classes could not be instantiated: - android.support.v7.internal.widget.ActionBarOverlayLayout
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问题描述:
在Android Studio中新建一个Project,Activity的Design页面有错误提示:
The following classes could not be instantiated: - android.support.v7.internal.widget.ActionBarOverlayLayoutjava.lang.NoClassDefFoundError: Could not initialize class android.support.v7.internal.widget.ActionBarOverlayLayoutat sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)at java.lang.reflect.Constructor.newInstance(Constructor.java:526)at org.jetbrains.android.uipreview.ViewLoader.createNewInstance(ViewLoader.java:413)at org.jetbrains.android.uipreview.ViewLoader.loadView(ViewLoader.java:105)at com.android.tools.idea.rendering.LayoutlibCallback.loadView(LayoutlibCallback.java:177).......................................
解决办法:
打开文件res/values/styles.xml,
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar"> <!-- Customize your theme here. --></style> 修改为<style name="AppTheme" parent="Base.Theme.AppCompat.Light.DarkActionBar"> <!-- Customize your theme here. --></style>
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