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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings.accessibility;
import android.content.ComponentName;
import android.content.Context;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.provider.Settings;
import android.text.TextUtils.SimpleStringSplitter;
import java.util.Collections;
import java.util.HashSet;
import java.util.Locale;
import java.util.Set;
/**
* Utility methods used within accessibility settings.
*/
class AccessibilityUtils {
/**
* @return the set of enabled accessibility services. If there are not services
* it returned the unmodifiable {@link Collections#emptySet()}.
*/
static Set<ComponentName> getEnabledServicesFromSettings(Context context) {
final String enabledServicesSetting = Settings.Secure.getString(
context.getContentResolver(), Settings.Secure.ENABLED_ACCESSIBILITY_SERVICES);
if (enabledServicesSetting == null) {
return Collections.emptySet();
}
final Set<ComponentName> enabledServices = new HashSet<ComponentName>();
final SimpleStringSplitter colonSplitter = AccessibilitySettings.sStringColonSplitter;
colonSplitter.setString(enabledServicesSetting);
while (colonSplitter.hasNext()) {
final String componentNameString = colonSplitter.next();
final ComponentName enabledService = ComponentName.unflattenFromString(
componentNameString);
if (enabledService != null) {
enabledServices.add(enabledService);
}
}
return enabledServices;
}
/**
* @return a localized version of the text resource specified by resId
*/
static CharSequence getTextForLocale(Context context, Locale locale, int resId) {
final Resources res = context.getResources();
final Configuration config = res.getConfiguration();
final Locale prevLocale = config.locale;
try {
config.locale = locale;
res.updateConfiguration(config, null);
return res.getText(resId);
} finally {
config.locale = prevLocale;
res.updateConfiguration(config, null);
}
}
}
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