Android Open Source - android-appwidget-cirrus Uv Index Colorizer

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License

The source code is released under:

MIT License

Java Source Code

/* Copyright 2014 Wayne D Grant (www.waynedgrant.com)
   Licensed under the MIT License */
/*from   ww  w  .j  a  va  2  s  .  c o m*/
package com.waynedgrant.cirrus.presentation.colorizers;

import java.math.BigDecimal;
import java.math.RoundingMode;

public class UvIndexColorizer
{
    public static final int WHITE = 0xffffffff;
    public static final int GREEN = 0xff289500;
    public static final int YELLOW = 0xfff7e400;
    public static final int ORANGE = 0xfff85900;
    public static final int RED = 0xffd8001d;
    public static final int PURPLE = 0xff6b49c8;
    
    private BigDecimal uvIndex;
    
    public UvIndexColorizer(BigDecimal uvIndex)
    {
        this.uvIndex = uvIndex;
    }

    public int colorize()
    {
        // 0-2 green, 3-5 yellow, 6-7 orange, 8-10 red, 11+ purple
        
        int colorCode = WHITE;
        
        if (uvIndex != null)
        {
            int uvIndexRounded = uvIndex.setScale(0, RoundingMode.HALF_DOWN).intValue();
            
            if (uvIndexRounded < 3)
            {
                colorCode = GREEN;
            }
            else if (uvIndexRounded > 10)
            {
                colorCode = PURPLE;
            }
            else
            {      
                switch (uvIndexRounded)
                {
                    case 3:
                    case 4:
                    case 5: colorCode = YELLOW; break;
                    
                    case 6:
                    case 7: colorCode = ORANGE; break;
                    
                    case 8:
                    case 9:
                    case 10: colorCode = RED; break;
                }
            }
        }
        
        return colorCode;
    }
}

Java Source Code List

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