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Description:

csc picker

csc_picker #

A flutter package to display a country, states, and cities. In addition it gives the possibility to select a list of countries, States and Cities depends on Selected, also you can search country, state, and city all around the world.

How to Use #
To use this Package, add csc_picker as a dependency in your pubspec.yaml.
CSCPicker(
onCountryChanged: (value) {
setState(() {
countryValue = value;
});
},
onStateChanged:(value) {
setState(() {
stateValue = value;
});
},
onCityChanged:(value) {
setState(() {
cityValue = value;
});
},
),
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you will get feedback in onChanged functions
Parameters #

ParametersTypeDescription
flagStateCountryFlagEnable (get flag with country name) / Disable (Disable flag) / ShowInDropdownOnly (display flag in dropdown only)
layoutLayoutToggle dropdown layout (Horizontal / Vertical)
showStatesBoolean Enable disable States dropdown (true / false)
showCitiesBoolean Enable disable Cities dropdown (true / false)
dropdownDecorationBoxDecorationDropdown box decoration to style your dropdown selector [OPTIONAL PARAMETER] (USE with disabledDropdownDecoration)
disabledDropdownDecorationBoxDecorationDisabled Dropdown box decoration to style your dropdown selector [OPTIONAL PARAMETER] (USE with disabled dropdownDecoration)
selectedItemStyleTextStyleTo change selected item style
dropdownHeadingStyleTextStyleTo change DropdownDialog Heading style
dropdownItemStyleTextStyleTo change DropdownDialog Item style
dropdownDialogRadiusdoubleTo change DropdownDialogBox radius
searchBarRadiusdoubleTo change search bar radius
defaultCountryCscCountryTo select default country
disableCountryBooleanDisable country dropdown (Note: use it with default country)
countryFilterList of CscCountryShow only countries in dropdown that you want
countrySearchPlaceholderStringPlaceholder for country search field
stateSearchPlaceholderStringPlaceholder for state search field
citySearchPlaceholderStringPlaceholder for city search field
countryDropdownLabelStringLabel/Title for country dropdown
countryDropdownLabelStringLabel/Title for state dropdown
countryDropdownLabelStringLabel/Title for city dropdown

Example #
import 'package:csc_picker/csc_picker.dart';
import 'package:flutter/material.dart';

/// This is a implementation of the Country State City Picker.
void main() {
runApp(MyApp());
}

class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'CSC Picker',
theme: ThemeData(
primarySwatch: Colors.blue,
visualDensity: VisualDensity.adaptivePlatformDensity,
),
home: MyHomePage(title: 'CSC Picker'),
);
}
}

class MyHomePage extends StatefulWidget {
MyHomePage({Key key, this.title}) : super(key: key);

final String title;

@override
_MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
/// Variables to store country state city data in onChanged method.
String countryValue = "";
String stateValue = "";
String cityValue = "";
String address = "";

@override
Widget build(BuildContext context) {

GlobalKey<CSCPickerState> _cscPickerKey = GlobalKey();

return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: Center(
child: Container(
padding: EdgeInsets.symmetric(horizontal: 20),
height: 600,
child: Column(
children: [
///Adding CSC Picker Widget in app
CSCPicker(
///Enable disable state dropdown [OPTIONAL PARAMETER]
showStates: true,

/// Enable disable city drop down [OPTIONAL PARAMETER]
showCities: true,

///Enable (get flag with country name) / Disable (Disable flag) / ShowInDropdownOnly (display flag in dropdown only) [OPTIONAL PARAMETER]
flagState: CountryFlag.DISABLE,

///Dropdown box decoration to style your dropdown selector [OPTIONAL PARAMETER] (USE with disabledDropdownDecoration)
dropdownDecoration: BoxDecoration(
borderRadius: BorderRadius.all(Radius.circular(10)),
color: Colors.white,
border:
Border.all(color: Colors.grey.shade300, width: 1)),

///Disabled Dropdown box decoration to style your dropdown selector [OPTIONAL PARAMETER] (USE with disabled dropdownDecoration)
disabledDropdownDecoration: BoxDecoration(
borderRadius: BorderRadius.all(Radius.circular(10)),
color: Colors.grey.shade300,
border:
Border.all(color: Colors.grey.shade300, width: 1)),

///placeholders for dropdown search field
countrySearchPlaceholder: "Country",
stateSearchPlaceholder: "State",
citySearchPlaceholder: "City",

///labels for dropdown
countryDropdownLabel: "*Country",
stateDropdownLabel: "*State",
cityDropdownLabel: "*City",

///Default Country
//defaultCountry: CscCountry.India,

///Disable country dropdown (Note: use it with default country)
//disableCountry: true,

///Country Filter [OPTIONAL PARAMETER]
countryFilter: [CscCountry.India,CscCountry.United_States,CscCountry.Canada],

///selected item style [OPTIONAL PARAMETER]
selectedItemStyle: TextStyle(
color: Colors.black,
fontSize: 14,
),

///DropdownDialog Heading style [OPTIONAL PARAMETER]
dropdownHeadingStyle: TextStyle(
color: Colors.black,
fontSize: 17,
fontWeight: FontWeight.bold),

///DropdownDialog Item style [OPTIONAL PARAMETER]
dropdownItemStyle: TextStyle(
color: Colors.black,
fontSize: 14,
),

///Dialog box radius [OPTIONAL PARAMETER]
dropdownDialogRadius: 10.0,

///Search bar radius [OPTIONAL PARAMETER]
searchBarRadius: 10.0,

///triggers once country selected in dropdown
onCountryChanged: (value) {
setState(() {
///store value in country variable
countryValue = value;
});
},

///triggers once state selected in dropdown
onStateChanged: (value) {
setState(() {
///store value in state variable
stateValue = value;
});
},

///triggers once city selected in dropdown
onCityChanged: (value) {
setState(() {
///store value in city variable
cityValue = value;
});
},
),

///print newly selected country state and city in Text Widget
TextButton(
onPressed: () {
setState(() {
address = "$cityValue, $stateValue, $countryValue";
});
},
child: Text("Print Data")),
Text(address)
],
)),
),
);
}
}
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Special Thanks to #

Okoh Emmanuel, country_state_city_picker country_state_city_picker
Darshan Gada, countries-states-cities-database countries-states-cities-database