package com.scott.aidl;
interface IPerson {String greet(String someone);
}

package com.scott.aidl;public interface IPerson extends android.os.IInterface {/** Local-side IPC implementation stub class. */public static abstract class Stub extends android.os.Binder implements com.scott.aidl.IPerson {private static final java.lang.String DESCRIPTOR = "com.scott.aidl.IPerson";/** Construct the stub at attach it to the interface. */public Stub() {this.attachInterface(this, DESCRIPTOR);}/*** Cast an IBinder object into an com.scott.aidl.IPerson interface,* generating a proxy if needed.*/public static com.scott.aidl.IPerson 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.scott.aidl.IPerson))) {return ((com.scott.aidl.IPerson) iin);}return new com.scott.aidl.IPerson.Stub.Proxy(obj);}public android.os.IBinder asBinder() {return this;}@Overridepublic 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_greet: {data.enforceInterface(DESCRIPTOR);java.lang.String _arg0;_arg0 = data.readString();java.lang.String _result = this.greet(_arg0);reply.writeNoException();reply.writeString(_result);return true;}}return super.onTransact(code, data, reply, flags);}private static class Proxy implements com.scott.aidl.IPerson {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 java.lang.String greet(java.lang.String someone) throws android.os.RemoteException {android.os.Parcel _data = android.os.Parcel.obtain();android.os.Parcel _reply = android.os.Parcel.obtain();java.lang.String _result;try {_data.writeInterfaceToken(DESCRIPTOR);_data.writeString(someone);mRemote.transact(Stub.TRANSACTION_greet, _data, _reply, 0);_reply.readException();_result = _reply.readString();} finally {_reply.recycle();_data.recycle();}return _result;}}static final int TRANSACTION_greet = (android.os.IBinder.FIRST_CALL_TRANSACTION + 0);}public java.lang.String greet(java.lang.String someone) throws android.os.RemoteException;
}

package com.scott.server;import android.app.Service;
import android.content.Intent;
import android.os.IBinder;
import android.os.RemoteException;
import android.util.Log;import com.scott.aidl.IPerson;public class AIDLService extends Service {private static final String TAG = "AIDLService";IPerson.Stub stub = new IPerson.Stub() {@Overridepublic String greet(String someone) throws RemoteException {Log.i(TAG, "greet() called");return "hello, " + someone;}};@Overridepublic IBinder onBind(Intent intent) {Log.i(TAG, "onBind() called");return stub;}@Overridepublic boolean onUnbind(Intent intent) {Log.i(TAG, "onUnbind() called");return true;}@Overridepublic void onDestroy() {super.onDestroy();Log.i(TAG, "onDestroy() called");}
}

<service android:name=".AIDLService"><intent-filter><action android:name="android.intent.action.AIDLService" /><category android:name="android.intent.category.DEFAULT" /></intent-filter>
</service>

package com.scott.client;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.widget.Button;
import android.widget.Toast;import com.scott.aidl.IPerson;public class MainActivity extends Activity {private Button bindBtn;private Button greetBtn;private Button unbindBtn;private IPerson person;private ServiceConnection conn = new ServiceConnection() {@Overridepublic void onServiceConnected(ComponentName name, IBinder service) {Log.i("ServiceConnection", "onServiceConnected() called");person = IPerson.Stub.asInterface(service);}@Overridepublic void onServiceDisconnected(ComponentName name) {//This is called when the connection with the service has been unexpectedly disconnected,//that is, its process crashed. Because it is running in our same process, we should never see this happen.Log.i("ServiceConnection", "onServiceDisconnected() called");}};@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);bindBtn = (Button) findViewById(R.id.bindBtn);bindBtn.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {Intent intent = new Intent("android.intent.action.AIDLService");bindService(intent, conn, Context.BIND_AUTO_CREATE);bindBtn.setEnabled(false);greetBtn.setEnabled(true);unbindBtn.setEnabled(true);}});greetBtn = (Button) findViewById(R.id.greetBtn);greetBtn.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {try {String retVal = person.greet("scott");Toast.makeText(MainActivity.this, retVal, Toast.LENGTH_SHORT).show();} catch (RemoteException e) {Toast.makeText(MainActivity.this, "error", Toast.LENGTH_SHORT).show();}}});unbindBtn = (Button) findViewById(R.id.unbindBtn);unbindBtn.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {unbindService(conn);bindBtn.setEnabled(true);greetBtn.setEnabled(false);unbindBtn.setEnabled(false);}});}
}