private void Init(Context context) { Location = new LocationClient(context); Listener = new LocationListerner(); CallBack = new LocationCallBack(); Location.RegisterLocationListener(Listener); Location.RegisterLocationListener(CallBack); LocationClientOption option = new LocationClientOption(); option.AddrType = "all"; option.CoorType = "bd09ll"; option.DisableCache(true); option.Priority = LocationClientOption.NetWorkFirst; Location.LocOption = option; MapManager = new BMapManager(context); ApplicationInfo info = context.PackageManager.GetApplicationInfo(context.PackageName, PackageInfoFlags.MetaData); Api_Key = info.MetaData.GetString(API_KEY_METADATA_KEY); }