錯誤與ADT /圖形佈局

Question

我試圖在圖形佈局顯示屏來查看我的佈局，只有這樣，我看到一個nullpointerexception和錯誤layout.xml: NoClassDefFoundError: Could not initialize class android.widget.TextView和另一個錯誤是這樣的：

java.lang.NullPointerException 
at android.graphics.Paint.measureText(Paint.java:801) 
at android.graphics.Paint.measureText(Paint.java:874) 
at android.widget.TextView.<clinit>(TextView.java:292) 
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) 
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) 
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) 
at java.lang.reflect.Constructor.newInstance(Constructor.java:513) 
at android.view.LayoutInflater.createView(LayoutInflater.java:500) 
at android.view.BridgeInflater.onCreateView(BridgeInflater.java:77) 
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:563) 
at android.view.BridgeInflater.createViewFromTag(BridgeInflater.java:122) 
at android.view.LayoutInflater.rInflate(LayoutInflater.java:618) 
at android.view.LayoutInflater.rInflate(LayoutInflater.java:621) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:407) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:296) 
at com.android.layoutlib.bridge.Bridge.computeLayout(Bridge.java:397) 
at com.android.ide.common.rendering.LayoutLibrary.createLegacySession(LayoutLibrary.java:492) 
at com.android.ide.common.rendering.LayoutLibrary.createSession(LayoutLibrary.java:337) 
at com.android.ide.eclipse.adt.internal.editors.layout.gle2.GraphicalEditorPart.renderWithBridge(GraphicalEditorPart.java:1510) 
at com.android.ide.eclipse.adt.internal.editors.layout.gle2.GraphicalEditorPart.renderWithBridge(GraphicalEditorPart.java:1347) 
at com.android.ide.eclipse.adt.internal.editors.layout.gle2.GraphicalEditorPart.recomputeLayout(GraphicalEditorPart.java:1078) 
at com.android.ide.eclipse.adt.internal.editors.layout.gle2.GraphicalEditorPart$ConfigListener.onConfigurationChange(GraphicalEditorPart.java:500) 
at com.android.ide.eclipse.adt.internal.editors.layout.gle2.GraphicalEditorPart.onTargetChange(GraphicalEditorPart.java:980) 
at com.android.ide.eclipse.adt.internal.editors.layout.LayoutEditor.onDescriptorsChanged(LayoutEditor.java:587) 
at com.android.ide.eclipse.adt.internal.editors.layout.LayoutEditor.initUiRootNode(LayoutEditor.java:509) 
at com.android.ide.eclipse.adt.internal.editors.layout.gle2.GraphicalEditorPart$TargetListener.updateEditor(GraphicalEditorPart.java:794) 
at com.android.ide.eclipse.adt.internal.editors.layout.gle2.GraphicalEditorPart$TargetListener.onTargetLoaded(GraphicalEditorPart.java:759) 
at com.android.ide.eclipse.adt.AdtPlugin$13.run(AdtPlugin.java:1651) 
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) 
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134) 
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3593) 
at org.eclipse.swt.widgets.Display.observerProc(Display.java:3234) 
at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method) 
at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:220) 
at org.eclipse.swt.widgets.Widget.mouseDownSuper(Widget.java:1025) 
at org.eclipse.swt.widgets.Widget.mouseDown(Widget.java:1021) 
at org.eclipse.swt.widgets.Control.mouseDown(Control.java:2263) 
at org.eclipse.swt.widgets.Combo.mouseDown(Combo.java:981) 
at org.eclipse.swt.widgets.Display.windowProc(Display.java:4983) 
at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method) 
at org.eclipse.swt.widgets.Widget.callSuper(Widget.java:220) 
at org.eclipse.swt.widgets.Widget.windowSendEvent(Widget.java:1959) 
at org.eclipse.swt.widgets.Shell.windowSendEvent(Shell.java:2025) 
at org.eclipse.swt.widgets.Display.windowProc(Display.java:5047) 
at org.eclipse.swt.internal.cocoa.OS.objc_msgSendSuper(Native Method) 
at org.eclipse.swt.widgets.Display.applicationSendEvent(Display.java:4589) 
at org.eclipse.swt.widgets.Display.applicationProc(Display.java:4666) 
at org.eclipse.swt.internal.cocoa.OS.objc_msgSend(Native Method) 
at org.eclipse.swt.internal.cocoa.NSApplication.sendEvent(NSApplication.java:115) 
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3281) 
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640) 
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604) 
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438) 
at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671) 
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) 
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664) 
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) 
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115) 
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:369) 
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) 
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 
at java.lang.reflect.Method.invoke(Method.java:597) 
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:620) 
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:575) 
at org.eclipse.equinox.launcher.Main.run(Main.java:1408) 

能有什麼我需要解決這個問題嗎？

Answer 1

沒有工作，所以我剛安裝MOTODEV，這一切工作了。

Answer 2

我都面臨着與此相關的問題不完全是這樣，但相關的東西

所以你應該在你的系統重新安裝你的JDK和JRE，然後運行Eclipse，如果相同的未解決再嘗試重新安裝一次日食，因爲有時在文件中的插頭損壞，由於任何原因

所以你應該試試這個