Android examples for java.lang:String Emoji
filter Emoji from String
//package com.java2s; import android.text.TextUtils; import android.util.Log; public class Main { public static String filterEmoji(String str) { if (!containsEmoji(str)) { return str; } else {//from ww w.java 2 s . c om Log.e("jj", "??????emoji??"); } StringBuilder buf = null; int len = str.length(); for (int i = 0; i < len; i++) { char codePoint = str.charAt(i); if (!isEmojiCharacter(codePoint)) { if (buf == null) { buf = new StringBuilder(str.length()); } buf.append(codePoint); } else { } } if (buf == null) { return ""; } else { return buf.toString(); } } public static boolean containsEmoji(String str) { if (TextUtils.isEmpty(str)) { return false; } for (int i = 0; i < str.length(); i++) { char codePoint = str.charAt(i); if (isEmojiCharacter(codePoint)) { return true; } } return false; } private static boolean isEmojiCharacter(char codePoint) { return !((codePoint == 0x0) || (codePoint == 0x9) || (codePoint == 0xA) || (codePoint == 0xD) || ((codePoint >= 0x20) && (codePoint <= 0xD7FF)) || ((codePoint >= 0xE000) && (codePoint <= 0xFFFD)) || ((codePoint >= 0x10000) && (codePoint <= 0x10FFFF))); } }