Missing component in Layout ( tv_playername & iv_playericon)

[KiranChimple]

package com.mediamonks.googleflip.ui;

import android.content.Context;
import android.util.AttributeSet;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.mediamonks.googleflip.R;

import butterknife.Bind;
import butterknife.ButterKnife;

/**
*
*/
public class PlayerItem extends LinearLayout {
private static final String TAG = PlayerItem.class.getSimpleName();

@Bind(R.id.tv_playername)                       // ERROR 1 : the tv_playername is not exist in layout
protected TextView _playerText;
@Bind(R.id.iv_playericon)                           // ERROR 2 : the iv_playericon is not exist in layout
protected ImageView _playerIcon;

private String _playerName;
private int _color;
private Context _context;