2020-05-09 Android Binder

Android 是一个基于Binder机制通信的C/S架构，包含：Client Server Servicemanager三部分。

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ProcessState.cpp

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https://www.jianshu.com/p/27f62f00c9ca

AIDL的用法
https://www.jianshu.com/p/5043a1a69269

NotificationManager提供的函数：

ServiceManager通过懒加载提供NotificationManager对象

 static public INotificationManager getService()
    {
        if (sService != null) {//懒加载-----
            return sService;
        }
        IBinder b = ServiceManager.getService("notification");
        sService = INotificationManager.Stub.asInterface(b);
        return sService;
    }