成员的完整列表，这些成员属于 com.hyphenate.chat.EMCircleServerAttribute,包括所有继承而来的类成员

EMCircleServerAttribute()	com.hyphenate.chat.EMCircleServerAttribute
getBackground()	com.hyphenate.chat.EMCircleServerAttribute
getDesc()	com.hyphenate.chat.EMCircleServerAttribute
getEMObject()	com.hyphenate.chat.EMCircleServerAttribute
getExt()	com.hyphenate.chat.EMCircleServerAttribute
getIcon()	com.hyphenate.chat.EMCircleServerAttribute
getName()	com.hyphenate.chat.EMCircleServerAttribute
getType()	com.hyphenate.chat.EMCircleServerAttribute
setBackground(String backgroundUrl)	com.hyphenate.chat.EMCircleServerAttribute
setDesc(String desc)	com.hyphenate.chat.EMCircleServerAttribute
setExt(String ext)	com.hyphenate.chat.EMCircleServerAttribute
setIcon(String icon)	com.hyphenate.chat.EMCircleServerAttribute
setName(String name)	com.hyphenate.chat.EMCircleServerAttribute
setType(EMCircleServerType type)	com.hyphenate.chat.EMCircleServerAttribute