Example usage for android.text SpannableString charAt

Introduction

In this page you can find the example usage for android.text SpannableString charAt.

Prototype

char charAt(int index);

Source Link

Document

Returns the char value at the specified index.

Usage

From source file:com.atwal.wakeup.battery.util.Utilities.java

public static SpannableString highlightKeywords(int color, String text, String keywords,
        boolean actionFirstMatch) {

    if (text != null && keywords != null && text.trim().length() == keywords.trim().length()) {
        return SpannableString.valueOf(text.trim());
    }//from ww  w  . j  a  v  a2 s .  co m

    SpannableString s = new SpannableString(text);
    Pattern p = Pattern.compile(keywords, Pattern.LITERAL);
    Matcher m = p.matcher(s);
    while (m.find()) {
        int end = m.end();
        try {
            if (s.charAt(end) != ' ') {
                s.setSpan(new UnderlineSpan(), end, s.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
            } else {
                s.setSpan(new UnderlineSpan(), end + 1, s.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }

        if (actionFirstMatch) {
            break;
        }
    }
    return s;
}

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