Android---AIDL-IPC通信

参考资料http://liuwangshu.cn/application/ipc/3-aidl.html

创建AIDL文件

image.png

IBookManager.aidl

package megvii.ipc;
//使用了Book类，这个类实现了Parcelable，需要import进来
import megvii.ipc.Book;
//所在包包名应该与应用包名一致
interface IBookManager {
    void basicTypes(int anInt, long aLong, boolean aBoolean, float aFloat,
            double aDouble, String aString);

    List<Book>getBook();
    void addBook(in Book book);
}

package megvii.ipc;

import android.os.Parcel;
import android.os.Parcelable;

/**
 * Created by wangzhiqiang on 2017/6/18.
 */

public class Book implements Parcelable {

    String book;
    String des;

    public Book(String book, String des){
        this.book = book;
        this.des = des;
    }
    public Book(Parcel in){
        book = in.readString();
        des = in.readString();
    }

    public static final Creator<Book> CREATOR = new Creator<Book>() {
        @Override
        public Book createFromParcel(Parcel source) {
            return new Book(source);
        }

        @Override
        public Book[] newArray(int size) {
            return new Book[size];
        }
    };

    @Override
    public void writeToParcel(Parcel dest, int flags) {
        dest.writeString(book);
        dest.writeString(des);
    }

    @Override
    public int describeContents() {
        return 0;
    }
}

package megvii.ipc;
parcelable Book;
//要创建Book.aidl，声明Book实现了parceable接口
//声明完所有aidl接口并写完Book.java后重新编译项目，就会生成与aidl相对应的接口文件

image.png

package megvii.ipc;

import android.app.Service;
import android.content.Intent;
import android.os.Binder;
import android.os.IBinder;
import android.os.RemoteException;
import android.support.annotation.Nullable;

import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;

/**
 * Created by wangzhiqiang on 2017/6/18.
 */

public class AIDLService extends Service {

    private CopyOnWriteArrayList<Book> mBook = new CopyOnWriteArrayList<>();

    private Binder mBinder = new IBookManager.Stub(){
        @Override
        public void addBook(Book book) throws RemoteException {
            mBook.add(book);
        }

        @Override
        public List<Book> getBook() throws RemoteException {
            return mBook;
        }

        @Override
        public void basicTypes(int anInt, long aLong, boolean aBoolean, float aFloat, double aDouble, String aString) throws RemoteException {

        }
    };

    @Override
    public void onCreate() {
        super.onCreate();
        mBook.add(new Book("1","2"));
    }

    @Nullable
    @Override
    public IBinder onBind(Intent intent) {
        return mBinder;
    }
}

private ServiceConnection aidlConnection = new ServiceConnection() {
        @Override
        public void onServiceConnected(ComponentName name, IBinder service) {
            //将绑定成功后的Binder对象转换为aidl接口，通过这个接口调用远程服务端方法
            IBookManager iBookManager = IBookManager.Stub.asInterface(service);
            //绑定成功后创建新的Book然后调用服务端addBook方法添加，打印
            Book book = new Book("nihao", "hello");
            try{
                iBookManager.addBook(book);
                List<Book> mbook =iBookManager.getBook();
                for (int i = 0; i < mbook.size(); i++){
                    Book bo = mbook.get(i);
                    Log.i(TAG, bo.book + "----" + bo.des);
                }
            }catch (RemoteException e){
                e.printStackTrace();
            }
        }
        @Override
        public void onServiceDisconnected(ComponentName name) {

        }
    };

 @Override
    protected void onDestroy() {
        super.onDestroy();
    //    unbindService(mService);
        unbindService(aidlConnection);
    }

Intent intent = new Intent(MainActivity.this, AIDLService.class);
        bindService(intent, aidlConnection, Context.BIND_AUTO_CREATE);

<service android:name=".AIDLService"
            android:process=":aidlservice"/>