package com.monmonja.firstDemo;

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.IHardwareService;
import android.os.Message;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.widget.TextView;

public class Main extends Activity  { 
	private TextView txtStatus;
	private RefreshHandler mRedrawHandler = new RefreshHandler();
   
	class RefreshHandler extends Handler {
        @Override
        public void handleMessage(Message msg) {
        	Main.this.updateUI();
        }

        public void sleep(long delayMillis) {
        	this.removeMessages(0);
            sendMessageDelayed(obtainMessage(0), delayMillis);
        }
    };
    
    private void updateUI(){
    	int currentInt = Integer.parseInt((String) txtStatus.getText()) + 20;
        if(currentInt <= 250){
        	mRedrawHandler.sleep(1000);
        	setBrightness(currentInt);
        	txtStatus.setText(String.valueOf(currentInt));
        }
    }

	
	@Override 
	public void onCreate(Bundle icicle) { 
	    super.onCreate(icicle); 
	    setContentView(R.layout.main);
	    this.txtStatus = (TextView) this.findViewById(R.id.txtStatus);
	    updateUI();
	}	
	
	private void setBrightness(int brightness) {
        try {
			IHardwareService hardware = IHardwareService.Stub.asInterface(
                         ServiceManager.getService("hardware"));
			if (hardware != null) {
				hardware.setScreenBacklight(brightness);
			}
        } catch (RemoteException doe) {          
		}        
	}
}