久々にandoidアプリを作成したので、利用したテクニックを残しておきます。
テクニックは2014年8月時点のもので、
android:minSdkVersion=”14”
android:targetSdkVersion=”19”
対応のアプリで利用しました。
入力文字列に絵文字が含まれているかのチェック
みんな大好き(エンジニアを除く)絵文字の話題。
EditTextに入力された文字列に絵文字が含まれる場合はtrueを返し、含まれない場合はfalseを返すメソッドを作成しました。
以下ソースコードです。
/**
* 引数の文字列に絵文字が含まれていればtrue, 含まれていなければfalse
* @see https://github.com/delight-im/Emoji
* @param str
* @return
*/
public static boolean isIncludeEmoji(String str) {
if (str == null || str.isEmpty()) {
return false;
}
// extract the single chars that will be operated on
final char[] chars = str.toCharArray();
int codePoint = 0;
for (int i = 0; i < chars.length; i++) {
if (Character.isLowSurrogate(chars[i])) {
if (i > 0 && Character.isSurrogatePair(chars[i-1], chars[i])) {
// get the Unicode code point for the surrogate pair
codePoint = Character.toCodePoint(chars[i-1], chars[i]);
}
} else {
// get the Unicode code point by simply casting the char to int
codePoint = (int) chars[i];
}
Log.d(TAG, "codePoint :" + codePoint);
if (codePoint != 0 && isEmoji(codePoint)) {
return true;
}
}
return false;
}
/**
* Compares the given code point against 722 emoji code points from Unicode 6.3
* <p>
* Reference: EmojiSources.txt by Unicode, Inc. (http://www.unicode.org/Public/UNIDATA/EmojiSources.txt)
*
* @param codePoint the code point to check
* @return whether the code point represents an emoji or not
*/
private static boolean isEmoji(int codePoint) {
return
// Digits and number sign on keys (actually defined in concatenated form)
// codePoint == 0x0023 0x20E3 ||
// codePoint == 0x0030 0x20E3 ||
// codePoint == 0x0031 0x20E3 ||
// codePoint == 0x0032 0x20E3 ||
// codePoint == 0x0033 0x20E3 ||
// codePoint == 0x0034 0x20E3 ||
// codePoint == 0x0035 0x20E3 ||
// codePoint == 0x0036 0x20E3 ||
// codePoint == 0x0037 0x20E3 ||
// codePoint == 0x0038 0x20E3 ||
// codePoint == 0x0039 0x20E3 ||
codePoint == 0x00A9 ||
codePoint == 0x00AE ||
codePoint == 0x2002 ||
codePoint == 0x2003 ||
codePoint == 0x2005 ||
codePoint == 0x203C ||
codePoint == 0x2049 ||
codePoint == 0x2122 ||
codePoint == 0x2139 ||
codePoint == 0x2194 ||
codePoint == 0x2195 ||
codePoint == 0x2196 ||
codePoint == 0x2197 ||
codePoint == 0x2198 ||
codePoint == 0x2199 ||
codePoint == 0x21A9 ||
codePoint == 0x21AA ||
codePoint == 0x231A ||
codePoint == 0x231B ||
codePoint == 0x23E9 ||
codePoint == 0x23EA ||
codePoint == 0x23EB ||
codePoint == 0x23EC ||
codePoint == 0x23F0 ||
codePoint == 0x23F3 ||
codePoint == 0x24C2 ||
codePoint == 0x25AA ||
codePoint == 0x25AB ||
codePoint == 0x25B6 ||
codePoint == 0x25C0 ||
codePoint == 0x25FB ||
codePoint == 0x25FC ||
codePoint == 0x25FD ||
codePoint == 0x25FE ||
codePoint == 0x2600 ||
codePoint == 0x2601 ||
codePoint == 0x260E ||
codePoint == 0x2611 ||
codePoint == 0x2614 ||
codePoint == 0x2615 ||
codePoint == 0x261D ||
codePoint == 0x263A ||
codePoint == 0x2648 ||
codePoint == 0x2649 ||
codePoint == 0x264A ||
codePoint == 0x264B ||
codePoint == 0x264C ||
codePoint == 0x264D ||
codePoint == 0x264E ||
codePoint == 0x264F ||
codePoint == 0x2650 ||
codePoint == 0x2651 ||
codePoint == 0x2652 ||
codePoint == 0x2653 ||
codePoint == 0x2660 ||
codePoint == 0x2663 ||
codePoint == 0x2665 ||
codePoint == 0x2666 ||
codePoint == 0x2668 ||
codePoint == 0x267B ||
codePoint == 0x267F ||
codePoint == 0x2693 ||
codePoint == 0x26A0 ||
codePoint == 0x26A1 ||
codePoint == 0x26AA ||
codePoint == 0x26AB ||
codePoint == 0x26BD ||
codePoint == 0x26BE ||
codePoint == 0x26C4 ||
codePoint == 0x26C5 ||
codePoint == 0x26CE ||
codePoint == 0x26D4 ||
codePoint == 0x26EA ||
codePoint == 0x26F2 ||
codePoint == 0x26F3 ||
codePoint == 0x26F5 ||
codePoint == 0x26FA ||
codePoint == 0x26FD ||
codePoint == 0x2702 ||
codePoint == 0x2705 ||
codePoint == 0x2708 ||
codePoint == 0x2709 ||
codePoint == 0x270A ||
codePoint == 0x270B ||
codePoint == 0x270C ||
codePoint == 0x270F ||
codePoint == 0x2712 ||
codePoint == 0x2714 ||
codePoint == 0x2716 ||
codePoint == 0x2728 ||
codePoint == 0x2733 ||
codePoint == 0x2734 ||
codePoint == 0x2744 ||
codePoint == 0x2747 ||
codePoint == 0x274C ||
codePoint == 0x274E ||
codePoint == 0x2753 ||
codePoint == 0x2754 ||
codePoint == 0x2755 ||
codePoint == 0x2757 ||
codePoint == 0x2764 ||
codePoint == 0x2795 ||
codePoint == 0x2796 ||
codePoint == 0x2797 ||
codePoint == 0x27A1 ||
codePoint == 0x27B0 ||
codePoint == 0x2934 ||
codePoint == 0x2935 ||
codePoint == 0x2B05 ||
codePoint == 0x2B06 ||
codePoint == 0x2B07 ||
codePoint == 0x2B1B ||
codePoint == 0x2B1C ||
codePoint == 0x2B50 ||
codePoint == 0x2B55 ||
codePoint == 0x3030 ||
codePoint == 0x303D ||
codePoint == 0x3297 ||
codePoint == 0x3299 ||
codePoint == 0x1F004 ||
codePoint == 0x1F0CF ||
codePoint == 0x1F170 ||
codePoint == 0x1F171 ||
codePoint == 0x1F17E ||
codePoint == 0x1F17F ||
codePoint == 0x1F18E ||
codePoint == 0x1F191 ||
codePoint == 0x1F192 ||
codePoint == 0x1F193 ||
codePoint == 0x1F194 ||
codePoint == 0x1F195 ||
codePoint == 0x1F196 ||
codePoint == 0x1F197 ||
codePoint == 0x1F198 ||
codePoint == 0x1F199 ||
codePoint == 0x1F19A ||
// Regional Indicator Symbols (actually defined in concatenated form)
(codePoint == 0x1F1E8 || codePoint == 0x1F1F3) ||
(codePoint == 0x1F1E9 || codePoint == 0x1F1EA) ||
(codePoint == 0x1F1EA || codePoint == 0x1F1F8) ||
(codePoint == 0x1F1EB || codePoint == 0x1F1F7) ||
(codePoint == 0x1F1EC || codePoint == 0x1F1E7) ||
(codePoint == 0x1F1EE || codePoint == 0x1F1F9) ||
(codePoint == 0x1F1EF || codePoint == 0x1F1F5) ||
(codePoint == 0x1F1F0 || codePoint == 0x1F1F7) ||
(codePoint == 0x1F1F7 || codePoint == 0x1F1FA) ||
(codePoint == 0x1F1FA || codePoint == 0x1F1F8) ||
codePoint == 0x1F201 ||
codePoint == 0x1F202 ||
codePoint == 0x1F21A ||
codePoint == 0x1F22F ||
codePoint == 0x1F232 ||
codePoint == 0x1F233 ||
codePoint == 0x1F234 ||
codePoint == 0x1F235 ||
codePoint == 0x1F236 ||
codePoint == 0x1F237 ||
codePoint == 0x1F238 ||
codePoint == 0x1F239 ||
codePoint == 0x1F23A ||
codePoint == 0x1F250 ||
codePoint == 0x1F251 ||
codePoint == 0x1F300 ||
codePoint == 0x1F301 ||
codePoint == 0x1F302 ||
codePoint == 0x1F303 ||
codePoint == 0x1F304 ||
codePoint == 0x1F305 ||
codePoint == 0x1F306 ||
codePoint == 0x1F307 ||
codePoint == 0x1F308 ||
codePoint == 0x1F309 ||
codePoint == 0x1F30A ||
codePoint == 0x1F30B ||
codePoint == 0x1F30C ||
codePoint == 0x1F30F ||
codePoint == 0x1F311 ||
codePoint == 0x1F313 ||
codePoint == 0x1F314 ||
codePoint == 0x1F315 ||
codePoint == 0x1F319 ||
codePoint == 0x1F31B ||
codePoint == 0x1F31F ||
codePoint == 0x1F320 ||
codePoint == 0x1F330 ||
codePoint == 0x1F331 ||
codePoint == 0x1F334 ||
codePoint == 0x1F335 ||
codePoint == 0x1F337 ||
codePoint == 0x1F338 ||
codePoint == 0x1F339 ||
codePoint == 0x1F33A ||
codePoint == 0x1F33B ||
codePoint == 0x1F33C ||
codePoint == 0x1F33D ||
codePoint == 0x1F33E ||
codePoint == 0x1F33F ||
codePoint == 0x1F340 ||
codePoint == 0x1F341 ||
codePoint == 0x1F342 ||
codePoint == 0x1F343 ||
codePoint == 0x1F344 ||
codePoint == 0x1F345 ||
codePoint == 0x1F346 ||
codePoint == 0x1F347 ||
codePoint == 0x1F348 ||
codePoint == 0x1F349 ||
codePoint == 0x1F34A ||
codePoint == 0x1F34C ||
codePoint == 0x1F34D ||
codePoint == 0x1F34E ||
codePoint == 0x1F34F ||
codePoint == 0x1F351 ||
codePoint == 0x1F352 ||
codePoint == 0x1F353 ||
codePoint == 0x1F354 ||
codePoint == 0x1F355 ||
codePoint == 0x1F356 ||
codePoint == 0x1F357 ||
codePoint == 0x1F358 ||
codePoint == 0x1F359 ||
codePoint == 0x1F35A ||
codePoint == 0x1F35B ||
codePoint == 0x1F35C ||
codePoint == 0x1F35D ||
codePoint == 0x1F35E ||
codePoint == 0x1F35F ||
codePoint == 0x1F360 ||
codePoint == 0x1F361 ||
codePoint == 0x1F362 ||
codePoint == 0x1F363 ||
codePoint == 0x1F364 ||
codePoint == 0x1F365 ||
codePoint == 0x1F366 ||
codePoint == 0x1F367 ||
codePoint == 0x1F368 ||
codePoint == 0x1F369 ||
codePoint == 0x1F36A ||
codePoint == 0x1F36B ||
codePoint == 0x1F36C ||
codePoint == 0x1F36D ||
codePoint == 0x1F36E ||
codePoint == 0x1F36F ||
codePoint == 0x1F370 ||
codePoint == 0x1F371 ||
codePoint == 0x1F372 ||
codePoint == 0x1F373 ||
codePoint == 0x1F374 ||
codePoint == 0x1F375 ||
codePoint == 0x1F376 ||
codePoint == 0x1F377 ||
codePoint == 0x1F378 ||
codePoint == 0x1F379 ||
codePoint == 0x1F37A ||
codePoint == 0x1F37B ||
codePoint == 0x1F380 ||
codePoint == 0x1F381 ||
codePoint == 0x1F382 ||
codePoint == 0x1F383 ||
codePoint == 0x1F384 ||
codePoint == 0x1F385 ||
codePoint == 0x1F386 ||
codePoint == 0x1F387 ||
codePoint == 0x1F388 ||
codePoint == 0x1F389 ||
codePoint == 0x1F38A ||
codePoint == 0x1F38B ||
codePoint == 0x1F38C ||
codePoint == 0x1F38D ||
codePoint == 0x1F38E ||
codePoint == 0x1F38F ||
codePoint == 0x1F390 ||
codePoint == 0x1F391 ||
codePoint == 0x1F392 ||
codePoint == 0x1F393 ||
codePoint == 0x1F3A0 ||
codePoint == 0x1F3A1 ||
codePoint == 0x1F3A2 ||
codePoint == 0x1F3A3 ||
codePoint == 0x1F3A4 ||
codePoint == 0x1F3A5 ||
codePoint == 0x1F3A6 ||
codePoint == 0x1F3A7 ||
codePoint == 0x1F3A8 ||
codePoint == 0x1F3A9 ||
codePoint == 0x1F3AA ||
codePoint == 0x1F3AB ||
codePoint == 0x1F3AC ||
codePoint == 0x1F3AD ||
codePoint == 0x1F3AE ||
codePoint == 0x1F3AF ||
codePoint == 0x1F3B0 ||
codePoint == 0x1F3B1 ||
codePoint == 0x1F3B2 ||
codePoint == 0x1F3B3 ||
codePoint == 0x1F3B4 ||
codePoint == 0x1F3B5 ||
codePoint == 0x1F3B6 ||
codePoint == 0x1F3B7 ||
codePoint == 0x1F3B8 ||
codePoint == 0x1F3B9 ||
codePoint == 0x1F3BA ||
codePoint == 0x1F3BB ||
codePoint == 0x1F3BC ||
codePoint == 0x1F3BD ||
codePoint == 0x1F3BE ||
codePoint == 0x1F3BF ||
codePoint == 0x1F3C0 ||
codePoint == 0x1F3C1 ||
codePoint == 0x1F3C2 ||
codePoint == 0x1F3C3 ||
codePoint == 0x1F3C4 ||
codePoint == 0x1F3C6 ||
codePoint == 0x1F3C8 ||
codePoint == 0x1F3CA ||
codePoint == 0x1F3E0 ||
codePoint == 0x1F3E1 ||
codePoint == 0x1F3E2 ||
codePoint == 0x1F3E3 ||
codePoint == 0x1F3E5 ||
codePoint == 0x1F3E6 ||
codePoint == 0x1F3E7 ||
codePoint == 0x1F3E8 ||
codePoint == 0x1F3E9 ||
codePoint == 0x1F3EA ||
codePoint == 0x1F3EB ||
codePoint == 0x1F3EC ||
codePoint == 0x1F3ED ||
codePoint == 0x1F3EE ||
codePoint == 0x1F3EF ||
codePoint == 0x1F3F0 ||
codePoint == 0x1F40C ||
codePoint == 0x1F40D ||
codePoint == 0x1F40E ||
codePoint == 0x1F411 ||
codePoint == 0x1F412 ||
codePoint == 0x1F414 ||
codePoint == 0x1F417 ||
codePoint == 0x1F418 ||
codePoint == 0x1F419 ||
codePoint == 0x1F41A ||
codePoint == 0x1F41B ||
codePoint == 0x1F41C ||
codePoint == 0x1F41D ||
codePoint == 0x1F41E ||
codePoint == 0x1F41F ||
codePoint == 0x1F420 ||
codePoint == 0x1F421 ||
codePoint == 0x1F422 ||
codePoint == 0x1F423 ||
codePoint == 0x1F424 ||
codePoint == 0x1F425 ||
codePoint == 0x1F426 ||
codePoint == 0x1F427 ||
codePoint == 0x1F428 ||
codePoint == 0x1F429 ||
codePoint == 0x1F42B ||
codePoint == 0x1F42C ||
codePoint == 0x1F42D ||
codePoint == 0x1F42E ||
codePoint == 0x1F42F ||
codePoint == 0x1F430 ||
codePoint == 0x1F431 ||
codePoint == 0x1F432 ||
codePoint == 0x1F433 ||
codePoint == 0x1F434 ||
codePoint == 0x1F435 ||
codePoint == 0x1F436 ||
codePoint == 0x1F437 ||
codePoint == 0x1F438 ||
codePoint == 0x1F439 ||
codePoint == 0x1F43A ||
codePoint == 0x1F43B ||
codePoint == 0x1F43C ||
codePoint == 0x1F43D ||
codePoint == 0x1F43E ||
codePoint == 0x1F440 ||
codePoint == 0x1F442 ||
codePoint == 0x1F443 ||
codePoint == 0x1F444 ||
codePoint == 0x1F445 ||
codePoint == 0x1F446 ||
codePoint == 0x1F447 ||
codePoint == 0x1F448 ||
codePoint == 0x1F449 ||
codePoint == 0x1F44A ||
codePoint == 0x1F44B ||
codePoint == 0x1F44C ||
codePoint == 0x1F44D ||
codePoint == 0x1F44E ||
codePoint == 0x1F44F ||
codePoint == 0x1F450 ||
codePoint == 0x1F451 ||
codePoint == 0x1F452 ||
codePoint == 0x1F453 ||
codePoint == 0x1F454 ||
codePoint == 0x1F455 ||
codePoint == 0x1F456 ||
codePoint == 0x1F457 ||
codePoint == 0x1F458 ||
codePoint == 0x1F459 ||
codePoint == 0x1F45A ||
codePoint == 0x1F45B ||
codePoint == 0x1F45C ||
codePoint == 0x1F45D ||
codePoint == 0x1F45E ||
codePoint == 0x1F45F ||
codePoint == 0x1F460 ||
codePoint == 0x1F461 ||
codePoint == 0x1F462 ||
codePoint == 0x1F463 ||
codePoint == 0x1F464 ||
codePoint == 0x1F466 ||
codePoint == 0x1F467 ||
codePoint == 0x1F468 ||
codePoint == 0x1F469 ||
codePoint == 0x1F46A ||
codePoint == 0x1F46B ||
codePoint == 0x1F46E ||
codePoint == 0x1F46F ||
codePoint == 0x1F470 ||
codePoint == 0x1F471 ||
codePoint == 0x1F472 ||
codePoint == 0x1F473 ||
codePoint == 0x1F474 ||
codePoint == 0x1F475 ||
codePoint == 0x1F476 ||
codePoint == 0x1F477 ||
codePoint == 0x1F478 ||
codePoint == 0x1F479 ||
codePoint == 0x1F47A ||
codePoint == 0x1F47B ||
codePoint == 0x1F47C ||
codePoint == 0x1F47D ||
codePoint == 0x1F47E ||
codePoint == 0x1F47F ||
codePoint == 0x1F480 ||
codePoint == 0x1F481 ||
codePoint == 0x1F482 ||
codePoint == 0x1F483 ||
codePoint == 0x1F484 ||
codePoint == 0x1F485 ||
codePoint == 0x1F486 ||
codePoint == 0x1F487 ||
codePoint == 0x1F488 ||
codePoint == 0x1F489 ||
codePoint == 0x1F48A ||
codePoint == 0x1F48B ||
codePoint == 0x1F48C ||
codePoint == 0x1F48D ||
codePoint == 0x1F48E ||
codePoint == 0x1F48F ||
codePoint == 0x1F490 ||
codePoint == 0x1F491 ||
codePoint == 0x1F492 ||
codePoint == 0x1F493 ||
codePoint == 0x1F494 ||
codePoint == 0x1F495 ||
codePoint == 0x1F496 ||
codePoint == 0x1F497 ||
codePoint == 0x1F498 ||
codePoint == 0x1F499 ||
codePoint == 0x1F49A ||
codePoint == 0x1F49B ||
codePoint == 0x1F49C ||
codePoint == 0x1F49D ||
codePoint == 0x1F49E ||
codePoint == 0x1F49F ||
codePoint == 0x1F4A0 ||
codePoint == 0x1F4A1 ||
codePoint == 0x1F4A2 ||
codePoint == 0x1F4A3 ||
codePoint == 0x1F4A4 ||
codePoint == 0x1F4A5 ||
codePoint == 0x1F4A6 ||
codePoint == 0x1F4A7 ||
codePoint == 0x1F4A8 ||
codePoint == 0x1F4A9 ||
codePoint == 0x1F4AA ||
codePoint == 0x1F4AB ||
codePoint == 0x1F4AC ||
codePoint == 0x1F4AE ||
codePoint == 0x1F4AF ||
codePoint == 0x1F4B0 ||
codePoint == 0x1F4B1 ||
codePoint == 0x1F4B2 ||
codePoint == 0x1F4B3 ||
codePoint == 0x1F4B4 ||
codePoint == 0x1F4B5 ||
codePoint == 0x1F4B8 ||
codePoint == 0x1F4B9 ||
codePoint == 0x1F4BA ||
codePoint == 0x1F4BB ||
codePoint == 0x1F4BC ||
codePoint == 0x1F4BD ||
codePoint == 0x1F4BE ||
codePoint == 0x1F4BF ||
codePoint == 0x1F4C0 ||
codePoint == 0x1F4C1 ||
codePoint == 0x1F4C2 ||
codePoint == 0x1F4C3 ||
codePoint == 0x1F4C4 ||
codePoint == 0x1F4C5 ||
codePoint == 0x1F4C6 ||
codePoint == 0x1F4C7 ||
codePoint == 0x1F4C8 ||
codePoint == 0x1F4C9 ||
codePoint == 0x1F4CA ||
codePoint == 0x1F4CB ||
codePoint == 0x1F4CC ||
codePoint == 0x1F4CD ||
codePoint == 0x1F4CE ||
codePoint == 0x1F4CF ||
codePoint == 0x1F4D0 ||
codePoint == 0x1F4D1 ||
codePoint == 0x1F4D2 ||
codePoint == 0x1F4D3 ||
codePoint == 0x1F4D4 ||
codePoint == 0x1F4D5 ||
codePoint == 0x1F4D6 ||
codePoint == 0x1F4D7 ||
codePoint == 0x1F4D8 ||
codePoint == 0x1F4D9 ||
codePoint == 0x1F4DA ||
codePoint == 0x1F4DB ||
codePoint == 0x1F4DC ||
codePoint == 0x1F4DD ||
codePoint == 0x1F4DE ||
codePoint == 0x1F4DF ||
codePoint == 0x1F4E0 ||
codePoint == 0x1F4E1 ||
codePoint == 0x1F4E2 ||
codePoint == 0x1F4E3 ||
codePoint == 0x1F4E4 ||
codePoint == 0x1F4E5 ||
codePoint == 0x1F4E6 ||
codePoint == 0x1F4E7 ||
codePoint == 0x1F4E8 ||
codePoint == 0x1F4E9 ||
codePoint == 0x1F4EA ||
codePoint == 0x1F4EB ||
codePoint == 0x1F4EE ||
codePoint == 0x1F4F0 ||
codePoint == 0x1F4F1 ||
codePoint == 0x1F4F2 ||
codePoint == 0x1F4F3 ||
codePoint == 0x1F4F4 ||
codePoint == 0x1F4F6 ||
codePoint == 0x1F4F7 ||
codePoint == 0x1F4F9 ||
codePoint == 0x1F4FA ||
codePoint == 0x1F4FB ||
codePoint == 0x1F4FC ||
codePoint == 0x1F503 ||
codePoint == 0x1F50A ||
codePoint == 0x1F50B ||
codePoint == 0x1F50C ||
codePoint == 0x1F50D ||
codePoint == 0x1F50E ||
codePoint == 0x1F50F ||
codePoint == 0x1F510 ||
codePoint == 0x1F511 ||
codePoint == 0x1F512 ||
codePoint == 0x1F513 ||
codePoint == 0x1F514 ||
codePoint == 0x1F516 ||
codePoint == 0x1F517 ||
codePoint == 0x1F518 ||
codePoint == 0x1F519 ||
codePoint == 0x1F51A ||
codePoint == 0x1F51B ||
codePoint == 0x1F51C ||
codePoint == 0x1F51D ||
codePoint == 0x1F51E ||
codePoint == 0x1F51F ||
codePoint == 0x1F520 ||
codePoint == 0x1F521 ||
codePoint == 0x1F522 ||
codePoint == 0x1F523 ||
codePoint == 0x1F524 ||
codePoint == 0x1F525 ||
codePoint == 0x1F526 ||
codePoint == 0x1F527 ||
codePoint == 0x1F528 ||
codePoint == 0x1F529 ||
codePoint == 0x1F52A ||
codePoint == 0x1F52B ||
codePoint == 0x1F52E ||
codePoint == 0x1F52F ||
codePoint == 0x1F530 ||
codePoint == 0x1F531 ||
codePoint == 0x1F532 ||
codePoint == 0x1F533 ||
codePoint == 0x1F534 ||
codePoint == 0x1F535 ||
codePoint == 0x1F536 ||
codePoint == 0x1F537 ||
codePoint == 0x1F538 ||
codePoint == 0x1F539 ||
codePoint == 0x1F53A ||
codePoint == 0x1F53B ||
codePoint == 0x1F53C ||
codePoint == 0x1F53D ||
codePoint == 0x1F550 ||
codePoint == 0x1F551 ||
codePoint == 0x1F552 ||
codePoint == 0x1F553 ||
codePoint == 0x1F554 ||
codePoint == 0x1F555 ||
codePoint == 0x1F556 ||
codePoint == 0x1F557 ||
codePoint == 0x1F558 ||
codePoint == 0x1F559 ||
codePoint == 0x1F55A ||
codePoint == 0x1F55B ||
codePoint == 0x1F5FB ||
codePoint == 0x1F5FC ||
codePoint == 0x1F5FD ||
codePoint == 0x1F5FE ||
codePoint == 0x1F5FF ||
codePoint == 0x1F601 ||
codePoint == 0x1F602 ||
codePoint == 0x1F603 ||
codePoint == 0x1F604 ||
codePoint == 0x1F605 ||
codePoint == 0x1F606 ||
codePoint == 0x1F609 ||
codePoint == 0x1F60A ||
codePoint == 0x1F60B ||
codePoint == 0x1F60C ||
codePoint == 0x1F60D ||
codePoint == 0x1F60F ||
codePoint == 0x1F612 ||
codePoint == 0x1F613 ||
codePoint == 0x1F614 ||
codePoint == 0x1F616 ||
codePoint == 0x1F618 ||
codePoint == 0x1F61A ||
codePoint == 0x1F61C ||
codePoint == 0x1F61D ||
codePoint == 0x1F61E ||
codePoint == 0x1F620 ||
codePoint == 0x1F621 ||
codePoint == 0x1F622 ||
codePoint == 0x1F623 ||
codePoint == 0x1F624 ||
codePoint == 0x1F625 ||
codePoint == 0x1F628 ||
codePoint == 0x1F629 ||
codePoint == 0x1F62A ||
codePoint == 0x1F62B ||
codePoint == 0x1F62D ||
codePoint == 0x1F630 ||
codePoint == 0x1F631 ||
codePoint == 0x1F632 ||
codePoint == 0x1F633 ||
codePoint == 0x1F635 ||
codePoint == 0x1F637 ||
codePoint == 0x1F638 ||
codePoint == 0x1F639 ||
codePoint == 0x1F63A ||
codePoint == 0x1F63B ||
codePoint == 0x1F63C ||
codePoint == 0x1F63D ||
codePoint == 0x1F63E ||
codePoint == 0x1F63F ||
codePoint == 0x1F640 ||
codePoint == 0x1F645 ||
codePoint == 0x1F646 ||
codePoint == 0x1F647 ||
codePoint == 0x1F648 ||
codePoint == 0x1F649 ||
codePoint == 0x1F64A ||
codePoint == 0x1F64B ||
codePoint == 0x1F64C ||
codePoint == 0x1F64D ||
codePoint == 0x1F64E ||
codePoint == 0x1F64F ||
codePoint == 0x1F680 ||
codePoint == 0x1F683 ||
codePoint == 0x1F684 ||
codePoint == 0x1F685 ||
codePoint == 0x1F687 ||
codePoint == 0x1F689 ||
codePoint == 0x1F68C ||
codePoint == 0x1F68F ||
codePoint == 0x1F691 ||
codePoint == 0x1F692 ||
codePoint == 0x1F693 ||
codePoint == 0x1F695 ||
codePoint == 0x1F697 ||
codePoint == 0x1F699 ||
codePoint == 0x1F69A ||
codePoint == 0x1F6A2 ||
codePoint == 0x1F6A4 ||
codePoint == 0x1F6A5 ||
codePoint == 0x1F6A7 ||
codePoint == 0x1F6A8 ||
codePoint == 0x1F6A9 ||
codePoint == 0x1F6AA ||
codePoint == 0x1F6AB ||
codePoint == 0x1F6AC ||
codePoint == 0x1F6AD ||
codePoint == 0x1F6B2 ||
codePoint == 0x1F6B6 ||
codePoint == 0x1F6B9 ||
codePoint == 0x1F6BA ||
codePoint == 0x1F6BB ||
codePoint == 0x1F6BC ||
codePoint == 0x1F6BD ||
codePoint == 0x1F6BE ||
codePoint == 0x1F6C0;
}とんでもなく長いコードですが、やっている処理はシンプルです。
文字列をunicodeとして取り出し、絵文字のunicodeと比較しています。
そのため、上記に記載されていない絵文字は絵文字として識別されずに通してしまいますが、絵文字のチェックとしては最低限の量を実装していると思います。
もっと多くの絵文字をチェックしたい人は、isEmojiメソッドの中にunicodeを追加してください。
以上
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