package com.example.colorpicker;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.SeekBar;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity
{
    TextView tvColor, tvRed, tvGreen, tvBlue, tvHex;
    SeekBar sbRed, sbGreen, sbBlue;

    //Variables
    private int r;
    private int g;
    private int b;
    private String colores;
    private int[] array255 = rangoRgb();

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        //Asociamos los id
        tvColor = findViewById(R.id.idtvColor);
        tvRed = findViewById(R.id.idTvRed);
        tvGreen = findViewById(R.id.idTvGreen);
        tvBlue = findViewById(R.id.idTvBlue);
        tvHex = findViewById(R.id.idValorHEX);

        sbRed = findViewById(R.id.idSbRed);
        sbGreen = findViewById(R.id.idSbGreen);
        sbBlue = findViewById(R.id.idSbBlue);




        //SeekBar RED
        sbRed.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener()
        {
            @Override
            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser)
            {
                r = progress;
                tvRed.setText(String.valueOf(r)); //Muestra progreso del color RED

            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar)
            {

            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar)
            {

            }
        });

        sbGreen.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener()
        {
            @Override
            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser)
            {
                g = progress;
                tvGreen.setText(String.valueOf(g)); //Muestra progreso del color GREEN

            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar)
            {

            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar)
            {

            }
        });

        sbBlue.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener()
        {
            @Override
            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser)
            {
                b = progress;
                tvBlue.setText(String.valueOf(b)); //Muestra progreso del color BLUE

            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar)
            {

            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar)
            {

            }
        });

        //colores = coloresHexa(r,g,b); //Con el método coloresHexa hacemos cating de valores enteros a string
        //tvHex.setText(colores); //Mostramos valor en hexadecimal



    }

    //Métodos aparte
    public int[] rangoRgb()
    {
        int[] a = new int[256];
        int n = 0;

        for(int i = 0; i < a.length; i++)
        {
            a[i] = n;
            n++;
        }

        return a;
    }

    public String coloresHexa(int r, int g, int b)
    {
        String str ="";
        str = "#";
        str = Integer.toHexString(r);
        str = Integer.toHexString(g);
        str = Integer.toHexString(b);

        return str;
    }
}