一、问题表现 1、打开二个主副关联数据表,由副表打印带图像表格后,点击主表(打开副表),出现下列错误: Project Best.exe raised exception class EAccessViolation with message 'Access violation at address 00402492 in module 'best.exe'.
自动引入Material Design之后,安卓有了三种按钮:浮动操作按钮 凸起按钮(Raised buttons) 扁平按钮 根据说明文档,凸起按钮的定义是:A typically rectangular material button that lifts and displays ink reactions on press. 但是为什么要抬起呢?难道你的手指是磁铁吗?当你按下一个真实的按