nigeria_states_geography 1.0.0

A Flutter package that provides a list of Nigeria states and their capitals

example/nigeria_states_geography_example.dart

import 'package:flutter/material.dart';
import 'package:nigeria_states_geography/nigeria_states_geography.dart';

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key});

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  List<StatesAndCapitalModel> _states = [];
  List<String> _capitals = [];

  @override
  void initState() {
    super.initState();
    _loadStatesAndCapital();
    _loadAllCapitals();
  }

  /// a void function that loads the static method in [NigeriaGeography] class. the method [getAllStatesAndCapital] returns a list of model created[StatesAndCapitalModel]. [_states] an empty list that [_loadStatesAndCapital] appends the items returned by the method [getAllStatesAndCapital] to.
  Future<void> _loadStatesAndCapital() async {
    try {
      final states = await NigeriaGeography.getAllStatesAndCapitals();
      setState(() {
        _states = states;
      });
    } catch (e) {
      /// Handle the error (e.g., show a snackbar to the user)
      print('Error loading states: $e');
      SnackBar(
        content: Text(
          e.toString(),
        ),
      );
    }
  }

  /// a void function that loads the static method in [NigeriaGeography] class. the method [getAllCapitals] returns a list of Strings. [_capitals] an empty list that [_loadAllCapitals] appends the items returned by the method [getAllCapitals] to.
  Future<void> _loadAllCapitals() async {
    try {
      final capitalList = await NigeriaGeography.getAllCapitals();
      setState(() {
        _capitals = capitalList;
      });
    } catch (e) {
      /// Handle the error (e.g., show a snackbar to the user)
      print('Error loading states: $e');
      SnackBar(
        content: Text(
          e.toString(),
        ),
      );
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Nigerian States'),
      ),
      body: Column(
        children: [
          ListView.builder(
            itemCount: _capitals.length,
            itemBuilder: (context, index) {
              // This variable holds the index of each String[capital]. The .dot builder method from Listview class now helps to iterate. the _capital List using the index
              final capitalList = _capitals[index];
              return ListTile(
                title: Text(capitalList),
              );
            },
          ),
          ListView.builder(
            itemCount: _states.length,
            itemBuilder: (context, index) {
              final stateList = _states[index];
              return ListTile(
                title: Text(stateList.state),
                subtitle: Text(stateList.capital),
              );
            },
          ),
        ],
      ),
    );
  }
}