ionic我把报错的明细给贴出来了,请问怎么解决？

liuzongyuan

F:\jygxsApp\platforms\android>gradlew cdvBuildDebug
An exception occurred while trying to find the Android build tools.
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:176)
        at com.android.build.gradle.BasePlugin.createAndroidTasks(BasePlugin.java:599)
        at com.android.build.gradle.BasePlugin$10$1.call(BasePlugin.java:566)
        at com.android.build.gradle.BasePlugin$10$1.call(BasePlugin.java:563)
        at com.android.builder.profile.ThreadRecorder$1.record(ThreadRecorder.java:55)
        at com.android.builder.profile.ThreadRecorder$1.record(ThreadRecorder.java:47)
        at com.android.build.gradle.BasePlugin$10.execute(BasePlugin.java:562)
        at com.android.build.gradle.BasePlugin$10.execute(BasePlugin.java:559)
        at org.gradle.listener.BroadcastDispatch$ActionInvocationHandler.dispatch(BroadcastDispatch.java:109)
        at org.gradle.listener.BroadcastDispatch$ActionInvocationHandler.dispatch(BroadcastDispatch.java:98)
        at org.gradle.listener.BroadcastDispatch.dispatch(BroadcastDispatch.java:83)
        at org.gradle.listener.BroadcastDispatch.dispatch(BroadcastDispatch.java:31)
        at org.gradle.messaging.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:93)
        at com.sun.proxy.$Proxy13.afterEvaluate(Unknown Source)
        at org.gradle.configuration.project.LifecycleProjectEvaluator.notifyAfterEvaluate(LifecycleProjectEvaluator.java:79)
        at org.gradle.configuration.project.LifecycleProjectEvaluator.evaluate(LifecycleProjectEvaluator.java:65)
        at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProject.java:504)
        at org.gradle.api.internal.project.AbstractProject.evaluate(AbstractProject.java:83)
        at org.gradle.execution.TaskPathProjectEvaluator.configureHierarchy(TaskPathProjectEvaluator.java:42)
        at org.gradle.configuration.DefaultBuildConfigurer.configure(DefaultBuildConfigurer.java:35)
        at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(DefaultGradleLauncher.java:129)
        at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradleLauncher.java:106)
        at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLauncher.java:86)
        at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildController.run(InProcessBuildActionExecuter.java:80)
        at org.gradle.launcher.cli.ExecuteBuildAction.run(ExecuteBuildAction.java:33)
        at org.gradle.launcher.cli.ExecuteBuildAction.run(ExecuteBuildAction.java:24)
        at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:36)
        at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProcessBuildActionExecuter.java:26)
        at org.gradle.launcher.cli.RunBuildAction.run(RunBuildAction.java:51)
        at org.gradle.internal.Actions$RunnableActionAdapter.execute(Actions.java:171)
        at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:237)
        at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.execute(CommandLineActionFactory.java:210)
        at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:35)
        at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRuntimeValidationAction.java:24)
        at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:206)
        at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(CommandLineActionFactory.java:169)
        at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:33)
        at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionReportingAction.java:22)
        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:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at org.gradle.launcher.bootstrap.ProcessBootstrap.runNoExit(ProcessBootstrap.java:54)
        at org.gradle.launcher.bootstrap.ProcessBootstrap.run(ProcessBootstrap.java:35)
        at org.gradle.launcher.GradleMain.main(GradleMain.java:23)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        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:
Script 'F:\jygxsApp\platforms\android\cordovaLib\cordova.gradle' line: 117

* What went wrong:
A problem occurred evaluating root project 'android'.
> Unable to determine Android SDK directory.

* 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: 3.26 secs

liuzongyuan

我是在执行ionic build android  命令是报错，然后我就跟着提示，执行命令，我贴出来的是错误的明细，说是A problem occurred evaluating root project 'android'.
> Unable to determine Android SDK directory.  

请问怎么解决？

ionicwang

sdk 是不是有问题检查一下