72 lines
2.5 KiB
Java
72 lines
2.5 KiB
Java
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/*
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* Copyright (C) 2023 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 android.nfc;
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import android.annotation.NonNull;
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import android.annotation.SystemApi;
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import android.app.SystemServiceRegistry;
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import android.content.Context;
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/**
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* Class for performing registration for Nfc service.
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*
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* @hide
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*/
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@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
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public class NfcFrameworkInitializer {
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private NfcFrameworkInitializer() {}
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private static volatile NfcServiceManager sNfcServiceManager;
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/**
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* Sets an instance of {@link NfcServiceManager} that allows
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* the nfc mainline module to register/obtain nfc binder services. This is called
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* by the platform during the system initialization.
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*
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* @param nfcServiceManager instance of {@link NfcServiceManager} that allows
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* the nfc mainline module to register/obtain nfcd binder services.
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*/
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public static void setNfcServiceManager(
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@NonNull NfcServiceManager nfcServiceManager) {
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if (sNfcServiceManager != null) {
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throw new IllegalStateException("setNfcServiceManager called twice!");
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}
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if (nfcServiceManager == null) {
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throw new IllegalArgumentException("nfcServiceManager must not be null");
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}
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sNfcServiceManager = nfcServiceManager;
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}
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/** @hide */
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public static NfcServiceManager getNfcServiceManager() {
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return sNfcServiceManager;
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}
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/**
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* Called by {@link SystemServiceRegistry}'s static initializer and registers NFC service
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* to {@link Context}, so that {@link Context#getSystemService} can return them.
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*
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* @throws IllegalStateException if this is called from anywhere besides
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* {@link SystemServiceRegistry}
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*/
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public static void registerServiceWrappers() {
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SystemServiceRegistry.registerContextAwareService(Context.NFC_SERVICE,
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NfcManager.class, context -> new NfcManager(context));
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}
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}
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