GradleException 显示红色是否有任何错误
use*_*587 4 build.gradle flutter
在我重置电脑之前，我的应用程序运行良好，重置后我下载了所有文件并成功安装。但应用程序现在无法工作，显示一些错误，我不知道背后的原因是什么。GradleException 显示红色是任何错误或如何解决它，请解释我完全是颤振新手。
\n\n我已经在尝试添加 grdla 文件“GRADLE_HOME”的环境变量。
\n\ndef localPropertiesFile = rootProject.file(\'local.properties\')\nif (localPropertiesFile.exists()) {\n localPropertiesFile.withReader(\'UTF-8\') { reader ->\n localProperties.load(reader)\n }\n}\n\ndef flutterRoot = localProperties.getProperty(\'flutter.sdk\')\nif (flutterRoot == null) {\n throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")\n}\n\ndef flutterVersionCode = localProperties.getProperty(\'flutter.versionCode\')\nif (flutterVersionCode == null) {\n flutterVersionCode = \'1\'\n}\ndef flutterVersionName = localProperties.getProperty(\'flutter.versionName\')\nif (flutterVersionName == null) {\n flutterVersionName = \'1.0\'\n}\n\napply plugin: \'com.android.application\'\napply from: "C:/src/flutter/packages/flutter_tools/gradle/flutter.gradle"\n\nandroid {\n compileSdkVersion 28\n\n lintOptions {\n disable \'InvalidPackage\'\n }\n\n defaultConfig {\n // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).\n applicationId "com.helpem.helpem"\n minSdkVersion 16\n targetSdkVersion 28\n versionCode flutterVersionCode.toInteger()\n versionName flutterVersionName\n testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"\n\n }\n\n buildTypes {\n release {\n // TODO: Add your own signing config for the release build.\n // Signing with the debug keys for now, so `flutter run --release` works.\n signingConfig signingConfigs.debug\n }\n }\n}\n\nflutter {\n source \'../..\'\n}\n\ndependencies {\n testImplementation \'junit:junit:4.12\'\n androidTestImplementation \'androidx.test:runner:1.1.1\'\n androidTestImplementation \'androidx.test.espresso:espresso-core:3.1.1\'\n implementation \'com.google.firebase:firebase-analytics:17.2.0\'\n}\napply plugin: \'com.google.gms.google-services\'\napply plugin: \'findbugs\'\njava.lang.ClassNotFoundException: com.google.wireless.android.sdk.stats.IntellijIndexingStats$Index\n at java.net.URLClassLoader.findClass(URLClassLoader.java:382)\n at java.lang.ClassLoader.loadClass(ClassLoader.java:424)\n at java.lang.ClassLoader.loadClass(ClassLoader.java:357)\n at com.intellij.util.indexing.counters.IndexCounters.<clinit>(IndexCounters.java:34)\n at com.intellij.util.indexing.impl.MapReduceIndex.<init>(MapReduceIndex.java:85)\n at org.jetbrains.jps.backwardRefs.index.CompilerReferenceIndex$CompilerMapReduceIndex.<init>(CompilerReferenceIndex.java:232)\n at org.jetbrains.jps.backwardRefs.index.CompilerReferenceIndex.<init>(CompilerReferenceIndex.java:79)\n at org.jetbrains.jps.backwardRefs.JavaCompilerBackwardReferenceIndex.<init>(JavaCompilerBackwardReferenceIndex.java:12)\n at org.jetbrains.jps.backwardRefs.JavaBackwardReferenceIndexWriter.initialize(JavaBackwardReferenceIndexWriter.java:79)\n at org.jetbrains.jps.incremental.java.JavaBuilder.buildStarted(JavaBuilder.java:148)\n at org.jetbrains.jps.incremental.IncProjectBuilder.runBuild(IncProjectBuilder.java:363)\n at org.jetbrains.jps.incremental.IncProjectBuilder.build(IncProjectBuilder.java:178)\n at org.jetbrains.jps.cmdline.BuildRunner.runBuild(BuildRunner.java:139)\n at org.jetbrains.jps.cmdline.BuildSession.runBuild(BuildSession.java:302)\n at org.jetbrains.jps.cmdline.BuildSession.run(BuildSession.java:135)\n at org.jetbrains.jps.cmdline.BuildMain$MyMessageHandler.lambda$channelRead0$0(BuildMain.java:228)\n at org.jetbrains.jps.service.impl.SharedThreadPoolImpl.lambda$executeOnPooledThread$0(SharedThreadPoolImpl.java:42)\n at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)\n at java.util.concurrent.FutureTask.run(FutureTask.java:266)\n at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n at java.lang.Thread.run(Thread.java:748)\n扑医生
\n\n\n[!] Android toolchain - develop for Android devices (Android SDK version 29.0.2)\n X Android license status unknown.\n Try re-installing or updating your Android SDK Manager.\n See https://developer.android.com/studio/#downloads or visit https://flutter.dev/setup/#android-setup for detailed instructions.\n[\xe2\x88\x9a] Android Studio (version 3.5)\n[\xe2\x88\x9a] Connected device (1 available)\n\n! Doctor found issues in 1 category.\n\nC:\\Users\\dheer\\AndroidStudioProjects\\helpem\\helpem> flutter doctor --android-licenses\nA newer version of the Android SDK is required. To update, run:\nC:\\Users\\dheer\\AppData\\Local\\Android\\sdk\\tools\\bin\\sdkmanager --update\n\n\n\nC:\\Users\\dheer\\AndroidStudioProjects\\helpem\\helpem>C:\\Users\\dheer\\AppData\\Local\\Android\\sdk\\tools\\bin\\sdkmanager --update\nException in thread "main" java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema\n at com.android.repository.api.SchemaModule$SchemaModuleVersion.<init>(SchemaModule.java:156)\n at com.android.repository.api.SchemaModule.<init>(SchemaModule.java:75)\n at com.android.sdklib.repository.AndroidSdkHandler.<clinit>(AndroidSdkHandler.java:81)\n at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java:73)\n at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java:48)\nCaused by: java.lang.ClassNotFoundException: javax.xml.bind.annotation.XmlSchema\n at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:604)\n at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)\n at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)\n ... 5 more\n\nC:\\Users\\dheer\\AndroidStudioProjects\\helpem\\helpem>\n如果这对你来说很烦人（就像对我一样）
将其替换为
前
throw new GradleException(...)
后
throw new FileNotFoundException(...)
然后在项目设置中将项目 SDK 设置为 Android API 29 平台（或更高版本），如下所示：
然后红肿就会消失
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