Counter Class

package com.example.will.counterapp;

import android.app.Activity;
import android.content.Context;
import android.graphics.Color;
import android.support.v4.app.Fragment;
import android.support.v7.app.AppCompatActivity;
import android.util.TypedValue;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.TextView;

public class Counter implements View.OnClickListener {

    private final int buttonPixels = 100;
    private final int buttonTextSizePixels = buttonPixels / 10;
    private final int addButtonId = View.generateViewId();
    private final int subButtonId = View.generateViewId();
    private int buttonTextSize = 0;
    private int buttonWidth = 0;


    private Button add;
    private Button sub;
    private TextView disp;


    private final int countTextSizePixels = 20;
    private final int countTextId = View.generateViewId();
    private int countTextSize = 0;


    private final int layoutPixels = 100;
    private final int layoutId = View.generateViewId();
    private int layoutHeight = 0;

    private ViewGroup mainContainer = null;
    private Activity activity = null;
    private Context context = null;
    private LinearLayout container = null;
    private Button addButton = null;
    private TextView countDisp = null;
    private Button subButton = null;

    private Integer count = 0;
    private Integer index;

//    private String name = "";


    //----------------------------------------CONSTRUCTORS------------------------------------------


    public Counter(Context context, Integer index, ViewGroup mainContainer) {
        this.index = index;
        this.context = context;
        this.mainContainer = mainContainer;
        this.container = new LinearLayout(this.context);
        this.buttonWidth = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, buttonPixels, this.context.getResources().getDisplayMetrics());
        this.countTextSize = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, countTextSizePixels, this.context.getResources().getDisplayMetrics());
        this.buttonTextSize = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, buttonTextSizePixels, this.context.getResources().getDisplayMetrics());
        this.layoutHeight = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, layoutPixels, this.context.getResources().getDisplayMetrics());
    }


    public void createCounter() {
        createLinearLayout();
        createSubButton();
        createTextView();
        createAddButton();
    }

//    addCounterButton.setOnClickListener(new View.OnClickListener() {
//        @Override
//        public void onClick(View v) {
//            counterArr.add(new Counter(MainActivity.this, index[0]));
//            counterArr.get(index[0]).createCounter();
//            linLayContainer.addView(counterArr.get(index[0]).getContainer());
//            index[0]++;
//        }
//
//    });


    private void createLinearLayout() {
        String colorString;

        container.setLayoutParams(new LinearLayout.LayoutParams(
                LinearLayout.LayoutParams.MATCH_PARENT,
                LinearLayout.LayoutParams.MATCH_PARENT));
        container.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, this.layoutHeight));
        container.setOrientation(LinearLayout.HORIZONTAL);

        colorString = (this.index % 2 == 1) ? "#5279b7" : "#2a5fb2";
        container.setBackgroundColor(Color.parseColor(colorString));
    }

    private void createSubButton() {

        subButton = new Button(context);
        subButton.setLayoutParams(new LinearLayout.LayoutParams(buttonWidth, LinearLayout.LayoutParams.MATCH_PARENT, 0.5f));
        subButton.setText("-");
        subButton.setTextSize(buttonTextSize);
        subButton.setId(subButtonId);
        subButton.setGravity(Gravity.CENTER | Gravity.CENTER_HORIZONTAL);
        container.addView(subButton);

        sub = mainContainer.findViewById(subButtonId);
        sub.setOnClickListener(new MyOnClickListener() {
            @Override
            public void onClick(View v) {
                subCount();
                disp.setText(count.toString());
            }
        });
    }

    private void createTextView() {
        countDisp = new TextView(context);
        countDisp.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.MATCH_PARENT, 2.0f));
        countDisp.setText(this.count.toString());
        countDisp.setTextSize(this.countTextSize);
        countDisp.setGravity(Gravity.CENTER | Gravity.CENTER_HORIZONTAL);
        countDisp.setTextColor(Color.BLACK);
        countDisp.setId(countTextId);

        container.addView(countDisp);

        disp = mainContainer.findViewById(countTextId);
    }

    private void createAddButton() {
        addButton = new Button(context);
        addButton.setLayoutParams(new LinearLayout.LayoutParams(buttonWidth, LinearLayout.LayoutParams.MATCH_PARENT, 0.5f));
        addButton.setText("+");
        addButton.setTextSize(buttonTextSize);
        addButton.setId(addButtonId);
        addButton.setGravity(Gravity.CENTER | Gravity.CENTER_HORIZONTAL);

        container.addView(addButton);

        add = mainContainer.findViewById(addButtonId);
        sub.setOnClickListener(this);
    }

//-------------------------------------------SETTERS--------------------------------------------

    public void addCount() {
        this.count++;
    }

    public void subCount() {
        this.count--;
    }

    public void resetCount() {
        this.count = 0;
    }

    public void deleteCounter() {

    }

    //    public void setName(String name) {
    //        this.name = name;
    //    }

    //-------------------------------------------GETTERS--------------------------------------------


    public String getCount() {
        return this.count.toString();
    }

    public int getIndex() {
        return this.index;
    }

    public LinearLayout getContainer() {
        return this.container;
    }

    @Override
    public void onClick(View v) {
        if (v.getId() == addButtonId) {
            addCount();
            disp.setText(count.toString());
        } else if (v.getId() == subButtonId) {
            subCount();
            disp.setText(count.toString());
        }
    }


    //    public String getName() {
//        return this.name;
//    }

}


class MyOnClickListener implements View.OnClickListener {


    public MyOnClickListener() {

    }

    @Override
    public void onClick(View v) {

    }
}