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。
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