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Code Issues Releases Wiki Activity

TTS refactoring

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This commit is contained in:
M66B 2020-07-03 21:00:15 +02:00
parent ca27f41bf8
commit cd4b187bd8
2 changed files with 62 additions and 20 deletions
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2
app/src/main/java/eu/faircode/email/ServiceSynchronize.java
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@ -621,6 +621,8 @@ public class ServiceSynchronize extends ServiceBase implements SharedPreferences
liveAccountNetworkState.postDestroy();
TTSHelper.shutdown();
try {
stopForeground(true);
} catch (Throwable ex) {

80
app/src/main/java/eu/faircode/email/TTSHelper.java
View file

@ -5,42 +5,82 @@ import android.speech.tts.TextToSpeech;
import androidx.annotation.NonNull;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
public class TTSHelper {
private static boolean initialized;
private static TextToSpeech instance;
private static Integer status = null;
private static TextToSpeech instance = null;
private static List<Runnable> queue = new ArrayList<>();
private static final Object lock = new Object();
// https://developer.android.com/reference/android/speech/tts/TextToSpeech
// https://android-developers.googleblog.com/2009/09/introduction-to-text-to-speech-in.html
static void speak(
@NonNull final Context context,
@NonNull final String utteranceId,
@NonNull final String text,
@NonNull final Locale locale) {
// https://developer.android.com/reference/android/speech/tts/TextToSpeech
// https://android-developers.googleblog.com/2009/09/introduction-to-text-to-speech-in.html
final Runnable speak = new Runnable() {
Runnable speak = new Runnable() {
@Override
public void run() {
boolean available = (instance.setLanguage(locale) >= 0);
EntityLog.log(context, "TTS queued language=" + locale + " available=" + available + " text=" + text);
instance.speak(text, TextToSpeech.QUEUE_ADD, null, utteranceId);
try {
boolean available = (instance.setLanguage(locale) >= 0);
EntityLog.log(context, "TTS queued" +
" language=" + locale +
" available=" + available +
" utterance=" + utteranceId +
" text=" + text);
instance.speak(text, TextToSpeech.QUEUE_ADD, null, utteranceId);
} catch (Throwable ex) {
Log.e(ex);
}
}
};
if (initialized) {
speak.run();
return;
synchronized (lock) {
if (status == null) {
queue.add(speak);
if (instance == null)
try {
Log.i("TTS init");
instance = new TextToSpeech(context, new TextToSpeech.OnInitListener() {
@Override
public void onInit(int initStatus) {
synchronized (lock) {
status = initStatus;
boolean ok = (status == TextToSpeech.SUCCESS);
Log.i("TTS status=" + status + " ok=" + ok + " queued=" + queue.size());
if (ok)
for (Runnable speak : queue)
speak.run();
queue.clear();
}
}
});
} catch (Throwable ex) {
Log.e(ex);
status = TextToSpeech.ERROR;
}
} else if (status == TextToSpeech.SUCCESS)
speak.run();
}
}
instance = new TextToSpeech(context, new TextToSpeech.OnInitListener() {
@Override
public void onInit(int status) {
initialized = (status == TextToSpeech.SUCCESS);
Log.i("TTS status=" + status + " ok=" + initialized);
if (initialized)
speak.run();
}
});
static void shutdown() {
synchronized (lock) {
if (instance != null)
try {
Log.i("TTS shutdown");
instance.shutdown();
instance = null;
} catch (Throwable ex) {
Log.e(ex);
}
status = null;
}
}
}