1 files changed, 45 insertions, 0 deletions
diff --git a/src/com/android/launcher3/util/PluralMessageFormat.java b/src/com/android/launcher3/util/PluralMessageFormat.java
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+++ b/src/com/android/launcher3/util/PluralMessageFormat.java
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+/*
+ * Copyright (C) 2021 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.launcher3.util;
+
+import android.content.Context;
+import android.icu.text.MessageFormat;
+
+import androidx.annotation.StringRes;
+
+import java.util.HashMap;
+import java.util.Locale;
+
+/** A helper class to format common ICU plural strings. */
+public class PluralMessageFormat {
+
+    /**
+     * Returns a plural string from a ICU format message template, which takes "count" as an
+     * argument.
+     *
+     * <p>An example of ICU format message template provided by {@code stringId}:
+     * {count, plural, =1{# widget} other{# widgets}}
+     */
+    public static final String getIcuPluralString(Context context, @StringRes int stringId,
+            int count) {
+        MessageFormat icuCountFormat = new MessageFormat(
+                context.getResources().getString(stringId),
+                Locale.getDefault());
+        HashMap<String, Object> args = new HashMap();
+        args.put("count", count);
+        return icuCountFormat.format(args);
+    }
+}