出于某种原因，我无法查看activity_main.xml的图形布局。 当我打开eclipse时，这就是我得到的信息：
Write access not allowed during rendering ((id=844))
Exception details are logged in Window > Show View > Error Log
这是我的错误日志：
java.lang.ClassFormatError: Unexpected error from weaving hook.
at org.eclipse.osgi.internal.weaving.WeavingHookConfigurator.processClass(WeavingHookConfigurator.java:62)
at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.defineClass(ClasspathManager.java:616)
at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findClassImpl(ClasspathManager.java:588)
at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClassImpl(ClasspathManager.java:540)
at org.eclipse.osgi.internal.loader.classpath.ClasspathManager.findLocalClass(ClasspathManager.java:527)
at org.eclipse.osgi.internal.loader.ModuleClassLoader.findLocalClass(ModuleClassLoader.java:324)
at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:311)
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:386)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:336)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:328)
at org.eclipse.osgi.internal.loader.ModuleClassLoader.loadClass(ModuleClassLoader.java:160)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at com.android.layoutlib.bridge.Bridge.createSession(Bridge.java:324)
at com.android.ide.common.rendering.LayoutLibrary.createSession(LayoutLibrary.java:332)
at com.android.ide.eclipse.adt.internal.editors.layout.gle2.RenderService.createRenderSession(RenderService.java:517)
at com.android.ide.eclipse.adt.internal.editors.layout.gle2.GraphicalEditorPart.renderWithBridge(GraphicalEditorPart.java:1584)
at com.android.ide.eclipse.adt.internal.editors.layout.gle2.GraphicalEditorPart.recomputeLayout(GraphicalEditorPart.java:1309)
at com.android.ide.eclipse.adt.internal.editors.layout.gle2.GraphicalEditorPart.changed(GraphicalEditorPart.java:725)
at com.android.ide.eclipse.adt.internal.editors.layout.gle2.GraphicalEditorPart.onTargetChange(GraphicalEditorPart.java:1196)
at com.android.ide.eclipse.adt.internal.editors.layout.LayoutEditorDelegate.onDescriptorsChanged(LayoutEditorDelegate.java:916)
at com.android.ide.eclipse.adt.internal.editors.layout.LayoutEditorDelegate.delegateInitUiRootNode(LayoutEditorDelegate.java:835)
at com.android.ide.eclipse.adt.internal.editors.layout.gle2.GraphicalEditorPart$TargetListener.updateEditor(GraphicalEditorPart.java:953)
at com.android.ide.eclipse.adt.internal.editors.layout.gle2.GraphicalEditorPart$TargetListener.onTargetLoaded(GraphicalEditorPart.java:917)
at com.android.ide.eclipse.adt.AdtPlugin$11.run(AdtPlugin.java:1749)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:136)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4147)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3764)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:636)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:579)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:135)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:382)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:236)
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:648)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603)
at org.eclipse.equinox.launcher.Main.run(Main.java:1465)
at org.eclipse.equinox.launcher.Main.main(Main.java:1438) Caused by: Write access not allowed during rendering ((id=844))
at com.android.ide.common.rendering.RenderSecurityException.create(RenderSecurityException.java:52)
at com.android.ide.common.rendering.RenderSecurityManager.checkPermission(RenderSecurityManager.java:620)
at org.eclipse.osgi.internal.weaving.WovenClassImpl.checkPermission(WovenClassImpl.java:92)
at org.eclipse.osgi.internal.weaving.WovenClassImpl.getBytes(WovenClassImpl.java:68)
at org.eclipse.objectteams.internal.osgi.weaving.OTWeavingHook.weave(OTWeavingHook.java:160)
at org.eclipse.osgi.internal.weaving.WovenClassImpl.call(WovenClassImpl.java:160)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.notifyHookPrivileged(ServiceRegistry.java:1280)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.notifyHooksPrivileged(ServiceRegistry.java:1263)
at org.eclipse.osgi.internal.weaving.WovenClassImpl$3.run(WovenClassImpl.java:247)
at org.eclipse.osgi.internal.weaving.WovenClassImpl$3.run(WovenClassImpl.java:1)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.internal.weaving.WovenClassImpl.callHooks(WovenClassImpl.java:245)
at org.eclipse.osgi.internal.weaving.WeavingHookConfigurator.processClass(WeavingHookConfigurator.java:56)
... 72 moret
错误日志中有更多消息。但他们似乎都是一样的。在“打开方式”菜单中，我没有“Android布局编辑器”选项。
这是我的.xml文件：
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
tools:context="com.example.app2.MainActivity" >
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="681dp"
android:clickable="true"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin" >
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="20dp"
android:text="@string/welcome_"
android:textAppearance="?android:attr/textAppearanceLarge"
android:textColor="#FF0000"
android:textSize="50sp" />
<TextView
android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/textView1"
android:layout_below="@+id/textView1"
android:text="@string/please_insert_personal_infromation_"
android:textAppearance="?android:attr/textAppearanceMedium" />
<EditText
android:id="@+id/editText5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editText4"
android:layout_below="@+id/editText4"
android:layout_marginTop="38dp"
android:ems="10"
android:inputType="textPostalAddress" />
<TextView
android:id="@+id/textView3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editText5"
android:layout_below="@+id/editText4"
android:layout_marginTop="15dp"
android:text="@string/your_home_address_" />
<TextView
android:id="@+id/textView4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editText5"
android:layout_below="@+id/editText5"
android:layout_marginTop="16dp"
android:text="@string/tell_us_about_your_self"
android:textAppearance="?android:attr/textAppearanceSmall" />
<EditText
android:id="@+id/editText6"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/textView4"
android:layout_below="@+id/textView4"
android:ems="10"
android:inputType="textMultiLine" />
<TextView
android:id="@+id/textView5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/textView2"
android:layout_below="@+id/textView2"
android:text="@string/first_name"
android:textAppearance="?android:attr/textAppearanceSmall" />
<EditText
android:id="@+id/editText1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/textView5"
android:layout_below="@+id/textView5"
android:ems="10"
android:hint="@string/bod"
android:inputType="textPersonName" />
<TextView
android:id="@+id/textView6"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editText2"
android:layout_below="@+id/editText1"
android:layout_marginTop="14dp"
android:text="@string/last_name"
android:textAppearance="?android:attr/textAppearanceSmall" />
<EditText
android:id="@+id/editText2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editText1"
android:layout_below="@+id/textView6"
android:ems="10"
android:hint="@string/dilan"
android:inputType="textPersonName" />
<TextView
android:id="@+id/textView7"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editText3"
android:layout_below="@+id/editText2"
android:text="@string/email"
android:textAppearance="?android:attr/textAppearanceSmall" />
<EditText
android:id="@+id/editText4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editText3"
android:layout_below="@+id/textView8"
android:ems="10"
android:hint="@string/_000_000_0000"
android:inputType="phone" />
<EditText
android:id="@+id/editText3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editText2"
android:layout_below="@+id/textView7"
android:ems="10"
android:hint="@string/someone_example_co_"
android:inputType="textEmailAddress" >
<requestFocus />
</EditText>
<TextView
android:id="@+id/textView8"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/editText4"
android:layout_below="@+id/editText3"
android:layout_marginTop="22dp"
android:text="@string/phone_number"
android:textAppearance="?android:attr/textAppearanceSmall" />
<TextView
android:id="@+id/textView9"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="@+id/button1"
android:textAppearance="?android:attr/textAppearanceSmall" />
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/editText6"
android:layout_centerHorizontal="true"
android:layout_marginTop="23dp"
android:onClick="func"
android:text="@string/submit_" />
<Button
android:id="@+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_above="@+id/textView9"
android:layout_toLeftOf="@+id/button1"
android:text="@string/submit_"
android:onClick="func2" />
<TextView
android:id="@+id/textView10"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignRight="@+id/button2"
android:layout_below="@+id/textView9"
android:textAppearance="?android:attr/textAppearanceMedium" />
</RelativeLayout>
谢谢！