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/*
* Copyright (C) 2014 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 android.app.Notification;
import android.os.Build;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
public class NotificationCompatUtils {
// Note that TextInfo.getCharSequence() is supposed to be available in API level 21 and later.
private static final Method METHOD_setColor =
CompatUtils.getMethod(Notification.Builder.class, "setColor", int.class);
private static final Method METHOD_setVisibility =
CompatUtils.getMethod(Notification.Builder.class, "setVisibility", int.class);
private static final Method METHOD_setCategory =
CompatUtils.getMethod(Notification.Builder.class, "setCategory", String.class);
private static final Method METHOD_setPriority =
CompatUtils.getMethod(Notification.Builder.class, "setPriority", int.class);
private static final Method METHOD_build =
CompatUtils.getMethod(Notification.Builder.class, "build");
private static final Field FIELD_VISIBILITY_SECRET =
CompatUtils.getField(Notification.class, "VISIBILITY_SECRET");
private static final int VISIBILITY_SECRET = null == FIELD_VISIBILITY_SECRET ? 0
: (Integer) CompatUtils.getFieldValue(null /* receiver */, null /* defaultValue */,
FIELD_VISIBILITY_SECRET);
private static final Field FIELD_CATEGORY_RECOMMENDATION =
CompatUtils.getField(Notification.class, "CATEGORY_RECOMMENDATION");
private static final String CATEGORY_RECOMMENDATION = null == FIELD_CATEGORY_RECOMMENDATION ? ""
: (String) CompatUtils.getFieldValue(null /* receiver */, null /* defaultValue */,
FIELD_CATEGORY_RECOMMENDATION);
private static final Field FIELD_PRIORITY_LOW =
CompatUtils.getField(Notification.class, "PRIORITY_LOW");
private static final int PRIORITY_LOW = null == FIELD_PRIORITY_LOW ? 0
: (Integer) CompatUtils.getFieldValue(null /* receiver */, null /* defaultValue */,
FIELD_PRIORITY_LOW);
private NotificationCompatUtils() {
// This class is non-instantiable.
}
// Sets the accent color
public static void setColor(final Notification.Builder builder, final int color) {
CompatUtils.invoke(builder, null, METHOD_setColor, color);
}
public static void setVisibilityToSecret(final Notification.Builder builder) {
CompatUtils.invoke(builder, null, METHOD_setVisibility, VISIBILITY_SECRET);
}
public static void setCategoryToRecommendation(final Notification.Builder builder) {
CompatUtils.invoke(builder, null, METHOD_setCategory, CATEGORY_RECOMMENDATION);
}
public static void setPriorityToLow(final Notification.Builder builder) {
CompatUtils.invoke(builder, null, METHOD_setPriority, PRIORITY_LOW);
}
@SuppressWarnings("deprecation")
public static Notification build(final Notification.Builder builder) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
// #build was added in API level 16, JELLY_BEAN
return (Notification) CompatUtils.invoke(builder, null, METHOD_build);
}
// #getNotification was deprecated in API level 16, JELLY_BEAN
return builder.getNotification();
}
}
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