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Support EditorInfo#hintLocales in compat library.

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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
This commit is contained in:
Yohei Yukawa 2016-01-22 00:57:32 -08:00
parent 995ce45572
commit 16645966a9
2 changed files with 48 additions and 0 deletions
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14
java/src/com/android/inputmethod/compat/EditorInfoCompatUtils.java
View file

@ -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
java/src/com/android/inputmethod/compat/LocaleListCompatUtils.java Normal file
View file

@ -0,0 +1,34 @@
/*
* 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);
}
}