Android(安卓)SpannableStringBuilder改变某部分字体

/** * 改变TextView部分字体的颜色 * * @param originalValue 整个字符串 * @param indexValue 需要改变的字 * @param color 改变的颜色 * @return */public static SpannableStringBuilder setTextViewColor(String originalValue, String indexValue, int color) {    SpannableStringBuilder builder = new SpannableStringBuilder(originalValue);    if (TextUtils.isEmpty(originalValue)) {        return builder;    }    for (int j = 0; j < originalValue.length(); j++) {        if (j + indexValue.length() <= originalValue.length()) {            String name = (String) originalValue.subSequence(j, j + indexValue.length());            if (name.equals(indexValue)) {                ForegroundColorSpan redSpan = new ForegroundColorSpan(color);                builder.setSpan(redSpan, j, j + indexValue.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);            }        }    }    return builder;}

/** * 改变TextView部分字体的颜色和大小 * * @param originalValue 整个字符串 * @param indexValue 需要改的部分 * @param color 需要改变的颜色 * @param size 需要改变的字体大小 * @param mIsBold 需要改变的字体是否加粗 * @return */public static SpannableStringBuilder setTextViewColorAndSize(String originalValue, String indexValue, int color, int size, boolean mIsBold) {    SpannableStringBuilder builder = new SpannableStringBuilder(originalValue);    if (TextUtils.isEmpty(originalValue)) {        return builder;    }    for (int j = 0; j < originalValue.length(); j++) {        if (j + indexValue.length() <= originalValue.length()) {            String name = (String) originalValue.subSequence(j, j + indexValue.length());            if (name.equals(indexValue)) {                ForegroundColorSpan redSpan = new ForegroundColorSpan(color);                builder.setSpan(new AbsoluteSizeSpan(size), j, j + indexValue.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);                int typeface;                if (!mIsBold) {                    typeface = Typeface.NORMAL;                } else {                    typeface = Typeface.BOLD;                }                builder.setSpan(new StyleSpan(typeface), j, j + indexValue.length(), Spannable.SPAN_INCLUSIVE_INCLUSIVE);                builder.setSpan(redSpan, j, j + indexValue.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);            }        }    }    return builder;}

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