获取定位返回接口为空

[553559555]

`
void initState() {
super.initState();
setState(() {
this.isLoading = true;
});

AMapLocationClient.startup(new AMapLocationOption(
    desiredAccuracy: CLLocationAccuracy.kCLLocationAccuracyHundredMeters));

getCurrentLocation();

}
Future requestPermission() async {
final permissions = await PermissionHandler()
.requestPermissions([PermissionGroup.location]);

if (permissions[PermissionGroup.location] == PermissionStatus.granted) {
  return true;
} else {
  CLToast.showToast('需要定位权限');
  return false;
}

}

Future getCurrentLocation() async {
if (await requestPermission()) {
AMapLocation loc = await AMapLocationClient.getLocation(true);
log('123123123' + loc.latitude.toString() + loc.longitude.toString());
setState(() {
this._location = loc;
});
}
}`

D/AmapLocationPugin( 4608): 定位获取结果:0.0 code：7 省:
D/AmapLocationPugin( 4608): 定位获取结果:0.0 code：7 省: