जब मैं स्पंदन आवेदन से वेब सेवा करने के लिए पोस्ट विधि का उपयोग कर अनुरोध अप्रत्याशित चरित्र त्रुटि आ रही है

वोट
0

मुझे क्या करना कोशिश कर रहा हूँ यूआरएल के लिए पोस्ट अनुरोध करने के लिए है, लेकिन मैं कह * स्वरूप अपवाद एक त्रुटि हो रहा है:।।? अप्रत्याशित चरित्र मैं स्पंदन आवेदन की अभी शुरुआत कर रहा हूँ हम की आवश्यकता नहीं है CSRF टोकन यदि शोकहारा अंत बिंदु CSRF टोकन सेट नहीं है, कोड काम करता है?

मैं गूगल पर तरीकों में से सबसे कोशिश की, लेकिन उनमें से कोई भी काम करता है।

class _SendingInfoState extends State<SendingInfo> {
  String id;
  String description;
  double longitude;
  double latitude;
  Geolocator _geolocator;
  Position _position;

  @override
  void initState() {
    super.initState();
    id = widget.id;
    description = widget.desc;

    _geolocator = Geolocator();
    updateLocation();
    LocationOptions locationOptions =
        LocationOptions(accuracy: LocationAccuracy.high, distanceFilter: 1);
    StreamSubscription positionStream = _geolocator
        .getPositionStream(locationOptions)
        .listen((Position position) {
      _position = position;
    });
  }

  void updateLocation() async {
    try {
      Position newPosition = await Geolocator()
          .getCurrentPosition(desiredAccuracy: LocationAccuracy.high)
          .timeout(new Duration(seconds: 5));
      longitude = _position.longitude;
      latitude = _position.latitude;
      setState(() {
        _position = newPosition;
      });
    } catch (e) {
      print('Error: ${e.toString()}');
    }
  }

  Future sendRequest(String id, String desc, double lat, double lon) async {
    print(id:  +
        id +
          Desc:  +
        desc +
          lat:   +
        lat.toString() +
          lon:  +
        lon.toString());

    final sendData = await http.get(
      http://developer.kensnz.com/api/addlocdata?userid= +
          id +
          &latitude= +
          lat.toString() +
          &longitude= +
          lon.toString() +
          &description= +
          desc,
    );

    print(sendData.body);
  }

  Future<Map<String, dynamic>> sendRequestWithPost(
      String id, String desc, double lat, double lon) async {
    var client = http.Client();
    Map<String, dynamic> requestBody = {
      userid: id,
      latitude: lat,
      longitude: lon,
      description: desc
    };
    print(id:  +
        id +
          Desc:  +
        desc +
          lat:   +
        lat.toString() +
          lon:  +
        lon.toString());
    String url = post request URL!!!;

    final response = await client.post(
      Uri.encodeFull(url),
      body: 
      {
       userid: $id,
      latitude: $lat,
      longitude: $lon,
      description: $desc

      }

       ,
    ).whenComplete(client.close);

    if (!mounted) {
      return {'success': false};
    }
    setState(() {
      var res = json.decode(response.body);
      print(res);
    });
    return json.decode(response.body);
  }

  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      appBar: AppBar(
        backgroundColor: Colors.amber,
        title: Text(Location Sender),
        actions: <Widget>[
          Padding(
            child: Icon(Icons.search),
            padding: const EdgeInsets.only(right: 10.0),
          )
        ],
      ),
      body: new Center(
        child: Padding(
          padding: const EdgeInsets.all(20.0),
          child: new Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            mainAxisAlignment: MainAxisAlignment.center,
            children: <Widget>[
              new Text(
                ID: ${widget.id},
                style: Theme.of(context).textTheme.title,
              ),
              new Text(
                DESCRIPTION: ${widget.desc},
                style: Theme.of(context).textTheme.title,
              ),
              new Text(
                LATITUDE: ${_position != null ? _position.latitude.toString() : '0'},
                style: Theme.of(context).textTheme.title,
              ),
              new Text(
                LONGITUDE: ${_position != null ? _position.longitude.toString() : '0'},
                style: Theme.of(context).textTheme.title,
              ),
              SizedBox(
                height: 150,
              ),
              new ListTile(
                title: new RaisedButton(
                  padding: EdgeInsets.all(25),
                  textTheme: ButtonTextTheme.primary,
                  color: Colors.amber,
                  child: new Text(POST LOCATION),
                  onPressed: () {
                    sendRequestWithPost(id, description, latitude, longitude);
                  },
                ),
              ),
            ],
          ),
        ),
      ),
      //  new Text(${widget.id}),
      // new Text(${widget.desc}),
    );
  }
}

त्रुटि

[ERROR:flutter/lib/ui/ui_dart_state.cc(148)] Unhandled Exception: FormatException: Unexpected character (at character 1)
E/flutter (17219): <!DOCTYPE html>
E/flutter (17219): ^
E/flutter (17219):
E/flutter (17219): #0      _ChunkedJsonParser.fail (dart:convert-patch/convert_patch.dart:1392:5)
E/flutter (17219): #1      _ChunkedJsonParser.parseNumber (dart:convert-patch/convert_patch.dart:1259:9)
E/flutter (17219): #2      _ChunkedJsonParser.parse (dart:convert-patch/convert_patch.dart:924:22)
E/flutter (17219): #3      _parseJson (dart:convert-patch/convert_patch.dart:29:10)
E/flutter (17219): #4      JsonDecoder.convert (dart:convert/json.dart:493:36)
E/flutter (17219): #5      JsonCodec.decode (dart:convert/json.dart:151:41)
E/flutter (17219): #6      _SendingInfoState.sendRequestWithPost.<anonymous closure> (package:algorithm_send_location/pages/home_screen.dart:178:22)
E/flutter (17219): #7      State.setState (package:flutter/src/widgets/framework.dart:1141:30)
E/flutter (17219): #8      _SendingInfoState.sendRequestWithPost (package:algorithm_send_location/pages/home_screen.dart:177:5)
E/flutter (17219): <asynchronous suspension>
E/flutter (17219): #9      _SendingInfoState.build.<anonymous closure> (package:algorithm_send_location/pages/home_screen.dart:230:21)
E/flutter (17219): #10     _InkResponseState._handleTap (package:flutter/src/material/ink_well.dart:635:14)
E/flutter (17219): #11     _InkResponseState.build.<anonymous closure> (package:flutter/src/material/ink_well.dart:711:32)
E/flutter (17219): #12     GestureRecognizer.invokeCallback (package:flutter/src/gestures/recognizer.dart:182:24)
E/flutter (17219): #13     TapGestureRecognizer._checkUp (package:flutter/src/gestures/tap.dart:365:11)
E/flutter (17219): #14     TapGestureRecognizer.handlePrimaryPointer (package:flutter/src/gestures/tap.dart:275:7)
E/flutter (17219): #15     PrimaryPointerGestureRecognizer.handleEvent (package:flutter/src/gestures/recognizer.dart:455:9)
E/flutter (17219): #16     PointerRouter._dispatch (package:flutter/src/gestures/pointer_router.dart:75:13)
E/flutter (17219): #17     PointerRouter.route (package:flutter/src/gestures/pointer_router.dart:102:11)
E/flutter (17219): #18     _WidgetsFlutterBinding&BindingBase&GestureBinding.handleEvent (package:flutter/src/gestures/binding.dart:218:19)
E/flutter (17219): #19     _WidgetsFlutterBinding&BindingBase&GestureBinding.dispatchEvent (package:flutter/src/gestures/binding.dart:198:22)
E/flutter (17219): #20     _WidgetsFlutterBinding&BindingBase&GestureBinding._handlePointerEvent (package:flutter/src/gestures/binding.dart:156:7)
E/flutter (17219): #21     _WidgetsFlutterBinding&BindingBase&GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:102:7)
E/flutter (17219): #22     _WidgetsFlutterBinding&BindingBase&GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:86:7)
E/flutter (17219): #23     _rootRunUnary (dart:async/zone.dart:1136:13)
E/flutter (17219): #24     _CustomZone.runUnary (dart:async/zone.dart:1029:19)
E/flutter (17219): #25     _CustomZone.runUnaryGuarded (dart:async/zone.dart:931:7)
E/flutter (17219): #26     _invoke1 (dart:ui/hooks.dart:250:10)
E/flutter (17219): #27     _dispatchPointerDataPacket (dart:ui/hooks.dart:159:5)

09/10/2019 को 12:57
का स्रोत उपयोगकर्ता
अन्य भाषाओं में...                            


1 जवाब

वोट
1

प्रतिक्रिया मिल रहा है JSON की बजाय HTML है, यही कारण है कि आप एक FormatException है है

09/10/2019 को 13:29
का स्रोत उपयोगकर्ता

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