public class PersonService extends Service { 
 
  private static String names = "alice & iland"; 
  public PersonBinder mPersonBinder; 
  @Override 
  public void onCreate() { 
    super.onCreate(); 
    mPersonBinder = new PersonBinder(); 
  } 
 
  @Override 
  public IBinder onBind(Intent intent) { 
    return mPersonBinder; 
  } 
  public class PersonBinder extends IPersonManager.Stub{ 
 
    @Override 
    public String getAllName() throws RemoteException { 
      return names; 
    } 
  } 
 
} 

public class MainActivity extends AppCompatActivity implements View.OnClickListener{ 
  private static final String TAG = "MainActivity"; 
  private Button btnGet; 
  private EditText etShow; 
  public IPersonManager mIPersonManager; 
  ServiceConnection sc = new ServiceConnection() { 
    @Override 
    public void onServiceConnected(ComponentName name, IBinder service) { 
      Log.i(TAG, "onServiceConnected: "); 
      mIPersonManager = IPersonManager.Stub.asInterface(service); 
    } 
 
    @Override 
    public void onServiceDisconnected(ComponentName name) { 
      Log.i(TAG, "onServiceDisconnected: "); 
      mIPersonManager = null; 
    } 
  }; 
  @Override 
  protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_main); 
    btnGet = (Button) findViewById(R.id.btn_getname); 
    etShow = (EditText) findViewById(R.id.et_allnamef); 
    btnGet.setOnClickListener(this); 
 
    Intent intent = new Intent("com.ly.testaidlserver.aidl.AIDL_SERVICE"); 
    intent.setPackage("com.ly.testaidlserver"); 
    bindService(intent,sc, Service.BIND_AUTO_CREATE); 
  } 
 
  @Override 
  public void onClick(View v) { 
    switch (v.getId()){ 
      case R.id.btn_getname: 
        String names = null; 
        try { 
          if (mIPersonManager!=null) 
            names = mIPersonManager.getAllName(); 
        } catch (RemoteException e) { 
          e.printStackTrace(); 
        } 
        etShow.setText(names); 
        break; 
      default: 
        break; 
    } 
  }@Override 
  protected void onDestroy() { 
    super.onDestroy(); 
    unbindService(sc); 
  } 
 
} 

Intent intent = new Intent("com.ly.testaidlserver.aidl.AIDL_SERVICE"); 
intent.setPackage("com.ly.testaidlserver");
bindService(intent,sc, Service.BIND_AUTO_CREATE); 

  sourceSets{
    main {
      aidl.srcDirs = ['src/main/aidl','src/main/java']
    }
  }

public class Person implements Parcelable { 
  String name; 
  int age; 
 
  public Person(String name, int age) { 
    this.name = name; 
    this.age = age; 
  } 
 
  public static final Creator<Person> CREATOR = new Creator<Person>() { 
    @Override 
    public Person createFromParcel(Parcel in) { 
      return new Person(in.readString(), in.readInt()); 
    } 
 
    @Override 
    public Person[] newArray(int size) { 
      return new Person[size]; 
    } 
  }; 
 
  @Override 
  public int describeContents() { 
    return 0; 
  } 
 
  @Override 
  public void writeToParcel(Parcel dest, int flags) { 
    dest.writeString(name); 
    dest.writeInt(age); 
  } 
 
  public String getName() { 
    return name; 
  } 
 
  public void setName(String name) { 
    this.name = name; 
  } 
 
  public int getAge() { 
    return age; 
  } 
 
  public void setAge(int age) { 
    this.age = age; 
  } 
} 

interface IPersonManager { 
  String getAllName(); 
  List<Person> getPersonList(); 
} 

public class PersonService extends Service { 
 
  private List<Person> persons = new ArrayList<Person>(); 
  public PersonBinder mPersonBinder; 
  @Override 
  public void onCreate() { 
    super.onCreate(); 
    mPersonBinder = new PersonBinder(); 
    Person p1 = new Person("alice",23); 
    persons.add(p1); 
    Person p2 = new Person("iland",18); 
    persons.add(p2); 
  } 
 
  @Override 
  public IBinder onBind(Intent intent) { 
    return mPersonBinder; 
  } 
  public class PersonBinder extends IPersonManager.Stub{ 
 
    @Override 
    public String getAllName() throws RemoteException { 
      return ""; 
    } 
 
    @Override 
    public List<Person> getPersonList() throws RemoteException { 
      return persons; 
    } 
  } 
} 

public class MainActivity extends AppCompatActivity implements View.OnClickListener{ 
  private static final String TAG = "MainActivity"; 
  private Button btnGet; 
  private EditText etShow; 
  public IPersonManager mIPersonManager; 
  ServiceConnection sc = new ServiceConnection() { 
    @Override 
    public void onServiceConnected(ComponentName name, IBinder service) { 
      Log.i(TAG, "onServiceConnected: "); 
      mIPersonManager = IPersonManager.Stub.asInterface(service); 
    } 
 
    @Override 
    public void onServiceDisconnected(ComponentName name) { 
      Log.i(TAG, "onServiceDisconnected: "); 
      mIPersonManager = null; 
    } 
  }; 
  @Override 
  protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_main); 
    btnGet = (Button) findViewById(R.id.btn_getname); 
    etShow = (EditText) findViewById(R.id.et_allnamef); 
    btnGet.setOnClickListener(this); 
 
    Intent intent = new Intent("com.ly.testaidlserver.aidl.AIDL_SERVICE"); 
    intent.setPackage("com.ly.testaidlserver"); 
    bindService(intent,sc, Service.BIND_AUTO_CREATE); 
  } 
 
  @Override 
  public void onClick(View v) { 
    switch (v.getId()){ 
      case R.id.btn_getname: 
        ArrayList<Person> persons = null; 
        try { 
          if (mIPersonManager!=null) 
            persons = (ArrayList<Person>) mIPersonManager.getPersonList(); 
        } catch (RemoteException e) { 
          e.printStackTrace(); 
        } 
        String result = ""; 
        for (Person person : persons){ 
          result = result+person.getName()+"__"+person.getAge(); 
        } 
        etShow.setText(result); 
        break; 
      default: 
        break; 
    } 
  }@Override 
  protected void onDestroy() { 
    super.onDestroy(); 
    unbindService(sc); 
  } 
 
}