Countries class final

Query interface for the offline world countries dataset.

All methods return immutable Country value objects. Single-lookup methods return Country? (null when not found).

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

all() → List<Country>

All 250 countries.

areaBiggerThan(double km2) → List<Country>

Countries larger than km2 km².

areaSmallerThan(double km2) → List<Country>

Countries smaller than km2 km².

bordersOf(String alpha3) → List<Country>

Countries sharing a land border with the country identified by alpha3.

byAlpha3Code(String code) → Country?

Country by ISO 3166-1 alpha-3 code (e.g. 'USA'). Returns null if not found.

byCapital(String capital) → Country?

Country by capital city name. Returns null if not found.

byCode(String code) → Country?

Country by ISO 3166-1 alpha-2 code (e.g. 'US'). Returns null if not found.

byDialCode(String code) → Country?

Country by dial/calling code (e.g. '1' for +1). Returns null if not found.

byFlag(String flag) → Country?

Country by flag emoji (e.g. '🇺🇸'). Returns null if not found.

byName(String name) → Country?

Country by common name. Returns null if not found.

byNumericCode(String code) → Country?

Country by ISO 3166-1 numeric code (e.g. '840'). Returns null if not found.

byRegion(Region region) → List<Country>

Countries in region.

byTimeZone(TimeZone timeZone) → List<Country>

Countries sharing the given timeZone offset.

currencies() → List<Currency>

All unique currencies across all countries.

independent() → List<Country>

All independent countries.

landlocked() → List<Country>

All landlocked countries.

languages() → List<Language>

All unique languages across all countries.

search(String query) → List<Country>

Case-insensitive search across name, nativeName, altSpellings, capital.

unMembers() → List<Country>

All UN member countries.

withCurrency(String isoCode) → List<Country>

Countries using isoCode currency (e.g. 'USD').

withDialCode(String prefix) → List<Country>

Countries whose calling code starts with prefix (e.g. '1').

withLanguage(String isoCode) → List<Country>

Countries with isoCode as an official language (ISO 639-3).