StepBarConfig config = new StepBarConfig()
.setBeanList(LinkedList<StepBarBean> beanList)
//if the value is not set, the icon will be automatically resized in the allowable range
.setIconCircleRadius()
//if the value is not set, then will be adjust automatically
.setOutsideIconRingWidth()
//set the text size in pixel units
.setTextSize()
//set StepBar show state
.setShowState(StepBarConfig.StepShowState.DYNAMIC)
//add progress control call back
.addStepCallback(StepBarConfig.StepCallback);
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