MainActivity.java

package com.example.aidlclient;
 
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.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
 
import com.example.aidlserver.IRemote;
 
public class MainActivity extends Activity implements OnClickListener  {
 
    EditText mFirst,mSecond;
    Button mAdd,mSubtract,mClear;
    TextView mResultText;
    protected IRemote mService;
    ServiceConnection mServiceConnection;
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        mFirst = (EditText) findViewById(R.id.firstValue);
        mSecond = (EditText) findViewById(R.id.secondValue);
            mResultText = (TextView) findViewById(R.id.resultText);
        mAdd = (Button) findViewById(R.id.add);
        mAdd.setOnClickListener(this);
 
        initConnection();
 
    }
    void initConnection(){
        mServiceConnection = new ServiceConnection() {
 
                @Override
                public void onServiceDisconnected(ComponentName name) {
                    // TODO Auto-generated method stub
                    mService = null;
                    Toast.makeText(getApplicationContext(), "no", Toast.LENGTH_SHORT).show();
                    Log.d("IRemote", "Binding - Service disconnected");
                }
 
                @Override
                public void onServiceConnected(ComponentName name, IBinder service)
                {
                    // TODO Auto-generated method stub
                    mService = IRemote.Stub.asInterface((IBinder) service);
                    Toast.makeText(getApplicationContext(), "yes", Toast.LENGTH_SHORT).show();
                    Log.d("IRemote", "Binding is done - Service connected");
                }
            };
            if(mService == null)
            {
                Intent it = new Intent();
                it.setAction("com.remote.service.CALCULATOR");
                //binding to remote service
                bindService(it, mServiceConnection, Service.BIND_AUTO_CREATE);
            }
    }
    protected void onDestroy() {
 
        super.onDestroy();
        unbindService(mServiceConnection);
    };
 
    @Override
    public void onClick(View v) {
        // TODO Auto-generated method stub
        switch(v.getId()){
        case R.id.add:{
            int a = Integer.parseInt(mFirst.getText().toString());
            int b = Integer.parseInt(mSecond.getText().toString());
 
            try{
                mResultText.setText("Result -> Add ->"+mService.add(a,b));
                Log.d("IRemote", "Binding - Add operation");
            } catch (RemoteException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        break;
      }
    }
}