我在XML布局文件中有一个glowpadview问题。我的布局代码是:我收到以下错误:Thefollowingclassescouldnotbeinstantiated:-com.fima.glowpadview.GlowPadView(OpenClass,ShowErrorLog)SeetheErrorLog(Window>ShowView)formoredetails.Tip:UseView.isInEditMode()inyourcustomviewstoskipcodewhenshowninEclipsejava.lang.IllegalStateException:Musts