从Android 7.0开始，你可以直接从源代码中的语言设置中读取列表。你可以在URL中看到Android版本:

https://android.googlesource.com/platform/frameworks/base/+/android-9.0.0_r1/core/res/res/values/locale_config.xml https://android.googlesource.com/platform/frameworks/base/+/android-8.1.0_r1/core/res/res/values/locale_config.xml https://android.googlesource.com/platform/frameworks/base/+/android-8.0.0_r1/core/res/res/values/locale_config.xml https://android.googlesource.com/platform/frameworks/base/+/android-7.1.2_r1/core/res/res/values/locale_config.xml https://android.googlesource.com/platform/frameworks/base/+/android-7.0.0_r1/core/res/res/values/locale_config.xml

谷歌播放描述的列表是不同的:

https://support.google.com/googleplay/android-developer/table/4419860

Arabic, Egypt (ar_EG)
Arabic, Israel (ar_IL)
Bulgarian, Bulgaria (bg_BG)
Catalan, Spain (ca_ES)
Czech, Czech Republic (cs_CZ)
Danish, Denmark(da_DK)
German, Austria (de_AT)
German, Switzerland (de_CH)
German, Germany (de_DE)
German, Liechtenstein (de_LI)
Greek, Greece (el_GR)
English, Australia (en_AU)
English, Canada (en_CA)
English, Britain (en_GB)
English, Ireland (en_IE)
English, India (en_IN)
English, New Zealand (en_NZ)
English, Singapore(en_SG)
English, US (en_US)
English, South Africa (en_ZA)
Spanish (es_ES)
Spanish, US (es_US)
Finnish, Finland (fi_FI)
French, Belgium (fr_BE)
French, Canada (fr_CA)
French, Switzerland (fr_CH)
French, France (fr_FR)
Hebrew, Israel (he_IL)
Hindi, India (hi_IN)
Croatian, Croatia (hr_HR)
Hungarian, Hungary (hu_HU)
Indonesian, Indonesia (id_ID)
Italian, Switzerland (it_CH)
Italian, Italy (it_IT)
Japanese (ja_JP)
Korean (ko_KR)
Lithuanian, Lithuania (lt_LT)
Latvian, Latvia (lv_LV)
Norwegian bokmål, Norway (nb_NO)
Dutch, Belgium (nl_BE)
Dutch, Netherlands (nl_NL)
Polish (pl_PL)
Portuguese, Brazil (pt_BR)
Portuguese, Portugal (pt_PT)
Romanian, Romania (ro_RO)
Russian (ru_RU)
Slovak, Slovakia (sk_SK)
Slovenian, Slovenia (sl_SI)
Serbian (sr_RS)
Swedish, Sweden (sv_SE)
Thai, Thailand (th_TH)
Tagalog, Philippines (tl_PH)
Turkish, Turkey (tr_TR)
Ukrainian, Ukraine (uk_UA)
Vietnamese, Vietnam (vi_VN)
Chinese, PRC (zh_CN)
Chinese, Taiwan (zh_TW)

从Android 7.0开始，你可以直接从源代码中的语言设置中读取列表。你可以在URL中看到Android版本:

https://android.googlesource.com/platform/frameworks/base/+/android-9.0.0_r1/core/res/res/values/locale_config.xml https://android.googlesource.com/platform/frameworks/base/+/android-8.1.0_r1/core/res/res/values/locale_config.xml https://android.googlesource.com/platform/frameworks/base/+/android-8.0.0_r1/core/res/res/values/locale_config.xml https://android.googlesource.com/platform/frameworks/base/+/android-7.1.2_r1/core/res/res/values/locale_config.xml https://android.googlesource.com/platform/frameworks/base/+/android-7.0.0_r1/core/res/res/values/locale_config.xml

谷歌播放描述的列表是不同的:

https://support.google.com/googleplay/android-developer/table/4419860

Android 5.1的更新列表:

af_ [Afrikaans]
af_NA [Afrikaans (Namibia)]
af_ZA [Afrikaans (South Africa)]
agq_ [Aghem]
agq_CM [Aghem (Cameroon)]
ak_ [Akan]
ak_GH [Akan (Ghana)]
am_ [Amharic]
am_ET [Amharic (Ethiopia)]
ar_ [Arabic]
ar_001 [Arabic (World)]
ar_AE [Arabic (United Arab Emirates)]
ar_BH [Arabic (Bahrain)]
ar_DJ [Arabic (Djibouti)]
ar_DZ [Arabic (Algeria)]
ar_EG [Arabic (Egypt)]
ar_EH [Arabic (Western Sahara)]
ar_ER [Arabic (Eritrea)]
ar_IL [Arabic (Israel)]
ar_IQ [Arabic (Iraq)]
ar_JO [Arabic (Jordan)]
ar_KM [Arabic (Comoros)]
ar_KW [Arabic (Kuwait)]
ar_LB [Arabic (Lebanon)]
ar_LY [Arabic (Libya)]
ar_MA [Arabic (Morocco)]
ar_MR [Arabic (Mauritania)]
ar_OM [Arabic (Oman)]
ar_PS [Arabic (Palestine)]
ar_QA [Arabic (Qatar)]
ar_SA [Arabic (Saudi Arabia)]
ar_SD [Arabic (Sudan)]
ar_SO [Arabic (Somalia)]
ar_SS [Arabic (South Sudan)]
ar_SY [Arabic (Syria)]
ar_TD [Arabic (Chad)]
ar_TN [Arabic (Tunisia)]
ar_YE [Arabic (Yemen)]
as_ [Assamese]
as_IN [Assamese (India)]
asa_ [Asu]
asa_TZ [Asu (Tanzania)]
az_ [Azerbaijani]
az_ [Azerbaijani (Cyrillic)]
az_AZ [Azerbaijani (Cyrillic,Azerbaijan)]
az_ [Azerbaijani (Latin)]
az_AZ [Azerbaijani (Latin,Azerbaijan)]
bas_ [Basaa]
bas_CM [Basaa (Cameroon)]
be_ [Belarusian]
be_BY [Belarusian (Belarus)]
bem_ [Bemba]
bem_ZM [Bemba (Zambia)]
bez_ [Bena]
bez_TZ [Bena (Tanzania)]
bg_ [Bulgarian]
bg_BG [Bulgarian (Bulgaria)]
bm_ [Bambara]
bm_ML [Bambara (Mali)]
bn_ [Bengali]
bn_BD [Bengali (Bangladesh)]
bn_IN [Bengali (India)]
bo_ [Tibetan]
bo_CN [Tibetan (China)]
bo_IN [Tibetan (India)]
br_ [Breton]
br_FR [Breton (France)]
brx_ [Bodo]
brx_IN [Bodo (India)]
bs_ [Bosnian]
bs_ [Bosnian (Cyrillic)]
bs_BA [Bosnian (Cyrillic,Bosnia and Herzegovina)]
bs_ [Bosnian (Latin)]
bs_BA [Bosnian (Latin,Bosnia and Herzegovina)]
ca_ [Catalan]
ca_AD [Catalan (Andorra)]
ca_ES [Catalan (Spain)]
ca_FR [Catalan (France)]
ca_IT [Catalan (Italy)]
cgg_ [Chiga]
cgg_UG [Chiga (Uganda)]
chr_ [Cherokee]
chr_US [Cherokee (United States)]
cs_ [Czech]
cs_CZ [Czech (Czech Republic)]
cy_ [Welsh]
cy_GB [Welsh (United Kingdom)]
da_ [Danish]
da_DK [Danish (Denmark)]
da_GL [Danish (Greenland)]
dav_ [Taita]
dav_KE [Taita (Kenya)]
de_ [German]
de_AT [German (Austria)]
de_BE [German (Belgium)]
de_CH [German (Switzerland)]
de_DE [German (Germany)]
de_LI [German (Liechtenstein)]
de_LU [German (Luxembourg)]
dje_ [Zarma]
dje_NE [Zarma (Niger)]
dua_ [Duala]
dua_CM [Duala (Cameroon)]
dyo_ [Jola-Fonyi]
dyo_SN [Jola-Fonyi (Senegal)]
dz_ [Dzongkha]
dz_BT [Dzongkha (Bhutan)]
ebu_ [Embu]
ebu_KE [Embu (Kenya)]
ee_ [Ewe]
ee_GH [Ewe (Ghana)]
ee_TG [Ewe (Togo)]
el_ [Greek]
el_CY [Greek (Cyprus)]
el_GR [Greek (Greece)]
en_ [English]
en_001 [English (World)]
en_150 [English (Europe)]
en_AG [English (Antigua and Barbuda)]
en_AI [English (Anguilla)]
en_AS [English (American Samoa)]
en_AU [English (Australia)]
en_BB [English (Barbados)]
en_BE [English (Belgium)]
en_BM [English (Bermuda)]
en_BS [English (Bahamas)]
en_BW [English (Botswana)]
en_BZ [English (Belize)]
en_CA [English (Canada)]
en_CC [English (Cocos (Keeling) Islands)]
en_CK [English (Cook Islands)]
en_CM [English (Cameroon)]
en_CX [English (Christmas Island)]
en_DG [English (Diego Garcia)]
en_DM [English (Dominica)]
en_ER [English (Eritrea)]
en_FJ [English (Fiji)]
en_FK [English (Falkland Islands (Islas Malvinas))]
en_FM [English (Micronesia)]
en_GB [English (United Kingdom)]
en_GD [English (Grenada)]
en_GG [English (Guernsey)]
en_GH [English (Ghana)]
en_GI [English (Gibraltar)]
en_GM [English (Gambia)]
en_GU [English (Guam)]
en_GY [English (Guyana)]
en_HK [English (Hong Kong)]
en_IE [English (Ireland)]
en_IM [English (Isle of Man)]
en_IN [English (India)]
en_IO [English (British Indian Ocean Territory)]
en_JE [English (Jersey)]
en_JM [English (Jamaica)]
en_KE [English (Kenya)]
en_KI [English (Kiribati)]
en_KN [English (Saint Kitts and Nevis)]
en_KY [English (Cayman Islands)]
en_LC [English (Saint Lucia)]
en_LR [English (Liberia)]
en_LS [English (Lesotho)]
en_MG [English (Madagascar)]
en_MH [English (Marshall Islands)]
en_MO [English (Macau)]
en_MP [English (Northern Mariana Islands)]
en_MS [English (Montserrat)]
en_MT [English (Malta)]
en_MU [English (Mauritius)]
en_MW [English (Malawi)]
en_NA [English (Namibia)]
en_NF [English (Norfolk Island)]
en_NG [English (Nigeria)]
en_NR [English (Nauru)]
en_NU [English (Niue)]
en_NZ [English (New Zealand)]
en_PG [English (Papua New Guinea)]
en_PH [English (Philippines)]
en_PK [English (Pakistan)]
en_PN [English (Pitcairn Islands)]
en_PR [English (Puerto Rico)]
en_PW [English (Palau)]
en_RW [English (Rwanda)]
en_SB [English (Solomon Islands)]
en_SC [English (Seychelles)]
en_SD [English (Sudan)]
en_SG [English (Singapore)]
en_SH [English (Saint Helena)]
en_SL [English (Sierra Leone)]
en_SS [English (South Sudan)]
en_SX [English (Sint Maarten)]
en_SZ [English (Swaziland)]
en_TC [English (Turks and Caicos Islands)]
en_TK [English (Tokelau)]
en_TO [English (Tonga)]
en_TT [English (Trinidad and Tobago)]
en_TV [English (Tuvalu)]
en_TZ [English (Tanzania)]
en_UG [English (Uganda)]
en_UM [English (U.S. Outlying Islands)]
en_US [English (United States)]
en_US [English (United States,Computer)]
en_VC [English (St. Vincent & Grenadines)]
en_VG [English (British Virgin Islands)]
en_VI [English (U.S. Virgin Islands)]
en_VU [English (Vanuatu)]
en_WS [English (Samoa)]
en_ZA [English (South Africa)]
en_ZM [English (Zambia)]
en_ZW [English (Zimbabwe)]
eo_ [Esperanto]
es_ [Spanish]
es_419 [Spanish (Latin America)]
es_AR [Spanish (Argentina)]
es_BO [Spanish (Bolivia)]
es_CL [Spanish (Chile)]
es_CO [Spanish (Colombia)]
es_CR [Spanish (Costa Rica)]
es_CU [Spanish (Cuba)]
es_DO [Spanish (Dominican Republic)]
es_EA [Spanish (Ceuta and Melilla)]
es_EC [Spanish (Ecuador)]
es_ES [Spanish (Spain)]
es_GQ [Spanish (Equatorial Guinea)]
es_GT [Spanish (Guatemala)]
es_HN [Spanish (Honduras)]
es_IC [Spanish (Canary Islands)]
es_MX [Spanish (Mexico)]
es_NI [Spanish (Nicaragua)]
es_PA [Spanish (Panama)]
es_PE [Spanish (Peru)]
es_PH [Spanish (Philippines)]
es_PR [Spanish (Puerto Rico)]
es_PY [Spanish (Paraguay)]
es_SV [Spanish (El Salvador)]
es_US [Spanish (United States)]
es_UY [Spanish (Uruguay)]
es_VE [Spanish (Venezuela)]
et_ [Estonian]
et_EE [Estonian (Estonia)]
eu_ [Basque]
eu_ES [Basque (Spain)]
ewo_ [Ewondo]
ewo_CM [Ewondo (Cameroon)]
fa_ [Persian]
fa_AF [Persian (Afghanistan)]
fa_IR [Persian (Iran)]
ff_ [Fulah]
ff_SN [Fulah (Senegal)]
fi_ [Finnish]
fi_FI [Finnish (Finland)]
fil_ [Filipino]
fil_PH [Filipino (Philippines)]
fo_ [Faroese]
fo_FO [Faroese (Faroe Islands)]
fr_ [French]
fr_BE [French (Belgium)]
fr_BF [French (Burkina Faso)]
fr_BI [French (Burundi)]
fr_BJ [French (Benin)]
fr_BL [French (Saint Barthélemy)]
fr_CA [French (Canada)]
fr_CD [French (Congo (DRC))]
fr_CF [French (Central African Republic)]
fr_CG [French (Congo (Republic))]
fr_CH [French (Switzerland)]
fr_CI [French (Côte d’Ivoire)]
fr_CM [French (Cameroon)]
fr_DJ [French (Djibouti)]
fr_DZ [French (Algeria)]
fr_FR [French (France)]
fr_GA [French (Gabon)]
fr_GF [French (French Guiana)]
fr_GN [French (Guinea)]
fr_GP [French (Guadeloupe)]
fr_GQ [French (Equatorial Guinea)]
fr_HT [French (Haiti)]
fr_KM [French (Comoros)]
fr_LU [French (Luxembourg)]
fr_MA [French (Morocco)]
fr_MC [French (Monaco)]
fr_MF [French (Saint Martin)]
fr_MG [French (Madagascar)]
fr_ML [French (Mali)]
fr_MQ [French (Martinique)]
fr_MR [French (Mauritania)]
fr_MU [French (Mauritius)]
fr_NC [French (New Caledonia)]
fr_NE [French (Niger)]
fr_PF [French (French Polynesia)]
fr_PM [French (Saint Pierre and Miquelon)]
fr_RE [French (Réunion)]
fr_RW [French (Rwanda)]
fr_SC [French (Seychelles)]
fr_SN [French (Senegal)]
fr_SY [French (Syria)]
fr_TD [French (Chad)]
fr_TG [French (Togo)]
fr_TN [French (Tunisia)]
fr_VU [French (Vanuatu)]
fr_WF [French (Wallis and Futuna)]
fr_YT [French (Mayotte)]
ga_ [Irish]
ga_IE [Irish (Ireland)]
gl_ [Galician]
gl_ES [Galician (Spain)]
gsw_ [Swiss German]
gsw_CH [Swiss German (Switzerland)]
gsw_LI [Swiss German (Liechtenstein)]
gu_ [Gujarati]
gu_IN [Gujarati (India)]
guz_ [Gusii]
guz_KE [Gusii (Kenya)]
gv_ [Manx]
gv_IM [Manx (Isle of Man)]
ha_ [Hausa]
ha_ [Hausa (Latin)]
ha_GH [Hausa (Latin,Ghana)]
ha_NE [Hausa (Latin,Niger)]
ha_NG [Hausa (Latin,Nigeria)]
haw_ [Hawaiian]
haw_US [Hawaiian (United States)]
iw_ [Hebrew]
iw_IL [Hebrew (Israel)]
hi_ [Hindi]
hi_IN [Hindi (India)]
hr_ [Croatian]
hr_BA [Croatian (Bosnia and Herzegovina)]
hr_HR [Croatian (Croatia)]
hu_ [Hungarian]
hu_HU [Hungarian (Hungary)]
hy_ [Armenian]
hy_AM [Armenian (Armenia)]
in_ [Indonesian]
in_ID [Indonesian (Indonesia)]
ig_ [Igbo]
ig_NG [Igbo (Nigeria)]
ii_ [Sichuan Yi]
ii_CN [Sichuan Yi (China)]
is_ [Icelandic]
is_IS [Icelandic (Iceland)]
it_ [Italian]
it_CH [Italian (Switzerland)]
it_IT [Italian (Italy)]
it_SM [Italian (San Marino)]
ja_ [Japanese]
ja_JP [Japanese (Japan)]
jgo_ [Ngomba]
jgo_CM [Ngomba (Cameroon)]
jmc_ [Machame]
jmc_TZ [Machame (Tanzania)]
ka_ [Georgian]
ka_GE [Georgian (Georgia)]
kab_ [Kabyle]
kab_DZ [Kabyle (Algeria)]
kam_ [Kamba]
kam_KE [Kamba (Kenya)]
kde_ [Makonde]
kde_TZ [Makonde (Tanzania)]
kea_ [Kabuverdianu]
kea_CV [Kabuverdianu (Cape Verde)]
khq_ [Koyra Chiini]
khq_ML [Koyra Chiini (Mali)]
ki_ [Kikuyu]
ki_KE [Kikuyu (Kenya)]
kk_ [Kazakh]
kk_ [Kazakh (Cyrillic)]
kk_KZ [Kazakh (Cyrillic,Kazakhstan)]
kkj_ [Kako]
kkj_CM [Kako (Cameroon)]
kl_ [Kalaallisut]
kl_GL [Kalaallisut (Greenland)]
kln_ [Kalenjin]
kln_KE [Kalenjin (Kenya)]
km_ [Khmer]
km_KH [Khmer (Cambodia)]
kn_ [Kannada]
kn_IN [Kannada (India)]
ko_ [Korean]
ko_KP [Korean (North Korea)]
ko_KR [Korean (South Korea)]
kok_ [Konkani]
kok_IN [Konkani (India)]
ks_ [Kashmiri]
ks_ [Kashmiri (Arabic)]
ks_IN [Kashmiri (Arabic,India)]
ksb_ [Shambala]
ksb_TZ [Shambala (Tanzania)]
ksf_ [Bafia]
ksf_CM [Bafia (Cameroon)]
kw_ [Cornish]
kw_GB [Cornish (United Kingdom)]
ky_ [Kyrgyz]
ky_ [Kyrgyz (Cyrillic)]
ky_KG [Kyrgyz (Cyrillic,Kyrgyzstan)]
lag_ [Langi]
lag_TZ [Langi (Tanzania)]
lg_ [Ganda]
lg_UG [Ganda (Uganda)]
lkt_ [Lakota]
lkt_US [Lakota (United States)]
ln_ [Lingala]
ln_AO [Lingala (Angola)]
ln_CD [Lingala (Congo (DRC))]
ln_CF [Lingala (Central African Republic)]
ln_CG [Lingala (Congo (Republic))]
lo_ [Lao]
lo_LA [Lao (Laos)]
lt_ [Lithuanian]
lt_LT [Lithuanian (Lithuania)]
lu_ [Luba-Katanga]
lu_CD [Luba-Katanga (Congo (DRC))]
luo_ [Luo]
luo_KE [Luo (Kenya)]
luy_ [Luyia]
luy_KE [Luyia (Kenya)]
lv_ [Latvian]
lv_LV [Latvian (Latvia)]
mas_ [Masai]
mas_KE [Masai (Kenya)]
mas_TZ [Masai (Tanzania)]
mer_ [Meru]
mer_KE [Meru (Kenya)]
mfe_ [Morisyen]
mfe_MU [Morisyen (Mauritius)]
mg_ [Malagasy]
mg_MG [Malagasy (Madagascar)]
mgh_ [Makhuwa-Meetto]
mgh_MZ [Makhuwa-Meetto (Mozambique)]
mgo_ [Meta']
mgo_CM [Meta' (Cameroon)]
mk_ [Macedonian]
mk_MK [Macedonian (Macedonia (FYROM))]
ml_ [Malayalam]
ml_IN [Malayalam (India)]
mn_ [Mongolian]
mn_ [Mongolian (Cyrillic)]
mn_MN [Mongolian (Cyrillic,Mongolia)]
mr_ [Marathi]
mr_IN [Marathi (India)]
ms_ [Malay]
ms_ [Malay (Latin)]
ms_BN [Malay (Latin,Brunei)]
ms_MY [Malay (Latin,Malaysia)]
ms_SG [Malay (Latin,Singapore)]
mt_ [Maltese]
mt_MT [Maltese (Malta)]
mua_ [Mundang]
mua_CM [Mundang (Cameroon)]
my_ [Burmese]
my_MM [Burmese (Myanmar (Burma))]
naq_ [Nama]
naq_NA [Nama (Namibia)]
nb_ [Norwegian Bokmål]
nb_NO [Norwegian Bokmål (Norway)]
nb_SJ [Norwegian Bokmål (Svalbard and Jan Mayen)]
nd_ [North Ndebele]
nd_ZW [North Ndebele (Zimbabwe)]
ne_ [Nepali]
ne_IN [Nepali (India)]
ne_NP [Nepali (Nepal)]
nl_ [Dutch]
nl_AW [Dutch (Aruba)]
nl_BE [Dutch (Belgium)]
nl_BQ [Dutch (Caribbean Netherlands)]
nl_CW [Dutch (Curaçao)]
nl_NL [Dutch (Netherlands)]
nl_SR [Dutch (Suriname)]
nl_SX [Dutch (Sint Maarten)]
nmg_ [Kwasio]
nmg_CM [Kwasio (Cameroon)]
nn_ [Norwegian Nynorsk]
nn_NO [Norwegian Nynorsk (Norway)]
nnh_ [Ngiemboon]
nnh_CM [Ngiemboon (Cameroon)]
nus_ [Nuer]
nus_SD [Nuer (Sudan)]
nyn_ [Nyankole]
nyn_UG [Nyankole (Uganda)]
om_ [Oromo]
om_ET [Oromo (Ethiopia)]
om_KE [Oromo (Kenya)]
or_ [Oriya]
or_IN [Oriya (India)]
pa_ [Punjabi]
pa_ [Punjabi (Arabic)]
pa_PK [Punjabi (Arabic,Pakistan)]
pa_ [Punjabi (Gurmukhi)]
pa_IN [Punjabi (Gurmukhi,India)]
pl_ [Polish]
pl_PL [Polish (Poland)]
ps_ [Pashto]
ps_AF [Pashto (Afghanistan)]
pt_ [Portuguese]
pt_AO [Portuguese (Angola)]
pt_BR [Portuguese (Brazil)]
pt_CV [Portuguese (Cape Verde)]
pt_GW [Portuguese (Guinea-Bissau)]
pt_MO [Portuguese (Macau)]
pt_MZ [Portuguese (Mozambique)]
pt_PT [Portuguese (Portugal)]
pt_ST [Portuguese (São Tomé and Príncipe)]
pt_TL [Portuguese (Timor-Leste)]
rm_ [Romansh]
rm_CH [Romansh (Switzerland)]
rn_ [Rundi]
rn_BI [Rundi (Burundi)]
ro_ [Romanian]
ro_MD [Romanian (Moldova)]
ro_RO [Romanian (Romania)]
rof_ [Rombo]
rof_TZ [Rombo (Tanzania)]
ru_ [Russian]
ru_BY [Russian (Belarus)]
ru_KG [Russian (Kyrgyzstan)]
ru_KZ [Russian (Kazakhstan)]
ru_MD [Russian (Moldova)]
ru_RU [Russian (Russia)]
ru_UA [Russian (Ukraine)]
rw_ [Kinyarwanda]
rw_RW [Kinyarwanda (Rwanda)]
rwk_ [Rwa]
rwk_TZ [Rwa (Tanzania)]
saq_ [Samburu]
saq_KE [Samburu (Kenya)]
sbp_ [Sangu]
sbp_TZ [Sangu (Tanzania)]
seh_ [Sena]
seh_MZ [Sena (Mozambique)]
ses_ [Koyraboro Senni]
ses_ML [Koyraboro Senni (Mali)]
sg_ [Sango]
sg_CF [Sango (Central African Republic)]
shi_ [Tachelhit]
shi_ [Tachelhit (Latin)]
shi_MA [Tachelhit (Latin,Morocco)]
shi_ [Tachelhit (Tifinagh)]
shi_MA [Tachelhit (Tifinagh,Morocco)]
si_ [Sinhala]
si_LK [Sinhala (Sri Lanka)]
sk_ [Slovak]
sk_SK [Slovak (Slovakia)]
sl_ [Slovenian]
sl_SI [Slovenian (Slovenia)]
sn_ [Shona]
sn_ZW [Shona (Zimbabwe)]
so_ [Somali]
so_DJ [Somali (Djibouti)]
so_ET [Somali (Ethiopia)]
so_KE [Somali (Kenya)]
so_SO [Somali (Somalia)]
sq_ [Albanian]
sq_AL [Albanian (Albania)]
sq_MK [Albanian (Macedonia (FYROM))]
sq_XK [Albanian (Kosovo)]
sr_ [Serbian]
sr_ [Serbian (Cyrillic)]
sr_BA [Serbian (Cyrillic,Bosnia and Herzegovina)]
sr_ME [Serbian (Cyrillic,Montenegro)]
sr_RS [Serbian (Cyrillic,Serbia)]
sr_XK [Serbian (Cyrillic,Kosovo)]
sr_ [Serbian (Latin)]
sr_BA [Serbian (Latin,Bosnia and Herzegovina)]
sr_ME [Serbian (Latin,Montenegro)]
sr_RS [Serbian (Latin,Serbia)]
sr_XK [Serbian (Latin,Kosovo)]
sv_ [Swedish]
sv_AX [Swedish (Åland Islands)]
sv_FI [Swedish (Finland)]
sv_SE [Swedish (Sweden)]
sw_ [Swahili]
sw_KE [Swahili (Kenya)]
sw_TZ [Swahili (Tanzania)]
sw_UG [Swahili (Uganda)]
swc_ [Congo Swahili]
swc_CD [Congo Swahili (Congo (DRC))]
ta_ [Tamil]
ta_IN [Tamil (India)]
ta_LK [Tamil (Sri Lanka)]
ta_MY [Tamil (Malaysia)]
ta_SG [Tamil (Singapore)]
te_ [Telugu]
te_IN [Telugu (India)]
teo_ [Teso]
teo_KE [Teso (Kenya)]
teo_UG [Teso (Uganda)]
th_ [Thai]
th_TH [Thai (Thailand)]
ti_ [Tigrinya]
ti_ER [Tigrinya (Eritrea)]
ti_ET [Tigrinya (Ethiopia)]
to_ [Tongan]
to_TO [Tongan (Tonga)]
tr_ [Turkish]
tr_CY [Turkish (Cyprus)]
tr_TR [Turkish (Turkey)]
twq_ [Tasawaq]
twq_NE [Tasawaq (Niger)]
tzm_ [Central Atlas Tamazight]
tzm_ [Central Atlas Tamazight (Latin)]
tzm_MA [Central Atlas Tamazight (Latin,Morocco)]
ug_ [Uyghur]
ug_ [Uyghur (Arabic)]
ug_CN [Uyghur (Arabic,China)]
uk_ [Ukrainian]
uk_UA [Ukrainian (Ukraine)]
ur_ [Urdu]
ur_IN [Urdu (India)]
ur_PK [Urdu (Pakistan)]
uz_ [Uzbek]
uz_ [Uzbek (Arabic)]
uz_AF [Uzbek (Arabic,Afghanistan)]
uz_ [Uzbek (Cyrillic)]
uz_UZ [Uzbek (Cyrillic,Uzbekistan)]
uz_ [Uzbek (Latin)]
uz_UZ [Uzbek (Latin,Uzbekistan)]
vai_ [Vai]
vai_ [Vai (Latin)]
vai_LR [Vai (Latin,Liberia)]
vai_ [Vai (Vai)]
vai_LR [Vai (Vai,Liberia)]
vi_ [Vietnamese]
vi_VN [Vietnamese (Vietnam)]
vun_ [Vunjo]
vun_TZ [Vunjo (Tanzania)]
xog_ [Soga]
xog_UG [Soga (Uganda)]
yav_ [Yangben]
yav_CM [Yangben (Cameroon)]
yo_ [Yoruba]
yo_BJ [Yoruba (Benin)]
yo_NG [Yoruba (Nigeria)]
zgh_ [Standard Moroccan Tamazight]
zgh_MA [Standard Moroccan Tamazight (Morocco)]
zh_ [Chinese]
zh_ [Chinese (Simplified Han)]
zh_CN [Chinese (Simplified Han,China)]
zh_HK [Chinese (Simplified Han,Hong Kong)]
zh_MO [Chinese (Simplified Han,Macau)]
zh_SG [Chinese (Simplified Han,Singapore)]
zh_ [Chinese (Traditional Han)]
zh_HK [Chinese (Traditional Han,Hong Kong)]
zh_MO [Chinese (Traditional Han,Macau)]
zh_TW [Chinese (Traditional Han,Taiwan)]
zu_ [Zulu]
zu_ZA [Zulu (South Africa)]

原答案:

从Android 5.0开始，BCP 47中的所有语言都可以用于应用程序开发(不过，在给定设备的系统设置中，这些语言可能并不一定可以选择)。当使用ISO 639-1代码时，资源文件夹的格式值为-xx…其中xx为ISO-639-1代码。

当使用BCP 47标记时，资源文件夹命名为values-b+xxx…其中XXX是三个字母的语言代码。

以下是Android 2.3之前的列表

Language / Locale Supported since version English, US (en_US) 1.1 German, Germany (de_DE) 1.1 Chinese, PRC (zh_CN) 1.5 Chinese, Taiwan (zh_TW) 1.5 Czech, Czech Republic (cs_CZ) 1.5 Dutch, Belgium (nl_BE) 1.5 Dutch, Netherlands (nl_NL) 1.5 English, Australia (en_AU) 1.5 English, Britain (en_GB) 1.5 English, Canada (en_CA) 1.5 English, New Zealand (en_NZ) 1.5 English, Singapore(en_SG) 1.5 French, Belgium (fr_BE) 1.5 French, Canada (fr_CA) 1.5 French, France (fr_FR) 1.5 French, Switzerland (fr_CH) 1.5 German, Austria (de_AT) 1.5 German, Liechtenstein (de_LI) 1.5 German, Switzerland (de_CH) 1.5 Italian, Italy (it_IT) 1.5 Italian, Switzerland (it_CH) 1.5 Japanese (ja_JP) 1.5 Korean (ko_KR) 1.5 Polish (pl_PL) 1.5 Russian (ru_RU) 1.5 Spanish (es_ES) 1.5 Arabic, Egypt (ar_EG) 2.3 Arabic, Israel (ar_IL) 2.3 Bulgarian, Bulgaria (bg_BG) 2.3 Catalan, Spain (ca_ES) 2.3 Croatian, Croatia (hr_HR) 2.3 Danish, Denmark(da_DK) 2.3 English, India (en_IN) 2.3 English, Ireland (en_IE) 2.3 English, Zimbabwe (en_ZA) 2.3 Finnish, Finland (fi_FI) 2.3 Greek, Greece (el_GR) 2.3 Hebrew, Israel (iw_IL)* 2.3 Hindi, India (hi_IN) 2.3 Hungarian, Hungary (hu_HU) 2.3 Indonesian, Indonesia (in_ID)* 2.3 Latvian, Latvia (lv_LV) 2.3 Lithuanian, Lithuania (lt_LT) 2.3 Norwegian-Bokmål, Norway(nb_NO) 2.3 Portuguese, Brazil (pt_BR) 2.3 Portuguese, Portugal (pt_PT) 2.3 Romanian, Romania (ro_RO) 2.3 Serbian (sr_RS) 2.3 Slovak, Slovakia (sk_SK) 2.3 Slovenian, Slovenia (sl_SI) 2.3 Spanish, US (es_US) 2.3 Swedish, Sweden (sv_SE) 2.3 Tagalog, Philippines (tl_PH) 2.3 Thai, Thailand (th_TH) 2.3 Turkish, Turkey (tr_TR) 2.3 Ukrainian, Ukraine (uk_UA) 2.3 Vietnamese, Vietnam (vi_VN) 2.3 *Note that Java uses several deprecated two-letter codes. The Hebrew (“he”) >language code is rewritten as “iw”, Indonesian (“id”) as “in”, and Yiddish (“yi”) as “ji”. This rewriting happens even if you construct your own Locale object, not just for instances returned by the various lookup methods. See also https://issuetracker.google.com/issues/36908826.

我找到了一个列表，这可能是一个给定的Android版本(API级别)支持的地区的完整列表: 进入android- sdk\platforms\android-[XX]\data\res\values，其中XX表示API级别，然后用任何文本编辑器打开locale_config.xml。 它是人类可读的，如果需要，可以很容易地处理。

首先，我们需要计划应用程序如何在不同的局部环境中呈现不同的效果。 这里它展示了一个例子，文本字符串和图像必须去哪里。

de-rDE German / Germany res/values-de/ res/drawable-de-rDE/ 
fr-rFR French / France res/values-fr/ res/drawable-fr-rFR/ 
fr-rCA French / Canada res/values-fr/ res/drawable-fr-rCA/ 
en-rCA English / Canada (res/values/) res/drawable-en-rCA/ 
ja-rJP Japanese / Japan res/values-ja/ res/drawable-ja-rJP/ 
en-rUS English / United States (res/values/) res/drawable-en-rUS/ 

更多信息，你可以看到页面本地化