Android远程服务编写和调用教程

package com.dumaisoft.wxbremoteservice;

interface IWxbService {
 void setName(String name);
 String getName();
}

package com.dumaisoft.wxbremoteservice;

import com.dumaisoft.wxbremoteservice.IWxbService.Stub;

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

public class WxbService extends Service {

 private ServiceImpl serviceImpl;

 //继承由IWxbService.aidl生成的com.dumaisoft.wxbremoteservice.IWxbService.Stub类
 class ServiceImpl extends Stub{
  private String _name;
  @Override
  public void setName(String name) throws RemoteException {
   _name = name;
  }

  @Override
  public String getName() throws RemoteException {
   return _name;
  }
 }

 //将ServiceImpl做一个简单的单例模式
 private ServiceImpl getInstance(){
  if(serviceImpl == null){
   serviceImpl = new ServiceImpl();
  }
  return serviceImpl;
 }

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

package com.dumaisoft.wxbremoteserviceclient;

import com.dumaisoft.wxbremoteservice.IWxbService;

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

public class MainActivity extends Activity {
 private Button btnBind;
 private Button btnSetName;
 private Button btnGetName;
 private IWxbService serviceProxy; //远程服务的代理
 private ServiceConnection cOnn= new ServiceConnection() {

  @Override
  public void onServiceDisconnected(ComponentName name) {  
  }

  @Override
  public void onServiceConnected(ComponentName name, IBinder service) {
   //获取远程服务代理
   serviceProxy = IWxbService.Stub.asInterface(service);
  }
 };

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  btnBind = (Button) this.findViewById(R.id.btnBind);
  btnSetName = (Button) this.findViewById(R.id.btnSetName);
  btnGetName = (Button) this.findViewById(R.id.btnGetName);
  btnBind.setOnClickListener(new OnClickListener() {
   @Override
   public void onClick(View v) {
    Intent service = new Intent();
    //Remote Service Action name
    service.setAction("com.dumaisoft.wxbremoteservice.REMOTE_SREVICE");
    bindService(service, conn, Service.BIND_AUTO_CREATE);
   }
  });
  btnSetName.setOnClickListener(new OnClickListener() {
   @Override
   public void onClick(View v) {
    try {
     serviceProxy.setName("MyName");
    } catch (RemoteException e) {
     e.printStackTrace();
    }
   }
  });
  btnGetName.setOnClickListener(new OnClickListener() {
   @Override
   public void onClick(View v) {
    try {
     String name = serviceProxy.getName();
     Toast.makeText(getApplicationContext(), name, Toast.LENGTH_LONG).show();
    } catch (RemoteException e) {
     e.printStackTrace();
    }
   }
  });  
 }
}