Add explicit "use system language" TTS language.

Previously, if user set the TTS engine default language to the system
language, Settings app would save its value as empty string - which
is interpreted as "use system language", and makes it follow the change
of the device locale. This change introduces explicit "Use system language"
as an entry in the TTS default engine picker. This makes it consistent
with other pickers, like ones for keyboard and spellchecker.

Change-Id: Ibb4189be30bb9691ef2bd10e7fff883318eceae7
This commit is contained in:
Przemyslaw Szczepaniak
2014-05-12 16:13:14 +01:00
parent 55638cb6c6
commit 098b4a7eb7
2 changed files with 23 additions and 22 deletions

View File

@@ -64,7 +64,6 @@ public class TtsEngineSettingsFragment extends SettingsPreferenceFragment implem
private TextToSpeech mTts;
private int mSelectedLocaleIndex = -1;
private int mSystemLocaleIndex = -1;
private final TextToSpeech.OnInitListener mTtsInitListener = new TextToSpeech.OnInitListener() {
@Override
@@ -201,8 +200,10 @@ public class TtsEngineSettingsFragment extends SettingsPreferenceFragment implem
mLocalePreference.setEnabled(false);
return;
}
String currentLocale = mEnginesHelper.getLocalePrefForEngine(
getEngineName());
String currentLocale = "";
if (!mEnginesHelper.isLocaleSetToDefaultForEngine(getEngineName())) {
currentLocale = mEnginesHelper.getLocalePrefForEngine(getEngineName());
}
ArrayList<Pair<String, String>> entryPairs =
new ArrayList<Pair<String, String>>(availableLangs.size());
@@ -231,21 +232,19 @@ public class TtsEngineSettingsFragment extends SettingsPreferenceFragment implem
}
});
String defaultLocaleStr = mEnginesHelper.getDefaultLocale();
// Get two arrays out of one of pairs
mSelectedLocaleIndex = -1;
mSystemLocaleIndex = -1;
CharSequence[] entries = new CharSequence[availableLangs.size()];
CharSequence[] entryValues = new CharSequence[availableLangs.size()];
int i = 0;
mSelectedLocaleIndex = 0; // Will point to the R.string.tts_lang_use_system value
CharSequence[] entries = new CharSequence[availableLangs.size()+1];
CharSequence[] entryValues = new CharSequence[availableLangs.size()+1];
entries[0] = getActivity().getString(R.string.tts_lang_use_system);
entryValues[0] = "";
int i = 1;
for (Pair<String, String> entry : entryPairs) {
if (entry.second.equalsIgnoreCase(currentLocale)) {
mSelectedLocaleIndex = i;
}
if (entry.second.equalsIgnoreCase(defaultLocaleStr)) {
mSystemLocaleIndex = i;
}
entries[i] = entry.first;
entryValues[i++] = entry.second;
}
@@ -322,17 +321,17 @@ public class TtsEngineSettingsFragment extends SettingsPreferenceFragment implem
mLocalePreference.setSummary(mLocalePreference.getEntries()[selectedLocaleIndex]);
mSelectedLocaleIndex = selectedLocaleIndex;
if (mSelectedLocaleIndex == mSystemLocaleIndex) {
// Use empty locale, it will default to the system language
mEnginesHelper.updateLocalePrefForEngine(getEngineName(), "");
} else {
mEnginesHelper.updateLocalePrefForEngine(getEngineName(), locale);
}
mEnginesHelper.updateLocalePrefForEngine(getEngineName(), locale);
if (getEngineName().equals(mTts.getCurrentEngine())) {
String[] localeArray = TtsEngines.parseLocalePref(locale);
if (localeArray != null) {
mTts.setLanguage(new Locale(localeArray[0], localeArray[1], localeArray[2]));
if (!locale.isEmpty()) {
String[] localeArray = TtsEngines.parseLocalePref(locale);
if (localeArray != null) {
mTts.setLanguage(new Locale(localeArray[0], localeArray[1], localeArray[2]));
}
} else {
// Empty locale means "use system default"
mTts.setLanguage(Locale.getDefault());
}
}
}