Failed to notify ProjectEvaluationListener.afterEvaluate(), but primary configuration failure takes precedence.

java.lang.IllegalStateException: buildToolsVersion is not specified.

        at com.google.common.base.Preconditions.checkState(Preconditions.java:173)

        at com.android.build.gradle.BasePlugin.createAndroidTasks(BasePlugin.java:645)

        at com.android.build.gradle.BasePlugin$10.call(BasePlugin.java:608)

        at com.android.build.gradle.BasePlugin$10.call(BasePlugin.java:605)

        at com.android.builder.profile.ThreadRecorder.record(ThreadRecorder.java:156)

        at com.android.builder.profile.ThreadRecorder.record(ThreadRecorder.java:120)

        at com.android.build.gradle.BasePlugin.lambda$createTasks$1(BasePlugin.java:603)

        at org.gradle.internal.event.BroadcastDispatch$ActionInvocationHandler.dispatch(BroadcastDispatch.java:93)

        at org.gradle.internal.event.BroadcastDispatch$ActionInvocationHandler.dispatch(BroadcastDispatch.java:82)

        at org.gradle.internal.event.AbstractBroadcastDispatch.dispatch(AbstractBroadcastDispatch.java:44)

        at org.gradle.internal.event.BroadcastDispatch.dispatch(BroadcastDispatch.java:79)

        at org.gradle.internal.event.BroadcastDispatch.dispatch(BroadcastDispatch.java:30)

        at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:93)

        at com.sun.proxy.$Proxy11.afterEvaluate(Unknown Source)

        at org.gradle.configuration.project.LifecycleProjectEvaluator.notifyAfterEvaluate(LifecycleProjectEvaluator.java:67)

        at org.gradle.configuration.project.LifecycleProjectEvaluator.evaluate(LifecycleProjectEvaluator.java:61)

        at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProject.java:540)

        at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProject.java:93)

        at org.gradle.execution.TaskPathProjectEvaluator.configureHierarchy(TaskPathProjectEvaluator.java:47)

        at org.gradle.configuration.DefaultBuildConfigurer.configure(DefaultBuildConfigurer.java:35)

        at org.gradle.initialization.DefaultGradleLauncher$2.run(DefaultGradleLauncher.java:124)

        at org.gradle.internal.Factories$1.create(Factories.java:22)

        at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:91)

        at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:53)

        at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:121)

        at org.gradle.initialization.DefaultGradleLauncher.access$200(DefaultGradleLauncher.java:32)

        at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradleLauncher.java:98)

        at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradleLauncher.java:92)

        at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:91)

        at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:63)

        at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:92)

        at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:83)

        at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildController.run(InProcessBuildActionExecuter.java:99)

        at org.gradle.tooling.internal.provider.ExecuteBuildActionRunner.run(ExecuteBuildActionRunner.java:28)

        at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildActionRunner.java:35)

        at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:48)

        at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:30)

        at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:81)

        at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(ContinuousBuildActionExecuter.java:46)

        at org.gradle.launcher.exec.DaemonUsageSuggestingBuildActionExecuter.execute(DaemonUsageSuggestingBuildActionExecuter.java:51)

        at org.gradle.launcher.exec.DaemonUsageSuggestingBuildActionExecuter.execute(DaemonUsageSuggestingBuildActionExecuter.java:28)

        at org.gradle.launcher.cli.RunBuildAction.run(RunBuildAction.java:43)

        at org.gradle.internal.Actions$RunnableActionAdapter.execute(Actions.java:173)

        at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:239)

        at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:212)

        at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:35)

        at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:24)

        at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:33)

        at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:22)

        at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:205)

        at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:169)

        at org.gradle.launcher.Main.doAction(Main.java:33)

        at org.gradle.launcher.bootstrap.EntryPoint.run(EntryPoint.java:45)

        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

        at java.lang.reflect.Method.invoke(Method.java:498)

        at org.gradle.launcher.bootstrap.ProcessBootstrap.runNoExit(ProcessBootstrap.java:55)

        at org.gradle.launcher.bootstrap.ProcessBootstrap.run(ProcessBootstrap.java:36)

        at org.gradle.launcher.GradleMain.main(GradleMain.java:23)

        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

        at java.lang.reflect.Method.invoke(Method.java:498)

        at org.gradle.wrapper.BootstrapMainStarter.start(BootstrapMainStarter.java:33)

        at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:130)

        at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:48)

FAILURE: Build failed with an exception.

* Where:

Build file '/Users/rbleng/workspace/git/imooc/commonlibrary/app/build.gradle' line: 4

* What went wrong:

A problem occurred evaluating project ':app'.

> Plugin with id 'com.imooc.gradle.study' not found.

* Try:

Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

BUILD FAILED

Total time: 3.324 secs