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Code Issues Projects Releases Wiki Activity

Filter out RTL languages on API < 17.

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This commit is contained in:
akwizgran
2018-06-08 12:00:30 +01:00
committed by goapunk
parent 18c4195115
commit fa267d38af
1 changed files with 29 additions and 8 deletions
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37
briar-android/src/main/java/org/briarproject/briar/android/settings/SettingsFragment.java
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@@ -9,6 +9,7 @@ import android.media.RingtoneManager;
import android.net.Uri;
import android.os.Bundle;
import android.support.annotation.StringRes;
import android.support.v4.text.TextUtilsCompat;
import android.support.v7.preference.CheckBoxPreference;
import android.support.v7.preference.ListPreference;
import android.support.v7.preference.Preference;
@@ -35,6 +36,8 @@ import org.briarproject.briar.android.Localizer;
import org.briarproject.briar.android.navdrawer.NavDrawerActivity;
import org.briarproject.briar.android.util.UserFeedback;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.logging.Logger;
@@ -54,6 +57,7 @@ import static android.provider.Settings.ACTION_CHANNEL_NOTIFICATION_SETTINGS;
import static android.provider.Settings.EXTRA_APP_PACKAGE;
import static android.provider.Settings.EXTRA_CHANNEL_ID;
import static android.provider.Settings.System.DEFAULT_NOTIFICATION_URI;
import static android.support.v4.view.ViewCompat.LAYOUT_DIRECTION_LTR;
import static android.widget.Toast.LENGTH_SHORT;
import static java.util.logging.Level.INFO;
import static java.util.logging.Level.WARNING;
@@ -192,16 +196,24 @@ public class SettingsFragment extends PreferenceFragmentCompat
private void setLanguageEntries() {
CharSequence[] tags = language.getEntryValues();
CharSequence[] nativeNames = new CharSequence[tags.length];
for (int i = 0; i < tags.length; i++) {
String tag = tags[i].toString();
List<CharSequence> entries = new ArrayList<>(tags.length);
List<CharSequence> entryValues = new ArrayList<>(tags.length);
for (CharSequence cs : tags) {
String tag = cs.toString();
if (tag.equals("default")) {
nativeNames[i] = getString(R.string.pref_language_default);
entries.add(getString(R.string.pref_language_default));
entryValues.add(tag);
continue;
}
Locale locale = Localizer.getLocaleFromTag(tag);
if (locale == null)
throw new IllegalStateException();
// Exclude RTL locales on API < 17, they won't be laid out correctly
if (SDK_INT < 17 && !isLeftToRight(locale)) {
if (LOG.isLoggable(INFO))
LOG.info("Skipping RTL locale " + tag);
continue;
}
String nativeName = locale.getDisplayName(locale);
// Fallback to English if the name is unknown in both native and
// current locale.
@@ -211,11 +223,20 @@ public class SettingsFragment extends PreferenceFragmentCompat
nativeName = tmp;
}
// Prefix with LRM marker to prevent any RTL direction
nativeNames[i] =
"\u200E" + nativeName.substring(0, 1).toUpperCase() +
nativeName.substring(1);
entries.add("\u200E" + nativeName.substring(0, 1).toUpperCase()
+ nativeName.substring(1));
entryValues.add(tag);
}
language.setEntries(nativeNames);
language.setEntries(entries.toArray(new CharSequence[0]));
language.setEntryValues(entryValues.toArray(new CharSequence[0]));
}
private boolean isLeftToRight(Locale locale) {
// TextUtilsCompat returns the wrong direction for Hebrew on some phones
String language = locale.getLanguage();
if (language.equals("iw") || language.equals("he")) return false;
int direction = TextUtilsCompat.getLayoutDirectionFromLocale(locale);
return direction == LAYOUT_DIRECTION_LTR;
}
private void loadSettings() {