/// <summary>
/// inits the views
/// </summary>
private void InitViews()
{
picker = FindViewById <ColorPicker>(Resource.Id.picker);
svBar = FindViewById <SVBar>(Resource.Id.svbar);
opacityBar = FindViewById <OpacityBar>(Resource.Id.opacitybar);
btnApply = FindViewById <Button>(Resource.Id.btnApply);
picker.AddSVBar(svBar);
picker.AddOpacityBar(opacityBar);
btnApply.SetOnClickListener(this);
}