我想尝试新的Android Studio，但当我启动它时出现了这个错误。
null
java.lang.NullPointerException
at com.android.ide.common.resources.ResourceResolver.getStyle(ResourceResolver.java:574)
at com.android.ide.common.resources.ResourceResolver.computeStyleInheritance(ResourceResolver.java:503)
at com.android.ide.common.resources.ResourceResolver.computeStyleMaps(ResourceResolver.java:462)
at com.android.ide.common.resources.ResourceResolver.create(ResourceResolver.java:75)
at com.android.tools.idea.configurations.Configuration.getResourceResolver(Configuration.java:1059)
at org.jetbrains.android.AndroidColorAnnotator.annotateResourceReference(AndroidColorAnnotator.java:193)
at org.jetbrains.android.AndroidColorAnnotator.annotate(AndroidColorAnnotator.java:101)
at com.intellij.codeInsight.daemon.impl.DefaultHighlightVisitor.runAnnotators(DefaultHighlightVisitor.java:160)
at com.intellij.codeInsight.daemon.impl.DefaultHighlightVisitor.visit(DefaultHighlightVisitor.java:103)
at com.intellij.codeInsight.daemon.impl.GeneralHighlightingPass$11.run(GeneralHighlightingPass.java:650)
at com.intellij.codeInsight.daemon.impl.GeneralHighlightingPass.analyzeByVisitors(GeneralHighlightingPass.java:763)
at com.intellij.codeInsight.daemon.impl.GeneralHighlightingPass.access$3500(GeneralHighlightingPass.java:83)
at com.intellij.codeInsight.daemon.impl.GeneralHighlightingPass$13.run(GeneralHighlightingPass.java:769)
at com.intellij.codeInsight.daemon.impl.DefaultHighlightVisitor.analyze(DefaultHighlightVisitor.java:87)
at com.intellij.codeInsight.daemon.impl.GeneralHighlightingPass.analyzeByVisitors(GeneralHighlightingPass.java:766)
at com.intellij.codeInsight.daemon.impl.GeneralHighlightingPass.access$3500(GeneralHighlightingPass.java:83)
at com.intellij.codeInsight.daemon.impl.GeneralHighlightingPass$13.run(GeneralHighlightingPass.java:769)
at com.intellij.codeInsight.daemon.impl.RefCountHolder.analyze(RefCountHolder.java:295)
at com.intellij.codeInsight.daemon.impl.analysis.HighlightVisitorImpl.analyze(HighlightVisitorImpl.java:139)
at com.intellij.codeInsight.daemon.impl.GeneralHighlightingPass.analyzeByVisitors(GeneralHighlightingPass.java:766)
at com.intellij.codeInsight.daemon.impl.GeneralHighlightingPass.collectHighlights(GeneralHighlightingPass.java:723)
at com.intellij.codeInsight.daemon.impl.GeneralHighlightingPass.collectInformationWithProgress(GeneralHighlightingPass.java:214)
at com.intellij.codeInsight.daemon.impl.ProgressableTextEditorHighlightingPass.doCollectInformation(ProgressableTextEditorHighlightingPass.java:58)
at com.intellij.codeHighlighting.TextEditorHighlightingPass.collectInformation(TextEditorHighlightingPass.java:62)
at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass$1$1.run(PassExecutorService.java:357)
at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1196)
at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass$1.run(PassExecutorService.java:348)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:226)
at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.doRun(PassExecutorService.java:345)
at com.intellij.codeInsight.daemon.impl.PassExecutorService$ScheduledPass.run(PassExecutorService.java:321)
at com.intellij.concurrency.JobLauncherImpl$3.call(JobLauncherImpl.java:145)
at com.intellij.concurrency.JobLauncherImpl$3.call(JobLauncherImpl.java:142)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at com.intellij.concurrency.PrioritizedFutureTask.access$101(PrioritizedFutureTask.java:31)
at com.intellij.concurrency.PrioritizedFutureTask$1.run(PrioritizedFutureTask.java:70)
at com.intellij.concurrency.PrioritizedFutureTask.run(PrioritizedFutureTask.java:113)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:722)
当我点击SDK管理器或AVD管理器时，出现“请指定Android SDK”错误。我尝试在项目结构中指定我在Eclipse中使用的SDK（更新到最新版本），但仍然出现相同的错误。你知道我该如何解决这个问题吗？