【已解决】Android Studio错误提示：Gradle project sync failed. Basic functionality (eg. editing, debugging) will not work properly
【问题】
Android Studio中出现提示：
Gradle project sync failed. Basic functionality (eg. editing, debugging) will not work properly
如图：
【解决过程】
1.点击了：
Show Log in Explorer
打开找到了log文件：
C:\Users\Administrator\.AndroidStudio\system\log\idea.log
Log文件内容很长，最后一部分是：
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Consult IDE log for more details (Help | Show Log)
2015-04-01 10:37:20,131 [1257636] INFO - indexing.UnindexedFilesUpdater - Indexable files iterated in 2694 ms
2015-04-01 10:37:20,131 [1257636] INFO - indexing.UnindexedFilesUpdater - Unindexed files update started: 2500 files to update 2015-04-01 10:37:22,330 [1259835] INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $PROJECT_CONFIG_DIR$/codeStyleSettings.xml file is null
2015-04-01 10:37:22,333 [1259838] INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $PROJECT_CONFIG_DIR$/projectCodeStyle.xml file is null
2015-04-01 10:37:22,600 [1260105] INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $PROJECT_CONFIG_DIR$/fileColors.xml file is null
2015-04-01 10:37:25,627 [1263132] INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $APP_CONFIG$/web-browsers.xml file is null
2015-04-01 10:37:36,269 [1273774] INFO - indexing.UnindexedFilesUpdater - Unindexed files update done in 16138 ms
2015-04-01 10:37:36,941 [1274446] INFO - nject.config.XPathSupportProxy - XPath Support is not available 2015-04-01 10:37:37,119 [1274624] INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $APP_CONFIG$/IntelliLang.xml file is null
2015-04-01 10:37:37,122 [1274627] INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $PROJECT_CONFIG_DIR$/IntelliLang.xml file is null
2015-04-01 10:37:37,947 [1275452] INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $APP_CONFIG$/feature.usage.statistics.xml file is null
2015-04-01 10:37:39,177 [1276682] INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $PROJECT_CONFIG_DIR$/gant_config.xml file is null
2015-04-01 10:37:40,335 [1277840] INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $APP_CONFIG$/remote-servers.xml file is null
2015-04-01 10:37:40,518 [1278023] INFO - tor.impl.FileEditorManagerImpl - Project opening took 58569 ms 2015-04-01 10:37:46,714 [1284219] INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $APP_CONFIG$/file.template.settings.xml file is null
2015-04-01 10:37:51,540 [1289045] INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $APP_CONFIG$/cachedDictionary.xml file is null
2015-04-01 10:39:35,962 [1393467] INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $APP_CONFIG$/intentionSettings.xml file is null
2015-04-01 10:43:56,598 [1654103] INFO - indexing.UnindexedFilesUpdater - Indexable files iterated in 3182 ms
2015-04-01 10:43:56,598 [1654103] INFO - indexing.UnindexedFilesUpdater - Unindexed files update started: 22098 files to update 2015-04-01 10:44:23,144 [1680649] INFO - util.EmbeddedDistributionPaths - Looking for embedded Gradle distribution at 'C:\Program Files\Android\Android Studio\gradle\gradle-2.2.1'
2015-04-01 10:44:23,252 [1680757] INFO - s.plugins.gradle.GradleManager - Instructing gradle to use java from C:\Program Files\Java\jdk1.7.0_76 2015-04-01 10:44:23,253 [1680758] INFO - s.plugins.gradle.GradleManager - Instructing gradle to use java from C:\Program Files\Java\jdk1.7.0_76 2015-04-01 10:44:23,254 [1680759] INFO - util.EmbeddedDistributionPaths - Looking for embedded Maven repo at 'C:\Program Files\Android\Android Studio\gradle\m2repository'
2015-04-01 10:44:23,256 [1680761] INFO - .project.GradleExecutionHelper - Passing command-line args to Gradle Tooling API: [-Pandroid.injected.build.model.only=true, -Pandroid.injected.build.model.only.advanced=true, -Pandroid.injected.invoked.from.ide=true, --init-script, C:\Users\Administrator\AppData\Local\Temp\asLocalRepo3577806095284007233.gradle, --init-script, C:\Users\Administrator\AppData\Local\Temp\ijinit6508239471401468090.gradle]
2015-04-01 10:44:40,498 [1698003] INFO - .project.GradleProjectResolver - Gradle project resolve error org.gradle.tooling.BuildException: Could not run build action using Gradle installation 'C:\Program Files\Android\Android Studio\gradle\gradle-2.2.1'.
at org.gradle.tooling.internal.consumer.ResultHandlerAdapter.onFailure(ResultHandlerAdapter.java:57)
at org.gradle.tooling.internal.consumer.async.DefaultAsyncConsumerActionExecutor$1$1.run(DefaultAsyncConsumerActionExecutor.java:57)
at org.gradle.internal.concurrent.DefaultExecutorFactory$StoppableExecutorImpl$1.run(DefaultExecutorFactory.java:64)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
at org.gradle.tooling.internal.consumer.BlockingResultHandler.getResult(BlockingResultHandler.java:46)
at org.gradle.tooling.internal.consumer.DefaultBuildActionExecuter.run(DefaultBuildActionExecuter.java:46)
at org.jetbrains.plugins.gradle.service.project.GradleProjectResolver.doResolveProjectInfo(GradleProjectResolver.java:186)
at org.jetbrains.plugins.gradle.service.project.GradleProjectResolver.access$300(GradleProjectResolver.java:64)
at org.jetbrains.plugins.gradle.service.project.GradleProjectResolver$ProjectConnectionDataNodeFunction.fun(GradleProjectResolver.java:361)
at org.jetbrains.plugins.gradle.service.project.GradleProjectResolver$ProjectConnectionDataNodeFunction.fun(GradleProjectResolver.java:333)
at org.jetbrains.plugins.gradle.service.project.GradleExecutionHelper.execute(GradleExecutionHelper.java:203)
at org.jetbrains.plugins.gradle.service.project.GradleProjectResolver.resolveProjectInfo(GradleProjectResolver.java:116)
at org.jetbrains.plugins.gradle.service.project.GradleProjectResolver.resolveProjectInfo(GradleProjectResolver.java:64)
at com.intellij.openapi.externalSystem.service.remote.RemoteExternalSystemProjectResolverImpl$1.produce(RemoteExternalSystemProjectResolverImpl.java:41)
at com.intellij.openapi.externalSystem.service.remote.RemoteExternalSystemProjectResolverImpl$1.produce(RemoteExternalSystemProjectResolverImpl.java:37)
at com.intellij.openapi.externalSystem.service.remote.AbstractRemoteExternalSystemService.execute(AbstractRemoteExternalSystemService.java:59)
at com.intellij.openapi.externalSystem.service.remote.RemoteExternalSystemProjectResolverImpl.resolveProjectInfo(RemoteExternalSystemProjectResolverImpl.java:37)
at com.intellij.openapi.externalSystem.service.remote.wrapper.ExternalSystemProjectResolverWrapper.resolveProjectInfo(ExternalSystemProjectResolverWrapper.java:49)
at com.intellij.openapi.externalSystem.service.internal.ExternalSystemResolveProjectTask.doExecute(ExternalSystemResolveProjectTask.java:48)
at com.intellij.openapi.externalSystem.service.internal.AbstractExternalSystemTask.execute(AbstractExternalSystemTask.java:137)
at com.intellij.openapi.externalSystem.service.internal.AbstractExternalSystemTask.execute(AbstractExternalSystemTask.java:123)
at com.intellij.openapi.externalSystem.util.ExternalSystemUtil$2.execute(ExternalSystemUtil.java:406)
at com.intellij.openapi.externalSystem.util.ExternalSystemUtil$3$2.run(ExternalSystemUtil.java:483)
at com.intellij.openapi.progress.impl.ProgressManagerImpl$TaskRunnable.run(ProgressManagerImpl.java:471)
at com.intellij.openapi.progress.impl.ProgressManagerImpl$2.run(ProgressManagerImpl.java:178)
at com.intellij.openapi.progress.ProgressManager.executeProcessUnderProgress(ProgressManager.java:209)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:212)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.runProcess(ProgressManagerImpl.java:171)
at com.intellij.openapi.progress.impl.ProgressManagerImpl$8.run(ProgressManagerImpl.java:380)
at com.intellij.openapi.application.impl.ApplicationImpl$8.run(ApplicationImpl.java:419)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
at com.intellij.openapi.application.impl.ApplicationImpl$1$1.run(ApplicationImpl.java:149)
Caused by: org.gradle.internal.exceptions.LocationAwareException: A problem occurred configuring project ':cSipSimplemaster'.
at org.gradle.initialization.DefaultExceptionAnalyser.transform(DefaultExceptionAnalyser.java:77)
at org.gradle.initialization.MultipleBuildFailuresExceptionAnalyser.transform(MultipleBuildFailuresExceptionAnalyser.java:47)
at org.gradle.initialization.StackTraceSanitizingExceptionAnalyser.transform(StackTraceSanitizingExceptionAnalyser.java:30)
at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:108)
at org.gradle.initialization.DefaultGradleLauncher.getBuildAnalysis(DefaultGradleLauncher.java:97)
at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildController.configure(InProcessBuildActionExecuter.java:84)
at org.gradle.tooling.internal.provider.ClientProvidedBuildAction.run(ClientProvidedBuildAction.java:43)
at org.gradle.tooling.internal.provider.ClientProvidedBuildAction.run(ClientProvidedBuildAction.java:31)
at org.gradle.tooling.internal.provider.ConfiguringBuildAction.run(ConfiguringBuildAction.java:119)
at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:36)
at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:26)
at org.gradle.launcher.daemon.server.exec.ExecuteBuild.doBuild(ExecuteBuild.java:47)
at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:34)
at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:119)
at org.gradle.launcher.daemon.server.exec.WatchForDisconnection.execute(WatchForDisconnection.java:35)
at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:119)
at org.gradle.launcher.daemon.server.exec.ResetDeprecationLogger.execute(ResetDeprecationLogger.java:24)
at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:119)
at org.gradle.launcher.daemon.server.exec.StartStopIfBuildAndStop.execute(StartStopIfBuildAndStop.java:33)
at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:119)
at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:71)
at org.gradle.launcher.daemon.server.exec.ForwardClientInput$2.call(ForwardClientInput.java:69)
at org.gradle.util.Swapper.swap(Swapper.java:38)
at org.gradle.launcher.daemon.server.exec.ForwardClientInput.execute(ForwardClientInput.java:69)
at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:119)
at org.gradle.launcher.daemon.server.exec.LogToClient.doBuild(LogToClient.java:60)
at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:34)
at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:119)
at org.gradle.launcher.daemon.server.exec.EstablishBuildEnvironment.doBuild(EstablishBuildEnvironment.java:70)
at org.gradle.launcher.daemon.server.exec.BuildCommandOnly.execute(BuildCommandOnly.java:34)
at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:119)
at org.gradle.launcher.daemon.server.exec.DaemonHygieneAction.execute(DaemonHygieneAction.java:39)
at org.gradle.launcher.daemon.server.exec.DaemonCommandExecution.proceed(DaemonCommandExecution.java:119)
at org.gradle.launcher.daemon.server.exec.StartBuildOrRespondWithBusy$1.run(StartBuildOrRespondWithBusy.java:46)
at org.gradle.launcher.daemon.server.DaemonStateCoordinator$1.run(DaemonStateCoordinator.java:246)
at org.gradle.internal.concurrent.DefaultExecutorFactory$StoppableExecutorImpl$1.run(DefaultExecutorFactory.java:64)
Caused by: org.gradle.api.ProjectConfigurationException: A problem occurred configuring project ':cSipSimplemaster'.
at org.gradle.configuration.project.LifecycleProjectEvaluator.addConfigurationFailure(LifecycleProjectEvaluator.java:91)
at org.gradle.configuration.project.LifecycleProjectEvaluator.notifyAfterEvaluate(LifecycleProjectEvaluator.java:86)
at org.gradle.configuration.project.LifecycleProjectEvaluator.evaluate(LifecycleProjectEvaluator.java:65)
at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProject.java:504)
at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProject.java:83)
at org.gradle.execution.TaskPathProjectEvaluator.configureHierarchy(TaskPathProjectEvaluator.java:47)
at org.gradle.configuration.DefaultBuildConfigurer.configure(DefaultBuildConfigurer.java:35)
at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:129)
at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:106)
... 32 more
Caused by: java.lang.IllegalStateException: failed to find target android-19 : C:\Users\Administrator\AppData\Local\Android\sdk
at com.android.builder.sdk.DefaultSdkLoader.getTargetInfo(DefaultSdkLoader.java:88)
at com.android.build.gradle.internal.SdkHandler.initTarget(SdkHandler.java:90)
at com.android.build.gradle.BasePlugin.ensureTargetSetup(BasePlugin.groovy:467)
at com.android.build.gradle.BasePlugin.access$0(BasePlugin.groovy)
at com.android.build.gradle.BasePlugin$_createTasks_closure9.doCall(BasePlugin.groovy:372)
at org.gradle.listener.ClosureBackedMethodInvocationDispatch.dispatch(ClosureBackedMethodInvocationDispatch.java:40)
at org.gradle.listener.ClosureBackedMethodInvocationDispatch.dispatch(ClosureBackedMethodInvocationDispatch.java:25)
at org.gradle.listener.BroadcastDispatch.dispatch(BroadcastDispatch.java:83)
at org.gradle.listener.BroadcastDispatch.dispatch(BroadcastDispatch.java:31)
at org.gradle.messaging.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:93)
at com.sun.proxy.$Proxy12.afterEvaluate(Unknown Source)
at org.gradle.configuration.project.LifecycleProjectEvaluator.notifyAfterEvaluate(LifecycleProjectEvaluator.java:79)
... 39 more
2015-04-01 10:44:40,500 [1698005] WARN - nal.AbstractExternalSystemTask - failed to find target android-19 : C:\Users\Administrator\AppData\Local\Android\sdk
com.intellij.openapi.externalSystem.model.ExternalSystemException: failed to find target android-19 : C:\Users\Administrator\AppData\Local\Android\sdk
at com.android.tools.idea.gradle.project.ProjectImportErrorHandler.createUserFriendlyError(ProjectImportErrorHandler.java:225)
at com.android.tools.idea.gradle.project.ProjectImportErrorHandler.getUserFriendlyError(ProjectImportErrorHandler.java:103)
at com.android.tools.idea.gradle.project.AndroidGradleProjectResolver.getUserFriendlyError(AndroidGradleProjectResolver.java:321)
at org.jetbrains.plugins.gradle.service.project.GradleProjectResolver$ProjectConnectionDataNodeFunction.fun(GradleProjectResolver.java:367)
at org.jetbrains.plugins.gradle.service.project.GradleProjectResolver$ProjectConnectionDataNodeFunction.fun(GradleProjectResolver.java:333)
at org.jetbrains.plugins.gradle.service.project.GradleExecutionHelper.execute(GradleExecutionHelper.java:203)
at org.jetbrains.plugins.gradle.service.project.GradleProjectResolver.resolveProjectInfo(GradleProjectResolver.java:116)
at org.jetbrains.plugins.gradle.service.project.GradleProjectResolver.resolveProjectInfo(GradleProjectResolver.java:64)
at com.intellij.openapi.externalSystem.service.remote.RemoteExternalSystemProjectResolverImpl$1.produce(RemoteExternalSystemProjectResolverImpl.java:41)
at com.intellij.openapi.externalSystem.service.remote.RemoteExternalSystemProjectResolverImpl$1.produce(RemoteExternalSystemProjectResolverImpl.java:37)
at com.intellij.openapi.externalSystem.service.remote.AbstractRemoteExternalSystemService.execute(AbstractRemoteExternalSystemService.java:59)
at com.intellij.openapi.externalSystem.service.remote.RemoteExternalSystemProjectResolverImpl.resolveProjectInfo(RemoteExternalSystemProjectResolverImpl.java:37)
at com.intellij.openapi.externalSystem.service.remote.wrapper.ExternalSystemProjectResolverWrapper.resolveProjectInfo(ExternalSystemProjectResolverWrapper.java:49)
at com.intellij.openapi.externalSystem.service.internal.ExternalSystemResolveProjectTask.doExecute(ExternalSystemResolveProjectTask.java:48)
at com.intellij.openapi.externalSystem.service.internal.AbstractExternalSystemTask.execute(AbstractExternalSystemTask.java:137)
at com.intellij.openapi.externalSystem.service.internal.AbstractExternalSystemTask.execute(AbstractExternalSystemTask.java:123)
at com.intellij.openapi.externalSystem.util.ExternalSystemUtil$2.execute(ExternalSystemUtil.java:406)
at com.intellij.openapi.externalSystem.util.ExternalSystemUtil$3$2.run(ExternalSystemUtil.java:483)
at com.intellij.openapi.progress.impl.ProgressManagerImpl$TaskRunnable.run(ProgressManagerImpl.java:471)
at com.intellij.openapi.progress.impl.ProgressManagerImpl$2.run(ProgressManagerImpl.java:178)
at com.intellij.openapi.progress.ProgressManager.executeProcessUnderProgress(ProgressManager.java:209)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:212)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.runProcess(ProgressManagerImpl.java:171)
at com.intellij.openapi.progress.impl.ProgressManagerImpl$8.run(ProgressManagerImpl.java:380)
at com.intellij.openapi.application.impl.ApplicationImpl$8.run(ApplicationImpl.java:419)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
at com.intellij.openapi.application.impl.ApplicationImpl$1$1.run(ApplicationImpl.java:149)
2015-04-01 10:44:40,500 [1698005] WARN - radle.project.ProjectSetUpTask - 2015-04-01 10:44:40,501 [1698006] INFO - radle.project.ProjectSetUpTask - failed to find target android-19 : C:\Users\Administrator\AppData\Local\Android\sdk
Consult IDE log for more details (Help | Show Log)
2015-04-01 10:44:59,763 [1717268] INFO - ellij.vfs.persistent.FSRecords - Contents:16384 of 144781555, reuses:82 of 73161 for 1173
2015-04-01 10:45:13,819 [1731324] INFO - indexing.UnindexedFilesUpdater - Unindexed files update done in 77221 ms
2015-04-01 11:05:26,225 [2943730] INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $APP_CONFIG$/emmet.xml file is null
2015-04-01 11:05:26,335 [2943840] INFO - s.impl.stores.FileBasedStorage - Document was not loaded for $APP_CONFIG$/postfixTemplates.xml file is null
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2.对应着，Android Studio中也有错误提示：
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Error:failed to find target android-19 : C:\Users\Administrator\AppData\Local\Android\sdk<a href="install.android.platform">Install missing platform(s) and sync project</a> |
很明显：
好像是由于：
没有安装android的image，所以找不到android-19.
抽空再去安装android的image
3.然后点击了：
Install missing platform(s) and sync project
后，去安装：
对应log：
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Loading SDK information...Refresh Sources: Fetched Add-ons List successfully
Refresh Sources
Failed to fetch URL https://dl-ssl.google.com/glass/gdk/addon.xml, reason: Connect Connection timed out: connect
Refresh Sources: Failed to fetch URL https://dl-ssl.google.com/glass/gdk/addon.xml, reason: Connect Connection timed out: connect
Installing Archives: Preparing to install archives
Installing SDK Platform Android 4.4.2, API 19, revision 4
Installed SDK Platform Android 4.4.2, API 19, revision 4
Done. 1 package installed.
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【总结】
此处Android Studio中出现
Error:failed to find target android-19
是因为没有安装Android SDK Platform 19（Android 4.4.2 API 19），去按照提示安装好即可消除此错误。