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 
17 package com.android.settings.accessibility;
18 
19 import android.content.Context;
20 import android.content.res.Resources;
21 import android.preference.ListPreference;
22 import android.util.AttributeSet;
23 
24 import com.android.internal.app.LocalePicker;
25 import com.android.settings.R;
26 
27 import java.text.Collator;
28 import java.util.Arrays;
29 import java.util.List;
30 import java.util.Locale;
31 
32 /**
33  * List preference that allows the user to pick a locale from the list of
34  * supported device locales.
35  */
36 public class LocalePreference extends ListPreference {
LocalePreference(Context context, AttributeSet attrs)37     public LocalePreference(Context context, AttributeSet attrs) {
38         super(context, attrs);
39         init(context);
40     }
41 
LocalePreference(Context context)42     public LocalePreference(Context context) {
43         super(context);
44         init(context);
45     }
46 
init(Context context)47     public void init(Context context) {
48         List<LocalePicker.LocaleInfo> locales = LocalePicker.getAllAssetLocales(context,
49                 false /* in developer mode */);
50 
51         final int finalSize = locales.size();
52         final CharSequence[] entries = new CharSequence[finalSize + 1];
53         final CharSequence[] entryValues = new CharSequence[finalSize + 1];
54         entries[0] = context.getResources().getString(R.string.locale_default);
55         entryValues[0] = "";
56 
57         for (int i = 0; i < finalSize; i++) {
58             final LocalePicker.LocaleInfo info = locales.get(i);
59             entries[i + 1] = info.toString();
60             entryValues[i + 1] = info.getLocale().toString();
61         }
62 
63         setEntries(entries);
64         setEntryValues(entryValues);
65     }
66 }
67