getCashAd method
Implementation
LoadResultData? getCashAd(){
List<LoadResultData> list=[];
for (var value in _resultMap.keys) {
var data = _resultMap[value];
if(null!=data&&checkHasCache(data.adBean.adId)){
list.add(data);
}
}
if(list.isEmpty){
return null;
}
list.sort((a, b) => (b.revenue).compareTo(a.revenue));
return list.first;
}