LocalePreference.java revision 39b467482d1bf256a111c757e9b7621c6f523271 
1/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.settings.accessibility;
18
19import android.content.Context;
20import android.support.v7.preference.ListPreference;
21import android.util.AttributeSet;
22
23import com.android.internal.app.LocalePicker;
24import com.android.settings.R;
25
26import java.util.List;
27
28/**
29 * List preference that allows the user to pick a locale from the list of
30 * supported device locales.
31 */
32public class LocalePreference extends ListPreference {
33    public LocalePreference(Context context, AttributeSet attrs) {
34        super(context, attrs);
35        init(context);
36    }
37
38    public LocalePreference(Context context) {
39        super(context);
40        init(context);
41    }
42
43    public void init(Context context) {
44        List<LocalePicker.LocaleInfo> locales = LocalePicker.getAllAssetLocales(context,
45                false /* in developer mode */);
46
47        final int finalSize = locales.size();
48        final CharSequence[] entries = new CharSequence[finalSize + 1];
49        final CharSequence[] entryValues = new CharSequence[finalSize + 1];
50        entries[0] = context.getResources().getString(R.string.locale_default);
51        entryValues[0] = "";
52
53        for (int i = 0; i < finalSize; i++) {
54            final LocalePicker.LocaleInfo info = locales.get(i);
55            entries[i + 1] = info.toString();
56            entryValues[i + 1] = info.getLocale().toString();
57        }
58
59        setEntries(entries);
60        setEntryValues(entryValues);
61    }
62}
63