我正在将基于活动的应用转换为片段以适应平板电脑。 我有一些文本到语音API的活动，如果屏幕旋转，它会继续说话，因为它们会保留在清单文件中。
为此，我将旧活动拆分为三个类：父活动，UI片段和带setRetainInstance(true)的无头片段，包括文本转语音功能。所有这些都通过活动通过接口链接（我已经看到这是正确的方法）。我没有在清单中选择“方向”。
但现在，我的问题是当屏幕旋转时，语音会关闭。调试过程，TTS在所有娱乐过程中发言，但当活动恢复时，TTS会丢失并停止。
感谢您的帮助。
活动：
public class ParentActivity extends Main_Activity implements
Fragment_ListaCorta.Callbacks, Fragment_UI.Callbacks,
Fragment_Retain.Callbacks {
public static final String ORIGEN = ParentActivity .class
.getSimpleName();
Fragment_Retain fragmentRetain;
Fragment_UI fragmentUI;
@Override
protected void onCreate(Bundle savedInstanceState) {
setTheme(Activity_Principal.preferencias.getTema(this));
super.onCreate(savedInstanceState);
setContentView(R.layout.fragment);
super.context = this;
if (findViewById(R.id.framelayout_contenedor_detalle) != null) {
FragmentManager fm = getSupportFragmentManager();
FragmentTransaction ft = fm.beginTransaction();
fragmentUI = new Fragment_UI();
fragmentRetain = (Fragment_Retain) fm
.findFragmentByTag(Fragment_Retain.NOMBRE_FRAGMENTO);
if (fragmentRetain == null) {
fragmentRetain = new Fragment_Retain();
ft.add(fragmentRetain,
Fragment_Retain.NOMBRE_FRAGMENTO);
}
ft.replace(R.id.framelayout_contenedor_detalle, fragmentUI,
Fragment_UI.NOMBRE_FRAGMENTO);
ft.commit();
} else {
FragmentManager fm = getSupportFragmentManager();
FragmentTransaction ft = fm.beginTransaction();
fragmentUI= new Fragment_UI();
fragmentRetain = (Fragment_Retain) fm
.findFragmentByTag(Fragment_Retain.NOMBRE_FRAGMENTO);
if (fragmentRetain == null) {
fragmentRetain = new Fragment_Retain();
ft.add(fragmentRetain ,
Fragment_Retain.NOMBRE_FRAGMENTO);
}
ft.replace(R.id.framelayout_contenedor_detalle1, fragmentUI,
Fragment_UI.NOMBRE_FRAGMENTO);
ft.commit();
}
}
@Override
public void onEntradaSelecionada(String id) {
int idInt = Integer.valueOf(id);
opcionMenuActiv(idInt);
}
@Override
public void onUIBotonPulsado(int posicion) {
fragmentRetain.onClick();
}
@Override
public void onRetainCambiaUltimoPlay(String ultimoPlay,
String utteranceId) {
fragmentUI.onCambioParrafo(ultimoPlay, utteranceId);
}
@Override
public void onTtsOk(boolean oK) {
if (oK) {
runOnUiThread(new Runnable() {
public void run() {
fragmentUI.buttonTextToSpeech
.setVisibility(View.VISIBLE);
}
});
} else {
runOnUiThread(new Runnable() {
public void run() {
fragmentUI.buttonTextToSpeech
.setVisibility(View.GONE);
}
});
}
}
}
用户界面片段
public class Fragment_UI extends Main_Fragment implements
OnClickListener {
public static ImageButton buttonTextToSpeech;
TextView textView01, textView02, textView03, textView04, textView05,
textView06, textView07, textView08, textView09, textView10,
textView11, textView12, textView13, textView14, textView15,
textView16, textView17, textView18, textView19, textView20,
textView21;
String tts01, tts02, tts03, tts04, tts05, tts06, tts07, tts08, tts09,
tts10, tts11, tts12, tts13, tts14, tts15, tts16, tts17, tts18,
tts19, tts20, tts21;
private static final String[] ESTROFA = { "0", "1", "2", "3", "4", "5",
"6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17",
"18", "19", "20" };
private int colorDestacado;
private int colorAnterior;
(...)
protected int textView21Color;
public static final String NOMBRE_FRAGMENTO = Fragment_UI.class
.getSimpleName();
public static final int PLAY = 1;
public static final int PAUSE = 2;
private static int mPosicion = PLAY;
public boolean ttsOk = false;
private Callbacks mCallbacks = CallbacksVacios;
public interface Callbacks {
public void onUIBotonPulsado(int posicion);
}
private static Callbacks CallbacksVacios = new Callbacks() {
@Override
public void onUIBotonPulsado(int posicion) {
}
};
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
if (!(activity instanceof Callbacks)) {
throw new IllegalStateException(
"Error: La actividad debe implementar el callback del fragmento");
}
mCallbacks = (Callbacks) activity;
}
@Override
public void onDetach() {
super.onDetach();
mCallbacks = CallbacksVacios;
}
public Fragment_UI() {
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment,
container, false);
TypedArray a = getActivity().getTheme().obtainStyledAttributes(
new int[] { R.attr.colorTts });
colorDestacado = getResources().getColor(a.getResourceId(0, 0));
a.recycle();
buttonTextToSpeech = (ImageButton) rootView
.findViewById(R.id.buttonTextToSpeech);
if (Activity_Principal.preferencias.getTTSCheck()) {
if (Activity_Principal.preferencias.getTTSok()) {
buttonTextToSpeech.setVisibility(View.VISIBLE);
buttonTextToSpeech.setOnClickListener(this);
}
}
textView01 = (TextView) rootView.findViewById(R.id.textView01);
...
textView20 = (TextView) rootView.findViewById(R.id.textView20);
textView21 = (TextView) rootView.findViewById(R.id.textView21);
tts01 = textView01.getText().toString();
tts02 = textView02.getText().toString();
tts03 = textView03.getText().toString();
tts04 = textView04.getText().toString();
tts05 = textView05.getText().toString();
tts06 = textView06.getText().toString();
tts07 = textView07.getText().toString();
tts08 = textView08.getText().toString();
tts09 = textView09.getText().toString();
tts10 = textView10.getText().toString();
tts11 = textView11.getText().toString();
tts12 = textView12.getText().toString();
tts13 = textView13.getText().toString();
tts14 = textView14.getText().toString();
tts15 = textView15.getText().toString();
tts16 = textView16.getText().toString();
tts17 = textView17.getText().toString();
tts18 = textView18.getText().toString();
tts19 = textView19.getText().toString();
tts20 = textView20.getText().toString();
tts21 = textView21.getText().toString();
if (tts01 == "")
textView01.setVisibility(View.GONE);
if (tts02 == "")
textView02.setVisibility(View.GONE);
if (tts03 == "")
textView03.setVisibility(View.GONE);
if (tts04 == "")
textView04.setVisibility(View.GONE);
if (tts05 == "")
textView05.setVisibility(View.GONE);
if (tts06 == "")
textView06.setVisibility(View.GONE);
if (tts07 == "")
textView07.setVisibility(View.GONE);
if (tts08 == "")
textView08.setVisibility(View.GONE);
if (tts09 == "")
textView09.setVisibility(View.GONE);
if (tts10 == "")
textView10.setVisibility(View.GONE);
if (tts11 == "")
textView11.setVisibility(View.GONE);
if (tts12 == "")
textView12.setVisibility(View.GONE);
if (tts13 == "")
textView13.setVisibility(View.GONE);
if (tts14 == "")
textView14.setVisibility(View.GONE);
if (tts15 == "")
textView15.setVisibility(View.GONE);
if (tts16 == "")
textView16.setVisibility(View.GONE);
if (tts17 == "")
textView17.setVisibility(View.GONE);
if (tts18 == "")
textView18.setVisibility(View.GONE);
if (tts19 == "")
textView19.setVisibility(View.GONE);
if (tts20 == "")
textView20.setVisibility(View.GONE);
if (tts21 == "")
textView21.setVisibility(View.GONE);
return rootView;
}
public void onClick(View view) {
switch (view.getId()) {
case R.id.buttonTextToSpeech:
mCallbacks.onUIBotonPulsado(R.id.buttonTextToSpeech);
if (mPosicion == PLAY) {
buttonTextToSpeech.setImageResource(R.drawable.button_pause);
mPosicion = PAUSE;
} else {
buttonTextToSpeech.setImageResource(R.drawable.button_play);
mPosicion = PLAY;
}
break;
}
}
public void onCambioParrafo(String ultimoPlay, String utteranceId) {
if (ultimoPlay.equals("")) {
if (utteranceId.equals(ESTROFA[0])) {
getActivity().runOnUiThread(new Runnable() {
public void run() {
colorAnterior = textView01.getCurrentTextColor();
textView01.setTextColor(colorDestacado);
textView01Color = textView01.getCurrentTextColor();
}
});
}//...
} else if (utteranceId.equals(ESTROFA[21])) {
getActivity().runOnUiThread(new Runnable() {
public void run() {
textView21.setTextColor(colorAnterior);
textView21Color = 0;
buttonTextToSpeech
.setImageResource(R.drawable.button_play);
mPosicion = PLAY;
}
});
}
}
}
}
使用TTS保留片段
public class Fragment_Retain extends Main_Fragment implements
TextToSpeech.OnInitListener {
private static String tts01, tts02, tts03, tts04, tts05, tts06, tts07, tts08, tts09,
tts10, tts11, tts12, tts13, tts14, tts15, tts16, tts17, tts18,
tts19, tts20, tts21;
private static String ultimoPlay = "";
private static final String[] ESTROFA = { "0", "1", "2", "3", "4", "5",
"6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17",
"18", "19", "20" };
public static final String NOMBRE_FRAGMENTO = Fragment_Retain.class
.getSimpleName();
private Callbacks mCallbacks = CallbacksVacios;
public interface Callbacks {
public void onRetainCambiaUltimoPlay(String ultimoPlay,
String utteranceId);
public void onTtsOk(boolean oK);
}
private static Callbacks CallbacksVacios = new Callbacks() {
@Override
public void onRetainCambiaUltimoPlay(String ultimoPlay,
String utteranceId) {
}
@Override
public void onTtsOk(boolean oK) {
}
};
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
Log.i("Retain", "onAttach");
if (!(activity instanceof Callbacks)) {
throw new IllegalStateException(
"Error: La actividad debe implementar el callback del fragmento");
}
mCallbacks = (Callbacks) activity;
}
@Override
public void onDetach() {
super.onDetach();
mCallbacks = CallbacksVacios;
}
public Fragment_Retain() {
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Log.i("Retain", "onCreate");
setRetainInstance(true);
// Inicio proceso TTS
if (!Activity_Principal.preferencias.getTTSNoMostrar()
&& !Activity_Principal.preferencias.getTTSCheck()) {
android.support.v4.app.FragmentManager fragmentManager = getFragmentManager();
DialogoAdvertenciaTTS dialogo = new DialogoAdvertenciaTTS();
dialogo.show(fragmentManager, "tagPersonalizado");
}
// Control proceso TTS
if (Activity_Principal.preferencias.getTTSCheck()) {
if (Activity_Principal.preferencias.getTTSok()) {
tts = new TextToSpeech(getActivity(), this);
if (tts.isSpeaking()) {
buttonTextToSpeech.setImageResource(R.drawable.button_pause);
}
} else {
Intent checkTTSIntent = new Intent();
checkTTSIntent
.setAction(TextToSpeech.Engine.ACTION_CHECK_TTS_DATA);
startActivityForResult(checkTTSIntent, MY_DATA_CHECK_CODE);
}
}
tts01 = Utiles.depurarTextoTTS(getResources().getString(
R.string.sagrario01));
tts02 = Utiles.depurarTextoTTS(getResources().getString(
R.string.sagrario02));
tts03 = Utiles.depurarTextoTTS(getResources().getString(
R.string.sagrario03));
tts04 = Utiles.depurarTextoTTS(getResources().getString(
R.string.sagrario04));
tts05 = Utiles.depurarTextoTTS(getResources().getString(
R.string.sagrario05));
tts06 = Utiles.depurarTextoTTS(getResources().getString(
R.string.sagrario06));
tts07 = Utiles.depurarTextoTTS(getResources().getString(
R.string.sagrario07));
tts08 = Utiles.depurarTextoTTS(getResources().getString(
R.string.sagrario08));
tts09 = Utiles.depurarTextoTTS(getResources().getString(
R.string.sagrario09));
tts10 = Utiles.depurarTextoTTS(getResources().getString(
R.string.sagrario10));
tts11 = Utiles.depurarTextoTTS(getResources().getString(
R.string.sagrario11));
tts12 = Utiles.depurarTextoTTS(getResources().getString(
R.string.sagrario12));
tts13 = Utiles.depurarTextoTTS(getResources().getString(
R.string.sagrario13));
tts14 = Utiles.depurarTextoTTS(getResources().getString(
R.string.sagrario14));
tts15 = Utiles.depurarTextoTTS(getResources().getString(
R.string.sagrario15));
tts16 = Utiles.depurarTextoTTS(getResources().getString(
R.string.sagrario16));
tts17 = Utiles.depurarTextoTTS(getResources().getString(
R.string.sagrario17));
tts18 = Utiles.depurarTextoTTS(getResources().getString(
R.string.sagrario18));
tts19 = Utiles.depurarTextoTTS(getResources().getString(
R.string.sagrario19));
tts20 = Utiles.depurarTextoTTS(getResources().getString(
R.string.sagrario20));
tts21 = Utiles.depurarTextoTTS(getResources().getString(
R.string.sagrario21));
}
public void onClick() {
Log.i("Retain", "onClick");
if (tts.isSpeaking()) {
ultimoPlay = params.get(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID);
tts.stop();
} else {
if (ultimoPlay.equals("") || ultimoPlay.equals(ESTROFA[0])) {
speakOut(tts01, TextToSpeech.QUEUE_FLUSH, ESTROFA[0]);
mCallbacks.onFragmentRetainCambiaUltimoPlay("", ESTROFA[0]);
} else if (ultimoPlay.equals(ESTROFA[1])) {
speakOut(tts02, TextToSpeech.QUEUE_FLUSH, ESTROFA[1]);
mCallbacks.onFragmentRetainCambiaUltimoPlay("", ESTROFA[1]);
} else if (ultimoPlay.equals(ESTROFA[2])) {
speakOut(tts03, TextToSpeech.QUEUE_FLUSH, ESTROFA[2]);
mCallbacks.onFragmentRetainCambiaUltimoPlay("", ESTROFA[2]);
}....
....} else if (ultimoPlay.equals(ESTROFA[20])) {
speakOut(tts21, TextToSpeech.QUEUE_FLUSH, ESTROFA[20]);
mCallbacks.onFragmentRetainCambiaUltimoPlay("", ESTROFA[20]);
}
ultimoPlay = "";
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
Log.i("Retain", "onActivityResult");
if (requestCode == MY_DATA_CHECK_CODE) {
if (resultCode == TextToSpeech.Engine.CHECK_VOICE_DATA_PASS) {
tts = new TextToSpeech(getActivity(), this);
} else { // missing data, install it Intent
Intent installIntent = new Intent();
installIntent
.setAction(TextToSpeech.Engine.ACTION_INSTALL_TTS_DATA);
startActivity(installIntent);
}
}
}
public void onInit(int status) {
Log.i("Retain", "onInit");
if (status == TextToSpeech.SUCCESS) {
Locale loc = new Locale(langPagina);
int result = tts.isLanguageAvailable(loc);
if (result == TextToSpeech.LANG_AVAILABLE) {
tts.setLanguage(loc);
Activity_Principal.preferencias.setTTSok(true);
mCallbacks.onTtsOk(true);
hablarTexto();
} else {
Log.e("TTS", "This Language is not supported");
mCallbacks.onTtsOk(false);
Activity_Principal.preferencias.setTTSok(false);
String mensaje = getActivity().getString(
R.string.ttsIdiomaNoSoportadoToast);
Toast toast = Toast.makeText(getActivity()
.getApplicationContext(), mensaje, Toast.LENGTH_LONG);
toast.show();
}
} else {
Log.e("TTS", "Initilization Failed!");
Activity_Principal.preferencias.setTTSok(false);
}
}
@SuppressLint("NewApi")
private void hablarTexto() {
Log.i("Retain", "hablarTexto");
if (Build.VERSION.SDK_INT >= 15) {
tts.setOnUtteranceProgressListener(new UtteranceProgressListener() {
@Override
public void onDone(String utteranceId) {
onDoneSpeaking(utteranceId);
}
@Override
public void onError(String utteranceId) {
}
@Override
public void onStart(String utteranceId) {
}
});
} else {
// Log.d(TAG, "set utternace completed listener");
tts.setOnUtteranceCompletedListener(new OnUtteranceCompletedListener() {
@Override
public void onUtteranceCompleted(String utteranceId) {
onDoneSpeaking(utteranceId);
}
});
}
}
private void onDoneSpeaking(String utteranceId) {
Log.i("Retain", "onDoneSpeaking");
if (ultimoPlay.equals("")) {
if (utteranceId.equals(ESTROFA[0])) {
speakOut(tts02, TextToSpeech.QUEUE_FLUSH, ESTROFA[1]);
mCallbacks.onFragmentRetainCambiaUltimoPlay("", ESTROFA[1]);
} else if (utteranceId.equals(ESTROFA[1])) {
speakOut(tts03, TextToSpeech.QUEUE_FLUSH, ESTROFA[2]);
mCallbacks.onFragmentRetainCambiaUltimoPlay("", ESTROFA[2]);
} //...
} else if (utteranceId.equals(ESTROFA[20])) {
mCallbacks.onFragmentRetainCambiaUltimoPlay("", ESTROFA[21]);
}
}
}
public static void onBackPressed() {
Log.i("Retain", "onBackPressed");
if (tts.isSpeaking()) {
ultimoPlay = params.get(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID);
tts.stop();
}
return;
}
@Override
public void onDestroy() {
Log.i("Retain", "onDestroy");
// Don't forget to shutdown tts!
if (tts != null) {
tts.stop();
tts.shutdown();
}
super.onDestroy();
}
}