aidl的应用场景

支付宝

package com.tesy.alipay;

import com.test.alipay.Iservice.Stub;

import android.app.Service;
import android.content.Intent;
import android.os.Binder;
import android.os.IBinder;

public class PayService extends Service {

    //[2]我们定义的中间人对象返回
    @Override
    public IBinder onBind(Intent intent) {
        return new MyBinder();
    }

    //支付宝支付的方法
    public boolean pay(String name,String pwd,int money){
            System.out.println("1验证用户名和密码 ");
            System.out.println("2验证手机是否携带病毒");
            System.out.println("3调用C语言 做一些加密处理 ");

            if ("abc".equals(name)&& "123".equals(pwd)&& money <5000) {

                return true;
            }else {
                return false;

            }

    }

    //定义中间人对象
    private class MyBinder extends Stub{

        //调用支付的方法
        @Override
        public boolean callPay(String name, String pwd, int money) {

            return pay(name, pwd, money);

        }

    }

}

       <service android:name="com.itheima.alipay.PayService">
            <intent-filter >
                <action android:name="com.itheima.alipay"/>
            </intent-filter>
       </service>    

欢乐斗地主买豆

package com.test.ddz;

import com.test.alipay.Iservice;
import com.test.alipay.Iservice.Stub;

import android.os.Bundle;
import android.os.IBinder;
import android.os.RemoteException;
import android.app.Activity;
import android.content.ComponentName;
import android.content.Intent;
import android.content.ServiceConnection;
import android.view.Menu;
import android.view.View;
import android.widget.Toast;

public class MainActivity extends Activity {

    private Myconn conn;
    private Iservice iservice; //我们定义的中间人对象

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        //[1]调用bindService 获取我们定义的中间人对象
        Intent intent = new Intent();
        intent.setAction("com.itheima.alipay");

        conn = new Myconn();
        //[2]绑定服务
        bindService(intent, conn, BIND_AUTO_CREATE);

    }

    //点击按钮 买豆
    public void click(View v) {

        try {
            boolean result = iservice.callPay("abcdd", "123", 100);

            if (result) {
                //支付成功
                Toast.makeText(getApplicationContext(), "买豆成功", 1).show();
            }else {

                Toast.makeText(getApplicationContext(), "买豆失败", 1).show();
            }

        } catch (RemoteException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    private class Myconn implements ServiceConnection{

        @Override
        public void onServiceConnected(ComponentName name, IBinder service) {
        // 获取中间人对象 

        iservice = Stub.asInterface(service);
        }

        @Override
        public void onServiceDisconnected(ComponentName name) {

        }

    }

    @Override
    protected void onDestroy() {
        //当Activity销毁的时候 解绑服务
        unbindService(conn);
        super.onDestroy();
    }

}