city_picker

pub package

A city picker of china, 中国城市选择器

screenshot

图片

use

pubspec.yaml

latest_version: pub package

city_picker: $latest_version

import

import 'package:city_picker/city_picker.dart';

use

    CityResult result = await showCityPicker(context);
    String province = result?.province; // 省
    String city = result?.city; // 市
    String county = result?.county; // 地级市/县

init pick city

    CityResult result = await showCityPicker(context,
     initCity: CityResult()
       ..province = p1 // 省
       ..city = p2 // 市
       ..county = p3); // 地级市/县

城市数据

使用 json,数据来源为 python 爬虫爬取python_get_city_datas

真实数据来源国家统计局城乡划分 2018 版

LICENSE

copyright apache 2.0 for caijinglong

Libraries

city_picker

Dart

dart:ui
Built-in types and core primitives for a Flutter application. [...]

Core

dart:async
Support for asynchronous programming, with classes such as Future and Stream. [...]
dart:collection
Classes and utilities that supplement the collection support in dart:core. [...]
dart:convert
Encoders and decoders for converting between different data representations, including JSON and UTF-8. [...]
dart:core
Built-in types, collections, and other core functionality for every Dart program. [...]
dart:developer
Interact with developer tools such as the debugger and inspector. [...]
dart:math
Mathematical constants and functions, plus a random number generator. [...]
dart:typed_data
Lists that efficiently handle fixed sized data (for example, unsigned 8 byte integers) and SIMD numeric types. [...]

VM

dart:io
File, socket, HTTP, and other I/O support for non-web applications. [...]
dart:isolate
Concurrent programming using isolates: independent workers that are similar to threads but don't share memory, communicating only via messages. [...]