iOS开发之长按浮动操作选择项

我们一般会有长按一段文字显示气泡浮动操作选项的需求

我们常用的方法如下

cut:  

copy:

select:

selectAll:

paste:  

delete:  

_promptForReplace:  

_transliterateChinese:  

_showTextStyleOptions:  

_define:

_addShortcut:  

_accessibilitySpeak:  

_accessibilitySpeakLanguageSelection:  

_accessibilityPauseSpeaking:  

makeTextWritingDirectionRightToLeft:

makeTextWritingDirectionLeftToRight: