Effectively Wrangling Views via Groups

bind_views_old_school.java

@BindView(R.id.checkbox) CheckBox mCheckbox;                                                   
@BindView(R.id.container) ViewGroup mContainer;                                                
                                                                                               
@Override                                                                                      
public void onCreate(@Nullable Bundle savedInstanceState) {                                    
    super.onCreate(savedInstanceState);                                                        
    setContentView(R.layout.activity_constraint);                                              
    ButterKnife.bind(this);                                                                    
    mCheckbox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {        
        @Override
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { 
            if (isChecked) {                                                                   
                mContainer.setVisibility(View.VISIBLE);                                        
            } else {                                                                           
                mContainer.setVisibility(View.GONE);                                           
            }                                                                                  
        }                                                                                      
    });                                                                                        
}