SpnnableString关键字高亮

package net.loonggg.test;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

import android.text.SpannableString;
import android.text.Spanned;
import android.text.style.ForegroundColorSpan;

public class Util {

    /**
     * 单个
     * @param color            高亮颜色色值
     * @param text              文本
     * @param keyword      文本中的关键字
     * @return
     */
    public static SpannableString highLightKeyWord(int color, String text,String keyWord) {
        SpannableString s = new SpannableString(text);
        Pattern p = Pattern.compile(keyWord);
        Matcher m = p.matcher(s);
        while (m.find()) {
            int start = m.start();
            int end = m.end();
            s.setSpan(new ForegroundColorSpan(color), start, end,Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
        }
        return s;
    }

    /**
     * 多个
     * @param color            高亮颜色色值
     * @param text              文本
     * @param keyword      文本中的关键字数组
     * @return
     */
    public static SpannableString highLightKeyWords(int color, String text,  String[] keyWords) {
        SpannableString s = new SpannableString(text);
        for (int i = 0; i < keyWords.length; i++) {
            Pattern p = Pattern.compile(keyWords[i]);
            Matcher m = p.matcher(s);
            while (m.find()) {
                int start = m.start();
                int end = m.end();
                s.setSpan(new ForegroundColorSpan(color), start, end,  Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
            }
        }
        return s;
    }
}