Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import android.graphics.Color;

public class Main {
    /**
     * Method returning color between start and end color proportional to given values.
     *
     * @param colorStart start color
     * @param colorEnd   end color
     * @param fullValue  total value
     * @param partValue  part of fullValue. When partValue equals 0, returning color is colorStart,
     *                   when partValue is fullValue returning color is endColor. Otherwise returning
     *                   color is from between those, relative to partValue/fullValue ratio.
     * @return color from between start and end color relative to partValue/fullValue ratio.
     */
    public static int getProportionalColor(int colorStart, int colorEnd, float fullValue, float partValue) {
        float progress = Math.min(Math.max(partValue, 0f), fullValue) / fullValue;
        return Color.argb(Math.round(Color.alpha(colorStart) * (1 - progress) + Color.alpha(colorEnd) * progress),
                Math.round(Color.red(colorStart) * (1 - progress) + Color.red(colorEnd) * progress),
                Math.round(Color.green(colorStart) * (1 - progress) + Color.green(colorEnd) * progress),
                Math.round(Color.blue(colorStart) * (1 - progress) + Color.blue(colorEnd) * progress));
    }
}