PawletOS/app_Settings
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Alert for using network-only-tts with no network.

Browse Source 
If TTS requires network for selected language, we will
show dialog informing why we can't synthesize an example
if user have no internet connectivity.

Bug: 7398316
Change-Id: I01b033a9a8b8538b322ed3639b671f90f849ae29
This commit is contained in:
Przemyslaw Szczepaniak
2012-10-23 16:39:02 +01:00
committed by Android (Google) Code Review
parent 6e16e83326
commit 03b9f86722
2 changed files with 57 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
src/com/android/settings/tts/TextToSpeechSettings.java
View File

@@ -36,14 +36,17 @@ import android.preference.PreferenceCategory;
import android.provider.Settings;
import android.provider.Settings.SettingNotFoundException;
import android.speech.tts.TextToSpeech;
import android.speech.tts.UtteranceProgressListener;
import android.speech.tts.TextToSpeech.EngineInfo;
import android.speech.tts.TtsEngines;
import android.text.TextUtils;
import android.util.Log;
import android.widget.Checkable;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Set;
public class TextToSpeechSettings extends SettingsPreferenceFragment implements
Preference.OnPreferenceChangeListener, Preference.OnPreferenceClickListener,
@@ -137,9 +140,28 @@ public class TextToSpeechSettings extends SettingsPreferenceFragment implements
mTts = new TextToSpeech(getActivity().getApplicationContext(), mInitListener);
mEnginesHelper = new TtsEngines(getActivity().getApplicationContext());
setTtsUtteranceProgressListener();
initSettings();
}
private void setTtsUtteranceProgressListener() {
if (mTts == null) {
return;
}
mTts.setOnUtteranceProgressListener(new UtteranceProgressListener() {
@Override
public void onStart(String utteranceId) {}
@Override
public void onDone(String utteranceId) {}
@Override
public void onError(String utteranceId) {
Log.e(TAG, "Error while trying to synthesize sample text");
}
});
}
@Override
public void onDestroy() {
super.onDestroy();
@@ -258,6 +280,12 @@ public class TextToSpeechSettings extends SettingsPreferenceFragment implements
return null;
}
private boolean isNetworkRequiredForSynthesis() {
Set<String> features = mTts.getFeatures(mTts.getLanguage());
return features.contains(TextToSpeech.Engine.KEY_FEATURE_NETWORK_SYNTHESIS) &&
!features.contains(TextToSpeech.Engine.KEY_FEATURE_EMBEDDED_SYNTHESIS);
}
private void onSampleTextReceived(int resultCode, Intent data) {
String sample = getDefaultSampleString();
@@ -273,7 +301,18 @@ public class TextToSpeechSettings extends SettingsPreferenceFragment implements
if (sample != null && mTts != null) {
// The engine is guaranteed to have been initialized here
// because this preference is not enabled otherwise.
mTts.speak(sample, TextToSpeech.QUEUE_FLUSH, null);
final boolean networkRequired = isNetworkRequiredForSynthesis();
if (!networkRequired || networkRequired &&
(mTts.isLanguageAvailable(mTts.getLanguage()) >= TextToSpeech.LANG_AVAILABLE)) {
HashMap<String, String> params = new HashMap<String, String>();
params.put(TextToSpeech.Engine.KEY_PARAM_UTTERANCE_ID, "Sample");
mTts.speak(sample, TextToSpeech.QUEUE_FLUSH, params);
} else {
Log.w(TAG, "Network required for sample synthesis for requested language");
displayNetworkAlert();
}
} else {
// TODO: Display an error here to the user.
Log.e(TAG, "Did not have a sample string for the requested language");
@@ -340,6 +379,18 @@ public class TextToSpeechSettings extends SettingsPreferenceFragment implements
dialog.show();
}
private void displayNetworkAlert() {
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
builder.setTitle(android.R.string.dialog_alert_title);
builder.setIconAttribute(android.R.attr.alertDialogIcon);
builder.setMessage(getActivity().getString(R.string.tts_engine_network_required));
builder.setCancelable(false);
builder.setPositiveButton(android.R.string.ok, null);
AlertDialog dialog = builder.create();
dialog.show();
}
private void updateDefaultEngine(String engine) {
if (DBG) Log.d(TAG, "Updating default synth to : " + engine);
@@ -369,6 +420,7 @@ public class TextToSpeechSettings extends SettingsPreferenceFragment implements
// the app binds successfully to the engine.
if (DBG) Log.d(TAG, "Updating engine : Attempting to connect to engine: " + engine);
mTts = new TextToSpeech(getActivity().getApplicationContext(), mUpdateListener, engine);
setTtsUtteranceProgressListener();
}
/*
@@ -390,6 +442,7 @@ public class TextToSpeechSettings extends SettingsPreferenceFragment implements
// null if the previous bind to this engine failed.
mTts = new TextToSpeech(getActivity().getApplicationContext(), mInitListener,
mPreviousEngine);
setTtsUtteranceProgressListener();
}
mPreviousEngine = null;
}