Firebase 尝试从Dart中的Firestore数据库在控制台中打印信息时出错
我正在尝试查询firestore数据库,将信息存储在数组中并打印它们。但每次我尝试在Dart配置中运行文件时,都会弹出一个错误。错误显示firestore插件中未找到Dart UI。下面是代码和错误日志Firebase 尝试从Dart中的Firestore数据库在控制台中打印信息时出错,firebase,dart,google-cloud-firestore,Firebase,Dart,Google Cloud Firestore,我正在尝试查询firestore数据库,将信息存储在数组中并打印它们。但每次我尝试在Dart配置中运行文件时,都会弹出一个错误。错误显示firestore插件中未找到Dart UI。下面是代码和错误日志 import 'dart:async'; import 'package:cloud_firestore/cloud_firestore.dart'; dynamic response; class getData { Future<void> callFunction()
import 'dart:async';
import 'package:cloud_firestore/cloud_firestore.dart';
dynamic response;
class getData {
Future<void> callFunction() async {
final Firestore databaseReference = Firestore.instance;
final Query query = databaseReference.collection('location_data');
final QuerySnapshot snapshot = await await query.getDocuments();
response = snapshot.documents;
print(response);
}
}
这似乎是IDE的问题:,…所以如果我在VS代码中运行相同的代码,那么它将按预期运行?
D:\flutter_windows_v1.9.1+hotfix.6-stable\flutter\bin\cache\dart-sdk\bin\dart.exe --enable-asserts --enable-vm-service:51548 "C:\Users\Adithya B. Shetty\Desktop\BEST Help\Project Repository\Bus Information System\Flutter Application\bus_information_system\bus_informatio_system\lib\DartFirebaseBackend.dart"
Observatory listening on http://127.0.0.1:51548/qe5U4P2pa5E=/
lib/DartFirebaseBackend.dart: Warning: Interpreting this as package URI, 'package:bus_informatio_system/DartFirebaseBackend.dart'.
/D:/flutter_windows_v1.9.1+hotfix.6-stable/flutter/.pub-cache/hosted/pub.dartlang.org/cloud_firestore-0.13.0+1/lib/cloud_firestore.dart:10:8: Error: Not found: 'dart:ui'
import 'dart:ui' show hashValues, hashList;
^
/D:/flutter_windows_v1.9.1+hotfix.6-stable/flutter/packages/flutter/lib/src/foundation/basic_types.dart:10:1: Error: Not found: 'dart:ui'
export 'dart:ui' show VoidCallback;
^
/D:/flutter_windows_v1.9.1+hotfix.6-stable/flutter/packages/flutter/lib/src/foundation/binding.dart:9:8: Error: Not found: 'dart:ui'
import 'dart:ui' as ui show saveCompilationTrace, Window, window;
^
/D:/flutter_windows_v1.9.1+hotfix.6-stable/flutter/packages/flutter/lib/src/foundation/key.dart:5:8: Error: Not found: 'dart:ui'
import 'dart:ui' show hashValues;
^
/D:/flutter_windows_v1.9.1+hotfix.6-stable/flutter/packages/flutter/lib/src/services/binary_messenger.dart:7:8: Error: Not found: 'dart:ui'
import 'dart:ui' as ui;
^
/D:/flutter_windows_v1.9.1+hotfix.6-stable/flutter/packages/flutter/lib/src/services/binding.dart:7:8: Error: Not found: 'dart:ui'
import 'dart:ui' as ui;
^
/D:/flutter_windows_v1.9.1+hotfix.6-stable/flutter/packages/flutter/lib/src/services/font_loader.dart:7:8: Error: Not found: 'dart:ui'
import 'dart:ui';
^
/D:/flutter_windows_v1.9.1+hotfix.6-stable/flutter/packages/flutter/lib/src/services/platform_messages.dart:7:8: Error: Not found: 'dart:ui'
import 'dart:ui' as ui;
^
/D:/flutter_windows_v1.9.1+hotfix.6-stable/flutter/packages/flutter/lib/src/services/platform_views.dart:7:8: Error: Not found: 'dart:ui'
import 'dart:ui';
^
/D:/flutter_windows_v1.9.1+hotfix.6-stable/flutter/packages/flutter/lib/src/services/raw_keyboard.dart:7:8: Error: Not found: 'dart:ui'
import 'dart:ui';
^
Process finished with exit code 254