[android] add system services

 

 

add system services

 

1. add ACTIVITY_SERVICE

frameworks/base/services/core/java/com/android/server/am/ActivityManagerService.java

    public void setSystemProcess() {
        try {
            ServiceManager.addService(Context.ACTIVITY_SERVICE, this, /* allowIsolated= */ true,
                    DUMP_FLAG_PRIORITY_CRITICAL | DUMP_FLAG_PRIORITY_NORMAL | DUMP_FLAG_PROTO);
            ServiceManager.addService(ProcessStats.SERVICE_NAME, mProcessStats);
            ServiceManager.addService("meminfo", new MemBinder(this), /* allowIsolated= */ false,
                    DUMP_FLAG_PRIORITY_HIGH);
            ServiceManager.addService("gfxinfo", new GraphicsBinder(this));
            ServiceManager.addService("dbinfo", new DbBinder(this));
            if (MONITOR_CPU_USAGE) {
                ServiceManager.addService("cpuinfo", new CpuBinder(this),
                        /* allowIsolated= */ false, DUMP_FLAG_PRIORITY_CRITICAL);
            }
            ServiceManager.addService("permission", new PermissionController(this));
            ServiceManager.addService("processinfo", new ProcessInfoService(this));
　　　　　　　...

2. add TV_INPUT_SERVICE

frameworks/base/services/core/java/com/android/server/tv/TvInputManagerService.java

    @Override
    public void onStart() {
        publishBinderService(Context.TV_INPUT_SERVICE, new BinderService());
    }

3. 　

frameworks/base/services/java/com/android/server/SystemService.java

    private void run() {
        try {
            traceBeginAndSlog("StartServices");
            startBootstrapServices();
            startCoreServices();
            startOtherServices();
            ...

　　

    private void startOtherServices() {
            try {
                networkManagement = NetworkManagementService.create(context);
                ServiceManager.addService(Context.NETWORKMANAGEMENT_SERVICE, networkManagement);
            try {
                networkStats = NetworkStatsService.create(context, networkManagement);
                ServiceManager.addService(Context.NETWORK_STATS_SERVICE, networkStats);
            try {
                networkPolicy = new NetworkPolicyManagerService(context, mActivityManagerService,
                        networkManagement);
                ServiceManager.addService(Context.NETWORK_POLICY_SERVICE, networkPolicy);