flutter 反編譯

You are building a fat APK that includes binaries for android-arm, android-arm64.

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If you are deploying the app to the Play Store, it's recommended to use app bundles or split the APK to reduce the APK size.

To generate an app bundle, run:

? ? flutter build appbundle --target-platform android-arm,android-arm64

? ? Learn more on:

To split the APKs per ABI, run:

? ? flutter build apk --target-platform android-arm,android-arm64 --split-per-abi

? ? Learn more on:?

Initializing gradle...? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 2.3s

Resolving dependencies...? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 14.2s

Running Gradle task 'assembleRelease'...? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?: E:\work_tool\flutter\.pub-cache\hosted\pub.flutter-io.cn\connectivity-0.4.4\android\src\main\java\io\flutter\plugins\connectivity\ConnectivityPlugin.java???????????????? API??

?: ?й???????, ????? -Xlint:deprecation ???±???

?: E:\work_tool\flutter\.pub-cache\hosted\pub.flutter-io.cn\url_launcher-5.1.3\android\src\main\java\io\flutter\plugins\urllauncher\WebViewActivity.java?

??????????????? API??

?: ?й???????, ????? -Xlint:deprecation ???±???

Calling mockable JAR artifact transform to create file: C:\Users\Administrator\.gradle\caches\transforms-1\files-1.1\android.jar\baf414ed95f14e507d85c560886dfbe2\android.jar with input E:\work_tool\sdk\android-sdk-windows\platforms\android-28\android.jar

Calling mockable JAR artifact transform to create file: C:\Users\Administrator\.gradle\caches\transforms-1\files-1.1\android.jar\ab096bb3fb172ccb785acdb1058c10a9\android.jar with input E:\work_tool\sdk\android-sdk-windows\platforms\android-27\android.jar

Request to incrementing alive workforce from 0. Current workforce (dead or alive) 0

thread-pool size=4

ProGuard, version 6.0.3

Reading input...

Reading program jar [C:\Users\Administrator\.gradle\caches\transforms-1\files-1.1\flutter.jar\ab2691c929f4d2aa57a17fa551e662a6\jetified-flutter.jar] (filtered)

Reading program jar [F:\dartSpace\flutter\jiddspace\nfc\build\app\intermediates\flutter\release\libs.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\transforms-1\files-1.1\localbroadcastmanager-1.0.0.aar\7a407f962902eada026a8e241a760bac\jars\classes.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\transforms-1\files-1.1\work-runtime-2.1.0.aar\8e3a1e8a8ff79006a94df6c01ceeb4f5\jars\classes.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\transforms-1\files-1.1\fragment-1.1.0.aar\4fa7d1b49e3514cb08c8a696f9b59436\jars\classes.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\transforms-1\files-1.1\room-runtime-2.1.0.aar\1b8774fa39759f08defb930275652eac\jars\classes.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\transforms-1\files-1.1\room-runtime-2.1.0.aar\1b8774fa39759f08defb930275652eac\jars\libs\room-common-java8-2.1.0.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\transforms-1\files-1.1\viewpager-1.0.0.aar\885186e7f6f969363bc93cd607d741a5\jars\classes.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\transforms-1\files-1.1\loader-1.0.0.aar\f84f22ad0a97d2c689850b912fc04277\jars\classes.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\transforms-1\files-1.1\activity-1.0.0.aar\a46db1490fae1b9001fc672a24eb288f\jars\classes.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\transforms-1\files-1.1\customview-1.0.0.aar\fe8bf4a709414e884086911d2168b715\jars\classes.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\transforms-1\files-1.1\core-1.1.0.aar\87febb54759dd5a2c7be8e971d745644\jars\classes.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\transforms-1\files-1.1\versionedparcelable-1.1.0.aar\754157c6f50ca4e4cf3ac8d7cb5ced26\jars\classes.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\modules-2\files-2.1\androidx.collection\collection\1.1.0\1f27220b47669781457de0d600849a5de0e89909\collection-1.1.0.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\transforms-1\files-1.1\lifecycle-livedata-2.0.0.aar\de6944801d37d99b1dd0b877649fde1f\jars\classes.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\transforms-1\files-1.1\lifecycle-livedata-core-2.0.0.aar\e21d6663beb6faa41a30fd5a582cb4d9\jars\classes.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\transforms-1\files-1.1\core-runtime-2.0.1.aar\724bb0cc2ce99eaf0a23a99bb1cc5c23\jars\classes.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\modules-2\files-2.1\androidx.room\room-common\2.1.0\b87765704590bd992ea0d92ac50253a9df7818a0\room-common-2.1.0.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\transforms-1\files-1.1\sqlite-framework-2.0.1.aar\9cbdf82e938f7e565620a3682d2406e9\jars\classes.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\transforms-1\files-1.1\sqlite-2.0.1.aar\1215aa5476f752bd431fb2d8059a1a39\jars\classes.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\transforms-1\files-1.1\lifecycle-service-2.0.0.aar\9d24ebd4d6766d7b2cd515369a737934\jars\classes.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\transforms-1\files-1.1\lifecycle-runtime-2.1.0.aar\ca02c0867547ae607130bcc54a4a9ba5\jars\classes.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\transforms-1\files-1.1\lifecycle-viewmodel-2.1.0.aar\594e1ff6298a01d8933530bb534fa472\jars\classes.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\transforms-1\files-1.1\savedstate-1.0.0.aar\8a2c3791a34fc80e5d9d268bf2886f95\jars\classes.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\modules-2\files-2.1\androidx.lifecycle\lifecycle-common\2.1.0\c67e7807d9cd6c329b9d0218b2ec4e505dd340b7\lifecycle-common-2.1.0.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\modules-2\files-2.1\androidx.arch.core\core-common\2.1.0\b3152fc64428c9354344bd89848ecddc09b6f07e\core-common-2.1.0.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\modules-2\files-2.1\androidx.annotation\annotation\1.1.0\e3a6fb2f40e3a3842e6b7472628ba4ce416ea4c8\annotation-1.1.0.jar] (filtered)

Reading program jar [C:\Users\Administrator\.gradle\caches\modules-2\files-2.1\com.google.guava\listenablefuture\1.0\c949a840a6acbc5268d088e47b04177bf90b3cad\listenablefuture-1.0.jar] (filtered)

Reading program jar [F:\dartSpace\flutter\jiddspace\nfc\build\flutter_downloader\intermediates\intermediate-jars\release\classes.jar] (filtered)

Reading program jar [F:\dartSpace\flutter\jiddspace\nfc\build\shared_preferences\intermediates\intermediate-jars\release\classes.jar] (filtered)

Reading program jar [F:\dartSpace\flutter\jiddspace\nfc\build\url_launcher\intermediates\intermediate-jars\release\classes.jar] (filtered)

Reading program jar [F:\dartSpace\flutter\jiddspace\nfc\build\sqflite\intermediates\intermediate-jars\release\classes.jar] (filtered)

Reading program jar [F:\dartSpace\flutter\jiddspace\nfc\build\connectivity\intermediates\intermediate-jars\release\classes.jar] (filtered)

Reading program jar [F:\dartSpace\flutter\jiddspace\nfc\build\path_provider\intermediates\intermediate-jars\release\classes.jar] (filtered)

Reading program jar [F:\dartSpace\flutter\jiddspace\nfc\build\package_info\intermediates\intermediate-jars\release\classes.jar] (filtered)

Reading program directory [F:\dartSpace\flutter\jiddspace\nfc\build\app\intermediates\javac\release\compileReleaseJavaWithJavac\classes] (filtered)

Reading program jar [F:\dartSpace\flutter\jiddspace\nfc\build\app\intermediates\transforms\mergeJavaRes\release\0.jar] (filtered)

Reading library jar [C:\Users\Administrator\.gradle\caches\modules-2\files-2.1\androidx.annotation\annotation\1.0.0\45599f2cd5965ac05a1488fa2a5c0cdd7c499ead\annotation-1.0.0.jar] (filtered)

Reading library jar [E:\work_tool\sdk\android-sdk-windows\platforms\android-28\android.jar]

Reading library jar [E:\work_tool\sdk\android-sdk-windows\build-tools\28.0.3\core-lambda-stubs.jar]

Reading library jar [E:\work_tool\sdk\android-sdk-windows\platforms\android-28\optional\org.apache.http.legacy.jar]

Reading library jar [E:\work_tool\sdk\android-sdk-windows\platforms\android-28\optional\android.test.mock.jar]

Reading library jar [E:\work_tool\sdk\android-sdk-windows\platforms\android-28\optional\android.test.base.jar]

Reading library jar [E:\work_tool\sdk\android-sdk-windows\platforms\android-28\optional\android.test.runner.jar]

Initializing...

Warning: io.flutter.embedding.android.FlutterView: can't find referenced method 'android.graphics.Insets getSystemGestureInsets()' in library class android.view.WindowInsets

Warning: io.flutter.embedding.android.FlutterView: can't find referenced class android.graphics.Insets

Warning: io.flutter.embedding.android.FlutterView: can't find referenced class android.graphics.Insets

Warning: io.flutter.embedding.android.FlutterView: can't find referenced class android.graphics.Insets

Warning: io.flutter.embedding.android.FlutterView: can't find referenced class android.graphics.Insets

Warning: io.flutter.embedding.android.FlutterView: can't find referenced class android.graphics.Insets

Warning: io.flutter.embedding.android.FlutterView: can't find referenced class android.graphics.Insets

Warning: io.flutter.view.FlutterView: can't find referenced method 'android.graphics.Insets getSystemGestureInsets()' in library class android.view.WindowInsets

Warning: io.flutter.view.FlutterView: can't find referenced class android.graphics.Insets

Warning: io.flutter.view.FlutterView: can't find referenced class android.graphics.Insets

Note: io.flutter.view.AccessibilityViewEmbedder$ReflectionAccessors: can't find dynamically referenced class android.util.LongArray

Warning: io.flutter.view.FlutterView: can't find referenced class android.graphics.Insets

Warning: io.flutter.view.FlutterView: can't find referenced class android.graphics.Insets

Warning: io.flutter.view.FlutterView: can't find referenced class android.graphics.Insets

Warning: io.flutter.view.FlutterView: can't find referenced class android.graphics.Insets

Note: there were 1 unresolved dynamic references to classes or interfaces.

? You should check if you need to specify additional program jars.

? ()

Warning: Exception while processing task java.io.IOException: Please correct the above warnings first.

Thread(Tasks limiter_1): destruction

Warning: there were 12 unresolved references to classes or interfaces.

? ? You may need to add missing library jars or update their versions.

? ? If your code works fine without the missing classes, you can suppress

? ? the warnings with '-dontwarn' options.

? ? ()

Warning: there were 2 unresolved references to library class members.

? ? You probably need to update the library versions.

? ? ()

FAILURE: Build failed with an exception.

* What went wrong:

Execution failed for task ':app:transformClassesAndResourcesWithProguardForRelease'.

Job failed, see logs for details

* Try:

Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at

BUILD FAILED in 4m 23s

Running Gradle task 'assembleRelease'...

Running Gradle task 'assembleRelease'... Done? ? ? ? ? ? ? ? ? ? 264.4s (!)

*******************************************************************************************

The Gradle failure may have been because of AndroidX incompatibilities in this Flutter app.

See for more information on the problem and how to fix it.

*******************************************************************************************

Gradle task assembleRelease failed with exit code 1

Flutter-02編譯器選擇

1.打開 VS Code。

2.打開 查看 命令面板…。

3.輸入 “install”，然后選擇 擴展: 安裝擴展(就是點擊選擇第一行內(nèi)容)。

4.在擴展搜索輸入框中輸入 “flutter”，然后在列表中選擇 Flutter 并單擊 安裝。此過程中會自動安裝必需的 Dart 插件。（選擇第一行并安裝）

5.退出然后重新啟動 VS Code。

1.打開 查看 命令面板…。

2.輸入 “doctor”，選擇 Flutter: Run Flutter Doctor。

3.打開 輸出 (OUTPUT) 面板查看是否有錯誤，確保在不同的輸出選項 (Output Options) 的下拉列表中選擇了 Flutter。

我們在上篇文章已經(jīng)用命令行創(chuàng)建了一個 my_app 的flutter項目了，這里我們就可以使用 vscode 打開看看了

創(chuàng)建新項目 ，則是在命令面板輸 flutter , 選擇 Flutter: New Application Project

運行項目 ，找到 VS Code 的狀態(tài)欄(窗口底部藍色的條)

1.打開 Android Studio。

2.打開插件設(shè)置（在 v3.6.3.0 以上的系統(tǒng)打開 Configure Plugins）。

這里需要先改一下網(wǎng)絡(luò)請求的設(shè)置

3.然后搜索Flutter 插件，選擇并點擊 安裝。

4.當彈出安裝 Dart 插件提示時，點擊 Yes。

5.退出重新啟動編譯器，然后在編譯器主頁面就可以看到多了了 create new flutter project 可供選擇，代表flutter插件安裝成功，我們試著點擊來創(chuàng)建一個新項目。

2022-04-22iOS項目混編flutter，iOS真機debug模式下打不開flutter頁面

最近項目中要集成flutter來進行混編，但是在集成后，突然遇到一個很神奇的問題，在debug模式下，用數(shù)據(jù)線連接真機打包可以打開flutter頁面，但是一旦拔掉數(shù)據(jù)線，再打開flutter頁面就不行了，開始以為是因為flutterSDK的原因，但是一查資料才發(fā)現(xiàn)，原來是因為debug模式下flutter實現(xiàn)了熱重載，默認的編譯方式是JIV,但是iOS14+之后的系統(tǒng)限制了JIV這種編譯方式，所以連接Xcode重新run一個release包就可以了，因為flutter在release模式下的編譯方式是AOT，iOS14+的系統(tǒng)是支持這種編譯方式的，具體解決方案如下圖

再運行就可以了。

當然還有另外一種解決方案，就是修改flutter的編譯配置，強制設(shè)為release

Flutter工程化之iOS混編集成

在flutter官網(wǎng)上推薦了iOS項目中兩種混編方式：

筆者在采用兩種集成方式的過程中，因為iOS項目結(jié)構(gòu)設(shè)計導(dǎo)致這兩種簡單的集成方式都有些麻煩，所以在實踐中更改和優(yōu)化了集成方式，使之在筆者的項目中能夠更加簡單和快速的集成。

問題：在不更改flutter tool中相關(guān)腳本的前提下，添加的Script Phase中的腳本相對路徑錯誤，如果只是開發(fā)，手動更改下路徑就可以了，但是在考慮到CI中不能每次在pod install之后都去更改，所以在開發(fā)調(diào)試中采用該集成方式，結(jié)合flutter attach的方式去調(diào)試。

通過編譯相關(guān)的 xcframework + Cocoapods私有庫的集成方式在CI中集成，這樣QA的CI不需要配置flutter的相關(guān)依賴

根據(jù)flutter編譯工具的提示： 上面的編譯命令是打包flutter工程項目和插件的產(chǎn)物，在實際開發(fā)過程中可以發(fā)現(xiàn)是否引入了依賴Native的插件會導(dǎo)致貶義編譯產(chǎn)物的不同。

根據(jù)上面的對比：

第一部分：基礎(chǔ)的 Flutter Engine + Flutter App 編譯后的產(chǎn)物 Flutter.xcframwork -- Flutter引擎的包 App.xcframework -- 工程項目對應(yīng)的AOT的編譯產(chǎn)物 第二部分：三方插件的注冊中心 FlutterPluginRegistrant.xcframework -- 第三方插件的注冊中心，其實是Native + iOS通信的集合 第三部分：依賴iOS Native的原生 FMDB . xcframwork path_provider_ios.xcframework sqflite.xcframework -- cached_network_image依賴的原生實現(xiàn)

根據(jù)上面的編譯產(chǎn)物可以知道Flutter和App是編譯后必有的包，后面的兩個部分完全是服務(wù)于三方插件的，到這可以解答第二個問題：筆者App的混編過程中混編插件失效是因為筆者在NativeApp中重寫了Flutter的容器，使用了FlutterEngineGroup動態(tài)創(chuàng)建多引擎去對應(yīng)進入不同的功能模塊，混合插件是因為重寫過程中沒有通過GeneratedPluginRegistrant注冊插件，所以需要在Native的Flutter容器中注冊插件，使之生效。

在這為什么使用commit的hash作為flutter-libs的依賴，因為pod install的時候會有緩存，除了版本好，commit hash也能保證每次CI編譯通過 pod install 來更新flutter-libs依賴產(chǎn)物

完成！！！

【Android開發(fā)學(xué)Flutter】Xcode編譯問題匯總

Xcode編譯經(jīng)常遇到各種問題，處理起來費時費力，挺打擊學(xué)習(xí)積極性的。記錄下這些問題，方便自己也幫助后來人。

編譯的時候遇到：

網(wǎng)上有很多解決方法，我是用這個方法解決的：

編譯的時候遇到：

解決辦法：

Project - User-Defined - FLUTTER_ROOT 改成本地 flutter SDK路徑

感謝 issues 上的小哥，給你個????

在項目目錄下執(zhí)行 flutter run 可以正常運行到手機，但是在Xcode build 還是有問題。

這時需要手動添加 FLUTTER_ROOT 到 User-Defined ：

添加之后：

就可以正常在Xcode build 安裝到手機了。

flutter build ios 后出現(xiàn)：

pod install 后出現(xiàn)：

解決辦法：

這是因為terminal沒有走代理的流量，

使用 git config --global http.proxy "localhost:port" ，設(shè)置代理。

port是端口號，根據(jù)不同的vpn不一樣，我的端口是10080。

執(zhí)行 git config --global http.proxy "localhost:10080"

Xcode build 的時候出現(xiàn)：

解決辦法：打開 ios/Podflie 文件：

關(guān)于 bitcode 的問題，我檢查了下用到的第三方SDK，應(yīng)該是百度地圖的問題，我引入了個第三方插件（吐槽下沒官方插件），百度地圖有支持和不支持 bitcode 的兩個SDK，我取消這個插件就沒有報這個錯了，奇怪的是，再次引入同一個插件，也可以正常打包，所以說這個問題還沒有完全解決。

大家可以試下這個處理方法：

TARGETS - Build Seettings 搜 arm ，試一下把其他刪除，只留下armv7跟armv7s或者只留下armv7

解決辦法：

我是clean Xcode之后就可以了

解決辦法：

用的是P12證書，改成手動簽名：

分享文章：flutter在線編譯,flutter中文教程
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