颤振项目未在 ios 上运行

Question

颤振项目未在 ios 上运行

有一个以前运行的应用程序不再运行，我已经尝试解决这个问题数周了。现在已经到了几乎可以运行的地步，但我在最后一个障碍中遇到了以下问题：

flutter run -v

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这似乎成功构建应用程序并启动它，屏幕短暂地变白，然后应用程序关闭。终端输出的最后一个条目是：

[ +293 ms] ------ Debug phase ------
[        ] Starting debug of 53225g34b4c604fe43a334525340e269626a (D111AP,
iPhone 7 Plus, iphoneos, arm64) a.k.a. 'iPhone' connected through USB...
[ +935 ms] [  0%] Looking up developer disk image
[  +27 ms] [ 95%] Developer disk image mounted successfully
[ +367 ms] [100%] Connecting to remote debug server
[        ] -------------------------
[+1080 ms] (lldb) command source -s 0
'/tmp/1D186BA70/fruitstrap-lldb-prep-cmds-4c604fe43a334525340e269626a'
[        ] Executing commands in
'/tmp/1D186BA70/fruitstrap-lldb-prep-cmds-4c604fe43a334525340e269626a'
[        ] (lldb)     platform select remote-ios --sysroot
'/Users/sjr/Library/Developer/Xcode/iOS DeviceSupport/13.3.1 (17D50)/Symbols'
[        ]   Platform: remote-ios
[        ]  Connected: no
[        ]   SDK Path: "/Users/sjr/Library/Developer/Xcode/iOS
DeviceSupport/13.3.1 (17D50)/Symbols"
[        ] (lldb)     target create
"/Users/sjr/Projects/my_app/build/ios/iphoneos/Runner.app"
[+10050 ms] Current executable set to
'/Users/sjr/Projects/my_app/build/ios/iphoneos/Runner.app' (arm64).
[        ] (lldb)     script
fruitstrap_device_app="/private/var/containers/Bundle/Application/62B3E66E1/Runner.app"
[ +443 ms] (lldb)     script fruitstrap_connect_url="connect://127.0.0.1:49422"
[        ] (lldb)     script fruitstrap_output_path=""
[        ] (lldb)     script fruitstrap_error_path=""
[        ] (lldb)     target modules search-paths add /usr
"/Users/sjr/Library/Developer/Xcode/iOS DeviceSupport/13.3.1
(17D50)/Symbols/usr" /System "/Users/sjr/Library/Developer/Xcode/iOS
DeviceSupport/13.3.1 (17D50)/Symbols/System"
"/private/var/containers/Bundle/Application/62B3E66E1
" "/Users/sjr/Projects/my_app/build/ios/iphoneos"
"/var/containers/Bundle/Application/62B3E66E1"
"/Users/sjr/Projects/my_app/build/ios/iphoneos" /Developer
"/Users/sjr/Library/Developer/Xcode/iOS DeviceSupport/13.3.1
(17D50)/Symbols/Developer"
[  +35 ms] (lldb)     command script import
"/tmp/1D186BA70/fruitstrap_4c604fe43a334525340e269626a.py"
[   +4 ms] (lldb)     command script add -f
fruitstrap_4c604fe43a334525340e269626a.connect_command connect
[        ] (lldb)     command script add -s asynchronous -f
fruitstrap_4c604fe43a334525340e269626a.run_command run
[        ] (lldb)     command script add -s asynchronous -f
fruitstrap_4c604fe43a334525340e269626a.autoexit_command autoexit
[        ] (lldb)     command script add -s asynchronous -f
fruitstrap_4c604fe43a334525340e269626a.safequit_command safequit
[        ] (lldb)     connect
[  +52 ms] (lldb)     run
[ +277 ms] success
[        ] (lldb)     safequit
[ +120 ms] Process 434 detached
[  +48 ms] Application launched on the device. Waiting for observatory port.
[   +4 ms] Checking for advertised Dart observatories...
[+5026 ms] mDNS lookup failed, attempting fallback to reading device log.
[        ] Waiting for observatory port.

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这个问题在 Xcode 中看起来有所不同（尽管很可能是完全相同的问题）。看起来可能是内存泄漏？我不知道如何阅读这些信息。我收到一个错误，看起来像这样：

io.flutter.204.ui (625): signal SIGABRT

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然后在我下面的日志中：

Runner(439,0x1009c5800) malloc: enabling scribbling to detect mods to free blocks

Runner(439,0x1009c5800) malloc: recording malloc and VM allocation stacks using lite mode

2020-03-31 07:54:22.330547+0800 Runner[439:345566] Failed to find snapshot: /private/var/containers/Bundle/Application/E00E6D3690/Runner.app/Frameworks/App.framework/flutter_assets/kernel_blob.bin

2020-03-31 07:54:22.475589+0800 Runner[439:345566] Metal API Validation Enabled

2020-03-31 07:54:22.864937+0800 Runner[439:345566] Failed to find snapshot: /private/var/containers/Bundle/Application/E00E6D3690/Runner.app/Frameworks/App.framework/flutter_assets/kernel_blob.bin

2020-03-31 07:54:22.932713+0800 Runner[439:345566] Failed to find snapshot: /private/var/containers/Bundle/Application/E00E6D3690/Runner.app/Frameworks/App.framework/flutter_assets/kernel_blob.bin

2020-03-31 07:54:22.976036+0800 Runner[439:345823] flutter: Observatory listening on http://127.0.0.1:51027/Wl9caPukKFs=/

2020-03-31 07:54:22.993612+0800 Runner[439:345566] Failed to find snapshot: /private/var/containers/Bundle/Application/E00E6D3690/Runner.app/Frameworks/App.framework/flutter_assets/kernel_blob.bin

2020-03-31 07:54:23.030173+0800 Runner[439:345566] Failed to find snapshot: /private/var/containers/Bundle/Application/E00E6D3690/Runner.app/Frameworks/App.framework/flutter_assets/kernel_blob.bin

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这个确切部分还有数百个：

2020-03-31 07:54:23.030173+0800 Runner[439:345566] Failed to find snapshot: /private/var/containers/Bundle/Application/E00E6D3690/Runner.app/Frameworks/App.framework/flutter_assets/kernel_blob.bin

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然后它继续：

../../third_party/dart/runtime/vm/clustered_snapshot.cc: 68: error: Out of memory.

2020-03-31 07:54:35.497087+0800 Runner[439:346457] version=2.5.0 (Fri Sep 6 20:10:36 2019 +0200) on "ios_arm64"

thread=1245963, isolate=main(0x2cb9de000)

2020-03-31 07:54:35.510204+0800 Runner[439:346457]   pc 0x00000001013019ac fp 0x00000002d76837e0 Dart_DumpNativeStackTrace

2020-03-31 07:54:35.510996+0800 Runner[439:346457]   pc 0x0000000100e94518 fp 0x00000002d7683800 dart::Assert::Fail(char const*, ...)

2020-03-31 07:54:35.511862+0800 Runner[439:346457]   pc 0x0000000100f2969c fp 0x00000002d7683860 dart::FunctionDeserializationCluster::ReadFill(dart::Deserializer*)

2020-03-31 07:54:35.512319+0800 Runner[439:346457]   pc 0x0000000100f2e4ec fp 0x00000002d76839b0 dart::FullSnapshotReader::ReadIsolateSnapshot()

2020-03-31 07:54:35.512738+0800 Runner[439:346457]   pc 0x0000000100f34d88 fp 0x00000002d7683f70 dart::Dart::InitializeIsolate(unsigned char const*, unsigned char const*, unsigned char const*, unsigned char const*, unsigned char const*, long, void*)

2020-03-31 07:54:35.513417+0800 Runner[439:346457]   pc 0x00000001012e8220 fp 0x00000002d7684010 dart::CreateIsolate(dart::IsolateGroup*, char const*, void*, char**)

2020-03-31 07:54:35.514492+0800 Runner[439:346457]   pc 0x0000000100b0ccd4 fp 0x00000002d7684270 flutter::DartIsolate::CreateDartVMAndEmbedderObjectPair(char const*, char const*, char const*, char const*, Dart_IsolateFlags*, std::__1::shared_ptr<flutter::DartIsolate>*, bool, char**)

2020-03-31 07:54:35.515065+0800 Runner[439:346457]   pc 0x0000000100b0c4fc fp 0x00000002d7684450 flutter::DartIsolate::CreateRootIsolate(flutter::Settings const&, fml::RefPtr<flutter::DartSnapshot const>, fml::RefPtr<flutter::DartSnapshot const>, flutter::TaskRunners, std::__1::unique_ptr<flutter::Window, std::__1::default_delete<flutter::Window> >, fml::WeakPtr<flutter::IOManager>, fml::WeakPtr<flutter::ImageDecoder>, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, Dart_IsolateFlags*, std::__1::function<void ()>, std::__1::function<void ()>)

2020-03-31 07:54:35.515707+0800 Runner[439:346457]   pc 0x0000000100b15000 fp 0x00000002d7684720 flutter::RuntimeController::RuntimeController(flutter::RuntimeDelegate&, flutter::DartVM*, fml::RefPtr<flutter::DartSnapshot const>, fml::RefPtr<flutter::DartSnapshot const>, flutter::TaskRunners, fml::WeakPtr<flutter::IOManager>, fml::WeakPtr<flutter::ImageDecoder>, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::function<void (long long)>, flutter::RuntimeController::WindowData, std::__1::function<void ()>, std::__1::function<void ()>)

2020-03-31 07:54:35.516437+0800 Runner[439:346457]   pc 0x0000000100b1b858 fp 0x00000002d7684b50 flutter::Engine::Engine(flutter::Engine::Delegate&, flutter::DartVM&, fml::RefPtr<flutter::DartSnapshot const>, fml::RefPtr<flutter::DartSnapshot const>, flutter::TaskRunners, flutter::Settings, std::__1::unique_ptr<flutter::Animator, std::__1::default_delete<flutter::Animator> >, fml::WeakPtr<flutter::IOManager>)

2020-03-31 07:54:35.517172+0800 Runner[439:346457]   pc 0x0000000100b2c1d0 fp 0x00000002d7684fe0 std::__1::__function::__func<fml::internal::CopyableLambda<flutter::Shell::CreateShellOnPlatformThread(flutter::DartVMRef, flutter::TaskRunners, flutter::Settings, fml::RefPtr<flutter::DartSnapshot const>, fml::RefPtr<flutter::DartSnapshot const>, std::__1::function<std::__1::unique_ptr<flutter::PlatformView, std::__1::default_delete<flutter::PlatformView> > (flutter::Shell&)>, std::__1::function<std::__1::unique_ptr<flutter::Rasterizer, std::__1::default_delete<flutter::Rasterizer> > (flutter::Shell&)>)::$_0>, std::__1::allocator<fml::internal::CopyableLambda<flutter::Shell::CreateShellOnPlatformThread(flutter::DartVMRef, flutter::TaskRunners, flutter::Settings, fml::RefPtr<flutter::DartSnapshot const>, fml::RefPtr<flutter::DartSnapshot const>, std::__1::function<std::__1::unique_ptr<flutter::PlatformView, std::__1::default_delete<flutter::PlatformView> > (flutter::Shell&)>, std::__1::function<std::__1::unique_ptr<flutter::Rasterizer, std::__1::default_delete<flutter::Rasterizer> > (flutter::Shell&)>)::$_0> >, void ()>::operator()()

2020-03-31 07:54:35.518362+0800 Runner[439:346457]   pc 0x0000000100add9e8 fp 0x00000002d7685030 fml::MessageLoopImpl::FlushTasks(fml::FlushType)

2020-03-31 07:54:35.518837+0800 Runner[439:346457]   pc 0x0000000100ae209c fp 0x00000002d7685050 fml::MessageLoopDarwin::OnTimerFire(__CFRunLoopTimer*, fml::MessageLoopDarwin*)

2020-03-31 07:54:35.519148+0800 Runner[439:346457]   pc 0x000000019eb6503c fp 0x00000002d7685060 <redacted>

2020-03-31 07:54:35.519351+0800 Runner[439:346457]   pc 0x000000019eb64d78 fp 0x00000002d7686110 <redacted>

2020-03-31 07:54:35.519583+0800 Runner[439:346457]   pc 0x000000019eb64448 fp 0x00000002d76861a0 <redacted>

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所以在我未经训练的眼睛看来，它正在尝试这样做：

2020-03-31 07:54:23.030173+0800 Runner[439:345566] Failed to find snapshot: /private/var/containers/Bundle/Application/E00E6D3690/Runner.app/Frameworks/App.framework/flutter_assets/kernel_blob.bin

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数千次直到它耗尽内存，但我不太确定这是什么，或者如何开始尝试解决它。

编辑：颤振医生输出。

flutter doctor -v

[?] Flutter (Channel stable, v1.9.1+hotfix.6, on Mac OS X 10.15.4 19E264b,

    locale en-AU)

    • Flutter version 1.9.1+hotfix.6 at /Users/sjr/flutter

    • Framework revision 68587a0916 (7 months ago), 2019-09-13 19:46:58 -0700

    • Engine revision b863200c37

    • Dart version 2.5.0



[?] Android toolchain - develop for Android devices

    ? Unable to locate Android SDK.

      Install Android Studio from:

      https://developer.android.com/studio/index.html

      On first launch it will assist you in installing the Android SDK

      components.

      (or visit https://flutter.dev/setup/#android-setup for detailed

      instructions).

      If the Android SDK has been installed to a custom location, set

      ANDROID_HOME to that location.

      You may also want to add it to your PATH environment variable.







[?] Xcode - develop for iOS and macOS (Xcode 11.4)

    • Xcode at /Applications/Xcode.app/Contents/Developer

    • Xcode 11.4, Build version 11E146

    • CocoaPods version 1.7.5



[!] Android Studio (not installed)

    • Android Studio not found; download from

      https://developer.android.com/studio/index.html

      (or visit https://flutter.dev/setup/#android-setup for detailed

      instructions).



[!] Connected device

    ! No devices available



! Doctor found issues in 3 categories.

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编辑：

由@Hannes Sverrisson 的建议产生的错误代码：

Running pod install...                                              4.7s
Running Xcode build...                                                                                                 

Xcode build done.                                           16.8s
Failed to build iOS app

Error output from Xcode build:
    ** BUILD FAILED **

Xcode's output:

 === BUILD TARGET PromisesObjC OF PROJECT Pods WITH CONFIGURATION Release ===

    In file included from

    /Users/sjr/Projects/my_app/ios/Pods/GoogleDataTransport/GoogleDataTran

    sport/GDTCORLibrary/GDTCORLifecycle.m:22:

    In file included from

    /Users/sjr/Projects/my_app/ios/Pods/GoogleDataTransport/GoogleDataTran

    sport/GDTCORLibrary/Private/GDTCORRegistrar_Private.h:17:

    In file included from

    /Users/sjr/Projects/my_app/build/ios/Release-iphoneos/GoogleDataTransp

    ort/GoogleDataTransport.framework/Headers/GDTCORRegistrar.h:19:

    In file included from

    /Users/sjr/Projects/my_app/build/ios/Release-iphoneos/GoogleDataTransp

    ort/GoogleDataTransport.framework/Headers/GDTCORPrioritizer.h:19:

    /Users/sjr/Projects/my_app/build/ios/Release-iphoneos/GoogleDataTransp

    ort/GoogleDataTransport.framework/Headers/GDTCORLifecycle.h:26:11: error:

    duplicate protocol definition of 'GDTCORLifecycleProtocol' is ignored

    [-Werror,-Wduplicate-protocol]

    @protocol GDTCORLifecycleProtocol <NSObject>

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然后还有数千个这些“文件中”错误，直到失败。

编辑：在 git push、recreate 和 pull 之后：构建过程中 Xcode 中显示的错误。

Answer 1

Han*_*son 9

1) 更新 mac 和 Xcode。

2）打开Xcode并安装模拟器。

3) 在 Flutter app 目录下，在 Xcode 中打开 ios/Runner.xcworkspace 并在 Signing & Capabilities 下选择一个开发团队。

4）按照这些说明https://flutter.dev/docs/development/ios-project-migration

5）然后运行：

flutter clean
flutter build ios
flutter run

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全部来自您的项目文件夹。

6a) 如果上述方法不起作用，并且您正在使用 git 或其他外部源代码控制，那么我已提交所有内容并将其推送。然后，我删除了该文件夹，git 再次获取它，一切正常。

6b) 另一种解决方案是删除所有 pod：

Remove the Pods folder and Podfile.lock files.

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然后重建豆荚：

cd ios
pod deintegrate
cd ..
flutter clean
flutter build ios

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Answer 2

ald*_*aie 5

我有类似的问题。我下载了一个 Flutter 示例，它在短暂的白屏后一直崩溃，没有任何可理解的错误。我最终发现一些代码或包依赖于比稳定版本更新的 Flutter 版本。

在终端中输入：

flutter channel

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查看您当前的频道是什么，然后您可以尝试主频道或测试版频道：

flutter channel master
flutter upgrade

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看看这是否有帮助！

另请检查此建议的解决方案：https ://github.com/flutter/flutter/issues/29286

你需要跑
flutter build ios --debug (or --profile or --release) 
flutter run --release
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在 Xcode 中启动项目之前。

Answer 3

Jwi*_*ith 1

目前似乎没有足够的信息让我们解决您的问题，但从 flutter doctor 来看，这可能是您使用的 flutter SDK 版本有问题，因为它已经有 7 个月了，而且您正在使用新版本的 xcode构建项目。看来存在与您所遇到的与该版本的 SDK 相关的问题类似的问题。参考

首先，尝试更新你的 flutter sdkflutter upgrade

请在更新后更新 flutter doctor 和最新调试运行的输出，以便我们可以尝试为您提供进一步帮助。

另外，您可以尝试在模拟的iOS设备以及外部设备上运行它，看看是否可能是xcode项目配置构建方式的问题？

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