rename application package 遇到的exception

一个项目需要有两个分支，运行在同一台手机上，所以需要快速的能切换package名称，

使用android自带功能，

右键工程->Android Tools->rename application package  这时遇到异常

java.lang.reflect.InvocationTargetException
 at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:421)
 at org.eclipse.ui.internal.WorkbenchWindow$13.run(WorkbenchWindow.java:1666)
 at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
 at org.eclipse.ui.internal.WorkbenchWindow.run(WorkbenchWindow.java:1663)
 at org.eclipse.ltk.ui.refactoring.RefactoringWizard.createChange(RefactoringWizard.java:663)
 at org.eclipse.ltk.ui.refactoring.RefactoringWizard.computeUserInputSuccessorPage(RefactoringWizard.java:502)
 at org.eclipse.ltk.ui.refactoring.RefactoringWizard.getStartingPage(RefactoringWizard.java:472)
 at org.eclipse.jface.wizard.WizardDialog.showStartingPage(WizardDialog.java:1271)
 at org.eclipse.jface.wizard.WizardDialog.createContents(WizardDialog.java:610)
 at org.eclipse.jface.window.Window.create(Window.java:431)
 at org.eclipse.jface.dialogs.Dialog.create(Dialog.java:1089)
 at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation$1.run(RefactoringWizardOpenOperation.java:178)
 at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
 at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation.run(RefactoringWizardOpenOperation.java:202)
 at org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation.run(RefactoringWizardOpenOperation.java:122)
 at com.android.ide.eclipse.adt.internal.refactorings.renamepackage.RenamePackageAction.initiateAndroidPackageRefactoring(RenamePackageAction.java:168)
 at com.android.ide.eclipse.adt.internal.refactorings.renamepackage.RenamePackageAction.promptNewName(RenamePackageAction.java:151)
 at com.android.ide.eclipse.adt.internal.refactorings.renamepackage.RenamePackageAction.run(RenamePackageAction.java:106)
 at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:251)
 at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584)
 at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501)
 at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411)
 at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
 at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
 at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4169)
 at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3758)
 at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1022)
 at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
 at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:916)
 at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:86)
 at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:585)
 at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
 at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:540)
 at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
 at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)
 at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
 at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
 at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:353)
 at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
 at java.lang.reflect.Method.invoke(Unknown Source)
 at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629)
 at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584)
 at org.eclipse.equinox.launcher.Main.run(Main.java:1438)
 at org.eclipse.equinox.launcher.Main.main(Main.java:1414)
Caused by: java.lang.NullPointerException
 at com.android.ide.eclipse.adt.internal.refactorings.renamepackage.ApplicationPackageNameRefactoring.updateJavaFileImports(ApplicationPackageNameRefactoring.java:149)
 at com.android.ide.eclipse.adt.internal.refactorings.renamepackage.ApplicationPackageNameRefactoring$JavaFileVisitor.visit(ApplicationPackageNameRefactoring.java:426)
 at org.eclipse.core.internal.resources.Resource$2.visit(Resource.java:126)
 at org.eclipse.core.internal.resources.Resource$1.visitElement(Resource.java:85)
 at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:82)
 at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86)
 at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86)
 at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86)
 at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86)
 at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86)
 at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86)
 at org.eclipse.core.internal.watson.ElementTreeIterator.iterate(ElementTreeIterator.java:127)
 at org.eclipse.core.internal.resources.Resource.accept(Resource.java:95)
 at org.eclipse.core.internal.resources.Resource.accept(Resource.java:52)
 at org.eclipse.core.internal.resources.Resource.accept(Resource.java:124)
 at org.eclipse.core.internal.resources.Resource.accept(Resource.java:108)
 at com.android.ide.eclipse.adt.internal.refactorings.renamepackage.ApplicationPackageNameRefactoring.createChange(ApplicationPackageNameRefactoring.java:126)
 at org.eclipse.ltk.core.refactoring.CreateChangeOperation.run(CreateChangeOperation.java:124)
 at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2344)
 at org.eclipse.ltk.internal.ui.refactoring.WorkbenchRunnableAdapter.run(WorkbenchRunnableAdapter.java:87)
 at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)
Root exception:
java.lang.NullPointerException
 at com.android.ide.eclipse.adt.internal.refactorings.renamepackage.ApplicationPackageNameRefactoring.updateJavaFileImports(ApplicationPackageNameRefactoring.java:149)
 at com.android.ide.eclipse.adt.internal.refactorings.renamepackage.ApplicationPackageNameRefactoring$JavaFileVisitor.visit(ApplicationPackageNameRefactoring.java:426)
 at org.eclipse.core.internal.resources.Resource$2.visit(Resource.java:126)
 at org.eclipse.core.internal.resources.Resource$1.visitElement(Resource.java:85)
 at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:82)
 at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86)
 at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86)
 at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86)
 at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86)
 at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86)
 at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86)
 at org.eclipse.core.internal.watson.ElementTreeIterator.iterate(ElementTreeIterator.java:127)
 at org.eclipse.core.internal.resources.Resource.accept(Resource.java:95)
 at org.eclipse.core.internal.resources.Resource.accept(Resource.java:52)
 at org.eclipse.core.internal.resources.Resource.accept(Resource.java:124)
 at org.eclipse.core.internal.resources.Resource.accept(Resource.java:108)
 at com.android.ide.eclipse.adt.internal.refactorings.renamepackage.ApplicationPackageNameRefactoring.createChange(ApplicationPackageNameRefactoring.java:126)
 at org.eclipse.ltk.core.refactoring.CreateChangeOperation.run(CreateChangeOperation.java:124)
 at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2344)
 at org.eclipse.ltk.internal.ui.refactoring.WorkbenchRunnableAdapter.run(WorkbenchRunnableAdapter.java:87)
 at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)

 

 

网上找了一圈也没有发现解决办法，后来原因找到了：

在工程中，有人添加了一个Activity,但这个Activity被整个注释掉了，所以产生了这个异常。将它删除掉。能够完美的更改工程包名。