Here is the default title of spreader
Two states are available: in (+) and out (-).
You can override default titles by spreaderInTitle and spreaderOutTitle properties.
Title of spreader can be an icon as navTitle.
Spreader's size is customizable by spreaderInPercent and spreaderOutPercent properties.
PieSpreader can appear less than 360 degree by spreaderStartAngle and spreaderSliceAngle properties.