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switch language/locale preference to use Languages utility class 

The Languages utility class merges the techniques from ChatSecure and
Courier.  It fetches the supported locales from the APK itself, and fetches
the native names of the languages from the system.
This commit is contained in:
Hans-Christoph Steiner 2015-06-05 15:19:57 -04:00
parent fba09263b4
commit d43a6cd2b2
7 changed files with 213 additions and 88 deletions
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38
res/values/arrays.xml
View File

@ -1,43 +1,7 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string-array name="languages">
<item>Default</item>
<item>English</item>
<item>العربية</item>
<item>فارسی</item>
<item>中文(简体)</item>
<item>Deutsche</item>
<item>Español</item>
<item>Français</item>
<item>Italian</item>
<item>Nederlands</item>
<item>Magyar</item>
<item>Português</item>
<item>Português Brasileiro</item>
<item>русский язык</item>
</string-array>
<string-array name="languages_values">
<item>xx</item>
<item>en</item>
<item>ar</item>
<item>fa</item>
<item>zh</item>
<item>de</item>
<item>es</item>
<item>fr</item>
<item>it</item>
<item>nl</item>
<item>hu</item>
<item>pt</item>
<item>pt_BR</item>
<item>ru</item>
</string-array>
<string-array name="bridge_options">
<item>Obfs4 (Recommended)</item>
<item>Obfs3</item>

2
res/values/strings.xml
View File

@ -236,7 +236,7 @@
<string name="notification_using_bridges">Bridges enabled!</string>
<string name="default_bridges"/>
<string name="set_locale_title">Set Locale</string>
<string name="set_locale_title">Language</string>
<string name="set_locale_summary">Choose the locale and language for Orbot</string>
<string name="wizard_locale_title">Choose Language</string>
<string name="wizard_locale_msg">Leave default or switch the current language</string>

2
res/xml/preferences.xml
View File

@ -25,8 +25,6 @@ android:title="@string/pref_use_expanded_notifications_title"/>
<ListPreference android:title="@string/set_locale_title"
android:key="pref_default_locale"
android:entryValues="@array/languages_values"
android:entries="@array/languages"
android:summary="@string/set_locale_summary"
android:defaultValue="en">
</ListPreference>

157
src/info/guardianproject/util/Languages.java Normal file
View File

@ -0,0 +1,157 @@
package info.guardianproject.util;
import android.app.Activity;
import android.content.res.AssetManager;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.text.TextUtils;
import android.util.DisplayMetrics;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
public class Languages {
private static final String TAG = "Languages";
private static Languages singleton;
private static Map<String, String> tmpMap = new TreeMap<String, String>();
private static Map<String, String> nameMap;
public static final String USE_SYSTEM_DEFAULT = "";
public static final Locale TIBETAN = new Locale("bo");
static final Locale localesToTest[] = {
Locale.ENGLISH, Locale.FRENCH, Locale.GERMAN,
Locale.ITALIAN, Locale.JAPANESE, Locale.KOREAN,
Locale.TRADITIONAL_CHINESE, Locale.SIMPLIFIED_CHINESE,
TIBETAN, new Locale("af"), new Locale("am"),
new Locale("ar"), new Locale("az"), new Locale("bg"),
new Locale("bn"), new Locale("ca"), new Locale("cs"),
new Locale("da"), new Locale("el"), new Locale("es"),
new Locale("et"), new Locale("eu"), new Locale("fa"),
new Locale("fi"), new Locale("gl"), new Locale("hi"),
new Locale("hr"), new Locale("hu"), new Locale("hy"),
new Locale("in"), new Locale("hy"), new Locale("in"),
new Locale("is"), new Locale("it"), new Locale("iw"),
new Locale("ka"), new Locale("kk"), new Locale("km"),
new Locale("kn"), new Locale("ky"), new Locale("lo"),
new Locale("lt"), new Locale("lv"), new Locale("mk"),
new Locale("ml"), new Locale("mn"), new Locale("mr"),
new Locale("ms"), new Locale("my"), new Locale("nb"),
new Locale("ne"), new Locale("nl"), new Locale("pl"),
new Locale("pt"), new Locale("rm"), new Locale("ro"),
new Locale("ru"), new Locale("si"), new Locale("sk"),
new Locale("sl"), new Locale("sn"), new Locale("sr"),
new Locale("sv"), new Locale("sw"), new Locale("ta"),
new Locale("te"), new Locale("th"), new Locale("tl"),
new Locale("tr"), new Locale("uk"), new Locale("ur"),
new Locale("uz"), new Locale("vi"), new Locale("zu"),
};
private Languages(Activity activity, int resId, String defaultString) {
AssetManager assets = activity.getAssets();
Configuration config = activity.getResources().getConfiguration();
DisplayMetrics metrics = new DisplayMetrics();
activity.getWindowManager().getDefaultDisplay().getMetrics(metrics);
Resources resources;
Set<Locale> localeSet = new LinkedHashSet<Locale>();
for (Locale locale : localesToTest) {
config.locale = locale;
resources = new Resources(assets, metrics, config);
if (!TextUtils.equals(defaultString, resources.getString(resId))
|| locale.equals(Locale.ENGLISH))
localeSet.add(locale);
}
for (Locale locale : localeSet) {
if (locale.equals(TIBETAN)) {
// include English name for devices that don't support Tibetan
// font
tmpMap.put(TIBETAN.getLanguage(), "Tibetan བོད་སྐད།"); // Tibetan
} else if (locale.equals(Locale.SIMPLIFIED_CHINESE)) {
tmpMap.put(Locale.SIMPLIFIED_CHINESE.toString(), "中文 (中国)"); // Chinese
// (China)
} else if (locale.equals(Locale.TRADITIONAL_CHINESE)) {
tmpMap.put(Locale.TRADITIONAL_CHINESE.toString(), "中文 (台灣)"); // Chinese
// (Taiwan)
} else {
tmpMap.put(locale.getLanguage(), locale.getDisplayLanguage(locale));
}
}
// TODO implement this completely, the menu item works, but doesn't work
// properly
/* USE_SYSTEM_DEFAULT is a fake one for displaying in a chooser menu. */
// localeSet.add(null);
// tmpMap.put(USE_SYSTEM_DEFAULT,
// activity.getString(R.string.use_system_default));
nameMap = Collections.unmodifiableMap(tmpMap);
}
/**
* Get the instance of {@link Languages} to work with, providing the
* {@link Activity} that is will be working as part of. This uses the
* provided string resource {@code resId} find the supported translations:
* if an included translation has a translated string that matches that
* {@code resId}, i.e. {@code R.string.menu_settings}, then that language
* will be included as a supported language.
*
* @param activity the {@link Activity} this is working as part of
* @param resId the string resource ID to test, e.g.
* {@code R.string.menu_settings}
* @param defaultString the string resource in the default language, e.g.
* {@code "Settings"}
* @return
*/
public static Languages get(Activity activity, int resId, String defaultString) {
if (singleton == null)
singleton = new Languages(activity, resId, defaultString);
return singleton;
}
/**
* Return the name of the language based on the locale.
*
* @param locale
* @return
*/
public String getName(String locale) {
String ret = nameMap.get(locale);
// if no match, try to return a more general name (i.e. English for
// en_IN)
if (ret == null && locale.contains("_"))
ret = nameMap.get(locale.split("_")[0]);
return ret;
}
/**
* Return an array of the names of all the supported languages, sorted to
* match what is returned by {@link Languages#getSupportedLocales()}.
*
* @return
*/
public String[] getAllNames() {
return nameMap.values().toArray(new String[nameMap.size()]);
}
public int getPosition(Locale locale) {
String localeName = locale.getLanguage();
int i = 0;
for (String key : nameMap.keySet())
if (TextUtils.equals(key, localeName))
return i;
else
i++;
return -1;
}
/**
* Get sorted list of supported locales.
*
* @return
*/
public String[] getSupportedLocales() {
Set<String> keys = nameMap.keySet();
return keys.toArray(new String[keys.size()]);
}
}

7
src/org/torproject/android/OrbotApp.java
View File

@ -4,11 +4,14 @@ import java.util.Locale;
import org.torproject.android.service.TorServiceUtils;
import android.app.Activity;
import android.app.Application;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.preference.PreferenceManager;
import info.guardianproject.util.Languages;
public class OrbotApp extends Application implements OrbotConstants
{
@ -65,4 +68,8 @@ public class OrbotApp extends Application implements OrbotConstants
getResources().updateConfiguration(myConfig, getResources().getDisplayMetrics());
}
}
public static Languages getLanguages(Activity activity) {
return Languages.get(activity, R.string.menu_settings, "Settings");
}
}

53
src/org/torproject/android/settings/SettingsPreferences.java
View File

@ -3,13 +3,6 @@
package org.torproject.android.settings;
import java.util.Locale;
import org.sufficientlysecure.rootcommands.RootCommands;
import org.sufficientlysecure.rootcommands.Shell;
import org.torproject.android.R;
import org.torproject.android.service.TorServiceUtils;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
@ -23,9 +16,19 @@ import android.preference.Preference.OnPreferenceClickListener;
import android.preference.PreferenceActivity;
import android.widget.Toast;
import info.guardianproject.util.Languages;
import org.sufficientlysecure.rootcommands.RootCommands;
import org.sufficientlysecure.rootcommands.Shell;
import org.torproject.android.R;
import org.torproject.android.service.TorServiceUtils;
import java.util.Locale;
public class SettingsPreferences
extends PreferenceActivity implements OnPreferenceClickListener {
private static final String TAG = "SettingsPreferences";
private CheckBoxPreference prefCBTransProxy = null;
private CheckBoxPreference prefcBTransProxyAll = null;
@ -50,6 +53,9 @@ public class SettingsPreferences
prefLocale = (ListPreference) findPreference("pref_default_locale");
prefLocale.setOnPreferenceClickListener(this);
Languages languages = Languages.get(this, R.string.menu_settings, "Settings");
prefLocale.setEntries(languages.getAllNames());
prefLocale.setEntryValues(languages.getSupportedLocales());
prefCBTransProxy = (CheckBoxPreference) findPreference("pref_transparent");
prefcBTransProxyAll = (CheckBoxPreference) findPreference("pref_transparent_all");
@ -128,25 +134,24 @@ public class SettingsPreferences
}
else if (preference == prefLocale)
{
SharedPreferences settings = TorServiceUtils.getSharedPrefs(getApplicationContext());
SharedPreferences settings = TorServiceUtils.getSharedPrefs(getApplicationContext());
Configuration config = getResources().getConfiguration();
Configuration config = getResources().getConfiguration();
String lang = settings.getString("pref_default_locale", "");
Locale locale;
if (lang.equals("xx"))
{
locale = Locale.getDefault();
}
else
locale = new Locale(lang);
Locale.setDefault(locale);
config.locale = locale;
getResources().updateConfiguration(config, getResources().getDisplayMetrics());
String lang = settings.getString("pref_default_locale", "en");
Locale locale;
if (lang.equals("xx"))
{
locale = Locale.getDefault();
}
else
locale = new Locale(lang);
Locale.setDefault(locale);
config.locale = locale;
getResources().updateConfiguration(config, getResources().getDisplayMetrics());
}
else

42
src/org/torproject/android/ui/wizard/ChooseLocaleWizardActivity.java
View File

@ -1,11 +1,5 @@
package org.torproject.android.ui.wizard;
import java.util.Locale;
import org.torproject.android.R;
import org.torproject.android.OrbotConstants;
import org.torproject.android.service.TorServiceUtils;
import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
@ -21,32 +15,39 @@ import android.widget.Button;
import android.widget.ListView;
import android.widget.Toast;
import info.guardianproject.util.Languages;
import org.torproject.android.OrbotApp;
import org.torproject.android.OrbotConstants;
import org.torproject.android.R;
import org.torproject.android.service.TorServiceUtils;
import java.util.Locale;
public class ChooseLocaleWizardActivity extends Activity implements OrbotConstants {
private int flag = 0;
private ListView listLocales;
private String[] localeValues;
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.layout_wizard_locale);
listLocales = (ListView)findViewById(R.id.wizard_locale_list);
Button next = ((Button)findViewById(R.id.btnWizard2));
// next.setEnabled(false);
String[] strLangs = getResources().getStringArray(R.array.languages);
strLangs[0] = Locale.getDefault().getDisplayName();
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, android.R.id.text1, strLangs);
Languages languages = OrbotApp.getLanguages(this);
localeValues = languages.getSupportedLocales();
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, android.R.id.text1,
languages.getAllNames());
listLocales.setAdapter(adapter);
listLocales.setSelection(0);
listLocales.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1,
@ -55,7 +56,6 @@ public class ChooseLocaleWizardActivity extends Activity implements OrbotConstan
setLocalePref(arg2);
finish();
startActivity(new Intent(ChooseLocaleWizardActivity.this, PromoAppsActivity.class));
}
});
@ -68,21 +68,15 @@ public class ChooseLocaleWizardActivity extends Activity implements OrbotConstan
}
});
}
private void setLocalePref(int selId)
{
SharedPreferences prefs = TorServiceUtils.getSharedPrefs(getApplicationContext());
Configuration config = getResources().getConfiguration();
String[] localeVals = getResources().getStringArray(R.array.languages_values);
String lang = localeVals[selId];
String lang = localeValues[selId];
Editor pEdit = prefs.edit();
pEdit.putString(PREF_DEFAULT_LOCALE, lang);