/**
* set selectedData according to selected items in adapterData
*
* @return number of chosen items
*/
private String setSelectedData() {
String chosenNum = "";
for (int i = 0; i < adapterData.size(); i++) {
GoodsInformation singleData = adapterData.get(i);
if (singleData.getSelected()) {
String temp = i + " ";
chosenNum += temp;
selectedData.add(singleData);
}
}
return chosenNum;
}
