public class MainActivity extends Activity {

	

	   
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);       
      
    }
    
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
		// TODO Auto-generated method stub
 		try {
			Log.e("SYSTEM_LOG", "Key Down = " + keyCode); 
			
		} catch (Exception e) {
			// TODO: handle exception
			Log.e("SYSTEM_LOG", "Error press Keyboard "+e);
		}
		
		return super.onKeyDown(keyCode, event);
	}
    
    @Override
	public boolean onKeyUp(int keyCode, KeyEvent event) {
		// TODO Auto-generated method stub
		try {
			Log.e("SYSTEM_LOG", "Key UP = " + keyCode); 
			
		} catch (Exception e) {
			// TODO: handle exception
			Log.e("SYSTEM_LOG", "Error press Keyboard "+e);
		}
		
		return super.onKeyUp(keyCode, event);
	}  

	
}