public class TextRichUtil {

public interface RichClickLisentner {

void onClick();

}

/**

* 获取高亮字符串

* @param content 内容

* @param target 高亮的部分

* @param color 高亮的颜色

*/

public static SpannableStringBuilder getRichText(String content, String target, int color){

SpannableStringBuilder stringBuilder = new SpannableStringBuilder(content);

Matcher matcher = Pattern.compile(target).matcher(content);

while (matcher.find()){

int start = matcher.start();

int end = matcher.end();

stringBuilder.setSpan(new ForegroundColorSpan(color), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

}

return stringBuilder;

}

/**

* 设置高亮字符串

* @param textView 控件

* @param content 内容

* @param target 高亮的部分

* @param color 高亮的颜色

* @param lisenter 高亮部分点击事件

*/

public static void setRichText(TextView textView, String content, String target, int color, RichClickLisentner lisenter){

SpannableStringBuilder stringBuilder = new SpannableStringBuilder(content);

Matcher matcher = Pattern.compile(target).matcher(content);

while (matcher.find()){

int start = matcher.start();

int end = matcher.end();

stringBuilder.setSpan(new ClickableSpan() {

@Override

public void onClick(@NonNull View view) {

lisenter.onClick();

}

@Override

public void updateDrawState(@NonNull TextPaint ds) {

super.updateDrawState(ds);

ds.setUnderlineText(false);

ds.setColor(color);

}

}, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

}

textView.setText(stringBuilder);

textView.setMovementMethod(LinkMovementMethod.getInstance());

}

}