A pull refresh widget for IOS and android

1 use headerView under android
2 use pullView under IOS
3 only support table view. if you want to use it in listview check https://github.com/Sprite-sy/TiListViewScrollEvent

usage

1 include <Widget src="com.ss.pullRefresh" id="pr" onPullrefresh="onPullrefresh"/> in alloy XML
2 add and init call in your code, like:  $.pr.init({ table : parentTableView});
3 implement your onPullrefresh function. 
3 demopr include a simple workable sample