setCardTradeMode method
Implementation
void setCardTradeMode(CardTradeMode cardTradeMode){
Map<String, String> params = Map<String, String>();
params['cardTradeMode'] = cardTradeMode.toString().split(".")[1];
print("dart:cardtrademode "+cardTradeMode.toString().split(".")[1]);
_methodChannel.invokeMethod('setCardTradeMode',params);
}