Optimize InputLanguageSelection (9ee51db9) · Commits · e / os / android_packages_inputmethods_LatinIME

java/src/com/android/inputmethod/deprecated/languageswitcher/InputLanguageSelection.java

+23 −32

Original line number	Diff line number	Diff line
		@@ -37,6 +37,7 @@ import android.preference.PreferenceActivity;
		import android.preference.PreferenceGroup;
		import android.preference.PreferenceManager;
		import android.text.TextUtils;
		import android.util.Pair;

		import java.io.IOException;
		import java.text.Collator;
		@@ -88,14 +89,17 @@ public class InputLanguageSelection extends PreferenceActivity {
		PreferenceGroup parent = getPreferenceScreen();
		for (int i = 0; i < mAvailableLanguages.size(); i++) {
		Locale locale = mAvailableLanguages.get(i).mLocale;
		if (!hasDictionary(locale) && !hasLayout(locale)) {
		final Pair<Boolean, Boolean> hasDictionaryOrLayout = hasDictionaryOrLayout(locale);
		final boolean hasDictionary = hasDictionaryOrLayout.first;
		final boolean hasLayout = hasDictionaryOrLayout.second;
		if (!hasDictionary && !hasLayout) {
		continue;
		}
		CheckBoxPreference pref = new CheckBoxPreference(this);
		pref.setTitle(SubtypeSwitcher.getFullDisplayName(locale, true));
		boolean checked = isLocaleIn(locale, languageList);
		pref.setChecked(checked);
		if (hasDictionary(locale)) {
		if (hasDictionary) {
		pref.setSummary(R.string.has_dictionary);
		}
		parent.addPreference(pref);
		@@ -110,52 +114,39 @@ public class InputLanguageSelection extends PreferenceActivity {
		return false;
		}

		private boolean hasDictionary(Locale locale) {
		private Pair<Boolean, Boolean> hasDictionaryOrLayout(Locale locale) {
		if (locale == null) return new Pair<Boolean, Boolean>(false, false);
		final Resources res = getResources();
		final Configuration conf = res.getConfiguration();
		final Locale saveLocale = conf.locale;
		boolean haveDictionary = false;
		conf.locale = locale;
		res.updateConfiguration(conf, res.getDisplayMetrics());
		boolean hasDictionary = false;
		boolean hasLayout = false;

		try {
		BinaryDictionary bd = BinaryDictionary.initDictionaryFromManager(this, Suggest.DIC_MAIN,
		locale, Utils.getMainDictionaryResourceId(res));

		// Is the dictionary larger than a placeholder? Arbitrarily chose a lower limit of
		// 4000-5000 words, whereas the LARGE_DICTIONARY is about 20000+ words.
		if (bd.getSize() > Suggest.LARGE_DICTIONARY_THRESHOLD / 4) {
		haveDictionary = true;
		hasDictionary = true;
		}
		bd.close();
		conf.locale = saveLocale;
		res.updateConfiguration(conf, res.getDisplayMetrics());
		return haveDictionary;
		}

		private boolean hasLayout(Locale locale) {
		if (locale == null) return false;
		final Resources res = getResources();
		final Configuration conf = res.getConfiguration();
		final Locale saveLocale = conf.locale;
		conf.locale = locale;
		res.updateConfiguration(conf, res.getDisplayMetrics());

		try {
		final String countryCode = locale.getLanguage();
		final String layoutCountryCode = KeyboardParser.parseKeyboardLocale(
		this, R.xml.kbd_qwerty);
		if (!TextUtils.isEmpty(countryCode) && !TextUtils.isEmpty(layoutCountryCode)) {
		return countryCode.subSequence(0, 2).equals(layoutCountryCode.substring(0, 2));
		hasLayout = countryCode.subSequence(0, 2).equals(layoutCountryCode.substring(0, 2));
		}
		return false;
		} catch (XmlPullParserException e) {
		return false;
		} catch (IOException e) {
		return false;
		} finally {
		}
		conf.locale = saveLocale;
		res.updateConfiguration(conf, res.getDisplayMetrics());
		}
		return new Pair<Boolean, Boolean>(hasDictionary, hasLayout);
		}

		private String get5Code(Locale locale) {