docs: private void initViewListeners() {
  		this.mNextButton.setOnClickListener(new OnClickListener() {
  			@Override
  			public void onClick(final View v) {
  				if (ItemizedOverlayControlView.this.mLis != null)
  					ItemizedOverlayControlView.this.mLis.onNext();
  			}
  		});
  
  		this.mPreviousButton.setOnClickListener(new OnClickListener() {
  			@Override
  			public void onClick(final View v) {
  				if (ItemizedOverlayControlView.this.mLis != null)
  					ItemizedOverlayControlView.this.mLis.onPrevious();
  			}
  		});
  
  		this.mCenterToButton.setOnClickListener(new OnClickListener() {
  			@Override
  			public void onClick(final View v) {
  				if (ItemizedOverlayControlView.this.mLis != null)
  					ItemizedOverlayControlView.this.mLis.onCenter();
  			}
  		});
  
  		this.mNavToButton.setOnClickListener(new OnClickListener() {
  			@Override
  			public void onClick(final View v) {
  				if (ItemizedOverlayControlView.this.mLis != null)
  					ItemizedOverlayControlView.this.mLis.onNavTo();
  			}
  		});
  	}