出现:Rendering Problems the following classes could not be found:android.support.v7.internal.widget.ActionBarOverlayLayout (Fix Build Path, Edit XML, Create Class) Tip: Try to build the project不能显示图形化界面 解决办法: style文件中theme改一下 在Theme.AppCompat.Light.Dar…
activity_main.xml选择Design显示rendering problems no render target selected 在stackOverflow上找到了答案: You need to run the AVD Manager to add a virtual device that matches the target API version your project is set to. Click Tools->Android->AVD Manager. Clic…