replace Image Span - Android Graphics

Android examples for Graphics:Spannable

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Description

replace Image Span

Demo Code

/*******************************************************************************
 * Copyright (c) 2015 btows.com./*from  w  w w . j  a v  a  2 s. c  o  m*/
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
//package com.java2s;

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

import android.graphics.drawable.Drawable;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.style.ImageSpan;

public class Main {

    public static SpannableString replaceImageSpan(
            CharSequence charSequence, String regPattern, Drawable drawable) {
        SpannableString ss = charSequence instanceof SpannableString ? (SpannableString) charSequence
                : new SpannableString(charSequence);
        try {
            ImageSpan is = new ImageSpan(drawable);
            Pattern pattern = Pattern.compile(regPattern);
            Matcher matcher = pattern.matcher(ss);
            while (matcher.find()) {
                String key = matcher.group();
                ss.setSpan(is, matcher.start(),
                        matcher.start() + key.length(),
                        Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        }

        return ss;
    }
}

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