构建失败:无法在Unity上构建Android .apk
构建失败:无法在Unity上构建Android .apk
提问于 2018-06-22 21:57:45
每当我尝试为android构建并运行Unity应用程序时，我都会收到以下错误：
Build Failure: Unable to list target platforms. please make sure the
android sdk path is correct. See the Console for details.问题是路径设置正确，我也能够使用Android Studio构建应用程序。在Unity中，我将路径正确设置为
'/Users/MYUSERNAME/Library/Android/sdk‘
Unity甚至会打开一个提示，告诉我当我点击Preferences中的Browse -> External Tools时，已经找到了Android SDK。
在Unity-Log中，我还收到以下错误消息：
CommandInvokationFailure: Unable to list target platforms. Please make sure the android sdk path is correct.
/Users/MYUSERNAME/Library/Android/sdk/tools/bin/avdmanager list target -c
stderr[
Exception in thread "main" java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema
at com.android.repository.api.SchemaModule$SchemaModuleVersion.<init>(SchemaModule.java:156)
at com.android.repository.api.SchemaModule.<init>(SchemaModule.java:75)
at com.android.sdklib.repository.AndroidSdkHandler.<clinit>(AndroidSdkHandler.java:81)
at com.android.sdklib.tool.AvdManagerCli.run(AvdManagerCli.java:213)
at com.android.sdklib.tool.AvdManagerCli.main(AvdManagerCli.java:200)
Caused by: java.lang.ClassNotFoundException: javax.xml.bind.annotation.XmlSchema
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:582)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:190)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:499)
... 5 more
]
stdout[
]
exit code: 1
UnityEditor.Android.Command.WaitForProgramToRun (UnityEditor.Utils.Program p, UnityEditor.Android.WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg)
UnityEditor.Android.Command.Run (System.Diagnostics.ProcessStartInfo psi, UnityEditor.Android.WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg)
UnityEditor.Android.AndroidSDKTools.RunAndroidSdkTool (System.String toolName, System.String arguments, Boolean updateCommand, UnityEditor.Android.WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg)
UnityEditor.Android.AndroidSDKTools.ListTargetPlatforms (UnityEditor.Android.WaitingForProcessToExit waitingForProcessToExit)
UnityEditor.Android.AndroidSDKTools.GetTopAndroidPlatformAvailable (UnityEditor.Android.WaitingForProcessToExit waitingForProcessToExit)
UnityEditor.Android.PostProcessor.Tasks.CheckAndroidSDK+SDKPlatformDetector.GetVersion (UnityEditor.Android.AndroidSDKTools sdkTools)
UnityEditor.Android.PostProcessor.Tasks.CheckAndroidSDK+SDKComponentDetector.Detect (UnityEditor.Android.AndroidSDKTools sdkTools, System.Version minVersion, UnityEditor.Android.PostProcessor.ProgressHandler onProgress)
UnityEditor.Android.PostProcessor.Tasks.CheckAndroidSDK.EnsureSDKComponentVersion (System.Version minVersion, UnityEditor.Android.PostProcessor.Tasks.SDKComponentDetector detector)
UnityEditor.Android.PostProcessor.Tasks.CheckAndroidSDK.EnsureSDKComponentVersion (Int32 minVersion, UnityEditor.Android.PostProcessor.Tasks.SDKComponentDetector detector)
UnityEditor.Android.PostProcessor.Tasks.CheckAndroidSDK.Execute (UnityEditor.Android.PostProcessor.PostProcessorContext context)
UnityEditor.Android.PostProcessor.PostProcessRunner.RunAllTasks (UnityEditor.Android.PostProcessor.PostProcessorContext context)
UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)回答 2
Stack Overflow用户
回答已采纳
发布于 2018-06-23 20:30:43
我自己解决了这个问题。我不知道为什么会有这个问题，但在我将JDK降级到1.8之后，我就能够构建.apk了。
Stack Overflow用户
发布于 2018-06-23 05:08:12
您需要Android SDK的25.5.5版本。
如果你还没有降级，步骤如下：
1-删除Android SDK tools文件夹:您的Android SDK根目录/tools -> tools。
2.下载SDK工具：http://dl-ssl.google.com/android/repository/tools_r25.2.5-windows.zip。
3-将其解压缩到Android SDK根目录。
如果你已经做过了，请让我知道。
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原文链接：
https://stackoverflow.com/questions/50989626
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