84 lines
3.9 KiB
Java
84 lines
3.9 KiB
Java
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.inputmethod.compat;
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import android.app.Notification;
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import android.os.Build;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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public class NotificationCompatUtils {
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// Note that TextInfo.getCharSequence() is supposed to be available in API level 21 and later.
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private static final Method METHOD_setColor =
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CompatUtils.getMethod(Notification.Builder.class, "setColor", int.class);
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private static final Method METHOD_setVisibility =
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CompatUtils.getMethod(Notification.Builder.class, "setVisibility", int.class);
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private static final Method METHOD_setCategory =
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CompatUtils.getMethod(Notification.Builder.class, "setCategory", String.class);
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private static final Method METHOD_setPriority =
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CompatUtils.getMethod(Notification.Builder.class, "setPriority", int.class);
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private static final Method METHOD_build =
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CompatUtils.getMethod(Notification.Builder.class, "build");
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private static final Field FIELD_VISIBILITY_SECRET =
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CompatUtils.getField(Notification.class, "VISIBILITY_SECRET");
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private static final int VISIBILITY_SECRET = null == FIELD_VISIBILITY_SECRET ? 0
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: (Integer) CompatUtils.getFieldValue(null /* receiver */, null /* defaultValue */,
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FIELD_VISIBILITY_SECRET);
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private static final Field FIELD_CATEGORY_RECOMMENDATION =
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CompatUtils.getField(Notification.class, "CATEGORY_RECOMMENDATION");
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private static final String CATEGORY_RECOMMENDATION = null == FIELD_CATEGORY_RECOMMENDATION ? ""
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: (String) CompatUtils.getFieldValue(null /* receiver */, null /* defaultValue */,
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FIELD_CATEGORY_RECOMMENDATION);
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private static final Field FIELD_PRIORITY_LOW =
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CompatUtils.getField(Notification.class, "PRIORITY_LOW");
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private static final int PRIORITY_LOW = null == FIELD_PRIORITY_LOW ? 0
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: (Integer) CompatUtils.getFieldValue(null /* receiver */, null /* defaultValue */,
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FIELD_PRIORITY_LOW);
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private NotificationCompatUtils() {
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// This class is non-instantiable.
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}
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// Sets the accent color
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public static void setColor(final Notification.Builder builder, final int color) {
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CompatUtils.invoke(builder, null, METHOD_setColor, color);
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}
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public static void setVisibilityToSecret(final Notification.Builder builder) {
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CompatUtils.invoke(builder, null, METHOD_setVisibility, VISIBILITY_SECRET);
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}
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public static void setCategoryToRecommendation(final Notification.Builder builder) {
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CompatUtils.invoke(builder, null, METHOD_setCategory, CATEGORY_RECOMMENDATION);
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}
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public static void setPriorityToLow(final Notification.Builder builder) {
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CompatUtils.invoke(builder, null, METHOD_setPriority, PRIORITY_LOW);
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}
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public static Notification build(final Notification.Builder builder) {
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
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// #build was added in API level 16, JELLY_BEAN
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return (Notification) CompatUtils.invoke(builder, null, METHOD_build);
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} else {
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// #getNotification was deprecated in API level 16, JELLY_BEAN
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return builder.getNotification();
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}
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}
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}
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