我得到的输出是这样的：

Question

我想知道如何从我的Android应用程序中获取设备/用户区域代码我知道有一个名为TelephonyManager的lib，但我找不到国家/地区代码功能

让自己清楚：我有一个活动，要求用户输入他的电话号码，我想从设备（从他的运营商？）获取区号如果我在纽约打开我的应用程序，我会得到+212作为代码和一个文本框输入我自己的号码

Answer 1

1-将此数组添加到Strings.xml文件

<string-array name="CountryCodes" >
<item>93,AF</item>
<item>355,AL</item>
<item>213,DZ</item>
<item>376,AD</item>
<item>244,AO</item>
<item>672,AQ</item>
<item>54,AR</item>
<item>374,AM</item>
<item>297,AW</item>
<item>61,AU</item>
<item>43,AT</item>
<item>994,AZ</item>
<item>973,BH</item>
<item>880,BD</item>
<item>375,BY</item>
<item>32,BE</item>
<item>501,BZ</item>
<item>229,BJ</item>
<item>975,BT</item>
<item>591,BO</item>
<item>387,BA</item>
<item>267,BW</item>
<item>55,BR</item>
<item>673,BN</item>
<item>359,BG</item>
<item>226,BF</item>
<item>95,MM</item>
<item>257,BI</item>
<item>855,KH</item>
<item>237,CM</item>
<item>1,CA</item>
<item>238,CV</item>
<item>236,CF</item>
<item>235,TD</item>
<item>56,CL</item>
<item>86,CN</item>
<item>61,CX</item>
<item>61,CC</item>
<item>57,CO</item>
<item>269,KM</item>
<item>242,CG</item>
<item>243,CD</item>
<item>682,CK</item>
<item>506,CR</item>
<item>385,HR</item>
<item>53,CU</item>
<item>357,CY</item>
<item>420,CZ</item>
<item>45,DK</item>
<item>253,DJ</item>
<item>670,TL</item>
<item>593,EC</item>
<item>20,EG</item>
<item>503,SV</item>
<item>240,GQ</item>
<item>291,ER</item>
<item>372,EE</item>
<item>251,ET</item>
<item>500,FK</item>
<item>298,FO</item>
<item>679,FJ</item>
<item>358,FI</item>
<item>33,FR</item>
<item>689,PF</item>
<item>241,GA</item>
<item>220,GM</item>
<item>995,GE</item>
<item>49,DE</item>
<item>233,GH</item>
<item>350,GI</item>
<item>30,GR</item>
<item>299,GL</item>
<item>502,GT</item>
<item>224,GN</item>
<item>245,GW</item>
<item>592,GY</item>
<item>509,HT</item>
<item>504,HN</item>
<item>852,HK</item>
<item>36,HU</item>
<item>91,IN</item>
<item>62,ID</item>
<item>98,IR</item>
<item>964,IQ</item>
<item>353,IE</item>
<item>44,IM</item>
<item>972,IL</item>
<item>39,IT</item>
<item>225,CI</item>
<item>81,JP</item>
<item>962,JO</item>
<item>7,KZ</item>
<item>254,KE</item>
<item>686,KI</item>
<item>965,KW</item>
<item>996,KG</item>
<item>856,LA</item>
<item>371,LV</item>
<item>961,LB</item>
<item>266,LS</item>
<item>231,LR</item>
<item>218,LY</item>
<item>423,LI</item>
<item>370,LT</item>
<item>352,LU</item>
<item>853,MO</item>
<item>389,MK</item>
<item>261,MG</item>
<item>265,MW</item>
<item>60,MY</item>
<item>960,MV</item>
<item>223,ML</item>
<item>356,MT</item>
<item>692,MH</item>
<item>222,MR</item>
<item>230,MU</item>
<item>262,YT</item>
<item>52,MX</item>
<item>691,FM</item>
<item>373,MD</item>
<item>377,MC</item>
<item>976,MN</item>
<item>382,ME</item>
<item>212,MA</item>
<item>258,MZ</item>
<item>264,NA</item>
<item>674,NR</item>
<item>977,NP</item>
<item>31,NL</item>
<item>599,AN</item>
<item>687,NC</item>
<item>64,NZ</item>
<item>505,NI</item>
<item>227,NE</item>
<item>234,NG</item>
<item>683,NU</item>
<item>850,KP</item>
<item>47,NO</item>
<item>968,OM</item>
<item>92,PK</item>
<item>680,PW</item>
<item>507,PA</item>
<item>675,PG</item>
<item>595,PY</item>
<item>51,PE</item>
<item>63,PH</item>
<item>870,PN</item>
<item>48,PL</item>
<item>351,PT</item>
<item>1,PR</item>
<item>974,QA</item>
<item>40,RO</item>
<item>7,RU</item>
<item>250,RW</item>
<item>590,BL</item>
<item>685,WS</item>
<item>378,SM</item>
<item>239,ST</item>
<item>966,SA</item>
<item>221,SN</item>
<item>381,RS</item>
<item>248,SC</item>
<item>232,SL</item>
<item>65,SG</item>
<item>421,SK</item>
<item>386,SI</item>
<item>677,SB</item>
<item>252,SO</item>
<item>27,ZA</item>
<item>82,KR</item>
<item>34,ES</item>
<item>94,LK</item>
<item>290,SH</item>
<item>508,PM</item>
<item>249,SD</item>
<item>597,SR</item>
<item>268,SZ</item>
<item>46,SE</item>
<item>41,CH</item>
<item>963,SY</item>
<item>886,TW</item>
<item>992,TJ</item>
<item>255,TZ</item>
<item>66,TH</item>
<item>228,TG</item>
<item>690,TK</item>
<item>676,TO</item>
<item>216,TN</item>
<item>90,TR</item>
<item>993,TM</item>
<item>688,TV</item>
<item>971,AE</item>
<item>256,UG</item>
<item>44,GB</item>
<item>380,UA</item>
<item>598,UY</item>
<item>1,US</item>
<item>998,UZ</item>
<item>678,VU</item>
<item>39,VA</item>
<item>58,VE</item>
<item>84,VN</item>
<item>681,WF</item>
<item>967,YE</item>
<item>260,ZM</item>
<item>263,ZW</item>
</string-array>

2-CopyThis功能到你的班级

public String GetCountryZipCode(){
    String CountryID="";
    String CountryZipCode="";

    TelephonyManager manager = (TelephonyManager) this.getSystemService(Context.TELEPHONY_SERVICE);
    //getNetworkCountryIso
    CountryID= manager.getSimCountryIso().toUpperCase();
    String[] rl=this.getResources().getStringArray(R.array.CountryCodes);
    for(int i=0;i<rl.length;i++){
        String[] g=rl[i].split(",");
        if(g[1].trim().equals(CountryID.trim())){
            CountryZipCode=g[0];
            break;  
        }
    }
    return CountryZipCode;
}

3-Call Function GetCountryZipCode（）

4-write谢谢Wais。

Answer 2

很抱歉重振死线，但我花了一些时间试图解决这个问题，所以希望我的回复会帮助其他人。

原始问题中的示例令人困惑，您说要添加国家/地区代码，但请以纽约地区代码212为例;这不是国家代码，它是本地区号。美国的国家代码是1.所以你希望最终的数字看起来像＆＃34; 1-212-xxx-xxxx＆＃34;。我在下面的回答解释了如何确定国家代码，而不是本地区代码。

要获取您自己号码的国家/地区呼叫代码，请使用getSimCountryIso（）。不要使用getNetworkCountryIso（）; getNetworkCountryIso将返回您当前所在的国家/地区，但如果您正在旅行，则会返回错误的国家/地区。例如，如果你来自阿尔巴尼亚但是在纽约旅行，那么getSimCountry将返回＆＃34; al＆＃34;，但getNetworkCountry也会返回＆＃34; us＆＃34;。显然，如果你使用美国的国家代码，你的号码就错了。

现在您有两个字符的国家/地区代码;例如加拿大将是＆＃34; ca＆＃34;。然后，您可以将其用作下表中的查找键（从http://www.sikosoft.com/item/international_telephone_country_codes_in_xml_format_using_iso_639-1获得）。

由于国家/地区代码无法更改，因此可以在应用程序中对查找表进行硬编码。不幸的是，似乎并不是获取用户当前国家/地区代码的直接方式。

<?xml version='1.0' encoding='UTF-8'?>
<icc>
    <AF>93</AF>
    <AL>355</AL>
    <DZ>213</DZ>
    <AD>376</AD>
    <AO>244</AO>
    <AQ>672</AQ>
    <AR>54</AR>
    <AM>374</AM>
    <AW>297</AW>
    <AU>61</AU>
    <AT>43</AT>
    <AZ>994</AZ>
    <BH>973</BH>
    <BD>880</BD>
    <BY>375</BY>
    <BE>32</BE>
    <BZ>501</BZ>
    <BJ>229</BJ>
    <BT>975</BT>
    <BO>591</BO>
    <BA>387</BA>
    <BW>267</BW>
    <BR>55</BR>
    <BN>673</BN>
    <BG>359</BG>
    <BF>226</BF>
    <MM>95</MM>
    <BI>257</BI>
    <KH>855</KH>
    <CM>237</CM>
    <CA>1</CA>
    <CV>238</CV>
    <CF>236</CF>
    <TD>235</TD>
    <CL>56</CL>
    <CN>86</CN>
    <CX>61</CX>
    <CC>61</CC>
    <CO>57</CO>
    <KM>269</KM>
    <CG>242</CG>
    <CD>243</CD>
    <CK>682</CK>
    <CR>506</CR>
    <HR>385</HR>
    <CU>53</CU>
    <CY>357</CY>
    <CZ>420</CZ>
    <DK>45</DK>
    <DJ>253</DJ>
    <TL>670</TL>
    <EC>593</EC>
    <EG>20</EG>
    <SV>503</SV>
    <GQ>240</GQ>
    <ER>291</ER>
    <EE>372</EE>
    <ET>251</ET>
    <FK>500</FK>
    <FO>298</FO>
    <FJ>679</FJ>
    <FI>358</FI>
    <FR>33</FR>
    <PF>689</PF>
    <GA>241</GA>
    <GM>220</GM>
    <GE>995</GE>
    <DE>49</DE>
    <GH>233</GH>
    <GI>350</GI>
    <GR>30</GR>
    <GL>299</GL>
    <GT>502</GT>
    <GN>224</GN>
    <GW>245</GW>
    <GY>592</GY>
    <HT>509</HT>
    <HN>504</HN>
    <HK>852</HK>
    <HU>36</HU>
    <IN>91</IN>
    <ID>62</ID>
    <IR>98</IR>
    <IQ>964</IQ>
    <IE>353</IE>
    <IM>44</IM>
    <IL>972</IL>
    <IT>39</IT>
    <CI>225</CI>
    <JP>81</JP>
    <JO>962</JO>
    <KZ>7</KZ>
    <KE>254</KE>
    <KI>686</KI>
    <KW>965</KW>
    <KG>996</KG>
    <LA>856</LA>
    <LV>371</LV>
    <LB>961</LB>
    <LS>266</LS>
    <LR>231</LR>
    <LY>218</LY>
    <LI>423</LI>
    <LT>370</LT>
    <LU>352</LU>
    <MO>853</MO>
    <MK>389</MK>
    <MG>261</MG>
    <MW>265</MW>
    <MY>60</MY>
    <MV>960</MV>
    <ML>223</ML>
    <MT>356</MT>
    <MH>692</MH>
    <MR>222</MR>
    <MU>230</MU>
    <YT>262</YT>
    <MX>52</MX>
    <FM>691</FM>
    <MD>373</MD>
    <MC>377</MC>
    <MN>976</MN>
    <ME>382</ME>
    <MA>212</MA>
    <MZ>258</MZ>
    <NA>264</NA>
    <NR>674</NR>
    <NP>977</NP>
    <NL>31</NL>
    <AN>599</AN>
    <NC>687</NC>
    <NZ>64</NZ>
    <NI>505</NI>
    <NE>227</NE>
    <NG>234</NG>
    <NU>683</NU>
    <KP>850</KP>
    <NO>47</NO>
    <OM>968</OM>
    <PK>92</PK>
    <PW>680</PW>
    <PA>507</PA>
    <PG>675</PG>
    <PY>595</PY>
    <PE>51</PE>
    <PH>63</PH>
    <PN>870</PN>
    <PL>48</PL>
    <PT>351</PT>
    <PR>1</PR>
    <QA>974</QA>
    <RO>40</RO>
    <RU>7</RU>
    <RW>250</RW>
    <BL>590</BL>
    <WS>685</WS>
    <SM>378</SM>
    <ST>239</ST>
    <SA>966</SA>
    <SN>221</SN>
    <RS>381</RS>
    <SC>248</SC>
    <SL>232</SL>
    <SG>65</SG>
    <SK>421</SK>
    <SI>386</SI>
    <SB>677</SB>
    <SO>252</SO>
    <ZA>27</ZA>
    <KR>82</KR>
    <ES>34</ES>
    <LK>94</LK>
    <SH>290</SH>
    <PM>508</PM>
    <SD>249</SD>
    <SR>597</SR>
    <SZ>268</SZ>
    <SE>46</SE>
    <CH>41</CH>
    <SY>963</SY>
    <TW>886</TW>
    <TJ>992</TJ>
    <TZ>255</TZ>
    <TH>66</TH>
    <TG>228</TG>
    <TK>690</TK>
    <TO>676</TO>
    <TN>216</TN>
    <TR>90</TR>
    <TM>993</TM>
    <TV>688</TV>
    <AE>971</AE>
    <UG>256</UG>
    <GB>44</GB>
    <UA>380</UA>
    <UY>598</UY>
    <US>1</US>
    <UZ>998</UZ>
    <VU>678</VU>
    <VA>39</VA>
    <VE>58</VE>
    <VN>84</VN>
    <WF>681</WF>
    <YE>967</YE>
    <ZM>260</ZM>
    <ZW>263</ZW>
</icc>

Answer 3

这个问题给了我很多帮助，我想给你们一个从电话代码中提供国家代码的课程，反之亦然。

用法：

CountryCodes.getCode(String country)返回国家/地区代码的国际代码
CountryCodes.getCountry(String code)从国际代码

此类的实例可以作为Views的适配器提供，例如在Activity onCreate：

中

protected void onCreate(Bundle savedInstanceState)
{
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_layout);    // your layout xml

    Spinner s = ( Spinner )findViewById( R.id.spinner1 );  // id of your spinner
    CountryCodes cc = new CountryCodes( this );
    s.setAdapter( cc );

    TelephonyManager man = (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);
    int index = CountryCodes.getIndex( man.getSimCountryIso() );
    if( index > -1 )
    {
        s.setSelection( index );
    }
}

以下是类代码

CountryCodes.java

import java.util.ArrayList;
import java.util.Locale;

import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;

/**
 * Call getCountry( String code ) to get matching country sign.
 * Call getCode( String country ) to get matching phone code.
 * It has been extended from BaseAdapter in order to make it compatible with Spinner,
 * ListView and so on (just instance it and give it as adapter).
 * 
 * This class is provided AS IS without any warranty.
 * 
 * @author Niki Romagnoli
 *
 */

public class CountryCodes extends BaseAdapter{

    private static final String[] m_Countries = {
        "AD",
        "AE",
        "AF",
        "AL",
        "AM",
        "AN",
        "AO",
        "AQ",
        "AR",
        "AT",
        "AU",
        "AW",
        "AZ",
        "BA",
        "BD",
        "BE",
        "BF",
        "BG",
        "BH",
        "BI",
        "BJ",
        "BL",
        "BN",
        "BO",
        "BR",
        "BT",
        "BW",
        "BY",
        "BZ",
        "CA",
        "CC",
        "CD",
        "CF",
        "CG",
        "CH",
        "CI",
        "CK",
        "CL",
        "CM",
        "CN",
        "CO",
        "CR",
        "CU",
        "CV",
        "CX",
        "CY",
        "CZ",
        "DE",
        "DJ",
        "DK",
        "DZ",
        "EC",
        "EE",
        "EG",
        "ER",
        "ES",
        "ET",
        "FI",
        "FJ",
        "FK",
        "FM",
        "FO",
        "FR",
        "GA",
        "GB",
        "GE",
        "GH",
        "GI",
        "GL",
        "GM",
        "GN",
        "GQ",
        "GR",
        "GT",
        "GW",
        "GY",
        "HK",
        "HN",
        "HR",
        "HT",
        "HU",
        "ID",
        "IE",
        "IL",
        "IM",
        "IN",
        "IQ",
        "IR",
        "IT",
        "JO",
        "JP",
        "KE",
        "KG",
        "KH",
        "KI",
        "KM",
        "KP",
        "KR",
        "KW",
        "KZ",
        "LA",
        "LB",
        "LI",
        "LK",
        "LR",
        "LS",
        "LT",
        "LU",
        "LV",
        "LY",
        "MA",
        "MC",
        "MD",
        "ME",
        "MG",
        "MH",
        "MK",
        "ML",
        "MM",
        "MN",
        "MO",
        "MR",
        "MT",
        "MU",
        "MV",
        "MW",
        "MX",
        "MY",
        "MZ",
        "NA",
        "NC",
        "NE",
        "NG",
        "NI",
        "NL",
        "NO",
        "NP",
        "NR",
        "NU",
        "NZ",
        "OM",
        "PA",
        "PE",
        "PF",
        "PG",
        "PH",
        "PK",
        "PL",
        "PM",
        "PN",
        "PR",
        "PT",
        "PW",
        "PY",
        "QA",
        "RO",
        "RS",
        "RU",
        "RW",
        "SA",
        "SB",
        "SC",
        "SD",
        "SE",
        "SG",
        "SH",
        "SI",
        "SK",
        "SL",
        "SM",
        "SN",
        "SO",
        "SR",
        "ST",
        "SV",
        "SY",
        "SZ",
        "TD",
        "TG",
        "TH",
        "TJ",
        "TK",
        "TL",
        "TM",
        "TN",
        "TO",
        "TR",
        "TV",
        "TW",
        "TZ",
        "UA",
        "UG",
        "US",
        "UY",
        "UZ",
        "VA",
        "VE",
        "VN",
        "VU",
        "WF",
        "WS",
        "YE",
        "YT",
        "ZA",
        "ZM",
        "ZW"
    };

    private static final String[] m_Codes = {
        "376",
        "971",
        "93",
        "355",
        "374",
        "599",
        "244",
        "672",
        "54",
        "43",
        "61",
        "297",
        "994",
        "387",
        "880",
        "32",
        "226",
        "359",
        "973",
        "257",
        "229",
        "590",
        "673",
        "591",
        "55",
        "975",
        "267",
        "375",
        "501",
        "1",
        "61",
        "243",
        "236",
        "242",
        "41",
        "225",
        "682",
        "56",
        "237",
        "86",
        "57",
        "506",
        "53",
        "238",
        "61",
        "357",
        "420",
        "49",
        "253",
        "45",
        "213",
        "593",
        "372",
        "20",
        "291",
        "34",
        "251",
        "358",
        "679",
        "500",
        "691",
        "298",
        "33",
        "241",
        "44",
        "995",
        "233",
        "350",
        "299",
        "220",
        "224",
        "240",
        "30",
        "502",
        "245",
        "592",
        "852",
        "504",
        "385",
        "509",
        "36",
        "62",
        "353",
        "972",
        "44",
        "91",
        "964",
        "98",
        "39",
        "962",
        "81",
        "254",
        "996",
        "855",
        "686",
        "269",
        "850",
        "82",
        "965",
        "7",
        "856",
        "961",
        "423",
        "94",
        "231",
        "266",
        "370",
        "352",
        "371",
        "218",
        "212",
        "377",
        "373",
        "382",
        "261",
        "692",
        "389",
        "223",
        "95",
        "976",
        "853",
        "222",
        "356",
        "230",
        "960",
        "265",
        "52",
        "60",
        "258",
        "264",
        "687",
        "227",
        "234",
        "505",
        "31",
        "47",
        "977",
        "674",
        "683",
        "64",
        "968",
        "507",
        "51",
        "689",
        "675",
        "63",
        "92",
        "48",
        "508",
        "870",
        "1",
        "351",
        "680",
        "595",
        "974",
        "40",
        "381",
        "7",
        "250",
        "966",
        "677",
        "248",
        "249",
        "46",
        "65",
        "290",
        "386",
        "421",
        "232",
        "378",
        "221",
        "252",
        "597",
        "239",
        "503",
        "963",
        "268",
        "235",
        "228",
        "66",
        "992",
        "690",
        "670",
        "993",
        "216",
        "676",
        "90",
        "688",
        "886",
        "255",
        "380",
        "256",
        "1",
        "598",
        "998",
        "39",
        "58",
        "84",
        "678",
        "681",
        "685",
        "967",
        "262",
        "27",
        "260",
        "263"
    };

    private Context m_Context;

    public CountryCodes( Context cxt )
    {
        super();

        m_Context = cxt;
    }

    /**
     * Get phone code from country sign.
     * 
     * @param country: two-chars country sign to fetch ("US", "IT", "GB", ...)
     * @return string of matching phone code ("1", "39", "44", ...). null if none matches.
     */
    public static String getCode( String country )
    {
        int index = getIndex( country );
        return index == -1? null: getCode(index);
    }

    /**
     * Get international code at provided index.
     * 
     * @param index: array index
     * @return international code
     */
    public static String getCode( int index )
    {
        return m_Codes[index];
    }

    /**
     * Get country signs from phone code.
     * More countries may match the same code. 
     * 
     * @param code: phone code to fetch ("1", "39", "44", ...)
     * @return list of uppercase country signs (["US","PR","CA"], ["IT","VA"], ["GB","IM"], ...)
     *          Empty list if none matches.
     */
    public static ArrayList<String> getCountry( String code )
    {
        ArrayList<String> matches = new ArrayList<String>();
        getCountry(code, matches);
        return matches;
    }

    /**
     * Memory cheap version of country fetching: uses user provided list as output which outside 
     * could be recycled on desire.
     * 
     * @param code: country sign to fetch
     * @param matches: list to fill with matches, used as output
     */
    public static void getCountry( String code, ArrayList<String> matches )
    {
        matches.clear();

        for( int i=0; i<m_Codes.length; ++i )
            if( m_Codes[i].equals( code ) )
                matches.add(getCountry(i));
    }

    /**
     * Returns country sign at specified index of internal array.
     * 
     * @param index: index to fetch
     * @return country sign
     */
    public static String getCountry( int index )
    {
        return m_Countries[index];
    }

    /**
     * Looks for country sign array index.
     * 
     * @param country: country sign to search
     * @return array index. -1 if none matches.
     */
    public static int getIndex( String country )
    {
        String search = country.toUpperCase(Locale.getDefault());

        for( int i=0; i<m_Countries.length; ++i )
            if( m_Countries[i].equals( search ) )
                return i;

        return -1;
    }

    @Override
    public int getCount() {
        return m_Codes.length;
    }

    @Override
    public Object getItem(int index) {
        return m_Countries[index];
    }

    @Override
    public long getItemId(int index) {
        return index;
    }

    @Override
    public View getView(int index, View recycleView, ViewGroup viewGroup) {
        TextView view;
        if( recycleView == null )
        {
            view = new TextView(m_Context);
            view.setPadding(30, 10, 10, 10);
        }
        else
        {
            view = (TextView)recycleView;
        }

        view.setText(m_Countries[index]);

        return view;
    }
}

我正在使用它并且似乎有用，但是，你知道，只是死亡和税收是肯定的。随意定制并建议修复。

HTH

Answer 4

使用compile 'com.googlecode.libphonenumber:libphonenumber:8.0.1'依赖项。这使得任务变得简单并且提供了准确的结果，因为它是谷歌。

Here你可以了解更多信息。

我得到的输出是这样的：

这里我使用微调器。

1）我创建了一个自定义Adapter CountryCodesAdapter：

package com.amitupadhyay.getcountrycode;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.CheckedTextView;
import android.widget.TextView;

import com.google.i18n.phonenumbers.PhoneNumberUtil;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Locale;

/**
 * Created by aupadhyay on 1/24/17.
 */

public class CountryCodesAdapter extends BaseAdapter {

    private final LayoutInflater mInflater;
    private final List<CountryCode> mData;
    private final int mViewId;
    private final int mDropdownViewId;
    private int mSelected;

    public static final class CountryCode implements Comparable<String> {
        public String regionCode;
        public int countryCode;
        public String regionName;

        @Override
        public int compareTo(String another) {
            return regionCode != null && another != null ? regionCode.compareTo(another) : 1;
        }

        @Override
        public boolean equals(Object o) {
            if (this == o)
                return true;

            if (o != null && o instanceof CountryCode) {
                CountryCode other = (CountryCode) o;

                return regionCode != null &&
                        regionCode.equals(other.regionCode);
            }

            return false;
        }

        @Override
        public String toString() {
            return regionCode;
        }
    }

    public CountryCodesAdapter(Context context, int viewId, int dropdownViewId) {
        this(context, new ArrayList<CountryCode>(), viewId, dropdownViewId);
    }

    public CountryCodesAdapter(Context context, List<CountryCode> data, int viewId, int dropdownViewId) {
        mInflater = LayoutInflater.from(context);
        mData = data;
        mViewId = viewId;
        mDropdownViewId = dropdownViewId;
    }

    public void add(CountryCode entry) {
        mData.add(entry);
    }

    public void add(String regionCode) {
        CountryCode cc = new CountryCode();
        cc.regionCode = regionCode;
        cc.countryCode = PhoneNumberUtil.getInstance().getCountryCodeForRegion(regionCode);
        cc.regionName = getRegionDisplayName(regionCode, Locale.getDefault());
        mData.add(cc);
    }

    public void clear() {
        mData.clear();
    }

    public void sort(Comparator<? super CountryCode> comparator) {
        Collections.sort(mData, comparator);
    }

    @Override
    public int getCount() {
        return mData.size();
    }

    @Override
    public Object getItem(int position) {
        return mData.get(position);
    }

    @Override
    public long getItemId(int position) {
        CountryCode e = mData.get(position);
        return (e != null) ? e.countryCode : -1;
    }

    public int getPositionForId(CountryCode cc) {
        return cc != null ? mData.indexOf(cc) : -1;
    }

    public void setSelected(int position) {
        mSelected = position;
    }

    @Override
    public View getDropDownView(int position, View convertView, ViewGroup parent) {
        CheckedTextView textView;
        View view;
        if (convertView == null) {
            view = mInflater.inflate(mDropdownViewId, parent, false);
            textView = (CheckedTextView) view.findViewById(android.R.id.text1);
            view.setTag(textView);
        }
        else {
            view = convertView;
            textView = (CheckedTextView) view.getTag();
        }

        CountryCode e = mData.get(position);

        StringBuilder text = new StringBuilder(5)
                .append(e.regionName)
                .append(" (+")
                .append(e.countryCode)
                .append(')');

        textView.setText(text);
        textView.setChecked((mSelected == position));

        return view;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        TextView textView;
        View view;
        if (convertView == null) {
            view = mInflater.inflate(mViewId, parent, false);
            textView = (TextView) view.findViewById(android.R.id.text1);
            view.setTag(textView);
        }
        else {
            view = convertView;
            textView = (TextView) view.getTag();
        }

        CountryCode e = mData.get(position);

        StringBuilder text = new StringBuilder(3)
                .append('+')
                .append(e.countryCode)
                .append(" (")
                .append(e.regionName)
                .append(')');

        textView.setText(text);

        return view;
    }

    /** Returns the localized region name for the given region code. */
    public String getRegionDisplayName(String regionCode, Locale language) {
        return (regionCode == null || regionCode.equals("ZZ") ||
                regionCode.equals(PhoneNumberUtil.REGION_CODE_FOR_NON_GEO_ENTITY))
                ? "" : new Locale("", regionCode).getDisplayCountry(language);
    }
}

2）现在我显示国家代码微调器的Activity的布局是：

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_height="match_parent"
    android:layout_width="match_parent"
    android:orientation="vertical">
    <include layout="@layout/toolbar_simple"/>
    <ScrollView
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:scrollbars="vertical" >

        <LinearLayout
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:gravity="center_horizontal"
            android:orientation="vertical"
            android:padding="18dip" >

            <Spinner android:id="@+id/phone_cc"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:spinnerMode="dialog"/>

            <EditText
                android:id="@+id/phone_number"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="@string/hint_validation_number"
                android:inputType="phone" />

            <Button
                android:id="@+id/button_validate"
                android:layout_width="match_parent"
                android:layout_height="fill_parent"
                android:text="@string/button_validate" />

           </LinearLayout>

    </ScrollView>
</LinearLayout>

3）java活动代码如下：

package com.amitupadhyay.getcountrycode;

import android.annotation.SuppressLint;
import android.content.Context;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.telephony.TelephonyManager;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Spinner;

import com.amitupadhyay.getcountrycode.CountryCodesAdapter.CountryCode;
import com.google.i18n.phonenumbers.PhoneNumberUtil;
import com.google.i18n.phonenumbers.Phonenumber;

import java.util.Comparator;
import java.util.HashSet;
import java.util.Locale;
import java.util.Set;

public class NumberValidation extends AppCompatActivity {

    private Spinner mCountryCode;
    private EditText mPhone;
    private Button mValidateButton;

    /**
     * Compatibility method for {@link PhoneNumberUtil#getSupportedRegions()}.
     * This was introduced because crappy Honeycomb has an old version of
     * libphonenumber, therefore Dalvik will insist on we using it.
     * In case getSupportedRegions doesn't exist, getSupportedCountries will be
     * used.
     */
    @SuppressWarnings("unchecked")
    private Set<String> getSupportedRegions(PhoneNumberUtil util) {
        try {
            return (Set<String>) util.getClass()
                    .getMethod("getSupportedRegions")
                    .invoke(util);
        }
        catch (NoSuchMethodException e) {
            try {
                return (Set<String>) util.getClass()
                        .getMethod("getSupportedCountries")
                        .invoke(util);
            }
            catch (Exception helpme) {
                // ignored
            }
        }
        catch (Exception e) {
            // ignored
        }
        return new HashSet<>();
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.number_validation);
        //setupToolbar(false);

        mCountryCode = (Spinner) findViewById(R.id.phone_cc);
        mPhone = (EditText) findViewById(R.id.phone_number);
        mValidateButton = (Button) findViewById(R.id.button_validate);

        // populate country codes
        final CountryCodesAdapter ccList = new CountryCodesAdapter(this,
                android.R.layout.simple_list_item_1,
                android.R.layout.simple_spinner_dropdown_item);
        PhoneNumberUtil util = PhoneNumberUtil.getInstance();
        Set<String> ccSet = getSupportedRegions(util);
        for (String cc : ccSet)
            ccList.add(cc);

        ccList.sort(new Comparator<CountryCodesAdapter.CountryCode>() {
            public int compare(CountryCodesAdapter.CountryCode lhs, CountryCodesAdapter.CountryCode rhs) {
                return lhs.regionName.compareTo(rhs.regionName);
            }
        });
        mCountryCode.setAdapter(ccList);
        mCountryCode.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
                ccList.setSelected(position);
            }

            public void onNothingSelected(AdapterView<?> parent) {
                // TODO Auto-generated method stub
            }
        });

        // FIXME this doesn't consider creation because of configuration change
        Phonenumber.PhoneNumber myNum = getMyNumber(this);
        if (myNum != null) {
            CountryCode cc = new CountryCode();
            cc.regionCode = util.getRegionCodeForNumber(myNum);
            if (cc.regionCode == null)
                cc.regionCode = util.getRegionCodeForCountryCode(myNum.getCountryCode());
            mCountryCode.setSelection(ccList.getPositionForId(cc));
            mPhone.setText(String.valueOf(myNum.getNationalNumber()));
        }
        else {
            final TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
            final String regionCode = tm.getSimCountryIso().toUpperCase(Locale.US);
            CountryCode cc = new CountryCode();
            cc.regionCode = regionCode;
            cc.countryCode = util.getCountryCodeForRegion(regionCode);
            mCountryCode.setSelection(ccList.getPositionForId(cc));
        }
    }

    /** Returns the (parsed) number stored in this device SIM card. */
    @SuppressLint("HardwareIds")
    public Phonenumber.PhoneNumber getMyNumber(Context context) {
        try {
            final TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
            final String regionCode = tm.getSimCountryIso().toUpperCase(Locale.US);
            return PhoneNumberUtil.getInstance().parse(tm.getLine1Number(), regionCode);
        }
        catch (Exception e) {
            return null;
        }
    }
}

几个额外功能：

a）您的国家/地区将在微调器中自动选择。

要实现我已经使用过这个：

 Phonenumber.PhoneNumber myNum = getMyNumber(this);
        if (myNum != null) {
            CountryCode cc = new CountryCode();
            cc.regionCode = util.getRegionCodeForNumber(myNum);
            if (cc.regionCode == null)
                cc.regionCode = util.getRegionCodeForCountryCode(myNum.getCountryCode());
            mCountryCode.setSelection(ccList.getPositionForId(cc));
            mPhone.setText(String.valueOf(myNum.getNationalNumber()));
        }
        else {
            final TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
            final String regionCode = tm.getSimCountryIso().toUpperCase(Locale.US);
            CountryCode cc = new CountryCode();
            cc.regionCode = regionCode;
            cc.countryCode = util.getCountryCodeForRegion(regionCode);
            mCountryCode.setSelection(ccList.getPositionForId(cc));
        }

我认为这种方法比这里列出的其他方法要好一些。所以我发布了这个。希望有人可能会觉得有用： - ）

GitHub上的这个项目是here

Answer 5

在这种情况下，这将是：

    /**
     * network iso code: referred and listed at:
     * http://en.wikipedia.org/wiki/List_of_mobile_country_codes
     */
    TelephonyManager manager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
    Constants.DEVICE_COUNTRY = manager.getNetworkCountryIso();

所以没有人必须仔细检查（上下文是有效Context对象的局部变量）。 Constants.DEVICE_COUNTRY是Type String :)（只是一个变量）

Answer 6

将这些添加到string.xml中享受:)

<string-array name="country_code">
            <item></item>
             <item>
                +93

            </item>
            <item>
               +355
            </item>
            <item>
                +213
            </item>
            <item>
                +1684
            </item>
            <item>
                +376
            </item>
            <item>
                +244
            </item>
            <item>
                +1264
            </item>
            <item>
                +672
            </item>
            <item>
                +1268
            </item>
            <item>
                +54
            </item>
            <item>
                +374
            </item>
            <item>
              +297
            </item>
            <item>
                +61
            </item>
            <item>
                +43
            </item>
            <item>
                +994
            </item>
            <item>
                +1242
            </item>
            <item>
                +973
            </item>
            <item>
                +880
            </item>
            <item>
                +1246
            </item>
            <item>
               +375
            </item>
            <item>
                +32
            </item>
            <item>
                +501
            </item>
            <item>
                +229
            </item>
            <item>
                +1441
            </item>
            <item>
                +975
            </item>
            <item>
                +591
            </item>
            <item>
                +387
            </item>
            <item>
                +267
            </item>
            <item>
                +55
            </item>
            <item>
                +246
            </item>
            <item>
                +1284
            </item>
            <item>
                +673
            </item>
            <item>
                +359
            </item>
            <item>
                +226
            </item>
            <item>
                +257
            </item>
            <item>
                +855
            </item>
            <item>
                +237
            </item>
            <item>
                +1
            </item>
            <item>
                +238
            </item>
            <item>
                +1345
            </item>
            <item>
                +236
            </item>
            <item>
                +235
            </item>
            <item>
                +56
            </item>
            <item>
               +86
            </item>
            <item>
                +61
            </item>
            <item>
                +61
            </item>
            <item>
                +57
            </item>
            <item>
                +269
            </item>
            <item>
                +682
            </item>
            <item>
                +506
            </item>
            <item>
                +385
            </item>
            <item>
                +53
            </item>
            <item>
                +599
            </item>
            <item>
                +357
            </item>
            <item>
                +420
            </item>
            <item>
                +243
            </item>
            <item>
               +45
            </item>
            <item>
                +253
            </item>
            <item>
                +1767
            </item>
            <item>
                +1809
            </item>
            <item>
                +670
            </item>
            <item>
                +593
            </item>
            <item>
                +20
            </item>
            <item>
               +503
            </item>
            <item>
               +240
            </item>
            <item>
                +291
            </item>
            <item>
                +372
            </item>
            <item>
                +251
            </item>
            <item>
                +500
            </item>
            <item>
                +298
            </item>
            <item>
               +679
            </item>
            <item>
                +358
            </item>
            <item>
                +33
            </item>
            <item>
                +689
            </item>
            <item>
                +241
            </item>
            <item>
                +220
            </item>
            <item>
                +995
            </item>
            <item>
               +49
            </item>
            <item>
                +233
            </item>
            <item>
                +350
            </item>
            <item>
                +30
            </item>
            <item>
                +299
            </item>
            <item>
               +1473
            </item>
            <item>
                +1671
            </item>
            <item>
                +502
            </item>
            <item>
                +441481
            </item>
            <item>
               +224
            </item>
            <item>
                +245
            </item>
            <item>
                +592
            </item>
            <item>
                +509
            </item>
            <item>
                +504
            </item>
            <item>
               +852
            </item>
            <item>
                +36
            </item>
            <item>
                +354
            </item>
            <item>
               +91
            </item>
            <item>
                +62
            </item>
            <item>
                +98
            </item>
            <item>
               +964
            </item>
            <item>
                +53
            </item>
            <item>
             +441624
            </item>
            <item>
               +972
            </item>
            <item>
                +39
            </item>
            <item>
               +225
            </item>
            <item>
               +1876
            </item>
            <item>
                +81
            </item>
            <item>
                +441534
            </item>
            <item>
                +962
            </item>
            <item>
               +7
            </item>
            <item>
                +254
            </item>
            <item>
               +686
            </item>
            <item>
                +383
            </item>
            <item>
                +965
            </item>
            <item>
               +996
            </item>
            <item>
                +856
            </item>
            <item>
               +371
            </item>
            <item>
                +961
            </item>
            <item>
                +266
            </item>
            <item>
                +231
            </item>
            <item>
                +218
            </item>
            <item>
               +423
            </item>
            <item>
              +370
            </item>
            <item>
                +352
            </item>
            <item>
                +853
            </item>
            <item>
               +389
            </item>
            <item>
               +261
            </item>
            <item>
              +265
            </item>
            <item>
               +60
            </item>
            <item>
               +960
            </item>
            <item>
                +223
            </item>
            <item>
                +356
            </item>
            <item>
                +692
            </item>
            <item>
              +222
            </item>
            <item>
               +230
            </item>
            <item>
               +262
            </item>
            <item>
               +52
            </item>
            <item>
               +691
            </item>
            <item>
               +373
            </item>
            <item>
             +377
            </item>
            <item>
                +976
            </item>
            <item>
                +382
            </item>
            <item>
               +1664
            </item>
            <item>
                +212
            </item>
            <item>
                +258
            </item>
            <item>
              +95
            </item>
            <item>
               +264
            </item>
            <item>
                +674
            </item>
            <item>
               +977
            </item>
            <item>
                +31
            </item>
            <item>
                +599
            </item>
            <item>
                +687
            </item>
            <item>
              +64

            </item>
            <item>
                +505
            </item>
            <item>
                +227
            </item>
            <item>
                +234
            </item>
            <item>
                +683
            </item>
            <item>
                +850
            </item>
            <item>
                +1670
            </item>
            <item>
                +47
            </item>
            <item>
               +968
            </item>
            <item>
               +92
            </item>
            <item>
                +680
            </item>
            <item>
                +970
            </item>
            <item>
                +507
            </item>
            <item>
                +675
            </item>
            <item>
                +595
            </item>
            <item>
               +51
            </item>
            <item>
               +63
            </item>
            <item>
               +64
            </item>
            <item>
                +48
            </item>
            <item>
                +351
            </item>
            <item>
               +1787
            </item>
            <item>
                +974
            </item>
            <item>
               +242
            </item>
            <item>
                +262
            </item>
            <item>
               +40
            </item>
            <item>
              +7
            </item>
            <item>
                +250
            </item>
            <item>
                +590
            </item>
            <item>
                +290
            </item>
            <item>
                +1869
            </item>
            <item>
                +1758
            </item>
            <item>
                +590
            </item>
            <item>
                +508
            </item>
            <item>
                +1784
            </item>
            <item>
                +685
            </item>
            <item>
                +378
            </item>
            <item>
                +239
            </item>
            <item>
                +966
            </item>
            <item>
                +221
            </item>
            <item>
                +381
            </item>
            <item>
                +248
            </item>
            <item>
               +232
            </item>
            <item>
               +65
            </item>
            <item>
               +1721
            </item>
            <item>
                +421
            </item>
            <item>
                +386
            </item>
            <item>
                +677
            </item>
            <item>
                +252
            </item>
            <item>
              +27
            </item>
            <item>
               +82
            </item>
            <item>
               +211
            </item>
            <item>
               +34
            </item>
            <item>
                +94
            </item>
            <item>
              +249
            </item>
            <item>
             +597
            </item>
            <item>
               +47
            </item>
            <item>
                +268
            </item>
            <item>
               +46
            </item>
            <item>
                +41
            </item>
            <item>
               +963
            </item>
            <item>
                +886
            </item>
            <item>
                +992
            </item>
            <item>
                +255
            </item>
            <item>
               +66
            </item>
            <item>
                +228
            </item>
            <item>
               +690
            </item>
            <item>
                +676
            </item>
            <item>
               +1868
            </item>
            <item>
               +216
            </item>
            <item>
                +90
            </item>
            <item>
               +993
            </item>
            <item>
                +1649
            </item>
            <item>
                +688
            </item>
            <item>
                +1340
            </item>
            <item>
                +256
            </item>
            <item>
                +380
            </item>
            <item>
               +971
            </item>
            <item>
                +44
            </item>
            <item>
                +1
            </item>
            <item>
               +598
            </item>
            <item>
                +998
            </item>
            <item>
                +678
            </item>
            <item>
                +379
            </item>
            <item>
                +58
            </item>
            <item>
                +84
            </item>
            <item>
               +681
            </item>
            <item>
                +212
            </item>
            <item>
                967
            </item>
            <item>
                260
            </item>
            <item>
                263
            </item>
        </string-array>
        <string-array name="country_arrays">
            <item>Code</item>
            <item>Afghanistan</item>
            <item>Albania</item>
            <item>Algeria</item>
            <item>American Samoa</item>
            <item>Andorra</item>
            <item>Angola</item>
            <item>Anguilla</item>
            <item>Antarctica</item>
            <item>Antigua and Barbuda</item>
            <item>Argentina</item>
            <item>Armenia</item>
            <item>Aruba</item>
            <item>Australia</item>
            <item>Austria</item>
            <item>Azerbaijan</item>
            <item>Bahrain</item>
            <item>Bangladesh</item>
            <item>Barbados</item>
            <item>Belarus</item>
            <item>Belgium</item>
            <item>Belize</item>
            <item>Benin</item>
            <item>Bermuda</item>
            <item>Bhutan</item>
            <item>Bolivia</item>
            <item>Bosnia and Herzegovina</item>
            <item>Botswana</item>
            <item>Bouvet Island</item>
            <item>Brazil</item>
            <item>British Indian Ocean Territory</item>
            <item>British Virgin Islands</item>
            <item>Brunei</item>
            <item>Bulgaria</item>
            <item>Burkina Faso</item>
            <item>Burundi</item>
            <item>Cambodia</item>
            <item>Cameroon</item>
            <item>Canada</item>
            <item>Cape Verde</item>
            <item>Cayman Islands</item>
            <item>Central African Republic</item>
            <item>Chad</item>
            <item>Chile</item>
            <item>China</item>
            <item>Christmas Island</item>
            <item>Cocos (Keeling) Islands</item>
            <item>Colombia</item>
            <item>Comoros</item>
            <item>Congo</item>
            <item>Cook Islands</item>
            <item>Costa Rica</item>
            <item>Cote d\'Ivoire</item>
            <item>Croatia</item>
            <item>Cuba</item>
            <item>Cyprus</item>
            <item>Czech Republic</item>
            <item>Democratic Republic of the Congo</item>
            <item>Denmark</item>
            <item>Djibouti</item>
            <item>Dominica</item>
            <item>Dominican Republic</item>
            <item>East Timor</item>
            <item>Ecuador</item>
            <item>Egypt</item>
            <item>El Salvador</item>
            <item>Equatorial Guinea</item>
            <item>Eritrea</item>
            <item>Estonia</item>
            <item>Ethiopia</item>
            <item>Faeroe Islands</item>
            <item>Falkland Islands</item>
            <item>Fiji</item>
            <item>Finland</item>
            <item>Former Yugoslav Republic of Macedonia</item>
            <item>France</item>
            <item>French Guiana</item>
            <item>French Polynesia</item>
            <item>French Southern Territories</item>
            <item>Gabon</item>
            <item>Georgia</item>
            <item>Germany</item>
            <item>Ghana</item>
            <item>Gibraltar</item>
            <item>Greece</item>
            <item>Greenland</item>
            <item>Grenada</item>
            <item>Guadeloupe</item>
            <item>Guam</item>
            <item>Guatemala</item>
            <item>Guinea</item>
            <item>Guinea-Bissau</item>
            <item>Guyana</item>
            <item>Haiti</item>
            <item>Heard Island and McDonald Islands</item>
            <item>Honduras</item>
            <item>Hong Kong</item>
            <item>Hungary</item>
            <item>Iceland</item>
            <item>India</item>
            <item>Indonesia</item>
            <item>Iran</item>
            <item>Iraq</item>
            <item>Ireland</item>
            <item>Israel</item>
            <item>Italy</item>
            <item>Jamaica</item>
            <item>Japan</item>
            <item>Jordan</item>
            <item>Kazakhstan</item>
            <item>Kenya</item>
            <item>Kiribati</item>
            <item>Kuwait</item>
            <item>Kyrgyzstan</item>
            <item>Laos</item>
            <item>Latvia</item>
            <item>Lebanon</item>
            <item>Lesotho</item>
            <item>Liberia</item>
            <item>Libya</item>
            <item>Liechtenstein</item>
            <item>Lithuania</item>
            <item>Luxembourg</item>
            <item>Macau</item>
            <item>Madagascar</item>
            <item>Malawi</item>
            <item>Malaysia</item>
            <item>Maldives</item>
            <item>Mali</item>
            <item>Malta</item>
            <item>Marshall Islands</item>
            <item>Martinique</item>
            <item>Mauritania</item>
            <item>Mauritius</item>
            <item>Mayotte</item>
            <item>Mexico</item>
            <item>Micronesia</item>
            <item>Moldova</item>
            <item>Monaco</item>
            <item>Mongolia</item>
            <item>Montenegro</item>
            <item>Montserrat</item>
            <item>Morocco</item>
            <item>Mozambique</item>
            <item>Myanmar</item>
            <item>Namibia</item>
            <item>Nauru</item>
            <item>Nepal</item>
            <item>Netherlands</item>
            <item>Netherlands Antilles</item>
            <item>New Caledonia</item>
            <item>New Zealand</item>
            <item>Nicaragua</item>
            <item>Niger</item>
            <item>Nigeria</item>
            <item>Niue</item>
            <item>Norfolk Island</item>
            <item>North Korea</item>
            <item>Northern Marianas</item>
            <item>Norway</item>
            <item>Oman</item>
            <item>Pakistan</item>
            <item>Palau</item>
            <item>Panama</item>
            <item>Papua New Guinea</item>
            <item>Paraguay</item>
            <item>Peru</item>
            <item>Philippines</item>
            <item>Pitcairn Islands</item>
            <item>Poland</item>
            <item>Portugal</item>
            <item>Puerto Rico</item>
            <item>Qatar</item>
            <item>Reunion</item>
            <item>Romania</item>
            <item>Russia</item>
            <item>Rwanda</item>
            <item>Sqo Tome and Principe</item>
            <item>Saint Helena</item>
            <item>Saint Kitts and Nevis</item>
            <item>Saint Lucia</item>
            <item>Saint Pierre and Miquelon</item>
            <item>Saint Vincent and the Grenadines</item>
            <item>Samoa</item>
            <item>San Marino</item>
            <item>Saudi Arabia</item>
            <item>Senegal</item>
            <item>Serbia</item>
            <item>Seychelles</item>
            <item>Sierra Leone</item>
            <item>Singapore</item>
            <item>Slovakia</item>
            <item>Slovenia</item>
            <item>Solomon Islands</item>
            <item>Somalia</item>
            <item>South Africa</item>
            <item>South Georgia and the South Sandwich Islands</item>
            <item>South Korea</item>
            <item>South Sudan</item>
            <item>Spain</item>
            <item>Sri Lanka</item>
            <item>Sudan</item>
            <item>Suriname</item>
            <item>Svalbard and Jan Mayen</item>
            <item>Swaziland</item>
            <item>Sweden</item>
            <item>Switzerland</item>
            <item>Syria</item>
            <item>Taiwan</item>
            <item>Tajikistan</item>
            <item>Tanzania</item>
            <item>Thailand</item>
            <item>The Bahamas</item>
            <item>The Gambia</item>
            <item>Togo</item>
            <item>Tokelau</item>
            <item>Tonga</item>
            <item>Trinidad and Tobago</item>
            <item>Tunisia</item>
            <item>Turkey</item>
            <item>Turkmenistan</item>
            <item>Turks and Caicos Islands</item>
            <item>Tuvalu</item>
            <item>Virgin Islands</item>
            <item>Uganda</item>
            <item>Ukraine</item>
            <item>United Arab Emirates</item>
            <item>United Kingdom</item>
            <item>United States</item>
            <item>United States Minor Outlying Islands</item>
            <item>Uruguay</item>
            <item>Uzbekistan</item>
            <item>Vanuatu</item>
            <item>Vatican City</item>
            <item>Venezuela</item>
            <item>Vietnam</item>
            <item>Wallis and Futuna</item>
            <item>Western Sahara</item>
            <item>Yemen</item>
            <item>Yugoslavia</item>
            <item>Zambia</item>
            <item>Zimbabwe</item>
        </string-array>

Answer 7

If you happen to use Google's libphonenumber anyway, and if you work with phone numbers, it's rather likely you do, you can use its internal data that describes the same. It's not public, so you have to use reflection to reach it:

Map<Integer, List<String>> CountryCodeToRegionCodeMap_getCountryCodeToRegionCodeMap() {
  try {
    Method method = CountryCodeToRegionCodeMap.class.getDeclaredMethod("getCountryCodeToRegionCodeMap");
    method.setAccessible(true);
    return (Map<Integer, List<String>>) method.invoke(null);
  }
  catch (Exception e) {
    Log.e(..., e.toString());
    return null;
  }
}

Then you can search or process that map to get the data you want.

Answer 8

我知道为时已晚。但我有一个更好的解决方案。由于使用String列表执行此操作并循环浏览它可能会降低速度。使用Hashmap将是一个更好的解决方案。我为它写了一个PhoneUtil课程。这是代码（我只有20个左右的国家，但你可以添加更多）

import android.content.Context;
import android.telephony.TelephonyManager;

import java.util.HashMap;

/**
 * Created by Dell on 1/19/2017.
 */

public class PhoneUtil {
    public static String getCountryCode(Context context) {
        TelephonyManager manager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
        if (manager != null) {
            return getCountryCodeFromMap(manager.getSimCountryIso().toUpperCase());
        } else {
            return null;

        }

    }

    private static String getCountryCodeFromMap(String countryCode) {
        HashMap<String, String> countryCodeMap = new HashMap<>();

          countryCodeMap.put("TJ", "+992");
    countryCodeMap.put("TZ", "+255");
    countryCodeMap.put("TH", "+66");
    countryCodeMap.put("TG", "+228");
    countryCodeMap.put("TK", "+690");
    countryCodeMap.put("TO", "+676");
    countryCodeMap.put("TN", "+216");
    countryCodeMap.put("TR", "+90");
    countryCodeMap.put("TM", "+993");
    countryCodeMap.put("TV", "+688");
    countryCodeMap.put("AE", "+971");
    countryCodeMap.put("UG", "+256");
    countryCodeMap.put("GB", "+44");
    countryCodeMap.put("UA", "+380");
    countryCodeMap.put("UY", "+598");
    countryCodeMap.put("US", "+1");
    countryCodeMap.put("UZ", "+998");
    countryCodeMap.put("VU", "+678");
    countryCodeMap.put("VA", "+39");
    countryCodeMap.put("VE", "+58");
    countryCodeMap.put("VN", "+84");
    countryCodeMap.put("WF", "+681");
    countryCodeMap.put("YE", "+967");
    countryCodeMap.put("ZM", "+260");
    countryCodeMap.put("ZW", "+263");
    countryCodeMap.put( "MY","+60");
    countryCodeMap.put("PK","+92");
        return countryCodeMap.get(countryCode);
    }
}

Answer 9

在TelephonyManager类中，我找到了一个方法public String getNetworkCountryIso ()，这可能就是你想要的。此外，还有一些其他方法可以返回有关手机的更多信息。您可以阅读http://en.wikipedia.org/wiki/List_of_mobile_country_codes以查看MCC代表的国家/地区。

Answer 10

这是放入主活动中的代码，用于替换Wais在此页面顶部附近发布的代码。获取Wais发布的数组，并将其添加到资源中的应用程序中。我可能稍微改变了要存储在资源中的数组的名称，除此之外，如果您正在学习，此代码应该可以正常工作并且更容易阅读：

public String getCountryCode()
{
    String my_country_code_letters = getMyLocale().getCountry();

    String[] country_codes = this.getResources().getStringArray(R.array.country_codes);

    String my_country_code_number = null;
    //------------------------------------------------------------------------------------------
    for (int i=0; i < country_codes.length && i != (-1); i++)
    {
        /**split_code:
         * 1) split_code[0] == numbers
         * 2) split_code[1] == letters**/
        String[] split_code = country_codes[i].split(",");
        //--------------------------------------------------------------------------------------
        if (split_code[1].matches(my_country_code_letters))
        {
            my_country_code_number = split_code[0];
            break;
        }
        //--------------------------------------------------------------------------------------
    }
    //------------------------------------------------------------------------------------------

    return my_country_code_number;
}

public Locale getMyLocale()
{
    Log.i(TAG, "Running getMyLocale()");

    Locale myLocale = "";
    //------------------------------------------------------------------------------------------
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
    {
        myLocale = getBaseContext().getResources().getConfiguration().getLocales().get(0);
    }
    else
    {
        //noinspection deprecation
        myLocale = getBaseContext().getResources().getConfiguration().locale;
    }
    //------------------------------------------------------------------------------------------

    return myLocale;
}

使用Android获取电话美国本地区号

10 个答案:

我得到的输出是这样的：

1）我创建了一个自定义Adapter CountryCodesAdapter：

2）现在我显示国家代码微调器的Activity的布局是：

3）java活动代码如下：

几个额外功能：