- r - 以节省内存的方式增长 data.frame
- ruby-on-rails - ruby/ruby on rails 内存泄漏检测
- android - 无法解析导入android.support.v7.app
- UNIX 域套接字与共享内存(映射文件)
我正在寻找相当于这个 SO 问题/答案的 Dart : Get language name in that language from language code
换句话说,我宁愿避免手动检查 if langCode=='en' return 'English' else if langCode == 'fr' return 'French' 等等...
我尝试在 Locale、Intl 和 Localizations 类中寻找执行此操作的可能方法,但无济于事。
DropdownButton<String>(
items: langCodesList.map((String value) {
return DropdownMenuItem<String>(
child: Text(value),
value: value,
);
}).toList(),
hint: Text(Localizations.localeOf(context).languageCode),
))
我希望 DDL 显示完整的语言名称。
最佳答案
语文课
class LanguageLocal {
final isoLangs = {
"ab": {"name": "Abkhaz", "nativeName": "аҧсуа"},
"aa": {"name": "Afar", "nativeName": "Afaraf"},
"af": {"name": "Afrikaans", "nativeName": "Afrikaans"},
"ak": {"name": "Akan", "nativeName": "Akan"},
"sq": {"name": "Albanian", "nativeName": "Shqip"},
"am": {"name": "Amharic", "nativeName": "አማርኛ"},
"ar": {"name": "Arabic", "nativeName": "العربية"},
"an": {"name": "Aragonese", "nativeName": "Aragonés"},
"hy": {"name": "Armenian", "nativeName": "Հայերեն"},
"as": {"name": "Assamese", "nativeName": "অসমীয়া"},
"av": {"name": "Avaric", "nativeName": "авар мацӀ, магӀарул мацӀ"},
"ae": {"name": "Avestan", "nativeName": "avesta"},
"ay": {"name": "Aymara", "nativeName": "aymar aru"},
"az": {"name": "Azerbaijani", "nativeName": "azərbaycan dili"},
"bm": {"name": "Bambara", "nativeName": "bamanankan"},
"ba": {"name": "Bashkir", "nativeName": "башҡорт теле"},
"eu": {"name": "Basque", "nativeName": "euskara, euskera"},
"be": {"name": "Belarusian", "nativeName": "Беларуская"},
"bn": {"name": "Bengali", "nativeName": "বাংলা"},
"bh": {"name": "Bihari", "nativeName": "भोजपुरी"},
"bi": {"name": "Bislama", "nativeName": "Bislama"},
"bs": {"name": "Bosnian", "nativeName": "bosanski jezik"},
"br": {"name": "Breton", "nativeName": "brezhoneg"},
"bg": {"name": "Bulgarian", "nativeName": "български език"},
"my": {"name": "Burmese", "nativeName": "ဗမာစာ"},
"ca": {"name": "Catalan; Valencian", "nativeName": "Català"},
"ch": {"name": "Chamorro", "nativeName": "Chamoru"},
"ce": {"name": "Chechen", "nativeName": "нохчийн мотт"},
"ny": {
"name": "Chichewa; Chewa; Nyanja",
"nativeName": "chiCheŵa, chinyanja"
},
"zh": {"name": "Chinese", "nativeName": "中文 (Zhōngwén), 汉语, 漢語"},
"cv": {"name": "Chuvash", "nativeName": "чӑваш чӗлхи"},
"kw": {"name": "Cornish", "nativeName": "Kernewek"},
"co": {"name": "Corsican", "nativeName": "corsu, lingua corsa"},
"cr": {"name": "Cree", "nativeName": "ᓀᐦᐃᔭᐍᐏᐣ"},
"hr": {"name": "Croatian", "nativeName": "hrvatski"},
"cs": {"name": "Czech", "nativeName": "česky, čeština"},
"da": {"name": "Danish", "nativeName": "dansk"},
"dv": {"name": "Divehi; Dhivehi; Maldivian;", "nativeName": "ދިވެހި"},
"nl": {"name": "Dutch", "nativeName": "Nederlands, Vlaams"},
"en": {"name": "English", "nativeName": "English"},
"eo": {"name": "Esperanto", "nativeName": "Esperanto"},
"et": {"name": "Estonian", "nativeName": "eesti, eesti keel"},
"ee": {"name": "Ewe", "nativeName": "Eʋegbe"},
"fo": {"name": "Faroese", "nativeName": "føroyskt"},
"fj": {"name": "Fijian", "nativeName": "vosa Vakaviti"},
"fi": {"name": "Finnish", "nativeName": "suomi, suomen kieli"},
"fr": {"name": "French", "nativeName": "français, langue française"},
"ff": {
"name": "Fula; Fulah; Pulaar; Pular",
"nativeName": "Fulfulde, Pulaar, Pular"
},
"gl": {"name": "Galician", "nativeName": "Galego"},
"ka": {"name": "Georgian", "nativeName": "ქართული"},
"de": {"name": "German", "nativeName": "Deutsch"},
"el": {"name": "Greek, Modern", "nativeName": "Ελληνικά"},
"gn": {"name": "Guaraní", "nativeName": "Avañeẽ"},
"gu": {"name": "Gujarati", "nativeName": "ગુજરાતી"},
"ht": {"name": "Haitian; Haitian Creole", "nativeName": "Kreyòl ayisyen"},
"ha": {"name": "Hausa", "nativeName": "Hausa, هَوُسَ"},
"he": {"name": "Hebrew (modern)", "nativeName": "עברית"},
"hz": {"name": "Herero", "nativeName": "Otjiherero"},
"hi": {"name": "Hindi", "nativeName": "हिन्दी, हिंदी"},
"ho": {"name": "Hiri Motu", "nativeName": "Hiri Motu"},
"hu": {"name": "Hungarian", "nativeName": "Magyar"},
"ia": {"name": "Interlingua", "nativeName": "Interlingua"},
"id": {"name": "Indonesian", "nativeName": "Bahasa Indonesia"},
"ie": {
"name": "Interlingue",
"nativeName": "Originally called Occidental; then Interlingue after WWII"
},
"ga": {"name": "Irish", "nativeName": "Gaeilge"},
"ig": {"name": "Igbo", "nativeName": "Asụsụ Igbo"},
"ik": {"name": "Inupiaq", "nativeName": "Iñupiaq, Iñupiatun"},
"io": {"name": "Ido", "nativeName": "Ido"},
"is": {"name": "Icelandic", "nativeName": "Íslenska"},
"it": {"name": "Italian", "nativeName": "Italiano"},
"iu": {"name": "Inuktitut", "nativeName": "ᐃᓄᒃᑎᑐᑦ"},
"ja": {"name": "Japanese", "nativeName": "日本語 (にほんご/にっぽんご)"},
"jv": {"name": "Javanese", "nativeName": "basa Jawa"},
"kl": {
"name": "Kalaallisut, Greenlandic",
"nativeName": "kalaallisut, kalaallit oqaasii"
},
"kn": {"name": "Kannada", "nativeName": "ಕನ್ನಡ"},
"kr": {"name": "Kanuri", "nativeName": "Kanuri"},
"ks": {"name": "Kashmiri", "nativeName": "कश्मीरी, كشميري"},
"kk": {"name": "Kazakh", "nativeName": "Қазақ тілі"},
"km": {"name": "Khmer", "nativeName": "ភាសាខ្មែរ"},
"ki": {"name": "Kikuyu, Gikuyu", "nativeName": "Gĩkũyũ"},
"rw": {"name": "Kinyarwanda", "nativeName": "Ikinyarwanda"},
"ky": {"name": "Kirghiz, Kyrgyz", "nativeName": "кыргыз тили"},
"kv": {"name": "Komi", "nativeName": "коми кыв"},
"kg": {"name": "Kongo", "nativeName": "KiKongo"},
"ko": {"name": "Korean", "nativeName": "한국어 (韓國語), 조선말 (朝鮮語)"},
"ku": {"name": "Kurdish", "nativeName": "Kurdî, كوردی"},
"kj": {"name": "Kwanyama, Kuanyama", "nativeName": "Kuanyama"},
"la": {"name": "Latin", "nativeName": "latine, lingua latina"},
"lb": {
"name": "Luxembourgish, Letzeburgesch",
"nativeName": "Lëtzebuergesch"
},
"lg": {"name": "Luganda", "nativeName": "Luganda"},
"li": {
"name": "Limburgish, Limburgan, Limburger",
"nativeName": "Limburgs"
},
"ln": {"name": "Lingala", "nativeName": "Lingála"},
"lo": {"name": "Lao", "nativeName": "ພາສາລາວ"},
"lt": {"name": "Lithuanian", "nativeName": "lietuvių kalba"},
"lu": {"name": "Luba-Katanga", "nativeName": ""},
"lv": {"name": "Latvian", "nativeName": "latviešu valoda"},
"gv": {"name": "Manx", "nativeName": "Gaelg, Gailck"},
"mk": {"name": "Macedonian", "nativeName": "македонски јазик"},
"mg": {"name": "Malagasy", "nativeName": "Malagasy fiteny"},
"ms": {"name": "Malay", "nativeName": "bahasa Melayu, بهاس ملايو"},
"ml": {"name": "Malayalam", "nativeName": "മലയാളം"},
"mt": {"name": "Maltese", "nativeName": "Malti"},
"mi": {"name": "Māori", "nativeName": "te reo Māori"},
"mr": {"name": "Marathi (Marāṭhī)", "nativeName": "मराठी"},
"mh": {"name": "Marshallese", "nativeName": "Kajin M̧ajeļ"},
"mn": {"name": "Mongolian", "nativeName": "монгол"},
"na": {"name": "Nauru", "nativeName": "Ekakairũ Naoero"},
"nv": {"name": "Navajo, Navaho", "nativeName": "Diné bizaad, Dinékʼehǰí"},
"nb": {"name": "Norwegian Bokmål", "nativeName": "Norsk bokmål"},
"nd": {"name": "North Ndebele", "nativeName": "isiNdebele"},
"ne": {"name": "Nepali", "nativeName": "नेपाली"},
"ng": {"name": "Ndonga", "nativeName": "Owambo"},
"nn": {"name": "Norwegian Nynorsk", "nativeName": "Norsk nynorsk"},
"no": {"name": "Norwegian", "nativeName": "Norsk"},
"ii": {"name": "Nuosu", "nativeName": "ꆈꌠ꒿ Nuosuhxop"},
"nr": {"name": "South Ndebele", "nativeName": "isiNdebele"},
"oc": {"name": "Occitan", "nativeName": "Occitan"},
"oj": {"name": "Ojibwe, Ojibwa", "nativeName": "ᐊᓂᔑᓈᐯᒧᐎᓐ"},
"cu": {
"name":
"Old Church Slavonic, Church Slavic, Church Slavonic, Old Bulgarian, Old Slavonic",
"nativeName": "ѩзыкъ словѣньскъ"
},
"om": {"name": "Oromo", "nativeName": "Afaan Oromoo"},
"or": {"name": "Oriya", "nativeName": "ଓଡ଼ିଆ"},
"os": {"name": "Ossetian, Ossetic", "nativeName": "ирон æвзаг"},
"pa": {"name": "Panjabi, Punjabi", "nativeName": "ਪੰਜਾਬੀ, پنجابی"},
"pi": {"name": "Pāli", "nativeName": "पाऴि"},
"fa": {"name": "Persian", "nativeName": "فارسی"},
"pl": {"name": "Polish", "nativeName": "polski"},
"ps": {"name": "Pashto, Pushto", "nativeName": "پښتو"},
"pt": {"name": "Portuguese", "nativeName": "Português"},
"qu": {"name": "Quechua", "nativeName": "Runa Simi, Kichwa"},
"rm": {"name": "Romansh", "nativeName": "rumantsch grischun"},
"rn": {"name": "Kirundi", "nativeName": "kiRundi"},
"ro": {"name": "Romanian, Moldavian, Moldovan", "nativeName": "română"},
"ru": {"name": "Russian", "nativeName": "русский язык"},
"sa": {"name": "Sanskrit (Saṁskṛta)", "nativeName": "संस्कृतम्"},
"sc": {"name": "Sardinian", "nativeName": "sardu"},
"sd": {"name": "Sindhi", "nativeName": "सिन्धी, سنڌي، سندھی"},
"se": {"name": "Northern Sami", "nativeName": "Davvisámegiella"},
"sm": {"name": "Samoan", "nativeName": "gagana faa Samoa"},
"sg": {"name": "Sango", "nativeName": "yângâ tî sängö"},
"sr": {"name": "Serbian", "nativeName": "српски језик"},
"gd": {"name": "Scottish Gaelic; Gaelic", "nativeName": "Gàidhlig"},
"sn": {"name": "Shona", "nativeName": "chiShona"},
"si": {"name": "Sinhala, Sinhalese", "nativeName": "සිංහල"},
"sk": {"name": "Slovak", "nativeName": "slovenčina"},
"sl": {"name": "Slovene", "nativeName": "slovenščina"},
"so": {"name": "Somali", "nativeName": "Soomaaliga, af Soomaali"},
"st": {"name": "Southern Sotho", "nativeName": "Sesotho"},
"es": {"name": "Spanish; Castilian", "nativeName": "español, castellano"},
"su": {"name": "Sundanese", "nativeName": "Basa Sunda"},
"sw": {"name": "Swahili", "nativeName": "Kiswahili"},
"ss": {"name": "Swati", "nativeName": "SiSwati"},
"sv": {"name": "Swedish", "nativeName": "svenska"},
"ta": {"name": "Tamil", "nativeName": "தமிழ்"},
"te": {"name": "Telugu", "nativeName": "తెలుగు"},
"tg": {"name": "Tajik", "nativeName": "тоҷикӣ, toğikī, تاجیکی"},
"th": {"name": "Thai", "nativeName": "ไทย"},
"ti": {"name": "Tigrinya", "nativeName": "ትግርኛ"},
"bo": {
"name": "Tibetan Standard, Tibetan, Central",
"nativeName": "བོད་ཡིག"
},
"tk": {"name": "Turkmen", "nativeName": "Türkmen, Түркмен"},
"tl": {"name": "Tagalog", "nativeName": "Wikang Tagalog, ᜏᜒᜃᜅ᜔ ᜆᜄᜎᜓᜄ᜔"},
"tn": {"name": "Tswana", "nativeName": "Setswana"},
"to": {"name": "Tonga (Tonga Islands)", "nativeName": "faka Tonga"},
"tr": {"name": "Turkish", "nativeName": "Türkçe"},
"ts": {"name": "Tsonga", "nativeName": "Xitsonga"},
"tt": {"name": "Tatar", "nativeName": "татарча, tatarça, تاتارچا"},
"tw": {"name": "Twi", "nativeName": "Twi"},
"ty": {"name": "Tahitian", "nativeName": "Reo Tahiti"},
"ug": {"name": "Uighur, Uyghur", "nativeName": "Uyƣurqə, ئۇيغۇرچە"},
"uk": {"name": "Ukrainian", "nativeName": "українська"},
"ur": {"name": "Urdu", "nativeName": "اردو"},
"uz": {"name": "Uzbek", "nativeName": "zbek, Ўзбек, أۇزبېك"},
"ve": {"name": "Venda", "nativeName": "Tshivenḓa"},
"vi": {"name": "Vietnamese", "nativeName": "Tiếng Việt"},
"vo": {"name": "Volapük", "nativeName": "Volapük"},
"wa": {"name": "Walloon", "nativeName": "Walon"},
"cy": {"name": "Welsh", "nativeName": "Cymraeg"},
"wo": {"name": "Wolof", "nativeName": "Wollof"},
"fy": {"name": "Western Frisian", "nativeName": "Frysk"},
"xh": {"name": "Xhosa", "nativeName": "isiXhosa"},
"yi": {"name": "Yiddish", "nativeName": "ייִדיש"},
"yo": {"name": "Yoruba", "nativeName": "Yorùbá"},
"za": {"name": "Zhuang, Chuang", "nativeName": "Saɯ cueŋƅ, Saw cuengh"}
};
getDisplayLanguage(key) {
if (isoLangs.containsKey(key)) {
return isoLangs[key];
} else {
throw Exception("Language key incorrect");
}
}
}
小工具
class LanguageWidget extends StatefulWidget {
@override
LanguageWidgetState createState() {
return new LanguageWidgetState();
}
}
class LanguageWidgetState extends State<LanguageWidget> {
var language = LanguageLocal();
var langCodesList = ["ar", "en", "fr"];
List<DropdownMenuItem<String>> list;
String _selectedLanguage = "ar";
@override
void initState() {
list = langCodesList.map((String value) {
return DropdownMenuItem<String>(
child: Text(language.getDisplayLanguage(value)["nativeName"]),
value: value,
);
}).toList();
super.initState();
}
@override
Widget build(BuildContext context) {
return Container(
child: new Container(
child: Center(
child: DropdownButton<String>(
value: _selectedLanguage,
items: list,
hint: Text(language.getDisplayLanguage(
Localizations.localeOf(context).languageCode)["name"]),
onChanged: (String value) {
print(value);
setState(() {
_selectedLanguage = value;
});
},
)),
),
);
}
}
关于dart - 如何从 languageCode 中获取语言的全名? (例如 : from 'en' to 'English' ),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/53999971/
我需要将文本放在 中在一个 Div 中,在另一个 Div 中,在另一个 Div 中。所以这是它的样子: #document Change PIN
奇怪的事情发生了。 我有一个基本的 html 代码。 html,头部, body 。(因为我收到了一些反对票,这里是完整的代码) 这是我的CSS: html { backgroun
我正在尝试将 Assets 中的一组图像加载到 UICollectionview 中存在的 ImageView 中,但每当我运行应用程序时它都会显示错误。而且也没有显示图像。 我在ViewDidLoa
我需要根据带参数的 perl 脚本的输出更改一些环境变量。在 tcsh 中,我可以使用别名命令来评估 perl 脚本的输出。 tcsh: alias setsdk 'eval `/localhome/
我使用 Windows 身份验证创建了一个新的 Blazor(服务器端)应用程序,并使用 IIS Express 运行它。它将显示一条消息“Hello Domain\User!”来自右上方的以下 Ra
这是我的方法 void login(Event event);我想知道 Kotlin 中应该如何 最佳答案 在 Kotlin 中通配符运算符是 * 。它指示编译器它是未知的,但一旦知道,就不会有其他类
看下面的代码 for story in book if story.title.length < 140 - var story
我正在尝试用 C 语言学习字符串处理。我写了一个程序,它存储了一些音乐轨道,并帮助用户检查他/她想到的歌曲是否存在于存储的轨道中。这是通过要求用户输入一串字符来完成的。然后程序使用 strstr()
我正在学习 sscanf 并遇到如下格式字符串: sscanf("%[^:]:%[^*=]%*[*=]%n",a,b,&c); 我理解 %[^:] 部分意味着扫描直到遇到 ':' 并将其分配给 a。:
def char_check(x,y): if (str(x) in y or x.find(y) > -1) or (str(y) in x or y.find(x) > -1):
我有一种情况,我想将文本文件中的现有行包含到一个新 block 中。 line 1 line 2 line in block line 3 line 4 应该变成 line 1 line 2 line
我有一个新项目,我正在尝试设置 Django 调试工具栏。首先,我尝试了快速设置,它只涉及将 'debug_toolbar' 添加到我的已安装应用程序列表中。有了这个,当我转到我的根 URL 时,调试
在 Matlab 中,如果我有一个函数 f,例如签名是 f(a,b,c),我可以创建一个只有一个变量 b 的函数,它将使用固定的 a=a1 和 c=c1 调用 f: g = @(b) f(a1, b,
我不明白为什么 ForEach 中的元素之间有多余的垂直间距在 VStack 里面在 ScrollView 里面使用 GeometryReader 时渲染自定义水平分隔线。 Scrol
我想知道,是否有关于何时使用 session 和 cookie 的指南或最佳实践? 什么应该和什么不应该存储在其中?谢谢! 最佳答案 这些文档很好地了解了 session cookie 的安全问题以及
我在 scipy/numpy 中有一个 Nx3 矩阵,我想用它制作一个 3 维条形图,其中 X 轴和 Y 轴由矩阵的第一列和第二列的值、高度确定每个条形的 是矩阵中的第三列,条形的数量由 N 确定。
假设我用两种不同的方式初始化信号量 sem_init(&randomsem,0,1) sem_init(&randomsem,0,0) 现在, sem_wait(&randomsem) 在这两种情况下
我怀疑该值如何存储在“WORD”中,因为 PStr 包含实际输出。? 既然Pstr中存储的是小写到大写的字母,那么在printf中如何将其给出为“WORD”。有人可以吗?解释一下? #include
我有一个 3x3 数组: var my_array = [[0,1,2], [3,4,5], [6,7,8]]; 并想获得它的第一个 2
我意识到您可以使用如下方式轻松检查焦点: var hasFocus = true; $(window).blur(function(){ hasFocus = false; }); $(win
我是一名优秀的程序员,十分优秀!