public class CupcakeListener implements OnClickListener{

public CupcakeListener(){
// icons
findViewById(R.id.Home).setOnClickListener(this);
findViewById(R.id.Album).setOnClickListener(this);
findViewById(R.id.Artist).setOnClickListener(this);
findViewById(R.id.Playlist).setOnClickListener(this);

// buttons
findViewById(R.id.SliderLyrics).setOnClickListener(this);
findViewById(R.id.SliderAddToPlaylist).setOnClickListener(this);
findViewById(R.id.SliderShare).setOnClickListener(this);
findViewById(R.id.SliderDownload).setOnClickListener(this);

// license
if(mLicenseImageView != null){
mLicenseImageView.setOnClickListener(this);
}
}

@Override
public void onClick(View v) {

switch(v.getId()){
// icons
case R.id.Home:
homeClickHandler(v);
break;
case R.id.Album:
albumClickHandler(v);
break;
case R.id.Artist:
artistClickHandler(v);
break;
case R.id.Playlist:
playlistClickHandler(v);
break;
 // buttons
case R.id.Lyrics:
lyricsOnClick(v);
break;
case R.id.SliderAddToPlaylist:
addOnClick(v);
break;
case R.id.SliderShare:
shareOnClick(v);
break;
case R.id.Download:
downloadOnClick(v);
break;

// license
case R.id.LicenseImageView:
licenseClickHandler(v);
break;
}

}

}