator var1 = this.requestPermissionsResultListeners.iterator();
+
+        while(var1.hasNext()) {
+            RequestPermissionsResultListener listener = (RequestPermissionsResultListener)var1.next();
+            this.activityPluginBinding.addRequestPermissionsResultListener(listener);
+        }
+
+        var1 = this.activityResultListeners.iterator();
+
+        while(var1.hasNext()) {
+            ActivityResultListener listener = (ActivityResultListener)var1.next();
+            this.activityPluginBinding.addActivityResultListener(listener);
+        }
+
+        var1 = this.newIntentListeners.iterator();
+
+        while(var1.hasNext()) {
+            NewIntentListener listener = (NewIntentListener)var1.next();
+            this.activityPluginBinding.addOnNewIntentListener(listener);
+        }
+
+        var1 = this.userLeaveHintListeners.iterator();
+
+        while(var1.hasNext()) {
+            UserLeaveHintListener listener = (UserLeaveHintListener)var1.next();
+            this.activityPluginBinding.addOnUserLeaveHintListener(listener);
+        }
+
+    }
+}

android/src/main/java/com/idlefish/flutterboost/ContainerRecord.java

@@ -69,14 +69,13 @@ public class ContainerRecord implements IContainerRecord {
     @Override
     public void onCreate() {
         Utils.assertCallOnMainThread();
-        BoostEngineProvider.assertEngineRunning();
 
         if (mState != STATE_UNKNOW) {
             Debuger.exception("state error");
         }
 
         mState = STATE_CREATED;
-        mContainer.getBoostFlutterView().onResume();
+//        mContainer.getBoostFlutterView().onResume();
         mProxy.create();
     }
 
@@ -92,9 +91,10 @@ public class ContainerRecord implements IContainerRecord {
 
         mManager.pushRecord(this);
 
+        mProxy.appear();
+
         mContainer.getBoostFlutterView().onAttach();
 
-        mProxy.appear();
     }
 
     @Override
@@ -129,15 +129,15 @@ public class ContainerRecord implements IContainerRecord {
 
         mProxy.destroy();
 
-        mContainer.getBoostFlutterView().onDestroy();
+//        mContainer.getBoostFlutterView().onDestroy();
 
         mManager.removeRecord(this);
 
         mManager.setContainerResult(this,-1,-1,null);
 
         if (!mManager.hasContainerAppear()) {
-            mContainer.getBoostFlutterView().onPause();
-            mContainer.getBoostFlutterView().onStop();
+//            mContainer.getBoostFlutterView().onPause();
+//            mContainer.getBoostFlutterView().onStop();
         }
     }
 
@@ -154,44 +154,45 @@ public class ContainerRecord implements IContainerRecord {
         map.put("name", mContainer.getContainerUrl());
         map.put("uniqueId", mUniqueId);
 
-        FlutterBoost.singleton().channel().sendEvent("lifecycle", map);
+        FlutterBoost.instance().channel().sendEvent("lifecycle", map);
 
-        mContainer.getBoostFlutterView().onBackPressed();
+//        mContainer.getBoostFlutterView().onBackPressed();
     }
 
     @Override
     public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
-        mContainer.getBoostFlutterView().onRequestPermissionsResult(requestCode, permissions, grantResults);
+
     }
 
     @Override
     public void onNewIntent(Intent intent) {
-        mContainer.getBoostFlutterView().onNewIntent(intent);
+
     }
 
     @Override
     public void onActivityResult(int requestCode, int resultCode, Intent data) {
-        mContainer.getBoostFlutterView().onActivityResult(requestCode, resultCode, data);
+
     }
 
     @Override
     public void onContainerResult(int requestCode, int resultCode, Map<String, Object> result) {
         mManager.setContainerResult(this, requestCode,resultCode, result);
+
     }
 
     @Override
     public void onUserLeaveHint() {
-        mContainer.getBoostFlutterView().onUserLeaveHint();
+
     }
 
     @Override
     public void onTrimMemory(int level) {
-        mContainer.getBoostFlutterView().onTrimMemory(level);
+
     }
 
     @Override
     public void onLowMemory() {
-        mContainer.getBoostFlutterView().onLowMemory();
+
     }
 
 
@@ -252,7 +253,7 @@ public class ContainerRecord implements IContainerRecord {
             args.put("pageName", url);
             args.put("params", params);
             args.put("uniqueId", uniqueId);
-            FlutterBoost.singleton().channel().invokeMethod(method, args);
+            FlutterBoost.instance().channel().invokeMethod(method, args);
         }
 
         public void invokeChannelUnsafe(String method, String url, Map params, String uniqueId) {
@@ -260,7 +261,7 @@ public class ContainerRecord implements IContainerRecord {
             args.put("pageName", url);
             args.put("params", params);
             args.put("uniqueId", uniqueId);
-            FlutterBoost.singleton().channel().invokeMethodUnsafe(method, args);
+            FlutterBoost.instance().channel().invokeMethodUnsafe(method, args);
         }
     }
 

android/src/main/java/com/idlefish/flutterboost/Debuger.java

@@ -60,7 +60,7 @@ public class Debuger {
 
     public static boolean isDebug(){
         try {
-            return FlutterBoost.singleton().platform().isDebug();
+            return FlutterBoost.instance().platform().isDebug();
         }catch (Throwable t){
             return false;
         }

android/src/main/java/com/idlefish/flutterboost/FlutterViewContainerManager.java

@@ -25,7 +25,6 @@ package com.idlefish.flutterboost;
 
 import android.content.Context;
 import android.text.TextUtils;
-import android.util.SparseArray;
 
 import com.idlefish.flutterboost.interfaces.IContainerManager;
 import com.idlefish.flutterboost.interfaces.IContainerRecord;
@@ -41,7 +40,6 @@ import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.Set;
 import java.util.Stack;
-import java.util.concurrent.atomic.AtomicInteger;
 
 public class FlutterViewContainerManager implements IContainerManager {
 
@@ -84,6 +82,11 @@ public class FlutterViewContainerManager implements IContainerManager {
     void removeRecord(IContainerRecord record) {
         mRecordStack.remove(record);
         mRecordMap.remove(record.getContainer());
+//        if(mRecordMap.isEmpty()){
+//
+//        }
+
+
     }
 
     void setContainerResult(IContainerRecord record,int requestCode, int resultCode, Map<String,Object> result) {
@@ -111,9 +114,9 @@ public class FlutterViewContainerManager implements IContainerManager {
     }
 
     void openContainer(String url, Map<String, Object> urlParams, Map<String, Object> exts,OnResult onResult) {
-        Context context = FlutterBoost.singleton().currentActivity();
+        Context context = FlutterBoost.instance().currentActivity();
         if(context == null) {
-            context = FlutterBoost.singleton().platform().getApplication();
+            context = FlutterBoost.instance().platform().getApplication();
         }
 
         if(urlParams == null) {
@@ -128,11 +131,13 @@ public class FlutterViewContainerManager implements IContainerManager {
 
         final String uniqueId = ContainerRecord.genUniqueId(url);
         urlParams.put(IContainerRecord.UNIQ_KEY,uniqueId);
+
+        IContainerRecord currentTopRecord = getCurrentTopRecord();
         if(onResult != null) {
-            mOnResults.put(uniqueId,onResult);
+            mOnResults.put(currentTopRecord.uniqueId(),onResult);
         }
 
-        FlutterBoost.singleton().platform().openContainer(context,url,urlParams,requestCode,exts);
+        FlutterBoost.instance().platform().openContainer(context,url,urlParams,requestCode,exts);
     }
 
     IContainerRecord closeContainer(String uniqueId, Map<String, Object> result,Map<String,Object> exts) {
@@ -148,7 +153,7 @@ public class FlutterViewContainerManager implements IContainerManager {
             Debuger.exception("closeContainer can not find uniqueId:" + uniqueId);
         }
 
-        FlutterBoost.singleton().platform().closeContainer(targetRecord,result,exts);
+        FlutterBoost.instance().platform().closeContainer(targetRecord,result,exts);
         return targetRecord;
     }
 

android/src/main/java/com/idlefish/flutterboost/Platform.java

 package com.idlefish.flutterboost;
 
+import android.app.Application;
+import android.content.Context;
+import android.util.Log;
 import com.idlefish.flutterboost.interfaces.IContainerRecord;
-import com.idlefish.flutterboost.interfaces.IFlutterEngineProvider;
-import com.idlefish.flutterboost.interfaces.IPlatform;
 
 import java.lang.reflect.Method;
 import java.util.Map;
 
+import io.flutter.embedding.android.FlutterView;
 import io.flutter.plugin.common.PluginRegistry;
 
-public abstract class Platform implements IPlatform {
+public abstract class Platform {
 
-    @Override
-    public boolean isDebug() {
-        return false;
-    }
+    public abstract Application getApplication();
+
+    public abstract void openContainer(Context context, String url, Map<String, Object> urlParams, int requestCode, Map<String, Object> exts);
+
+    public abstract int whenEngineStart();
+
+
+    public abstract FlutterView.RenderMode renderMode();
+
+    public abstract boolean isDebug();
+
+    public abstract String initialRoute();
+
+    public FlutterBoost.BoostLifecycleListener lifecycleListener;
+
+    public FlutterBoost.BoostPluginsRegister pluginsRegister;
 
-    @Override
     public void closeContainer(IContainerRecord record, Map<String, Object> result, Map<String, Object> exts) {
-        if(record == null) return;
+        if (record == null) return;
 
         record.getContainer().finishContainer(result);
     }
 
-    @Override
-    public IFlutterEngineProvider engineProvider() {
-        return new BoostEngineProvider();
-    }
 
-    @Override
-    public void registerPlugins(PluginRegistry registry) {
-        try {
-            Class clz = Class.forName("io.flutter.plugins.GeneratedPluginRegistrant");
-            Method method = clz.getDeclaredMethod("registerWith",PluginRegistry.class);
-            method.invoke(null,registry);
-        }catch (Throwable t){
-            throw new RuntimeException(t);
-        }
+    public void registerPlugins(PluginRegistry mRegistry) {
+
+        if(pluginsRegister!=null){
+            pluginsRegister.registerPlugins(mRegistry);
         }
 
-    @Override
-    public int whenEngineStart() {
-        return ANY_ACTIVITY_CREATED;
+        if (lifecycleListener!= null) {
+            lifecycleListener.onPluginsRegistered();
+        }
     }
 }

android/src/main/java/com/idlefish/flutterboost/SnapshotView.java

-package com.idlefish.flutterboost;
-
-import android.content.Context;
-import android.graphics.Bitmap;
-import android.graphics.Color;
-import android.support.annotation.NonNull;
-import android.support.annotation.Nullable;
-import android.util.AttributeSet;
-import android.view.Gravity;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.FrameLayout;
-import android.widget.ImageView;
-
-import java.util.LinkedList;
-import java.util.List;
-
-public class SnapshotView extends FrameLayout {
-
-    private ImageView mImg;
-
-    public SnapshotView(@NonNull Context context) {
-        super(context);
-        init();
-    }
-
-    public SnapshotView(@NonNull Context context, @Nullable AttributeSet attrs) {
-        super(context, attrs);
-        init();
-    }
-
-    public SnapshotView(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
-        super(context, attrs, defStyleAttr);
-        init();
-    }
-
-    private void init(){
-        setBackgroundColor(Color.RED);
-
-        mImg = new ImageView(getContext());
-
-        FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(
-                ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
-        params.gravity = Gravity.CENTER;
-
-        mImg.setScaleType(ImageView.ScaleType.FIT_XY);
-        mImg.setLayoutParams(params);
-
-        addView(mImg);
-    }
-
-    public void toggleSnapshot(BoostFlutterView flutterView){
-        if (!dismissSnapshot(flutterView)) {
-            showSnapshot(flutterView);
-        }
-    }
-
-    public boolean showSnapshot(BoostFlutterView flutterView){
-        if(flutterView == null) return false;
-
-        dismissSnapshot(flutterView);
-
-        final Bitmap bitmap = flutterView.getEngine().getRenderer().getBitmap();
-        if(bitmap == null || bitmap.isRecycled()) {
-            return false;
-        }
-
-        mImg.setImageBitmap(bitmap);
-
-        flutterView.addView(this,new FrameLayout.LayoutParams(
-                ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
-
-        Debuger.log("showSnapshot");
-        return true;
-    }
-
-    public boolean dismissSnapshot(BoostFlutterView flutterView){
-        List<View> snapshots = new LinkedList<>();
-
-        for(int index = 0;index < flutterView.getChildCount();index++){
-            View view = flutterView.getChildAt(index);
-            if(view instanceof SnapshotView) {
-                snapshots.add(view);
-            }
-        }
-
-        if(snapshots.isEmpty()) {
-            return false;
-        }else{
-            for(View v:snapshots) {
-                flutterView.removeView(v);
-            }
-            Debuger.log("dismissSnapshot");
-            return true;
-        }
-    }
-}

android/src/main/java/com/idlefish/flutterboost/StateListener.java

-package com.idlefish.flutterboost;
-
-import com.idlefish.flutterboost.interfaces.IStateListener;
-
-import io.flutter.plugin.common.PluginRegistry;
-
-public class StateListener implements IStateListener {
-    @Override
-    public void onEngineCreated(BoostFlutterEngine engine) {
-        Debuger.log(">>onEngineCreated");
-    }
-
-    @Override
-    public void onEngineStarted(BoostFlutterEngine engine) {
-        Debuger.log(">>onEngineStarted");
-    }
-
-    @Override
-    public void onChannelRegistered(PluginRegistry.Registrar registrar, BoostChannel channel) {
-        Debuger.log(">>onFlutterViewInited");
-    }
-
-    @Override
-    public void onFlutterViewInited(BoostFlutterEngine engine, BoostFlutterView flutterView) {
-        Debuger.log(">>onFlutterViewInited");
-    }
-
-    @Override
-    public void beforeEngineAttach(BoostFlutterEngine engine, BoostFlutterView flutterView) {
-        Debuger.log(">>beforeEngineAttach");
-    }
-
-    @Override
-    public void afterEngineAttached(BoostFlutterEngine engine, BoostFlutterView flutterView) {
-        Debuger.log(">>afterEngineAttached");
-    }
-
-    @Override
-    public void beforeEngineDetach(BoostFlutterEngine engine, BoostFlutterView flutterView) {
-        Debuger.log(">>beforeEngineDetach");
-    }
-
-    @Override
-    public void afterEngineDetached(BoostFlutterEngine engine, BoostFlutterView flutterView) {
-        Debuger.log(">>afterEngineDetached");
-    }
-}

android/src/main/java/com/idlefish/flutterboost/Utils.java

@@ -35,14 +35,14 @@ import android.view.View;
 import android.view.Window;
 import android.view.WindowManager;
 import android.view.inputmethod.InputMethodManager;
+import com.alibaba.fastjson.JSON;
 
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStreamReader;
+import java.io.*;
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
+import java.net.URLEncoder;
+import java.util.List;
+import java.util.Map;
 
 public class Utils {
 
@@ -263,7 +263,7 @@ public class Utils {
             return;
         }
 
-        String [] arr = new String[]{"mLastSrvView", "mServedView", "mNextServedView"};
+        String [] arr = new String[]{"mLastSrvView","mServedView", "mNextServedView"};
         Field f = null;
         Object obj_get = null;
         for (int i = 0;i < arr.length;i ++) {
@@ -272,21 +272,71 @@ public class Utils {
                 f = imm.getClass().getDeclaredField(param);
                 if (f.isAccessible() == false) {
                     f.setAccessible(true);
-                } // author: sodino mail:sodino@qq.com
+                }
                 obj_get = f.get(imm);
                 if (obj_get != null && obj_get instanceof View) {
                     View v_get = (View) obj_get;
-                    if (v_get.getContext() == destContext) { // 被InputMethodManager持有引用的context是想要目标销毁的
-                        f.set(imm, null); // 置空，破坏掉path to gc节点
+                    if (v_get.getContext() == destContext) {
+                        f.set(imm, null);
                     } else {
-                        // 不是想要目标销毁的，即为又进了另一层界面了，不要处理，避免影响原逻辑,也就不用继续for循环了
                         break;
                     }
                 }
             }catch(Throwable t){
-                t.printStackTrace();
+//                t.printStackTrace();
+            }
+        }
+    }
+
+
+
+
+    public static String assembleUrl(String url,Map<String, Object> urlParams){
+
+        StringBuilder targetUrl = new StringBuilder(url);
+        if(urlParams != null && !urlParams.isEmpty()) {
+            if(!targetUrl.toString().contains("?")){
+                targetUrl.append("?");
+            }
+
+
+            for(Map.Entry entry:urlParams.entrySet()) {
+                if(entry.getValue() instanceof Map ) {
+                    Map<String,Object> params = (Map<String,Object> )entry.getValue();
+
+                    for(Map.Entry param:params.entrySet()) {
+                        String key = (String)param.getKey();
+                        String value = null;
+                        if(param.getValue() instanceof Map || param.getValue() instanceof List) {
+                            try {
+                                value = URLEncoder.encode(JSON.toJSONString(param.getValue()), "UTF-8");
+                            } catch (UnsupportedEncodingException e) {
+                                e.printStackTrace();
+                            }
+                        }else{
+                            value = (param.getValue()==null?null:URLEncoder.encode( String.valueOf(param.getValue())));
+                        }
+
+                        if(value==null){
+                            continue;
+                        }
+                        if(targetUrl.toString().endsWith("?")){
+                            targetUrl.append(key).append("=").append(value);
+                        }else{
+                            targetUrl.append("&").append(key).append("=").append(value);
+                        }
+
                     }
                 }
+
             }
 
+
+        }
+        return  targetUrl.toString();
+    }
+
+
+
+
 }
\ No newline at end of file

android/src/main/java/com/idlefish/flutterboost/XFlutterTextureView.java

+package com.idlefish.flutterboost;
+
+import android.content.Context;
+import android.graphics.SurfaceTexture;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.util.AttributeSet;
+import android.view.Surface;
+import android.view.TextureView;
+import io.flutter.Log;
+import io.flutter.embedding.engine.renderer.FlutterRenderer;
+import io.flutter.embedding.engine.renderer.OnFirstFrameRenderedListener;
+
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+
+public class XFlutterTextureView extends TextureView implements FlutterRenderer.RenderSurface {
+    private static final String TAG = "XFlutterTextureView";
+    private boolean isSurfaceAvailableForRendering;
+    private boolean isAttachedToFlutterRenderer;
+    @Nullable
+    private FlutterRenderer flutterRenderer;
+    @NonNull
+    private Set<OnFirstFrameRenderedListener> onFirstFrameRenderedListeners;
+    private final SurfaceTextureListener surfaceTextureListener;
+
+    public XFlutterTextureView(@NonNull Context context) {
+        this(context, (AttributeSet)null);
+    }
+
+    public XFlutterTextureView(@NonNull Context context, @Nullable AttributeSet attrs) {
+        super(context, attrs);
+        this.isSurfaceAvailableForRendering = false;
+        this.isAttachedToFlutterRenderer = false;
+        this.onFirstFrameRenderedListeners = new HashSet();
+        this.surfaceTextureListener = new SurfaceTextureListener() {
+            public void onSurfaceTextureAvailable(SurfaceTexture surfaceTexture, int width, int height) {
+                Log.v("FlutterTextureView", "SurfaceTextureListener.onSurfaceTextureAvailable()");
+                XFlutterTextureView.this.isSurfaceAvailableForRendering = true;
+                if (XFlutterTextureView.this.isAttachedToFlutterRenderer) {
+                    XFlutterTextureView.this.connectSurfaceToRenderer();
+                }
+
+            }
+
+            public void onSurfaceTextureSizeChanged(@NonNull SurfaceTexture surface, int width, int height) {
+                Log.v("FlutterTextureView", "SurfaceTextureListener.onSurfaceTextureSizeChanged()");
+                if (XFlutterTextureView.this.isAttachedToFlutterRenderer) {
+                    XFlutterTextureView.this.changeSurfaceSize(width, height);
+                }
+
+            }
+
+            public void onSurfaceTextureUpdated(@NonNull SurfaceTexture surface) {
+            }
+
+            public boolean onSurfaceTextureDestroyed(@NonNull SurfaceTexture surface) {
+                Log.v("FlutterTextureView", "SurfaceTextureListener.onSurfaceTextureDestroyed()");
+                XFlutterTextureView.this.isSurfaceAvailableForRendering = false;
+                if (XFlutterTextureView.this.isAttachedToFlutterRenderer) {
+                    XFlutterTextureView.this.disconnectSurfaceFromRenderer();
+                }
+
+                return true;
+            }
+        };
+        this.init();
+    }
+
+    private void init() {
+        this.setSurfaceTextureListener(this.surfaceTextureListener);
+    }
+
+    public void attachToRenderer(@NonNull FlutterRenderer flutterRenderer) {
+        Log.v("FlutterTextureView", "Attaching to FlutterRenderer.");
+        if (this.flutterRenderer != null) {
+            Log.v("FlutterTextureView", "Already connected to a FlutterRenderer. Detaching from old one and attaching to new one.");
+            this.flutterRenderer.detachFromRenderSurface();
+        }
+
+        this.flutterRenderer = flutterRenderer;
+        this.isAttachedToFlutterRenderer = true;
+        if (this.isSurfaceAvailableForRendering) {
+            Log.v("FlutterTextureView", "Surface is available for rendering. Connecting FlutterRenderer to Android surface.");
+            this.connectSurfaceToRenderer();
+        }
+
+    }
+
+    public void detachFromRenderer() {
+        if (this.flutterRenderer != null) {
+            if (this.getWindowToken() != null) {
+                Log.v("FlutterTextureView", "Disconnecting FlutterRenderer from Android surface.");
+                this.disconnectSurfaceFromRenderer();
+            }
+
+            this.flutterRenderer = null;
+            this.isAttachedToFlutterRenderer = false;
+        } else {
+            Log.w("FlutterTextureView", "detachFromRenderer() invoked when no FlutterRenderer was attached.");
+        }
+
+    }
+
+    private void connectSurfaceToRenderer() {
+        if (this.flutterRenderer != null && this.getSurfaceTexture() != null) {
+            Surface surface= new Surface(this.getSurfaceTexture());
+            this.flutterRenderer.surfaceCreated(surface);
+            surface.release();
+        } else {
+            throw new IllegalStateException("connectSurfaceToRenderer() should only be called when flutterRenderer and getSurfaceTexture() are non-null.");
+        }
+    }
+
+    private void changeSurfaceSize(int width, int height) {
+        if (this.flutterRenderer == null) {
+            throw new IllegalStateException("changeSurfaceSize() should only be called when flutterRenderer is non-null.");
+        } else {
+            Log.v("FlutterTextureView", "Notifying FlutterRenderer that Android surface size has changed to " + width + " x " + height);
+            this.flutterRenderer.surfaceChanged(width, height);
+        }
+    }
+
+    private void disconnectSurfaceFromRenderer() {
+        if (this.flutterRenderer == null) {
+            throw new IllegalStateException("disconnectSurfaceFromRenderer() should only be called when flutterRenderer is non-null.");
+        } else {
+            this.flutterRenderer.surfaceDestroyed();
+        }
+    }
+
+    public void addOnFirstFrameRenderedListener(@NonNull OnFirstFrameRenderedListener listener) {
+        this.onFirstFrameRenderedListeners.add(listener);
+    }
+
+    public void removeOnFirstFrameRenderedListener(@NonNull OnFirstFrameRenderedListener listener) {
+        this.onFirstFrameRenderedListeners.remove(listener);
+    }
+
+    public void onFirstFrameRendered() {
+        Log.v("FlutterTextureView", "onFirstFrameRendered()");
+        Iterator var1 = this.onFirstFrameRenderedListeners.iterator();
+
+        while(var1.hasNext()) {
+            OnFirstFrameRenderedListener listener = (OnFirstFrameRenderedListener)var1.next();
+            listener.onFirstFrameRendered();
+        }
+
+    }
+}
\ No newline at end of file

android/src/main/java/com/idlefish/flutterboost/XInputConnectionAdaptor.java

@@ -12,6 +12,23 @@ import android.view.inputmethod.InputMethodManager;
 import io.flutter.embedding.engine.systemchannels.TextInputChannel;
 import io.flutter.plugin.common.ErrorLogResult;
 import io.flutter.plugin.common.MethodChannel;
+import android.content.Context;
+import android.text.DynamicLayout;
+import android.text.Editable;
+import android.text.Layout;
+import android.text.Layout.Directions;
+import android.text.Selection;
+import android.text.TextPaint;
+import android.view.KeyEvent;
+import android.view.View;
+import android.view.inputmethod.BaseInputConnection;
+import android.view.inputmethod.EditorInfo;
+import android.view.inputmethod.InputMethodManager;
+
+import io.flutter.embedding.engine.systemchannels.TextInputChannel;
+import io.flutter.Log;
+import io.flutter.plugin.common.ErrorLogResult;
+import io.flutter.plugin.common.MethodChannel;
 
 class XInputConnectionAdaptor extends BaseInputConnection {
     private final View mFlutterView;
@@ -20,10 +37,9 @@ class XInputConnectionAdaptor extends BaseInputConnection {
     private final Editable mEditable;
     private int mBatchCount;
     private InputMethodManager mImm;
+    private final Layout mLayout;
 
-    private static final MethodChannel.Result logger =
-            new ErrorLogResult("FlutterTextInput");
-
+    @SuppressWarnings("deprecation")
     public XInputConnectionAdaptor(
             View view,
             int client,
@@ -36,6 +52,9 @@ class XInputConnectionAdaptor extends BaseInputConnection {
         this.textInputChannel = textInputChannel;
         mEditable = editable;
         mBatchCount = 0;
+        // We create a dummy Layout with max width so that the selection
+        // shifting acts as if all text were in one line.
+        mLayout = new DynamicLayout(mEditable, new TextPaint(), Integer.MAX_VALUE, Layout.Alignment.ALIGN_NORMAL, 1.0f, 0.0f, false);
         mImm = (InputMethodManager) view.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
     }
 
@@ -126,12 +145,25 @@ class XInputConnectionAdaptor extends BaseInputConnection {
         return result;
     }
 
+    // Sanitizes the index to ensure the index is within the range of the
+    // contents of editable.
+    private static int clampIndexToEditable(int index, Editable editable) {
+        int clamped = Math.max(0, Math.min(editable.length(), index));
+        if (clamped != index) {
+            Log.d("flutter", "Text selection index was clamped ("
+                    + index + "->" + clamped
+                    + ") to remain in bounds. This may not be your fault, as some keyboards may select outside of bounds."
+            );
+        }
+        return clamped;
+    }
+
     @Override
     public boolean sendKeyEvent(KeyEvent event) {
         if (event.getAction() == KeyEvent.ACTION_DOWN) {
             if (event.getKeyCode() == KeyEvent.KEYCODE_DEL) {
-                int selStart = Selection.getSelectionStart(mEditable);
-                int selEnd = Selection.getSelectionEnd(mEditable);
+                int selStart = clampIndexToEditable(Selection.getSelectionStart(mEditable), mEditable);
+                int selEnd = clampIndexToEditable(Selection.getSelectionEnd(mEditable), mEditable);
                 if (selEnd > selStart) {
                     // Delete the selection.
                     Selection.setSelection(mEditable, selStart);
@@ -139,10 +171,33 @@ class XInputConnectionAdaptor extends BaseInputConnection {
                     updateEditingState();
                     return true;
                 } else if (selStart > 0) {
-                    // Delete to the left of the cursor.
-                    int newSel = Math.max(selStart - 1, 0);
-                    Selection.setSelection(mEditable, newSel);
-                    mEditable.delete(newSel, selStart);
+                    // Delete to the left/right of the cursor depending on direction of text.
+                    // TODO(garyq): Explore how to obtain per-character direction. The
+                    // isRTLCharAt() call below is returning blanket direction assumption
+                    // based on the first character in the line.
+                    boolean isRtl = mLayout.isRtlCharAt(mLayout.getLineForOffset(selStart));
+                    try {
+                        if (isRtl) {
+                            Selection.extendRight(mEditable, mLayout);
+                        } else {
+                            Selection.extendLeft(mEditable, mLayout);
+                        }
+                    } catch (IndexOutOfBoundsException e) {
+                        // On some Chinese devices (primarily Huawei, some Xiaomi),
+                        // on initial app startup before focus is lost, the
+                        // Selection.extendLeft and extendRight calls always extend
+                        // from the index of the initial contents of mEditable. This
+                        // try-catch will prevent crashing on Huawei devices by falling
+                        // back to a simple way of deletion, although this a hack and
+                        // will not handle emojis.
+                        Selection.setSelection(mEditable, selStart, selStart - 1);
+                    }
+                    int newStart = clampIndexToEditable(Selection.getSelectionStart(mEditable), mEditable);
+                    int newEnd = clampIndexToEditable(Selection.getSelectionEnd(mEditable), mEditable);
+                    Selection.setSelection(mEditable, Math.min(newStart, newEnd));
+                    // Min/Max the values since RTL selections will start at a higher
+                    // index than they end at.
+                    mEditable.delete(Math.min(newStart, newEnd), Math.max(newStart, newEnd));
                     updateEditingState();
                     return true;
                 }

android/src/main/java/com/idlefish/flutterboost/containers/BoostFlutterDefaultActivity.java

-package com.idlefish.flutterboost.containers;
-
-import android.app.Activity;
-import android.content.Context;
-import android.content.Intent;
-
-import java.util.HashMap;
-import java.util.Map;
-
-public class BoostFlutterDefaultActivity extends BoostFlutterActivity {
-
-    @Override
-    public String getContainerUrl() {
-        return getIntent().getStringExtra("url");
-    }
-
-    @Override
-    public Map getContainerUrlParams() {
-        return (Map)(getIntent().getSerializableExtra("params"));
-    }
-
-    private static Intent intent(Context context, String url, HashMap<String, Object> params) {
-        final Intent intent = new Intent(context, BoostFlutterDefaultActivity.class);
-        intent.putExtra("url", url);
-        intent.putExtra("params", params);
-        return intent;
-    }
-
-    public static void open(Context context, String url, HashMap<String, Object> params) {
-        context.startActivity(intent(context, url, params));
-    }
-
-    public static void open(Activity activity, String url, HashMap<String, Object> params, int requestCode) {
-        activity.startActivityForResult(intent(activity, url, params), requestCode);
-    }
-}
\ No newline at end of file

android/src/main/java/com/idlefish/flutterboost/interfaces/IFlutterEngineProvider.java

-/*
- * The MIT License (MIT)
- * 
- * Copyright (c) 2019 Alibaba Group
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- * 
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-package com.idlefish.flutterboost.interfaces;
-
-import android.content.Context;
-
-import com.idlefish.flutterboost.BoostFlutterEngine;
-/**
- * a flutter engine provider
- */
-public interface IFlutterEngineProvider {
-
-    /**
-     * create flutter engine, we just hold a single instance now
-     * @param context
-     * @return
-     */
-    BoostFlutterEngine createEngine(Context context);
-
-    /**
-     * provide a flutter engine
-     * @param context
-     * @return
-     */
-    BoostFlutterEngine provideEngine(Context context);
-
-    /**
-     * may return null
-     * @return
-     */
-    BoostFlutterEngine tryGetEngine();
-}

android/src/main/java/com/idlefish/flutterboost/interfaces/IFlutterViewContainer.java

@@ -25,7 +25,7 @@ package com.idlefish.flutterboost.interfaces;
 
 import android.app.Activity;
 
-import com.idlefish.flutterboost.BoostFlutterView;
+import com.idlefish.flutterboost.containers.FlutterSplashView;
 
 import java.util.Map;
 
@@ -41,7 +41,7 @@ public interface IFlutterViewContainer {
      * provide a flutter view
      * @return
      */
-    BoostFlutterView getBoostFlutterView();
+    FlutterSplashView getBoostFlutterView();
 
     /**
      * call to destroy the container

android/src/main/java/com/idlefish/flutterboost/interfaces/INativeRouter.java

+package com.idlefish.flutterboost.interfaces;
+
+import android.content.Context;
+
+import java.util.Map;
+
+public interface INativeRouter {
+
+    void openContainer(Context context, String url, Map<String,Object> urlParams, int requestCode, Map<String,Object> exts);
+
+
+}

android/src/main/java/com/idlefish/flutterboost/interfaces/IPluginsRegister.java

+package com.idlefish.flutterboost.interfaces;
+
+
+

android/src/main/java/com/idlefish/flutterboost/interfaces/IStateListener.java

-package com.idlefish.flutterboost.interfaces;
-
-import com.idlefish.flutterboost.BoostChannel;
-import com.idlefish.flutterboost.BoostFlutterEngine;
-import com.idlefish.flutterboost.BoostFlutterView;
-
-import io.flutter.plugin.common.PluginRegistry;
-
-public interface IStateListener {
-    void onEngineCreated(BoostFlutterEngine engine);
-    void onEngineStarted(BoostFlutterEngine engine);
-    void onChannelRegistered(PluginRegistry.Registrar registrar, BoostChannel channel);
-    void onFlutterViewInited(BoostFlutterEngine engine, BoostFlutterView flutterView);
-    void beforeEngineAttach(BoostFlutterEngine engine, BoostFlutterView flutterView);
-    void afterEngineAttached(BoostFlutterEngine engine, BoostFlutterView flutterView);
-    void beforeEngineDetach(BoostFlutterEngine engine, BoostFlutterView flutterView);
-    void afterEngineDetached(BoostFlutterEngine engine, BoostFlutterView flutterView);
-}

example/android/app/build.gradle

@@ -25,7 +25,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 26
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
@@ -35,7 +35,7 @@ android {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.taobao.idlefish.flutterboostexample"
         minSdkVersion 16
-        targetSdkVersion 26
+        targetSdkVersion 28
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -58,6 +58,6 @@ 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'
-    implementation 'com.android.support:support-v4:26.1.0'
-    implementation 'com.android.support:appcompat-v7:26.1.0'
+    implementation 'com.android.support:appcompat-v7:28.0.0'
+
 }