未处理的异常: System.FormatException:在虚拟引擎4.23上启动iphone时输入字符串格式不正确
在遵循了几个关于启动ios的指南之后，我仍然无法让它正常工作。我尝试了一个空的项目，ar试剂盒样本和面ar样本都没有效果。这是我正在犯的错误：
LogPlayLevel:构建命令启动LogPlayLevel:已完成的启动阶段:构建任务，时间: 5.581737 Games/UE_4.23/Engine/Binaries/DotNET/UnrealBuildTool.exe“：LogPlayLevel: mono :mono/LogPlayLevel/Shared/Epic LogPlayLevel AR IOS开发-Project=/Users/dondoo/Desktop/AR/AR.uproject /LogPlayLevel/dondoo/Desktop/AR/ar.uproject -NoUBTMakefiles -remoteini=”/User/dondoo/Desktop/AR“-skipdeploy -ini:Game:/Script/UnrealEd.ProjectPackagingSettings:BlueprintNativizationMethod=Di sabled -Manifest=/Users/dondoo/Desktop/AR/Intermediate/Build/Manifest.xml -NoHotReload -log=/Users/dondoo/Library/Logs/Unreal Engine/LocalBuildLogs/UBT-AR-IOS-Development.txt“LogPlayLevel:在运行时允许对操作系统版本12.0进行编译:错误:错误:未处理的异常: System.FormatException:输入字符串格式不正确。LogPlayLevel: System.Number.ThrowOverflowOrFormatException (System.Boolean overflow，System.String overflowResourceKey) 0x0001a in :0 LogPlayLevel: at System.Number.ParseSingle (System.ReadOnlySpan1[T] value, System.Globalization.NumberStyles styles, System.Globalization.NumberFormatInfo info) [0x00071] in :0 LogPlayLevel: at System.Single.Parse (System.String s) [0x0001a] in :0 LogPlayLevel: at UnrealBuildTool.ReadOnlyIOSTargetRules.get_RuntimeVersion () [0x00010] in :0 LogPlayLevel: at UnrealBuildTool.IOSPlatform.SetUpEnvironment (UnrealBuildTool.ReadOnlyTargetRules Target, UnrealBuildTool.CppCompileEnvironment CompileEnvironment, UnrealBuildTool.LinkEnvironment LinkEnvironment) [0x00226] in :0 LogPlayLevel: at UnrealBuildTool.UEBuildTarget.SetupGlobalEnvironment (UnrealBuildTool.UEToolChain ToolChain, UnrealBuildTool.CppCompileEnvironment GlobalCompileEnvironment, UnrealBuildTool.LinkEnvironment GlobalLinkEnvironment) [0x00bc8] in :0 LogPlayLevel: at UnrealBuildTool.UEBuildTarget.Build (UnrealBuildTool.BuildConfiguration BuildConfiguration, UnrealBuildTool.ISourceFileWorkingSet WorkingSet, System.Boolean bIsAssemblingBuild, Tools.DotNETCommon.FileReference SingleFileToCompile) [0x00061] in :0 LogPlayLevel: at UnrealBuildTool.BuildMode.CreateMakefile (UnrealBuildTool.BuildConfiguration BuildConfiguration, UnrealBuildTool.TargetDescriptor TargetDescriptor, UnrealBuildTool.ISourceFileWorkingSet WorkingSet) [0x00141] in :0 LogPlayLevel: at UnrealBuildTool.BuildMode.Build (System.Collections.Generic.List1T TargetDescriptors，UnrealBuildTool.BuildConfiguration BuildConfiguration，UnrealBuildTool.ISourceFileWorkingSet WorkingSet，UnrealBuildTool.BuildOptions Options，Tools.DotNETCommon.FileReference WriteOutdatedActionsFile) 0x0001a in :0 Tools.DotNETCommon.FileReference: at WriteOutdatedActionsFile(System.Boolean) 0x002cc in :0 (en23#) 0x00291 in :0 in:0 s运行mono，en26#：#en27失败。有关详细信息，请参阅日志。(/User/dondoo/Library/Logs/Unreal Engine/LocalBuildLogs/UBT-AR-IOS-Development.txt) LogPlayLevel: AutomationTool exiting with ExitCode=5 (5) LogPlayLevel: Completed Stage On Stage: Build Task，Time: 29.662970 LogPlayLevel: Error: RunUAT ERROR: AutomationTool无法成功运行。PackagingResults:错误:启动失败！未知误差
我有一个有效的配置文件、证书和苹果开发人员帐户，正在开发一个macbook，试图推出iphone。
回答 1
Stack Overflow用户
发布于 2019-09-27 11:36:52
导致错误的原因是将ios版本从字符串转换为浮点，而忽略了语言区域设置。"11.0“点(”.“)是问题所在
ue4_23_0\Engine\Source\Programs\UnrealBuildTool\Platform\IOS\UEBuildIOS.cs
...
//line 143
public float RuntimeVersion
{
get { return float.Parse(Inner.ProjectSettings.RuntimeVersion); }
}
...
//line 368
public virtual string RuntimeVersion
{
get
{
switch (MinimumIOSVersion)
{
case "IOS_11":
return "11.0";
case "IOS_12":
return "12.0";
default:
return "11.0";
}
}
}
...解决方案(非最佳)添加区域设置以进行解析
...
//line 10
using Microsoft.Win32;
using System.Globalization; // <- Add this
...
//line 143
public float RuntimeVersion
{
get { return float.Parse(Inner.ProjectSettings.RuntimeVersion, CultureInfo.InvariantCulture.NumberFormat); }
}
...或设置系统的区域设置以使用点(“.”)作为十进制分隔符
https://stackoverflow.com/questions/58031512
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