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我正在尝试在我的 Android 应用程序中使用 Yandex 翻译器，但它给出了错误。在 Java 应用程序（主要）中进行测试时，它可以完美运行。我的问题是什么？

主要代码：

import com.rmtheis.yandtran.language.Language;
import com.rmtheis.yandtran.translate.Translate;
import com.veryinteligent.jarvas.R;

import com.veryinteligent.jarvas.activity.WordCommands;

import android.app.Activity;
import android.os.Bundle;

public class YandexTranslator extends Activity{

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);
        setContentView(R.layout.wordcommands);
        Translate.setKey(WordCommands.myKey);
        String term = "obrigado por me ajudar";
        try {
            term = Translate.execute(term, Language.PORTUGUESE, Language.ENGLISH);
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        System.out.println(term);
    }
}  

import com.rmtheis.yandtran.language.Language;
import com.rmtheis.yandtran.translate.Translate;

public class TranslationTester {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Translate.setKey("trnsl.1.1.20160515T173032Z.cb8002677c95725e.93f4f996a1647d5d0c6e336758723a8bb1bb41b4");

        String term = "abrir vá";
        try {
            term = Translate.execute(term, Language.PORTUGUESE, Language.ENGLISH);
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        System.out.println(term);

    }

}

错误：

08-11 16:10:35.333: I/dalvikvm(1152): Could not find method org.json.simple.JSONValue.parse, referenced from method com.rmtheis.yandtran.YandexTranslatorAPI.jsonObjValToStringArr
08-11 16:10:35.333: W/dalvikvm(1152): VFY: unable to resolve static method 15804: Lorg/json/simple/JSONValue;.parse (Ljava/lang/String;)Ljava/lang/Object;
08-11 16:10:35.333: D/dalvikvm(1152): VFY: replacing opcode 0x71 at 0x0000
08-11 16:10:35.333: D/dalvikvm(1152): VFY: dead code 0x0003-0015 in Lcom/rmtheis/yandtran/YandexTranslatorAPI;.jsonObjValToStringArr (Ljava/lang/String;Ljava/lang/String;)[Ljava/lang/String;
08-11 16:10:35.333: I/dalvikvm(1152): Could not find method org.json.simple.JSONValue.parse, referenced from method com.rmtheis.yandtran.YandexTranslatorAPI.retrievePropString
08-11 16:10:35.333: W/dalvikvm(1152): VFY: unable to resolve static method 15804: Lorg/json/simple/JSONValue;.parse (Ljava/lang/String;)Ljava/lang/Object;
08-11 16:10:35.333: D/dalvikvm(1152): VFY: replacing opcode 0x71 at 0x0004
08-11 16:10:35.333: D/dalvikvm(1152): VFY: dead code 0x0007-0012 in Lcom/rmtheis/yandtran/YandexTranslatorAPI;.retrievePropString (Ljava/net/URL;Ljava/lang/String;)Ljava/lang/String;
08-11 16:10:35.333: W/System.err(1152): java.net.UnknownHostException: translate.yandex.net
08-11 16:10:35.333: W/System.err(1152):     at java.net.InetAddress.lookupHostByName(InetAddress.java:497)
08-11 16:10:35.333: W/System.err(1152):     at java.net.InetAddress.getAllByNameImpl(InetAddress.java:294)
08-11 16:10:35.333: W/System.err(1152):     at java.net.InetAddress.getAllByName(InetAddress.java:256)
08-11 16:10:35.333: W/System.err(1152):     at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnection.<init>(HttpConnection.java:69)
08-11 16:10:35.333: W/System.err(1152):     at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnection.<init>(HttpConnection.java:48)
08-11 16:10:35.333: W/System.err(1152):     at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnection$Address.connect(HttpConnection.java:322)
08-11 16:10:35.333: W/System.err(1152):     at org.apache.harmony.luni.internal.net.www.protocol.http.HttpConnectionPool.get(HttpConnectionPool.java:89)
08-11 16:10:35.333: W/System.err(1152):     at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.getHttpConnection(HttpURLConnectionImpl.java:285)
08-11 16:10:35.333: W/System.err(1152):     at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.makeConnection(HttpURLConnectionImpl.java:267)
08-11 16:10:35.333: W/System.err(1152):     at org.apache.harmony.luni.internal.net.www.protocol.https.HttpsURLConnectionImpl$HttpsEngine.makeSslConnection(HttpsURLConnectionImpl.java:406)
08-11 16:10:35.333: W/System.err(1152):     at org.apache.harmony.luni.internal.net.www.protocol.https.HttpsURLConnectionImpl$HttpsEngine.makeConnection(HttpsURLConnectionImpl.java:387)
08-11 16:10:35.333: W/System.err(1152):     at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.retrieveResponse(HttpURLConnectionImpl.java:1018)
08-11 16:10:35.333: W/System.err(1152):     at org.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnectionImpl.getResponseCode(HttpURLConnectionImpl.java:726)
08-11 16:10:35.333: W/System.err(1152):     at org.apache.harmony.luni.internal.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(HttpsURLConnectionImpl.java:121)
08-11 16:10:35.333: W/System.err(1152):     at com.rmtheis.yandtran.YandexTranslatorAPI.retrieveResponse(YandexTranslatorAPI.java:76)
08-11 16:10:35.333: W/System.err(1152):     at com.rmtheis.yandtran.YandexTranslatorAPI.retrievePropArrString(YandexTranslatorAPI.java:104)
08-11 16:10:35.333: W/System.err(1152):     at com.rmtheis.yandtran.translate.Translate.execute(Translate.java:52)
08-11 16:10:35.333: W/System.err(1152):     at com.veryinteligent.jarvas.activity.YandexTranslator.onCreate(YandexTranslator.java:22)
08-11 16:10:35.333: W/System.err(1152):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
08-11 16:10:35.333: W/System.err(1152):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611)
08-11 16:10:35.333: W/System.err(1152):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
08-11 16:10:35.333: W/System.err(1152):     at android.app.ActivityThread.access$1500(ActivityThread.java:117)
08-11 16:10:35.333: W/System.err(1152):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
08-11 16:10:35.333: W/System.err(1152):     at android.os.Handler.dispatchMessage(Handler.java:99)
08-11 16:10:35.333: W/System.err(1152):     at android.os.Looper.loop(Looper.java:130)
08-11 16:10:35.333: W/System.err(1152):     at android.app.ActivityThread.main(ActivityThread.java:3683)
08-11 16:10:35.333: W/System.err(1152):     at java.lang.reflect.Method.invokeNative(Native Method)
08-11 16:10:35.333: W/System.err(1152):     at java.lang.reflect.Method.invoke(Method.java:507)
08-11 16:10:35.333: W/System.err(1152):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
08-11 16:10:35.333: W/System.err(1152):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
08-11 16:10:35.333: W/System.err(1152):     at dalvik.system.NativeStart.main(Native Method)
08-11 16:10:35.333: I/System.out(1152):
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1 回答 1

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我在这里使用此代码，它对我来说很好用

1：添加json_simple-1.1.jar到你的项目教程

2：将类代码复制yandex-translator-java-api/src/com/rmtheis/yandtran/到您的项目中

3：将您的 API 密钥放入ApiKeys.java

4：把这行翻译成一段文字：

    Translate.setKey(ApiKeys.YANDEX_API_KEY);

    String translatedText = Translate.execute("Hola, mundo!", Language.SPANISH, Language.ENGLISH);

5：如果您收到android.os.NetworkOnMainThreadException错误是因为当应用程序尝试在其主线程上执行网络操作时抛出此异常，解决方案：

-- 在你的YandexTranslatorApi.java

static class RetrieveResponse extends AsyncTask<URL,Void,String>{

        @Override
        protected String doInBackground(URL... params) {
            String result = "";
            try {
                result = retrieveResponse(params[0]);
            } catch (Exception e) {
                e.printStackTrace();
            }
            return result;
        }
    }

-- 在retrievePropString和retrievePropArrString方法中改变这一行：

final String response = retrieveResponse(url);

这样：

final String response = new RetrieveResponse().execute(url).get();

编辑： 添加<uses-permission android:name="android.permission.INTERNET" />到你的AndroidManifest.xml 好运^_^

于 2016-08-22T07:13:20.447 回答