//This file is IStockQuoteService.aidl
package com.androidbook.stockquoteservice;
interface IStockQuoteService
{double getQuote(String ticker);
}

/** This file is auto-generated.  DO NOT MODIFY.* Original file: F:\\workspace\\StockQuoteService\\src\\com\\androidbook\\stockquoteservice\\IStockQuoteService.aidl*/
package com.androidbook.stockquoteservice;
public interface IStockQuoteService extends android.os.IInterface
{
/** Local-side IPC implementation stub class. */
public static abstract class Stub extends android.os.Binder implements com.androidbook.stockquoteservice.IStockQuoteService
{
private static final java.lang.String DESCRIPTOR = "com.androidbook.stockquoteservice.IStockQuoteService";
/** Construct the stub at attach it to the interface. */
public Stub()
{
this.attachInterface(this, DESCRIPTOR);
}
/*** Cast an IBinder object into an com.androidbook.stockquoteservice.IStockQuoteService interface,* generating a proxy if needed.*/
public static com.androidbook.stockquoteservice.IStockQuoteService asInterface(android.os.IBinder obj)
{
if ((obj==null)) {
return null;
}
android.os.IInterface iin = (android.os.IInterface)obj.queryLocalInterface(DESCRIPTOR);
if (((iin!=null)&&(iin instanceof com.androidbook.stockquoteservice.IStockQuoteService))) {
return ((com.androidbook.stockquoteservice.IStockQuoteService)iin);
}
return new com.androidbook.stockquoteservice.IStockQuoteService.Stub.Proxy(obj);
}
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_getQuote:
{
data.enforceInterface(DESCRIPTOR);
java.lang.String _arg0;
_arg0 = data.readString();
double _result = this.getQuote(_arg0);
reply.writeNoException();
reply.writeDouble(_result);
return true;
}
}
return super.onTransact(code, data, reply, flags);
}
private static class Proxy implements com.androidbook.stockquoteservice.IStockQuoteService
{
private android.os.IBinder mRemote;
Proxy(android.os.IBinder remote)
{
mRemote = remote;
}
public android.os.IBinder asBinder()
{
return mRemote;
}
public java.lang.String getInterfaceDescriptor()
{
return DESCRIPTOR;
}
public double getQuote(java.lang.String ticker) throws android.os.RemoteException
{
android.os.Parcel _data = android.os.Parcel.obtain();
android.os.Parcel _reply = android.os.Parcel.obtain();
double _result;
try {
_data.writeInterfaceToken(DESCRIPTOR);
_data.writeString(ticker);
mRemote.transact(Stub.TRANSACTION_getQuote, _data, _reply, 0);
_reply.readException();
_result = _reply.readDouble();
}
finally {
_reply.recycle();
_data.recycle();
}
return _result;
}
}
static final int TRANSACTION_getQuote = (android.os.IBinder.FIRST_CALL_TRANSACTION + 0);
}
public double getQuote(java.lang.String ticker) throws android.os.RemoteException;
}

package com.androidbook.stockquoteservice;import android.app.Service;
import android.content.Intent;
import android.os.IBinder;
import android.os.RemoteException;
import android.util.Log;public class StockQuoteService extends Service {private static final String TAG = "StockQuoteService";public class StockQuoteServiceImpl extends IStockQuoteService.Stub {@Overridepublic double getQuote(String ticker) throws RemoteException {Log.v(TAG, "getQuote() called for " + ticker);return 20.0;}}@Overridepublic void onCreate() {super.onCreate();Log.v(TAG, "onCreate called");}@Overridepublic void onDestroy() {super.onDestroy();Log.v(TAG, "onDestory() called");}@Overridepublic void onStart(Intent intent, int startId) {super.onStart(intent, startId);Log.v(TAG, "onStart() called");}@Overridepublic IBinder onBind(Intent intent) {Log.v(TAG, "onBind() called");return new StockQuoteServiceImpl();}}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:orientation="vertical"android:layout_width="fill_parent"android:layout_height="fill_parent">
<Buttonandroid:id="@+id/bindBtn"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="Bind"/><Buttonandroid:id="@+id/callBtn"android:layout_height="wrap_content"android:layout_width="wrap_content"android:text="Call Again"/><Buttonandroid:id="@+id/unbindBtn"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="UnBind"/>
</LinearLayout>

package com.androidbook.stockquoteclient;import com.androidbook.stockquoteservice.IStockQuoteService;
import android.app.Activity;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.os.RemoteException;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;public class MainActivity extends Activity {protected static final String TAG = "StockQuoteClient";private IStockQuoteService stockService = null;private Button bindBtn;private Button callBtn;private Button unbindBtn;@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);bindBtn = (Button) findViewById(R.id.bindBtn);bindBtn.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {bindService(new Intent(IStockQuoteService.class.getName()),serConn, Context.BIND_AUTO_CREATE);bindBtn.setEnabled(false);callBtn.setEnabled(true);unbindBtn.setEnabled(true);}});callBtn = (Button) findViewById(R.id.callBtn);callBtn.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {callService();}});callBtn.setEnabled(false);unbindBtn = (Button) findViewById(R.id.unbindBtn);unbindBtn.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {unbindService(serConn);bindBtn.setEnabled(true);callBtn.setEnabled(false);unbindBtn.setEnabled(false);}});}private void callService() {try {double val = stockService.getQuote("SYH");Toast.makeText(this, "Value from service is " + val,Toast.LENGTH_LONG).show();} catch (RemoteException e) {Log.e("MainActivity", e.getMessage(), e);}}private ServiceConnection serConn = new ServiceConnection() {// 此方法在系统建立服务连接时调用@Overridepublic void onServiceConnected(ComponentName name, IBinder service) {Log.v(TAG, "onServiceConnected() called");stockService = IStockQuoteService.Stub.asInterface(service);callService();}// 此方法在销毁服务连接时调用@Overridepublic void onServiceDisconnected(ComponentName name) {Log.v(TAG, "onServiceDisconnected()");stockService = null;}};
}