Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.util.HashMap;

import java.util.Map;

import android.text.TextUtils;

public class Main {
    private static final Map<String, String> UNICODE_TO_CHEAT_SHEET = new HashMap<String, String>();

    /**
     * Replaces instances of Emoji unicode characters with their Emoji-Cheat sheet key
     *
     * @param s
     * @return
     */
    public static String replaceUnicodeEmojis(String s) {
        if (TextUtils.isEmpty(s)) {
            return "";
        }
        for (int i = 0; i < s.length(); i++) {
            String key = s.substring(i, i + 1);
            if ((Character.isLowSurrogate(key.charAt(0)) || Character.isHighSurrogate(key.charAt(0)))
                    && s.length() > i + 1) {
                key = s.substring(i, i + 2);
            }
            String emoji = UNICODE_TO_CHEAT_SHEET.get(key);
            if (null != emoji) {
                s = s.replace(key, emoji);
            }
        }
        return s;
    }
}