我正在尝试使用 Yandex API 制作从英语到孟加拉语的翻译应用程序。
它在模拟器中运行良好，但在真实设备中，它仅在文本视图中显示一个单词的结果，但在编写句子时它显示空/无。
我认为问题是缓冲区溢出，但不知道如何为真实设备修复它。这里有一些参考图片。在模拟器中，结果工作正常：
在真实设备中，它在文本视图中显示为空：
但在真实设备中使用单个单词时效果很好。
这是我的 Asynctask 的代码：
public class
TranslatorBackgroundTask extends AsyncTask<String, Void, String> {
//Declare Context
Context ctx;
//Set Context
TranslatorBackgroundTask(Context ctx){
this.ctx = ctx;
}
String resultString;
@Override
protected String doInBackground(String... params) {
//String variables
String textToBeTranslated = params[0];
String languagePair = params[1];
String jsonString;
try {
//Set up the translation call URL
String yandexKey = "trnsl.1.1.20170823T130435Z.79a583874abfc8ff.61e23593359fdc92452e69a3d5ec05347fc4180b";
String yandexUrl = "https://translate.yandex.net/api/v1.5/tr.json/translate?key=" + yandexKey
+ "&text=" + textToBeTranslated + "&lang=" + languagePair;
URL yandexTranslateURL = new URL(yandexUrl);
//Set Http Conncection, Input Stream, and Buffered Reader
HttpURLConnection httpJsonConnection = (HttpURLConnection) yandexTranslateURL.openConnection();
InputStream inputStream = httpJsonConnection.getInputStream();
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
//Set string builder and insert retrieved JSON result into it
StringBuilder jsonStringBuilder = new StringBuilder();
while ((jsonString = bufferedReader.readLine()) != null) {
jsonStringBuilder.append(jsonString + "\n");
}
//Close and disconnect
try {
bufferedReader.close();
} catch (IOException e) {
e.printStackTrace();
}
inputStream.close();
httpJsonConnection.disconnect();
//Making result human readable
resultString = jsonStringBuilder.toString().trim();
//Getting the characters between [ and ]
resultString = resultString.substring(resultString.indexOf('[')+1);
resultString = resultString.substring(0,resultString.indexOf("]"));
//Getting the characters between " and "
resultString = resultString.substring(resultString.indexOf("\"")+1);
resultString = resultString.substring(0,resultString.indexOf("\""));
Log.d("Translation Result:", resultString);
return jsonStringBuilder.toString().trim();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
//String text = String.valueOf(resultString);
@Override
protected void onPreExecute() {
super.onPreExecute();
}
@Override
protected void onPostExecute(String result) {
MainActivity.tvTranslatedText.setText(resultString);
Toast.makeText(ctx, resultString, Toast.LENGTH_LONG).show();
super.onPostExecute(result);
}
@Override
protected void onProgressUpdate(Void... values) {
super.onProgressUpdate(values);
}
}
主要活动的代码：
public class MainActivity extends AppCompatActivity{
Context context=this;
private static final int REQUEST_CODE = 1234;
static TextView tvTranslatedText;
EditText etUserText;
Button buTranslate;
Button buSpeak;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.layout_activity_main);
tvTranslatedText = (TextView)findViewById(R.id.tvTranslatedText);
etUserText = (EditText)findViewById(R.id.etUserText);
buTranslate = (Button)findViewById(R.id.buTranslate);
buSpeak = (Button)findViewById(R.id.buSpeak);
}
public void buTranslate(View view) {
//Default variables for translation
String textToBeTranslated = "";
textToBeTranslated= etUserText.getText().toString();
String languagePair = "en-bn"; //English to bengali ("<source_language>-<target_language>")
//Executing the translation function
Translate(textToBeTranslated,languagePair);
}
//Function for calling executing the Translator Background Task
void Translate(String textToBeTranslated, String languagePair){
TranslatorBackgroundTask translatorBackgroundTask= new TranslatorBackgroundTask(context);
String translationResult = "";
translationResult = String.valueOf(translatorBackgroundTask.execute(textToBeTranslated,languagePair)); // Returns the translated text as a String
Log.d("Translation Result",translationResult); // Logs the result in Android Monitor
}
//Speak button activities
public void buSpeak(View view) {
startVoiceRecognitionActivity();
}
private void startVoiceRecognitionActivity()
{
Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,
RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
intent.putExtra(RecognizerIntent.EXTRA_PROMPT, "Speak to translate");
startActivityForResult(intent, REQUEST_CODE);
}
/**
* Handle the results from the voice recognition activity.
*/
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == REQUEST_CODE && resultCode == RESULT_OK) {
if (data != null) {
//pull all of the matches
ArrayList<String> matches = data.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);
String topResult = matches.get(0);
EditText AutoText = (EditText) findViewById(R.id.etUserText);
AutoText.setText(topResult);
}
}
}
}
错误信息：
引起：com.google.android.apps.gsa.shared.exception.GsaIOException：错误代码：393238 | 缓冲区溢出，没有可用空间。