将Yandex翻译器添加到片段会导致"App Crashes"

Question

我在我的应用程序中使用Yandex翻译器，如果我使用活动，它效果很好，但是当我将其添加到片段时，应用程序在启动前崩溃。 代码中也没有显示错误，就像一切都很好，可能是什么问题： 我在这里寻找类似的答案，但我一无所获，在使用片段之前没有人遇到这个问题。

这是片段的代码：

public class FavoritesFragment extends Fragment implements TextToSpeech.OnInitListener{
private TextView header, toText, toLabel, fromLabel;
private ImageView micFrom, volFrom, volTo, reverse;
private EditText fromText;
private CircleButton convertBTN;
private CircleButton convertLayout;
private final int REQ_CODE_SPEECH_INPUT = 100;
private final int SR_CODE = 123;
private String ENGLISH_CONSTANT = "";
private String TURKISH_CONSTANT = "";
private String ENGLISH_CONVERT = "";
private String TURKISH_CONVERT = "";
private String TURKISH_CODE = "";
private String currentFrom = "";
TextToSpeech ttsEnglish, ttsTURKISH;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.fragment_favorites, container, false);
setUpInitialConstants();
setUpInteraction();
setUpSpeakingListeners();
setUpListeners();
return v;
}

private void setUpInitialConstants() {
ENGLISH_CONSTANT = ("ENGLISH");
TURKISH_CONSTANT = ("TURKISH");
ENGLISH_CONVERT = ("en") + "-" + ("tr");//"en-zh";
TURKISH_CONVERT = ("tr") + "-" + ("en");
//"zh-en";
TURKISH_CODE = ("tr");
currentFrom = ENGLISH_CONSTANT;
}
private void setUpSpeakingListeners() {
ttsEnglish = new TextToSpeech(getContext().getApplicationContext(), new TextToSpeech.OnInitListener() {
@Override
public void onInit(int status) {
// TODO Auto-generated method stub
if (status == TextToSpeech.SUCCESS) {
int result = ttsEnglish.setLanguage(Locale.ENGLISH);
if (result == TextToSpeech.LANG_MISSING_DATA ||
result == TextToSpeech.LANG_NOT_SUPPORTED) {
Log.e("error", "This Language is not supported");
} else {
//ConvertTextToSpeech();
}
} else
Log.e("error", "Initilization Failed!");
}
});
ttsTURKISH = new TextToSpeech(getContext().getApplicationContext(), new TextToSpeech.OnInitListener() {
@Override
public void onInit(int status) {
// TODO Auto-generated method stub
if (status == TextToSpeech.SUCCESS) {
Locale locale = new Locale("tr-TR");
int result = ttsTURKISH.setLanguage(locale);
if (result == TextToSpeech.LANG_MISSING_DATA ||
result == TextToSpeech.LANG_NOT_SUPPORTED) {
Log.e("error", "not supported");
} else {
//ConvertTextToSpeech();

}
} else
Log.e("error", "Initilization Failed!");
}
});
}
@SuppressLint("ClickableViewAccessibility")
private void setUpListeners() {
convertLayout.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Vibrator vibrator = (Vibrator) getActivity().getSystemService(Context.VIBRATOR_SERVICE);
vibrator.vibrate(200);
callReverse();
}
});
micFrom.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Vibrator vibrator = (Vibrator) getActivity().getSystemService(Context.VIBRATOR_SERVICE);
vibrator.vibrate(200);
askSpeechInput(currentFrom);
}
});
volFrom.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Vibrator vibrator = (Vibrator) getActivity().getSystemService(Context.VIBRATOR_SERVICE);
vibrator.vibrate(200);
ConvertTextToSpeech(currentFrom, fromText.getText().toString());
}
});
volTo.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Vibrator vibrator = (Vibrator) getActivity().getSystemService(Context.VIBRATOR_SERVICE);
vibrator.vibrate(200);
String currentFromR = reverseCurrentFrom(currentFrom);
ConvertTextToSpeech(currentFromR, toText.getText().toString());
}
});
convertBTN.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Vibrator vibrator = (Vibrator) getActivity().getSystemService(Context.VIBRATOR_SERVICE);
vibrator.vibrate(200);
if (currentFrom.equals(ENGLISH_CONSTANT))
translateText(fromText.getText().toString(), ENGLISH_CONVERT);
else
translateText(fromText.getText().toString(), TURKISH_CONVERT);
}
});
toText.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Vibrator vibrator = (Vibrator) getActivity().getSystemService(Context.VIBRATOR_SERVICE);
vibrator.vibrate(200);
if (copyToClipboard(getContext().getApplicationContext(), toText.getText().toString())) {
if (currentFrom.equals(ENGLISH_CONSTANT)) {
Toast.makeText(getContext().getApplicationContext(), ("copied"), Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(getContext().getApplicationContext(), (" copied successfully "), Toast.LENGTH_SHORT).show();
}
}
}
});
fromText.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
fromText.setFocusableInTouchMode(true);
return false;
}
});
}
private String reverseCurrentFrom(String currentFrom) {
if (currentFrom.equals(ENGLISH_CONSTANT)) {
return TURKISH_CONSTANT;
} else return ENGLISH_CONSTANT;
}
private void callReverse() {
if (currentFrom.equals(ENGLISH_CONSTANT)) {
currentFrom = TURKISH_CONSTANT;
//header.setText(getString(R.string.convertHeaderR));
fromLabel.setText(("TURKISH"));
fromText.setHint(("push to talk"));
toLabel.setText(("English"));
toText.setText(("Click translate Button to get English text"));
} else {
currentFrom = ENGLISH_CONSTANT;
//header.setText(getString(R.string.convertHeader));
fromLabel.setText(("English"));
fromText.setHint(("Speak or type text here"));
toLabel.setText(("TURKISH"));
toText.setText(("click to translate"));
}
fromText.setText("");
fromText.setFocusable(false);
}
private void setUpInteraction() {
this.getActivity().getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);


toText = getView().findViewById(R.id.toText);
toLabel = getView().findViewById(R.id.toLabel);
fromLabel = getView().findViewById(R.id.fromLabel);

micFrom = getView().findViewById(R.id.micFrom);
volFrom = getView().findViewById(R.id.volFrom);
volTo = getView().findViewById(R.id.toVol);
convertBTN = getView().findViewById(R.id.convertBTN);
fromText = getView().findViewById(R.id.fromText);
convertLayout = getView().findViewById(R.id.swapLanguage);
fromText.setFocusable(false);
currentFrom = TURKISH_CONSTANT;
callReverse();
}
private void ConvertTextToSpeech(String lang_type, String text) {
if (text == null || "".equals(text)) {
if (lang_type.equals(ENGLISH_CONSTANT)) {
text = ("Content not available");
} else {
text = ("something wrong !");
}
}
if (lang_type.equals(ENGLISH_CONSTANT)) {
ttsEnglish.speak(text, TextToSpeech.QUEUE_FLUSH, null);
} else {
ttsTURKISH.speak(text, TextToSpeech.QUEUE_FLUSH, null);
}
}
private void askSpeechInput(String lang_type) {
Intent intent = new Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH);

if (lang_type.equals(ENGLISH_CONSTANT)) {
intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL,
RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE, Locale.ENGLISH);
intent.putExtra(RecognizerIntent.EXTRA_PROMPT,
"Hi speak something");
startActivityForResult(intent, REQ_CODE_SPEECH_INPUT);
} else {
//Specify language
intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE, TURKISH_CODE);
intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, TURKISH_CODE);
intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_PREFERENCE, TURKISH_CODE);
intent.putExtra(RecognizerIntent.EXTRA_SUPPORTED_LANGUAGES, TURKISH_CODE);
intent.putExtra(RecognizerIntent.EXTRA_ONLY_RETURN_LANGUAGE_PREFERENCE, TURKISH_CODE);
intent.putExtra(RecognizerIntent.EXTRA_CALLING_PACKAGE, TURKISH_CODE);
intent.putExtra(RecognizerIntent.EXTRA_RESULTS, TURKISH_CODE);
intent.putExtra(RecognizerIntent.EXTRA_PROMPT, ("speak please"));
startActivityForResult(intent, SR_CODE);
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
switch (requestCode) {
case REQ_CODE_SPEECH_INPUT: {
if (resultCode == RESULT_OK && null != data) {
ArrayList<String> result = data
.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);
fromText.setText(result.get(0));
}
break;
}
case SR_CODE: {
if (resultCode == RESULT_OK) {
if (data != null) {
ArrayList<String> nBestList = data.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);
String bestResult = nBestList.get(0);
fromText.setText(bestResult);
}
}
break;
}
}
if (currentFrom.equals(ENGLISH_CONSTANT))
translateText(fromText.getText().toString(), ENGLISH_CONVERT);
else
translateText(fromText.getText().toString(), TURKISH_CONVERT);
}

@Override
public void onInit(int status) {
if (status == TextToSpeech.SUCCESS) {
} else {
Log.e("TTS", "Initialization failed");
}
}

String text_to_return = "";
private String translateText(final String text, final String lang) {
class getQData extends AsyncTask<String, String, String> {
ProgressDialog loading;
String ROOT_URL = "https://translate.yandex.net";
Retrofit adapter = new Retrofit.Builder()
.baseUrl(ROOT_URL)
.addConverterFactory(JacksonConverterFactory.create())
.build();
APICalls api = adapter.create(APICalls.class);
@Override
protected void onPreExecute() {
super.onPreExecute();
showPD();
}
@Override
protected void onPostExecute(String s) {
super.onPostExecute(s);
}

@Override
protected String doInBackground(String... params) {
text_to_return = "";
String key = translator_Constants.MY_KEY;
Call<TranslateResponse> call = api.translate(key, text, lang);
call.enqueue(new Callback<TranslateResponse>() {
@Override
public void onResponse(retrofit.Response<TranslateResponse> response, Retrofit retrofit) {
//loading.dismiss();
hidePD();
Log.d("succ", "onResponse:code" + String.valueOf(response.code()));
Log.d("error mesg", String.valueOf(response.message()));
switch (response.code()) {
case 200:
TranslateResponse tr = response.body();
text_to_return = tr.getText().get(0);
toText.setText(text_to_return);
String currentFromR = reverseCurrentFrom(currentFrom);
ConvertTextToSpeech(currentFromR, toText.getText().toString());
break;
default:
if (currentFrom.equals(ENGLISH_CONSTANT))
Toast.makeText(getContext().getApplicationContext(), ("Please Try Again"), Toast.LENGTH_SHORT).show();
else
Toast.makeText(getContext().getApplicationContext(), ("again"), Toast.LENGTH_SHORT).show();
break;
}
}
@Override
public void onFailure(Throwable t) {
pd.dismiss();
Log.d("retro error", t.getMessage());
if (currentFrom.equals(ENGLISH_CONSTANT))
Toast.makeText(getContext().getApplicationContext(), ("Failed to Convert!Check Internet Connection"), Toast.LENGTH_SHORT).show();
else
Toast.makeText(getContext().getApplicationContext(), ("no connexion"), Toast.LENGTH_SHORT).show();

}
});
return text_to_return;
}
}
getQData ru = new getQData();
try {
ru.execute().get();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (ExecutionException e) {
e.printStackTrace();
}
return text_to_return;
}
ProgressDialog pd;
private void showPD() {
pd = new ProgressDialog(getActivity());
if (currentFrom.equals(ENGLISH_CONSTANT)) {
pd.setMessage(("Patience, We are translating…"));
} else {
pd.setMessage(("translating ..."));
}
pd.show();
}
private void hidePD() {
pd.dismiss();
}
public boolean copyToClipboard(Context context, String text) {
try {
int sdk = android.os.Build.VERSION.SDK_INT;
if (sdk < android.os.Build.VERSION_CODES.HONEYCOMB) {
android.text.ClipboardManager clipboard = (android.text.ClipboardManager) context
.getSystemService(CLIPBOARD_SERVICE);
clipboard.setText(text);
} else {
android.content.ClipboardManager clipboard = (android.content.ClipboardManager) context
.getSystemService(CLIPBOARD_SERVICE);
android.content.ClipData clip = android.content.ClipData
.newPlainText("copy", text);
clipboard.setPrimaryClip(clip);
}
return true;
} catch (Exception e) {
return false;
}
}
}

Answer 1

从onViewCreated()调用setupInteraction()，而不是从onCreateView()调用。您正在尝试使用getView()，直到onCreateView()返回才能正常工作。