1 /*
2  * Copyright (C) 2021 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 package com.android.launcher3.util;
17 
18 import android.content.Context;
19 import android.icu.text.MessageFormat;
20 
21 import androidx.annotation.StringRes;
22 
23 import java.util.HashMap;
24 import java.util.Locale;
25 
26 /** A helper class to format common ICU plural strings. */
27 public class PluralMessageFormat {
28 
29     /**
30      * Returns a plural string from a ICU format message template, which takes "count" as an
31      * argument.
32      *
33      * <p>An example of ICU format message template provided by {@code stringId}:
34      * {count, plural, =1{# widget} other{# widgets}}
35      */
getIcuPluralString(Context context, @StringRes int stringId, int count)36     public static final String getIcuPluralString(Context context, @StringRes int stringId,
37             int count) {
38         MessageFormat icuCountFormat = new MessageFormat(
39                 context.getResources().getString(stringId),
40                 Locale.getDefault());
41         HashMap<String, Object> args = new HashMap();
42         args.put("count", count);
43         return icuCountFormat.format(args);
44     }
45 }
46