基于binder机制编写aidl接口文件

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/** * Created by liyihang on 17-7-10. */public interface MyUserInterface extends IInterface {    String getFont(String msg) throws RemoteException;    int getNums(int[] arr) throws RemoteException;    public static abstract class Stub extends Binder implements MyUserInterface{        private static final String DESCRIPTOR = "com.asinterface.bins.MyUserInterface";        private static final int TRANSALTE_ID=IBinder.FIRST_CALL_TRANSACTION+0;        private static final int TRANSALTE_ID_1=IBinder.FIRST_CALL_TRANSACTION+1;        public Stub() {    //attach 自定义接口            this.attachInterface(this, DESCRIPTOR);        }        @Override        public IBinder asBinder() {    //返回传递binder对象            return this;        }        public static MyUserInterface asInterface(IBinder iBinder){    //获取代理接口的方法            if (iBinder==null)            {                return null;            }            IInterface iInterface = iBinder.queryLocalInterface(DESCRIPTOR);            if (iInterface!=null && iInterface instanceof MyUserInterface)            {                return (MyUserInterface) iInterface;            }            return new Proxy(iBinder);        }        @Override        protected boolean onTransact(int code, Parcel data, Parcel reply, int flags) throws RemoteException {    //service 服务端回调            switch (code)            {                case INTERFACE_TRANSACTION:                {                    reply.writeString(DESCRIPTOR);                    return true;                }                case TRANSALTE_ID:                {                    data.enforceInterface(DESCRIPTOR);                    String s = data.readString();                    String font = getFont(s);                    reply.writeNoException();                    reply.writeString(font);                    return true;                }                case TRANSALTE_ID_1:                {                    data.enforceInterface(DESCRIPTOR);                    int[] arr=new int[100000];                    data.readIntArray(arr);                    int font = getNums(arr);                    reply.writeNoException();                    reply.writeInt(font);                    return true;                }            }            return super.onTransact(code, data, reply, flags);        }// 客户端代理接口        public static class Proxy implements MyUserInterface{            private IBinder iBinder;            public Proxy(IBinder iBinder) {                this.iBinder = iBinder;            }            @Override            public String getFont(String msg) throws RemoteException {                Parcel data = Parcel.obtain();                Parcel reply = Parcel.obtain();                String result=null;                try {                    data.writeInterfaceToken(DESCRIPTOR);                    data.writeString(msg);                    iBinder.transact(TRANSALTE_ID, data, reply, 0);                    reply.readException();                    result = reply.readString();                }finally {                    reply.recycle();                    data.recycle();                }                return result;            }            @Override            public int getNums(int[] arr) throws RemoteException {                Parcel data = Parcel.obtain();                Parcel reply = Parcel.obtain();                int result=0;                try {                    data.writeInterfaceToken(DESCRIPTOR);                    data.writeIntArray(arr);                    iBinder.transact(TRANSALTE_ID_1, data, reply, 0);                    reply.readException();                    result = reply.readInt();                }finally {                    reply.recycle();                    data.recycle();                }                return result;            }            @Override            public IBinder asBinder() {                return iBinder;            }        }    }}
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