我在将Location从服务发送到自定义BroadcastReceiver时遇到问题。这是我的BroadcastReceiver.cs[BroadcastReceiver]classMyBroadcastReceiver:BroadcastReceiver{publicstaticreadonlystringGRID_STARTED="GRID_STARTED";publiceventEventHandlermOnLocationChanged;privateLocationlocation;publicoverridevoidOnReceive(Contextcontext,Inte

intent(Service)中setAction()是做什么的我不太明白setAction()的作用，我主要是在“服务到Activity数据传递”示例中找到它。字符串可以自由设置吗？它到底有什么作用？Whenabroadcastintentiscreated,itmustincludeanACTIONSTRINGinadditiontooptionaldataandacategorystring.Aswithstandardintents,dataisaddedtoabroadcastintentusingkey-valuepairsinconjunctionwiththeputEx