Internal error. Please report to https://code.google.com/p/android/issues
java.lang.RuntimeException: java.lang.IllegalArgumentException: Argument for @NotNull parameter 'name' of com/android/tools/idea/welcome/Platform.<init> must not be null
at com.intellij.idea.IdeaApplication.run(IdeaApplication.java:178)
at com.intellij.idea.MainImpl$1$1$1.run(MainImpl.java:52)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:312)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:745)
at java.awt.EventQueue.access$300(EventQueue.java:103)
at java.awt.EventQueue$3.run(EventQueue.java:706)
at java.awt.EventQueue$3.run(EventQueue.java:704)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:715)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:362)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)
Caused by: java.lang.IllegalArgumentException: Argument for @NotNull parameter 'name' of com/android/tools/idea/welcome/Platform.<init> must not be null
at com.android.tools.idea.welcome.Platform.<init>(Platform.java)
at com.android.tools.idea.welcome.Platform.getLatestPlatform(Platform.java:72)
at com.android.tools.idea.welcome.Platform.createSubtree(Platform.java:89)
at com.android.tools.idea.welcome.InstallComponentsPath.createComponentTree(InstallComponentsPath.java:81)
at com.android.tools.idea.welcome.InstallComponentsPath.init(InstallComponentsPath.java:215)
at com.android.tools.idea.wizard.DynamicWizardPath.attachToWizard(DynamicWizardPath.java:97)
at com.android.tools.idea.wizard.DynamicWizard.addPath(DynamicWizard.java:233)
at com.android.tools.idea.welcome.FirstRunWizard.init(FirstRunWizard.java:75)
at com.android.tools.idea.welcome.FirstRunWizardHost.setupWizard(FirstRunWizardHost.java:100)
at com.android.tools.idea.welcome.FirstRunWizardHost.getWelcomePanel(FirstRunWizardHost.java:92)
at com.intellij.openapi.wm.impl.welcomeScreen.WelcomeFrame.<init>(WelcomeFrame.java:68)
at com.intellij.openapi.wm.impl.welcomeScreen.WelcomeFrame.showNow(WelcomeFrame.java:173)
at com.intellij.idea.IdeaApplication$IdeStarter.main(IdeaApplication.java:302)
at com.intellij.idea.IdeaApplication.run(IdeaApplication.java:172)
... 16 more
可能有那么些不同，因为我弄好之后才发现好了。
我的解决方法是把网络关了，再打开 AS 就可以用了，接着再开网络，就可以正常使用AS了（仅供参考）