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Commit 16645966 authored by Yohei Yukawa's avatar Yohei Yukawa
Browse files

Support EditorInfo#hintLocales in compat library.

This CL updates LatinIME's compatibility library so that we can access
EditorInfo#hintLocales without directly depending on unreleased SDK.

Bug: 22859862
Change-Id: I4ba7d294bc314002c3abf8842f097a4249783364
parent 995ce455
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+14 −0
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ package com.android.inputmethod.compat;
import android.view.inputmethod.EditorInfo;

import java.lang.reflect.Field;
import java.util.Locale;

public final class EditorInfoCompatUtils {
    // Note that EditorInfo.IME_FLAG_FORCE_ASCII has been introduced
@@ -27,6 +28,8 @@ public final class EditorInfoCompatUtils {
            EditorInfo.class, "IME_FLAG_FORCE_ASCII");
    private static final Integer OBJ_IME_FLAG_FORCE_ASCII = (Integer) CompatUtils.getFieldValue(
            null /* receiver */, null /* defaultValue */, FIELD_IME_FLAG_FORCE_ASCII);
    private static final Field FIELD_HINT_LOCALES = CompatUtils.getField(
            EditorInfo.class, "hintLocales");

    private EditorInfoCompatUtils() {
        // This utility class is not publicly instantiable.
@@ -78,4 +81,15 @@ public final class EditorInfoCompatUtils {
        }
        return (action != null) ? flags + action : flags.toString();
    }

    public static Locale getPrimaryHintLocale(final EditorInfo editorInfo) {
        if (editorInfo == null) {
            return null;
        }
        final Object localeList = CompatUtils.getFieldValue(editorInfo, null, FIELD_HINT_LOCALES);
        if (localeList == null) {
            return null;
        }
        return LocaleListCompatUtils.getPrimary(localeList);
    }
}
+34 −0
Original line number Diff line number Diff line
/*
 * Copyright (C) 2016 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.inputmethod.compat;

import java.lang.reflect.Method;
import java.util.Locale;

public final class LocaleListCompatUtils {
    private static final Class CLASS_LocaleList = CompatUtils.getClass("android.util.LocaleList");
    private static final Method METHOD_getPrimary =
            CompatUtils.getMethod(CLASS_LocaleList, "getPrimary");

    private LocaleListCompatUtils() {
        // This utility class is not publicly instantiable.
    }

    public static Locale getPrimary(final Object localeList) {
        return (Locale) CompatUtils.invoke(localeList, null, METHOD_getPrimary);
    }
}