客户端通过 ：

iJimmyAidl = IJimmyAidl.Stub.asInterface(service);

定义好接口，服务端去实现接口，客户端调用接口

/*
 * This file is auto-generated.  DO NOT MODIFY.
 * Original file: /Users/guiyanbing/Documents/project/android/study/Binder/aidl_client/app/src/main/aidl/com/netease/aidl_service/IJimmyAidl.aidl
 */
package com.netease.aidl_service;

public interface IJimmyAidl extends android.os.IInterface {
    /**
     * Local-side IPC implementation stub class.
     */
    public static abstract class Stub extends android.os.Binder implements com.netease.aidl_service.IJimmyAidl {
        private static final java.lang.String DESCRIPTOR = "com.netease.aidl_service.IJimmyAidl";

        /**
         * Construct the stub at attach it to the interface.
         */
        public Stub() {
            this.attachInterface(this, DESCRIPTOR);
        }

        /**
         * Cast an IBinder object into an com.netease.aidl_service.IJimmyAidl interface,
         * generating a proxy if needed.
         */
        public static com.netease.aidl_service.IJimmyAidl asInterface(android.os.IBinder obj) {
            if ((obj == null)) {
                return null;
            }
            android.os.IInterface iin = obj.queryLocalInterface(DESCRIPTOR);
            if (((iin != null) && (iin instanceof com.netease.aidl_service.IJimmyAidl))) {
                return ((com.netease.aidl_service.IJimmyAidl) iin);
            }
            return new com.netease.aidl_service.IJimmyAidl.Stub.Proxy(obj);
        }

        @Override
        public android.os.IBinder asBinder() {
            return this;
        }

        @Override
        public boolean onTransact(int code, android.os.Parcel data, android.os.Parcel reply, int flags) throws android.os.RemoteException {
            switch (code) {
                case INTERFACE_TRANSACTION: {
                    reply.writeString(DESCRIPTOR);
                    return true;
                }
                case TRANSACTION_addPerson: {
                    data.enforceInterface(DESCRIPTOR);
                    com.netease.aidl_service.Person _arg0;
                    if ((0 != data.readInt())) {
                        _arg0 = com.netease.aidl_service.Person.CREATOR.createFromParcel(data);
                    } else {
                        _arg0 = null;
                    }
                    this.addPerson(_arg0);
                    reply.writeNoException();
                    return true;
                }
                case TRANSACTION_getPersonList: {
                    data.enforceInterface(DESCRIPTOR);
                    java.util.List<com.netease.aidl_service.Person> _result = this.getPersonList();
                    reply.writeNoException();
                    reply.writeTypedList(_result);
                    return true;
                }
            }
            return super.onTransact(code, data, reply, flags);
        }

        private static class Proxy implements com.netease.aidl_service.IJimmyAidl {
            private android.os.IBinder mRemote;

            Proxy(android.os.IBinder remote) {
                mRemote = remote;
            }

            @Override
            public android.os.IBinder asBinder() {
                return mRemote;
            }

            public java.lang.String getInterfaceDescriptor() {
                return DESCRIPTOR;
            }

            @Override
            public void addPerson(com.netease.aidl_service.Person person) throws android.os.RemoteException {
                android.os.Parcel _data = android.os.Parcel.obtain();
                android.os.Parcel _reply = android.os.Parcel.obtain();
                try {
                    _data.writeInterfaceToken(DESCRIPTOR);
                    if ((person != null)) {
                        _data.writeInt(1);
                        person.writeToParcel(_data, 0);
                    } else {
                        _data.writeInt(0);
                    }
                    mRemote.transact(Stub.TRANSACTION_addPerson, _data, _reply, 0);
                    _reply.readException();
                } finally {
                    _reply.recycle();
                    _data.recycle();
                }
            }

            @Override
            public java.util.List<com.netease.aidl_service.Person> getPersonList() throws android.os.RemoteException {
                android.os.Parcel _data = android.os.Parcel.obtain();
                android.os.Parcel _reply = android.os.Parcel.obtain();
                java.util.List<com.netease.aidl_service.Person> _result;
                try {
                    _data.writeInterfaceToken(DESCRIPTOR);
                    mRemote.transact(Stub.TRANSACTION_getPersonList, _data, _reply, 0);
                    _reply.readException();
                    _result = _reply.createTypedArrayList(com.netease.aidl_service.Person.CREATOR);
                } finally {
                    _reply.recycle();
                    _data.recycle();
                }
                return _result;
            }
        }

        static final int TRANSACTION_addPerson = (android.os.IBinder.FIRST_CALL_TRANSACTION + 0);
        static final int TRANSACTION_getPersonList = (android.os.IBinder.FIRST_CALL_TRANSACTION + 1);
    }

    public void addPerson(com.netease.aidl_service.Person person) throws android.os.RemoteException;

    public java.util.List<com.netease.aidl_service.Person> getPersonList() throws android.os.RemoteException;
}