package com.examples.helloandroid;

import com.examples.helloandroid.R;
import android.app.Activity;
import android.os.ServiceManager;
import android.os.Bundle;
import android.os.IHelloService;
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;
 
public class HelloAndroid extends Activity implements OnClickListener {
    private final static String LOG_TAG = "shy.luo.renju.Hello";
     
    private IHelloService helloService = null;
 
    private EditText valueText = null;
    private Button readButton = null;
    private Button writeButton = null;
    private Button clearButton = null;
     
 /** Called when the activity is first created. */
 @Override
 public void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.main);
 System.out.println("Hello Started");
    helloService = IHelloService.Stub.asInterface(
        ServiceManager.getService("hello"));
  
 valueText = (EditText)findViewById(R.id.edit_value);
 readButton = (Button)findViewById(R.id.button_read);
 writeButton = (Button)findViewById(R.id.button_write);
 clearButton = (Button)findViewById(R.id.button_clear);
 
    readButton.setOnClickListener(this);
    writeButton.setOnClickListener(this);
    clearButton.setOnClickListener(this);
  
 Log.i(LOG_TAG, "Hello Activity Created");
 }
  
 @Override
 public void onClick(View v) {
    if(v.equals(readButton)) {
        try {
            int val = helloService.getVal();
            String text = String.valueOf(val);
            valueText.setText(text);
        } catch (RemoteException e) {
            Log.e(LOG_TAG, "Remote Exception while reading value from device.");
        }       
    }
    else if(v.equals(writeButton)) {
        try {
            String text = valueText.getText().toString();
            int val = Integer.parseInt(text);
            helloService.setVal(val);
        } catch (RemoteException e) {
            Log.e(LOG_TAG, "Remote Exception while writing value to device.");
        }
    }
    else if(v.equals(clearButton)) {
        String text = "";
        valueText.setText(text);
    }
 }
}