新增Android系统服务

askilledhand

已于 2022-03-29 10:03:56 修改

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分类专栏： Android系统文章标签： android framework

于 2019-06-20 16:23:19 首次发布

本文链接：https://blog.youkuaiyun.com/askilledhand/article/details/93056540

因项目需求，要在Android系统中新增系统服务DevInfoManager。记录了具体操作步骤，包括在特定目录下增加相关Java和aidl文件、添加Service类、在SystemServer中生成并添加到ServiceManager、增加service注册、在Android.mk中声明aidl，编译前执行make update-api等。

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由于项目需求，需要在系统中新加一项系统服务DevInfoManager，特作如下记录：

1、在frameworks/base/core/java/android/app/目录下增加DevInfoManager.java及DevInfoManagerImpl.java文件

DevInfoManager.java

/*
 * Copyright (C) 2010 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 android.app;

import android.app.ActivityManager.RunningAppProcessInfo;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.RemoteException;
import android.util.Log;
import java.util.Properties;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

/**
 * {@hide}
 */
public abstract interface DevInfoManager {

	/** @hide*/
    public static final St