缓慢的应用程序构建 - Xamarin for Visual Studio
avb*_*avb 21 visual-studio xamarin.android xamarin visual-studio-2015
这些天我的Xamarin.Android应用程序的构建/部署非常缓慢.我不记得以前这么慢.
我启用了:
- 使用共享运行时
- 快速部署
启用或禁用这些设置没有任何区别.在这两种情况下,构建/部署我的应用程序大约需要2分20秒(最多3分钟!).使用真实设备或Android版Visual Studio模拟器也没有任何区别.
为什么这会非常慢？我没有使用正确的设置吗？
更新2
昨天(11月14日)我将Xamarin.VS更新为4.2.1.58.构建持续时间没有改善.
我们正在使用TeamCity构建我们的应用程序的发布版本,TeamCity统计数据完全显示了我正在谈论的内容.
在下图中,我选择了上一季度作为日期范围.查看构建持续时间的主要增加.现在,我不介意等待3分钟发布版本,但是在调试时它是不可接受的.
更新3
乔恩,谢谢你的帮助.
与此同时,我在构建日志中自己做了一些研究,并找到了每个构建任务的持续时间.我发现不知何故GetAdditionalResourcesFromAssemblies需要花费很多时间.
我在应用程序中拥有的资源量没有显着变化,所以这让我想到:它可能是我正在使用的另一个程序集.
然后,我检查了修订版1029(这是最后一次修改需要花费一分钟时间),并尝试在更新的环境中对其进行调试.它仍然在1分30秒内建成......
所以:
- 它可能不是VS Xamarin更新(否则修订版1029也会变慢)
- It's probably not fast deployment, the duration increased in the build process
So what was changed between revision 1029 and 1030 of my app?
- Updated Xamarin for Visual Studio to 4.2.0.719
- Installed Android 7.0 SDK platform in Android SDK Manager
- Changed
Compile using Android versionto Android 7.0 in project properties - Updated Xamarin.Android Support Libraries from 23.4.0.1 to 24.2.1
Change 4 was why I updated in the first place, I wanted to use Bottomsheet, which was improved in version 24. But the support library nugets were targeting Android 7.0, so I had to do 1-3 in order to be able to update the support libraries.
Could something have changed in the Support Library bindings that caused all this? I checked the internet for other devs having this issue, and found this in the Xamarin forum. Setting AndroidExplicitCrunch build property to true seems to fix it there, but when I tried that, I got another build error.
Anyway, that's what I've tried in the meantime. Now, as requested, here is my diagnostic build log:
1>Project Performance Summary:
1> 3 ms C:\Development\Apps\FieldService-trunk\OverAllField.XamarinAndroid\OverAll.App.Shared\OverAll.App.Shared.csproj 3 calls
1> 1 ms GetTargetPath 1 calls
1> 0 ms GetNativeManifest 1 calls
1> 2 ms GetCopyToOutputDirectoryItems 1 calls
1> 4 ms C:\Development\Apps\FieldService-trunk\OverAllField.XamarinAndroid\OverAllField.XamarinAndroid.DataLayer\OverAllField.XamarinAndroid.DataLayer.csproj 3 calls
1> 1 ms GetTargetPath 1 calls
1> 0 ms GetNativeManifest 1 calls
1> 3 ms GetCopyToOutputDirectoryItems 1 calls
1> 40103 ms C:\Development\Apps\FieldService-trunk\OverAllField.XamarinAndroid\OverAllField.XamarinAndroid.ServiceClient\OverAllField.XamarinAndroid.ServiceClient.csproj 1 calls
1>
1>Target Performance Summary:
1> 0 ms Compile 1 calls
1> 0 ms ResolveReferences 1 calls
1> 0 ms BclBuildGetTargetPath 1 calls
1> 0 ms EnsureNuGetPackageBuildImports 1 calls
1> 0 ms AfterResGen 1 calls
1> 0 ms ResolveCodeAnalysisRuleSet 1 calls
1> 0 ms _CreatePropertiesCache 1 calls
1> 0 ms _SetTargetFrameworkMonikerAttribute 1 calls
1> 0 ms BeforeResGen 1 calls
1> 0 ms ModifyUnitTestPlatformVersion 1 calls
1> 0 ms CreateCustomManifestResourceNames 1 calls
1> 0 ms BclBuildAddProjectReferenceProperties 1 calls
1> 0 ms _ResolveMonoAndroidFramework 1 calls
1> 0 ms UpdateAndroidResources 1 calls
1> 0 ms CoreBuild 1 calls
1> 0 ms ExpressionBuildExtension 1 calls
1> 0 ms _CheckTargetFramework 1 calls
1> 0 ms _CopyAppConfigFile 1 calls
1> 0 ms Build 1 calls
1> 0 ms DeleteBuildInfoFile 1 calls
1> 0 ms CleanXsdCodeGen 1 calls
1> 0 ms _SetupInstantRun 1 calls
1> 0 ms GetFrameworkPaths 1 calls
1> 0 ms DeleteBuildInfoResource 1 calls
1> 0 ms _AddAndroidDefines 1 calls
1> 0 ms BuildOnlySettings 1 calls
1> 0 ms ComputeIntermediateSatelliteAssemblies 1 calls
1> 0 ms ValidationExtension 1 calls
1> 0 ms AfterCompile 1 calls
1> 0 ms _CheckInstantRunCondition 1 calls
1> 0 ms _GenerateSatelliteAssemblyInputs 1 calls
1> 0 ms _SetupApplicationJavaClass 1 calls
1> 0 ms _SetupDesignTimeBuildForIntellisense 1 calls
1> 0 ms SetWin32ManifestProperties 1 calls
1> 0 ms CreateSatelliteAssemblies 1 calls
1> 0 ms _CopySourceItemsToOutputDirectory 1 calls
1> 0 ms GetInstalledSDKLocations 1 calls
1> 0 ms _AddAndroidEnvironmentToCompile 1 calls
1> 0 ms _CheckForContent 1 calls
1> 0 ms _SeparateAppExtensionReferences 1 calls
1> 0 ms AfterResolveReferences 1 calls
1> 0 ms BeforeResolveReferences 1 calls
1> 0 ms PrepareResources 1 calls
1> 0 ms ResolveSDKReferences 1 calls
1> 0 ms _CheckForDeletedResourceFile 1 calls
1> 0 ms BeforeCompile 1 calls
1> 0 ms UpdateAndroidAssets 1 calls
1> 0 ms DesignTimeXamlMarkupCompilation 1 calls
1> 0 ms _AddMultiDexDependencyJars 1 calls
1> 0 ms PrepareForRun 1 calls
1> 0 ms ResGen 1 calls
1> 0 ms _GenerateAndroidAssetsDir 1 calls
1> 0 ms AfterBuild 1 calls
1> 0 ms BclBuildSetRunningFullBuild 1 calls
1> 0 ms GetNativeManifest 2 calls
1> 0 ms ExpandSDKReferences 1 calls
1> 0 ms GenerateTargetFrameworkMonikerAttribute 1 calls
1> 0 ms _GenerateAndroidResourceDir 1 calls
1> 0 ms CreateManifestResourceNames 1 calls
1> 0 ms BeforeBuild 1 calls
1> 0 ms _GenerateCompileInputs 1 calls
1> 0 ms _SetupDesignTimeBuildForBuild 1 calls
1> 0 ms PrepareResourceNames 1 calls
1> 0 ms _AddNativeLibraryArchiveToCompile 1 calls
1> 1 ms GetCopyToOutputDirectoryXamlAppDefs 3 calls
1> 1 ms _GenerateJavaDesignerForComponent 1 calls
1> 1 ms _CollectMonoAndroidOutputs 1 calls
1> 1 ms _SetEmbeddedWin32ManifestProperties 1 calls
1> 1 ms CoreResGen 1 calls
1> 1 ms _ValidateLinkMode 1 calls
1> 1 ms _GetLibraryImports 1 calls
1> 1 ms _CheckForCompileOutputs 1 calls
1> 1 ms _ReadPropertiesCache 1 calls
1> 1 ms GetTargetPath 2 calls
1> 1 ms _ComputeAndroidResourcePaths 1 calls
1> 1 ms SetBuildInfoDefaults 1 calls
1> 1 ms SplitResourcesByCulture 1 calls
1> 1 ms _SplitProjectReferencesByFileExistence 3 calls
1> 1 ms GenerateCompiledExpressionsTempFile 1 calls
1> 1 ms BclBuildDetermineReferencesToRedirect 1 calls
1> 1 ms _GetReferenceAssemblyPaths 1 calls
1> 1 ms PreXsdCodeGen 1 calls
1> 2 ms _RegisterMdbFilesWithFileWrites 1 calls
1> 2 ms PrepareForBuild 1 calls
1> 2 ms _BuildSdkCache 1 calls
1> 2 ms _CalculateAdditionalResourceCacheDirectories 1 calls
1> 2 ms AssignProjectConfiguration 1 calls
1> 2 ms _CreateAdditionalResourceCache 1 calls
1> 2 ms GetReferenceAssemblyPaths 1 calls
1> 3 ms _GetAdditionalResourcesFromAssemblies 1 calls
1> 3 ms _CheckDuplicateJavaLibraries 1 calls
1> 3 ms _CollectAdditionalResourceFiles 1 calls
1> 3 ms _ExtractLibraryProjectImports 1 calls
1> 3 ms _ComputeAndroidAssetsPaths 1 calls
1> 3 ms AssignTargetPaths 3 calls
1> 3 ms CopyFilesToOutputDirectory 1 calls
1> 4 ms _ValidateResourceCache 1 calls
1> 4 ms _ValidateAndroidPackageProperties 1 calls
1> 5 ms IncrementalClean 1 calls
1> 7 ms _ResolveMonoAndroidSdks 1 calls
1> 9 ms _CheckForInvalidConfigurationAndPlatform 3 calls
1> 10 ms GetCopyToOutputDirectoryItems 3 calls
1> 11 ms _CopyFilesMarkedCopyLocal 1 calls
1> 11 ms _CleanGetCurrentAndPriorFileWrites 1 calls
1> 12 ms _AddLibraryProjectsEmbeddedResourceToProject 1 calls
1> 18 ms ImplicitlyExpandDesignTimeFacades 1 calls
1> 29 ms _BuildLibraryImportsCache 1 calls
1> 41 ms ResolveProjectReferences 1 calls
1> 70 ms _SetLatestTargetFrameworkVersion 1 calls
1> 114 ms _ResolveLibraryProjectImports 1 calls
1> 138 ms ResolveAssemblyReferences 1 calls
1> 207 ms _UpdateAndroidResgen 1 calls
1> 356 ms _GetPrimaryCpuAbi 1 calls
1> 803 ms CoreCompile 1 calls
1> 38202 ms _BuildAdditionalResourcesCache 1 calls
1>
1>Task Performance Summary:
1> 0 ms CreateCSharpManifestResourceName 1 calls
1> 0 ms Delete 2 calls
1> 0 ms FindAppConfigFile 1 calls
1> 0 ms ResolveCodeAnalysisRuleSet 1 calls
1> 0 ms CallTarget 1 calls
1> 0 ms ResolveNonMSBuildProjectOutput 1 calls
1> 0 ms AssignCulture 1 calls
1> 1 ms GetFrameworkPath 1 calls
1> 1 ms GetAndroidPackageName 1 calls
1> 1 ms AssignProjectConfiguration 1 calls
1> 1 ms ReadImportedLibrariesCache 1 calls
1> 1 ms ReadLinesFromFile 2 calls
1> 1 ms GetAppSettingsDirectory 1 calls
1> 1 ms AssignTargetPath 18 calls
1> 1 ms CreateTemporaryDirectory 1 calls
1> 1 ms GetReferenceAssemblyPaths 2 calls
1> 2 ms Message 20 calls
1> 2 ms CalculateAdditionalResourceCacheDirectories 1 calls
1> 2 ms GetJavaPlatformJar 1 calls
1> 2 ms MakeDir 2 calls
1> 2 ms WriteLinesToFile 1 calls
1> 2 ms ConvertToAbsolutePath 1 calls
1> 3 ms RemoveDuplicates 2 calls
1> 3 ms CopyIfChanged 1 calls
1> 3 ms CheckDuplicateJavaLibraries 1 calls
1> 3 ms AndroidComputeResPaths 2 calls
1> 3 ms ReadLibraryProjectImportsCache 1 calls
1> 3 ms CreateProperty 41 calls
1> 4 ms CopyGeneratedJavaResourceClasses 1 calls
1> 4 ms GetExtraPackages 1 calls
1> 4 ms GetAndroidDefineConstants 1 calls
1> 4 ms CreateAndroidResourceStamp 1 calls
1> 5 ms FindUnderPath 5 calls
1> 5 ms ReadAdditionalResourcesFromAssemblyCache 2 calls
1> 5 ms CreateResgenManifest 1 calls
1> 6 ms CreateItem 23 calls
1> 6 ms RemoveDirFixed 1 calls
1> 12 ms CreateManagedLibraryResourceArchive 1 calls
1> 14 ms Copy 3 calls
1> 16 ms ConvertResourcesCases 1 calls
1> 21 ms GenerateResourceDesigner 1 calls
1> 28 ms GetImportedLibraries 1 calls
1> 49 ms MSBuild 3 calls
1> 49 ms ReadResolvedSdksCache 1 calls
1> 114 ms ResolveLibraryProjectImports 1 calls
1> 137 ms ResolveAssemblyReference 1 calls
1> 142 ms Aapt 1 calls
1> 347 ms GetPrimaryCpuAbi 1 calls
1> 792 ms Csc 1 calls
1> 38201 ms GetAdditionalResourcesFromAssemblies 1 calls
1>
1>Build succeeded.
1>
1>Time Elapsed 00:00:40.09
There is a second summary (the log has 2 of these summaries somehow), but I can't include it in the question, because it would exceed the body character limit. Smaller version of the second summary:
2>Project Performance Summary:
2> 6 ms C:\Development\Apps\FieldService-trunk\OverAllField.XamarinAndroid\OverAll.App.Shared\OverAll.App.Shared.csproj 5 calls
2> 0 ms GetTargetPath 1 calls
2> 0 ms GetNativeManifest 1 calls
2> 1 ms GetCopyToOutputDirectoryItems 1 calls
2> 5 ms GetBuiltProjectOutputRecursive 2 calls
2> 9 ms C:\Development\Apps\FieldService-trunk\OverAllField.XamarinAndroid\OverAllField.XamarinAndroid.BarcodeScanner\OverAllField.XamarinAndroid.BarcodeScanner.csproj 4 calls
2> 0 ms GetTargetPath 1 calls
2> 2 ms GetNativeManifest 1 calls
2> 3 ms GetCopyToOutputDirectoryItems 1 calls
2> 4 ms GetBuiltProjectOutputRecursive 1 calls
2> 17 ms C:\Development\Apps\FieldService-trunk\OverAllField.XamarinAndroid\OverAllField.XamarinAndroid.DataLayer\OverAllField.XamarinAndroid.DataLayer.csproj 5 calls
2> 9 ms GetTargetPath 1 calls
2> 1 ms GetNativeManifest 1 calls
2> 2 ms GetCopyToOutputDirectoryItems 1 calls
2> 5 ms GetBuiltProjectOutputRecursive 2 calls
2> 46 ms C:\Development\Apps\FieldService-trunk\OverAllField.XamarinAndroid\OverAllField.XamarinAndroid.ServiceClient\OverAllField.XamarinAndroid.ServiceClient.csproj 4 calls
2> 21 ms GetTargetPath 1 calls
2> 0 ms GetNativeManifest 1 calls
2> 2 ms GetCopyToOutputDirectoryItems 1 calls
2> 23 ms GetBuiltProjectOutputRecursive 1 calls
2> 87736 ms C:\Development\Apps\FieldService-trunk\OverAllField.XamarinAndroid\OverAllField.Android\OverAllField.XamarinAndroid.csproj 1 calls
Second Target Performance Summary: (removed anything <1000 ms to reduce chars)
2> 1955 ms _GenerateJavaStubs 1 calls
2> 3083 ms _CreateBaseApk 1 calls
2> 3467 ms _UpdateAndroidResgen 1 calls
2> 8944 ms _CompileToDalvikWithDx 1 calls
2> 66321 ms _BuildAdditionalResourcesCache 1 calls
Second Task Performance Summary: (again, removed anything <1000 ms to reduce chars)
2> 1245 ms GenerateJavaStubs 1 calls
2> 2334 ms ConvertResourcesCases 3 calls
2> 4637 ms Aapt 2 calls
2> 8941 ms CompileToDalvik 1 calls
2> 66320 ms GetAdditionalResourcesFromAssemblies 1 calls
2>
2>Build succeeded.
2>
2>Time Elapsed 00:01:27.73
完整诊断构建日志在这里
更新4
这里有Android支持版本23的完整诊断构建日志
构建时间之间存在显着差异.支持版本24:
1>Project Performance Summary:
1> 40103 ms C:\Development\Apps\trunk\App.Droid\App.Droid.ServiceClient\App.Droid.ServiceClient.csproj 1 calls
...
2>Project Performance Summary:
2> 87736 ms C:\Development\Apps\trunk\App.Droid\App.Droid\App.Droid.csproj 1 calls
支持版本23:
1>Project Performance Summary:
1> 962 ms C:\Development\Apps\trunk-r1029\App.Droid\App.Droid.ServiceClient\App.Droid.ServiceClient.csproj 1 calls
2>Project Performance Summary:
2> 18214 ms C:\Development\Apps\trunk-r1029\App.Droid\App.Droid\App.Droid.csproj 1 calls
两者都是使用目标Android 7.0和相同的Xamarin版本构建的,唯一的区别是Android支持库版本.这不是一个巨大的增长？
提前致谢!
Although this is a very "tough" question to answer as build times can be dependent on many different factors, I can walk you through ways to determine what in your build is causing the delay. In most cases it's typically because of non-optimized Resources. This can be resources like raw images/audio/video that really should be optimized for mobile.
As for the experimental functionality you mentioned, you can view the release notes here:
Note: This is experimental, thus it does not guarantee it will be stable enough to use in production.
As for Build Times, we need to know where the bottleneck is within your project. To do this, you need to enable Diagnostic Build Output in your build-agent's command. This is pretty simple with MSBuild via:
/v:diag or /verbosity:diagnostic (Or whatever combination you wanted)
and
/clp:PerformanceSummary - Which will tell use the performance timings of each task
https://msdn.microsoft.com/en-us/library/ms164311.aspx
EX: Building a File->New Android Project:
1>Project Performance Summary:
1> 4087 ms c:\users\dougl\documents\visual studio 2015\Projects\App26\App26\App26.csproj 1 calls
1> 4087 ms Rebuild 1 calls
1>
1>Target Performance Summary:
1> 0 ms GetCopyToOutputDirectoryXamlAppDefs 1 calls
1> 0 ms BeforeRebuild 1 calls
1> 0 ms PrepareResources 1 calls
1> 0 ms _DefineBuildTargetAbis 1 calls
1> 0 ms UpdateAndroidAssets 1 calls
1> 0 ms AfterBuild 1 calls
1> 0 ms AfterCompile 1 calls
1> 0 ms BeforeCompile 1 calls
1> 0 ms ExpressionBuildExtension 1 calls
1> 0 ms _GenerateCompileInputs 1 calls
1> 0 ms ResolveCodeAnalysisRuleSet 1 calls
1> 0 ms _LinkAssemblies 1 calls
1> 0 ms GetTargetPath 1 calls
1> 0 ms Build 1 calls
1> 0 ms GenerateCompiledExpressionsTempFile 1 calls
1> 0 ms _CopyConfigFiles 1 calls
1> 0 ms Compile 1 calls
1> 0 ms Rebuild 1 calls
1> 0 ms ModifyUnitTestPlatformVersion 1 calls
1> 0 ms _RegisterMdbFilesWithFileWrites 1 calls
1> 0 ms _CheckForCompileOutputs 1 calls
1> 0 ms _SetupDesignTimeBuildForIntellisense 1 calls
1> 0 ms _SetTargetFrameworkMonikerAttribute 1 calls
1> 0 ms _GenerateAndroidAssetsDir 1 calls
1> 0 ms _AddMultiDexDependencyJars 1 calls
1> 0 ms AfterResolveReferences 1 calls
1> 0 ms UpdateAndroidResources 1 calls
1> 0 ms _CheckInstantRunCondition 1 calls
1> 0 ms CleanPublishFolder 1 calls
1> 0 ms _CheckTargetFramework 1 calls
1> 0 ms _CollectMonoAndroidOutputs 1 calls
1> 0 ms _CopySourceItemsToOutputDirectory 1 calls
1> 0 ms CompileRdlFiles 1 calls
1> 0 ms _CreateAdditionalResourceCache 4 calls
1> 0 ms DesignTimeXamlMarkupCompilation 1 calls
1> 0 ms AfterRebuild 1 calls
1> 0 ms _SeparateAppExtensionReferences 1 calls
1> 0 ms ExpandSDKReferences 1 calls
1> 0 ms _ReadPropertiesCache 1 calls
1> 0 ms AfterResGen 1 calls
1> 0 ms CleanReferencedProjects 1 calls
1> 0 ms _CollectPCLPdbFiles 1 calls
1> 0 ms Clean 1 calls
1> 0 ms SetWin32ManifestProperties 1 calls
1> 0 ms ResolveSDKReferences 1 calls
1> 0 ms CreateSatelliteAssemblies 1 calls
1> 0 ms DeleteBuildInfoResource 1 calls
1> 0 ms _ResolveMonoAndroidFramework 1 calls
1> 0 ms PrepareResourceNames 1 calls
1> 0 ms _SetupInstantRun 1 calls
1> 0 ms _SetupDesignTimeBuildForBuild 1 calls
1> 0 ms CoreBuild 1 calls
1> 0 ms _CheckForDeletedResourceFile 1 calls
1> 0 ms GetFrameworkPaths 1 calls
1> 0 ms _ValidateLinkMode 1 calls
1> 0 ms DeleteBuildInfoFile 1 calls
1> 0 ms _CollectPCLMdbFiles 1 calls
1> 0 ms _CompileDex 1 calls
1> 0 ms GetInstalledSDKLocations 1 calls
1> 0 ms BeforeClean 1 calls
1> 0 ms BuildOnlySettings 1 calls
1> 0 ms _ValidateResourceCache 1 calls
1> 0 ms BeforeResolveReferences 1 calls
1> 0 ms _CheckForContent 1 calls
1> 0 ms BeforeResGen 1 calls
1> 0 ms PrepareRdlFiles 1 calls
1> 0 ms AfterClean 1 calls
1> 0 ms _SetupApplicationJavaClass 1 calls
1> 0 ms ValidationExtension 1 calls
1> 0 ms _IncludeInstanceRunReference 1 calls
1> 0 ms ResolveReferences 1 calls
1> 0 ms CreateCustomManifestResourceNames 1 calls
1> 0 ms ResGen 1 calls
1> 0 ms BeforeBuild 1 calls
1> 1 ms _SplitProjectReferencesByFileExistence 1 calls
1> 1 ms _GenerateSatelliteAssemblyInputs 1 calls
1> 1 ms PrepareForRun 1 calls
1> 1 ms CleanXsdCodeGen 1 calls
1> 1 ms GenerateTargetFrameworkMonikerAttribute 1 calls
1> 1 ms ResolveProjectReferences 1 calls
1> 1 ms AssignTargetPaths 1 calls
1> 1 ms _CreateIntermediateAssembliesDir 1 calls
1> 1 ms GetCopyToOutputDirectoryItems 1 calls
1> 1 ms PreXsdCodeGen 1 calls
1> 1 ms _GetReferenceAssemblyPaths 1 calls
1> 1 ms CoreResGen 1 calls
1> 1 ms _CleanGeneratedDeploymentFiles 1 calls
1> 1 ms SetBuildInfoDefaults 1 calls
1> 1 ms AssignProjectConfiguration 1 calls
1> 1 ms _CreatePackageWorkspace 1 calls
1> 1 ms _GetMonoPlatformJarPath 1 calls
1> 1 ms PrepareForBuild 1 calls
1> 1 ms _CalculateAdditionalResourceCacheDirectories 1 calls
1> 1 ms _ComputeAndroidResourcePaths 1 calls
1> 1 ms _SetEmbeddedWin32ManifestProperties 1 calls
1> 1 ms _GetAddOnPlatformLibraries 1 calls
1> 1 ms _GetLibraryImports 1 calls
1> 1 ms SplitResourcesByCulture 1 calls
1> 1 ms GetReferenceAssemblyPaths 1 calls
1> 1 ms _CheckProjectItems 1 calls
1> 1 ms _AdjustJavacVersionArguments 1 calls
1> 1 ms _CleanGeneratedDebuggingFiles 1 calls
1> 2 ms _PrepareAssemblies 1 calls
1> 2 ms _FindJavaStubFiles 1 calls
1> 2 ms _ExtractLibraryProjectImports 1 calls
1> 2 ms _StripEmbeddedLibraries 1 calls
1> 2 ms _CleanGetCurrentAndPriorFileWrites 1 calls
1> 2 ms _GetAdditionalResourcesFromAssemblies 1 calls
1> 2 ms _FindCompiledJavaFiles 1 calls
1> 2 ms _CheckDuplicateJavaLibraries 1 calls
1> 2 ms _AddLibraryProjectsEmbeddedResourceToProject 1 calls
1> 3 ms _ComputeAndroidAssetsPaths 1 calls
1> 3 ms CopyFilesToOutputDirectory 1 calls
1> 3 ms CoreClean 1 calls
1> 3 ms _CollectPdbFiles 1 calls
1> 3 ms GetBuiltProjectOutputRecursive 1 calls
1> 3 ms _CollectConfigFiles 1 calls
1> 3 ms _ValidateAndroidPackageProperties 1 calls
1> 3 ms _WriteResolvedAssemblies 1 calls
1> 4 ms _CreatePropertiesCache 1 calls
1> 4 ms _ResolveMonoAndroidSdks 1 calls
1> 4 ms _AddDebugStaticResources 1 calls
1> 4 ms _BuildLibraryImportsCache 1 calls
1> 4 ms _CollectMdbFiles 1 calls
1> 5 ms _CheckForInvalidConfigurationAndPlatform 1 calls
1> 7 ms _ResolveSatellitePaths 1 calls
1> 7 ms _GeneratePackageManagerJava 1 calls
1> 8 ms _DetermineJavaLibrariesToCompile 1 calls
1> 9 ms IncrementalClean 1 calls
1> 10 ms _AddStaticResources 1 calls
1> 11 ms _CleanMonoAndroidIntermediateDir 1 calls
1> 11 ms _GenerateAndroidResourceDir 1 calls
1> 12 ms _CleanMsymArchive 1 calls
1> 18 ms _SetLatestTargetFrameworkVersion 1 calls
1> 20 ms ResolveAssemblyReferences 1 calls
1> 27 ms ImplicitlyExpandDesignTimeFacades 1 calls
1> 30 ms _BuildSdkCache 1 calls
1> 35 ms _ConvertPdbFiles 1 calls
1> 45 ms _CheckTargetFrameworks 1 calls
1> 46 ms _ResolveLibraryProjectImports 1 calls
1> 52 ms _CreateBaseApk 1 calls
1> 66 ms _BuildAdditionalResourcesCache 1 calls
1> 72 ms _CopyMdbFiles 1 calls
1> 78 ms _ResolveAssemblies 1 calls
1> 115 ms _UpdateAndroidResgen 1 calls
1> 167 ms _GenerateJavaStubs 1 calls
1> 189 ms _GetPrimaryCpuAbi 1 calls
1> 453 ms _CopyIntermediateAssemblies 1 calls
1> 515 ms _LinkAssembliesNoShrink 1 calls
1> 657 ms _CompileToDalvikWithDx 1 calls
1> 664 ms _CompileJava 1 calls
1> 677 ms CoreCompile 1 calls
1>
1>Task Performance Summary:
1> 0 ms CallTarget 1 calls
1> 0 ms MSBuild 1 calls
1> 0 ms ResolveCodeAnalysisRuleSet 1 calls
1> 0 ms ReadLinesFromFile 2 calls
1> 0 ms GetFrameworkPath 1 calls
1> 0 ms FindAppConfigFile 1 calls
1> 0 ms AssignCulture 1 calls
1> 1 ms GetAppSettingsDirectory 1 calls
1> 1 ms ConvertToAbsolutePath 1 calls
1> 1 ms RemoveDuplicates 3 calls
1> 1 ms AssignTargetPath 6 calls
1> 1 ms CollectLibraryAssets 1 calls
1> 1 ms AssignProjectConfiguration 1 calls
1> 1 ms GetMonoPlatformJar 1 calls
1> 1 ms CalculateAdditionalResourceCacheDirectories 1 calls
1> 1 ms CreateTemporaryDirectory 2 calls
1> 1 ms GetAndroidDefineConstants 1 calls
1> 1 ms GetAddOnPlatformLibraries 1 calls
1> 1 ms ReadImportedLibrariesCache 1 calls
1> 1 ms ReadAdditionalResourcesFromAssemblyCache 1 calls
1> 1 ms CheckProjectItems 1 calls
1> 1 ms GetReferenceAssemblyPaths 2 calls
1> 1 ms AdjustJavacVersionArguments 1 calls
1> 2 ms FindUnderPath 7 calls
1> 2 ms Message 17 calls
1> 2 ms ReadLibraryProjectImportsCache 1 calls
1> 2 ms MakeDir 6 calls
1> 2 ms CreateAndroidResourceStamp 1 calls
1> 2 ms CreateProperty 42 calls
1> 2 ms CopyIfChanged 1 calls
1> 2 ms GetAndroidPackageName 2 calls
1> 2 ms GetJavaPlatformJar 1 calls
1> 2 ms GetExtraPackages 2 calls
1> 2 ms CheckDuplicateJavaLibraries 1 calls
1> 2 ms CreateManagedLibraryResourceArchive 1 calls
1> 3 ms RemoveUnknownFiles 1 calls
1> 3 ms AndroidComputeResPaths 2 calls
1> 3 ms CreateResgenManifest 1 calls
1> 4 ms GetImportedLibraries 1 calls
1> 4 ms GetFilesThatExist 3 calls
1> 6 ms Touch 7 calls
1> 6 ms CopyGeneratedJavaResourceClasses 2 calls
1> 7 ms CreateItem 20 calls
1> 7 ms GeneratePackageManagerJava 1 calls
1> 7 ms DetermineJavaLibrariesToCompile 1 calls
1> 8 ms Delete 28 calls
1> 10 ms CopyResource 4 calls
1> 11 ms RemoveDirFixed 5 calls
1> 12 ms WriteLinesToFile 5 calls
1> 17 ms ReadResolvedSdksCache 1 calls
1> 27 ms ResolveAssemblyReference 2 calls
1> 29 ms GenerateResourceDesigner 1 calls
1> 29 ms ResolveSdks 1 calls
1> 29 ms ConvertResourcesCases 3 calls
1> 35 ms ConvertDebuggingFiles 1 calls
1> 45 ms CheckTargetFrameworks 1 calls
1> 45 ms ResolveLibraryProjectImports 1 calls
1> 52 ms CopyMdbFiles 1 calls
1> 65 ms GetAdditionalResourcesFromAssemblies 1 calls
1> 77 ms ResolveAssemblies 1 calls
1> 92 ms Aapt 2 calls
1> 161 ms GenerateJavaStubs 1 calls
1> 186 ms GetPrimaryCpuAbi 1 calls
1> 479 ms Copy 7 calls
1> 513 ms LinkAssemblies 1 calls
1> 655 ms CompileToDalvik 1 calls
1> 660 ms Csc 1 calls
1> 664 ms Javac 1 calls
1>
1>Build succeeded.
1>
1>Time Elapsed 00:00:04.08
Notice that we can tell how long this build took: 4 seconds. However that doesn't answer your case, but with a proper log like this, we can then investigate that Target or Task and figure out what your project is bottlenecking on. My guess would be aapt, but that's just because even Android Studio would hang here as this tooling is inside the Android SDK and it responsible for packaging android assets.
EDIT:
It looks like this build took ~2 minutes to build the 2 projects. One being in C:\Development\Apps\trunk\App.Droid\App.Droid.ServiceClient\App.Droid.ServiceClient.csproj and the other in C:\Development\Apps\trunk\App.Droid\App.Droid\App.Droid.csproj (40/87 seconds respectively). This seems quite normal for a project with this many third party dependencies to Android Support/Google Play. You can search the string Task "GetAdditionalResourcesFromAssemblies to show 6 places where this is defined. There are 2 Tasks being invoked here due to the 2 Android projects.
It might be worth a comparison of an Android Studio project with that many external dependencies and compare the time. I do know that we currently have quite a bit of on-going work with regards to the GetAdditionalResourcesFromAssemblies Task. However this work won't be available until Cycle 9-10. This work is currently apart of a pull request:
https://github.com/xamarin/xamarin-android/pull/296
(You can tell it's almost brand new due to the commit time).
As you can tell from this Task, there will be the following improvements:
The current Task always downloads data from google. This is regardless of whether the files exist in the Android sdk directory already. This commit changes the GetAdditionalResourcesFromAssemblies task to look in the "extras" folder in the android sdk for the required .aar file. This will mean if a user has an up to date sdk, there will be almost no need to download the files from the internet.
There's also a PR - https://github.com/xamarin/xamarin-android/pull/292 (Thanks @Mikhail)
Which addresses reusing the computed hash which can also lower build times.
TLDR; GetAdditionalResourcesFromAssemblies需要更多工作才能缩短构建时间.目前正在开展这项工作.
编辑2:
目前在包含依赖关系的支持库中解决了这个问题 https://www.nuget.org/packages/Xamarin.Build.Download/
- 这可能是部分问题.我必须看到一个构建输出日志,你运行相同的Xamarin版本但不同的支持库版本(23 vs 24).这些项目被"拆分"的原因是因为谷歌在最近的版本中做到了这一点.您可以在修订历史记录中看到这一点:https://developer.android.com/topic/libraries/support-library/revisions.html#24-2-0-v4-refactor(手动检查24.2.0作为链接没有不行.我相信这个任务中的这个修复程序可以解决你的构建时间中的大部分问题. (2认同)
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