1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.text; 18 19 import java.util.Arrays; 20 21 /** 22 * An utility class for Emoji. 23 * @hide 24 */ 25 public class Emoji { 26 // See http://www.unicode.org/Public/emoji/3.0/emoji-data.txt 27 // TODO: Generate from external/unicode/emoji-data.txt 28 private static int[] EMOJI_LIST = { 29 0x0023, 0x002A, 0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037, 0x0038, 30 0x0039, 0x00A9, 0x00AE, 0x203C, 0x2049, 0x2122, 0x2139, 0x2194, 0x2195, 0x2196, 0x2197, 31 0x2198, 0x2199, 0x21A9, 0x21AA, 0x231A, 0x231B, 0x2328, 0x23CF, 0x23E9, 0x23EA, 0x23EB, 32 0x23EC, 0x23ED, 0x23EE, 0x23EF, 0x23F0, 0x23F1, 0x23F2, 0x23F3, 0x23F8, 0x23F9, 0x23FA, 33 0x24C2, 0x25AA, 0x25AB, 0x25B6, 0x25C0, 0x25FB, 0x25FC, 0x25FD, 0x25FE, 0x2600, 0x2601, 34 0x2602, 0x2603, 0x2604, 0x260E, 0x2611, 0x2614, 0x2615, 0x2618, 0x261D, 0x2620, 0x2622, 35 0x2623, 0x2626, 0x262A, 0x262E, 0x262F, 0x2638, 0x2639, 0x263A, 0x2648, 0x2649, 0x264A, 36 0x264B, 0x264C, 0x264D, 0x264E, 0x264F, 0x2650, 0x2651, 0x2652, 0x2653, 0x2660, 0x2663, 37 0x2665, 0x2666, 0x2668, 0x267B, 0x267F, 0x2692, 0x2693, 0x2694, 0x2696, 0x2697, 0x2699, 38 0x269B, 0x269C, 0x26A0, 0x26A1, 0x26AA, 0x26AB, 0x26B0, 0x26B1, 0x26BD, 0x26BE, 0x26C4, 39 0x26C5, 0x26C8, 0x26CE, 0x26CF, 0x26D1, 0x26D3, 0x26D4, 0x26E9, 0x26EA, 0x26F0, 0x26F1, 40 0x26F2, 0x26F3, 0x26F4, 0x26F5, 0x26F7, 0x26F8, 0x26F9, 0x26FA, 0x26FD, 0x2702, 0x2705, 41 0x2708, 0x2709, 0x270A, 0x270B, 0x270C, 0x270D, 0x270F, 0x2712, 0x2714, 0x2716, 0x271D, 42 0x2721, 0x2728, 0x2733, 0x2734, 0x2744, 0x2747, 0x274C, 0x274E, 0x2753, 0x2754, 0x2755, 43 0x2757, 0x2763, 0x2764, 0x2795, 0x2796, 0x2797, 0x27A1, 0x27B0, 0x27BF, 0x2934, 0x2935, 44 0x2B05, 0x2B06, 0x2B07, 0x2B1B, 0x2B1C, 0x2B50, 0x2B55, 0x3030, 0x303D, 0x3297, 0x3299, 45 0x1F004, 0x1F0CF, 0x1F170, 0x1F171, 0x1F17E, 0x1F17F, 0x1F18E, 0x1F191, 0x1F192, 0x1F193, 46 0x1F194, 0x1F195, 0x1F196, 0x1F197, 0x1F198, 0x1F199, 0x1F19A, 0x1F1E6, 0x1F1E7, 0x1F1E8, 47 0x1F1E9, 0x1F1EA, 0x1F1EB, 0x1F1EC, 0x1F1ED, 0x1F1EE, 0x1F1EF, 0x1F1F0, 0x1F1F1, 0x1F1F2, 48 0x1F1F3, 0x1F1F4, 0x1F1F5, 0x1F1F6, 0x1F1F7, 0x1F1F8, 0x1F1F9, 0x1F1FA, 0x1F1FB, 0x1F1FC, 49 0x1F1FD, 0x1F1FE, 0x1F1FF, 0x1F201, 0x1F202, 0x1F21A, 0x1F22F, 0x1F232, 0x1F233, 0x1F234, 50 0x1F235, 0x1F236, 0x1F237, 0x1F238, 0x1F239, 0x1F23A, 0x1F250, 0x1F251, 0x1F300, 0x1F301, 51 0x1F302, 0x1F303, 0x1F304, 0x1F305, 0x1F306, 0x1F307, 0x1F308, 0x1F309, 0x1F30A, 0x1F30B, 52 0x1F30C, 0x1F30D, 0x1F30E, 0x1F30F, 0x1F310, 0x1F311, 0x1F312, 0x1F313, 0x1F314, 0x1F315, 53 0x1F316, 0x1F317, 0x1F318, 0x1F319, 0x1F31A, 0x1F31B, 0x1F31C, 0x1F31D, 0x1F31E, 0x1F31F, 54 0x1F320, 0x1F321, 0x1F324, 0x1F325, 0x1F326, 0x1F327, 0x1F328, 0x1F329, 0x1F32A, 0x1F32B, 55 0x1F32C, 0x1F32D, 0x1F32E, 0x1F32F, 0x1F330, 0x1F331, 0x1F332, 0x1F333, 0x1F334, 0x1F335, 56 0x1F336, 0x1F337, 0x1F338, 0x1F339, 0x1F33A, 0x1F33B, 0x1F33C, 0x1F33D, 0x1F33E, 0x1F33F, 57 0x1F340, 0x1F341, 0x1F342, 0x1F343, 0x1F344, 0x1F345, 0x1F346, 0x1F347, 0x1F348, 0x1F349, 58 0x1F34A, 0x1F34B, 0x1F34C, 0x1F34D, 0x1F34E, 0x1F34F, 0x1F350, 0x1F351, 0x1F352, 0x1F353, 59 0x1F354, 0x1F355, 0x1F356, 0x1F357, 0x1F358, 0x1F359, 0x1F35A, 0x1F35B, 0x1F35C, 0x1F35D, 60 0x1F35E, 0x1F35F, 0x1F360, 0x1F361, 0x1F362, 0x1F363, 0x1F364, 0x1F365, 0x1F366, 0x1F367, 61 0x1F368, 0x1F369, 0x1F36A, 0x1F36B, 0x1F36C, 0x1F36D, 0x1F36E, 0x1F36F, 0x1F370, 0x1F371, 62 0x1F372, 0x1F373, 0x1F374, 0x1F375, 0x1F376, 0x1F377, 0x1F378, 0x1F379, 0x1F37A, 0x1F37B, 63 0x1F37C, 0x1F37D, 0x1F37E, 0x1F37F, 0x1F380, 0x1F381, 0x1F382, 0x1F383, 0x1F384, 0x1F385, 64 0x1F386, 0x1F387, 0x1F388, 0x1F389, 0x1F38A, 0x1F38B, 0x1F38C, 0x1F38D, 0x1F38E, 0x1F38F, 65 0x1F390, 0x1F391, 0x1F392, 0x1F393, 0x1F396, 0x1F397, 0x1F399, 0x1F39A, 0x1F39B, 0x1F39E, 66 0x1F39F, 0x1F3A0, 0x1F3A1, 0x1F3A2, 0x1F3A3, 0x1F3A4, 0x1F3A5, 0x1F3A6, 0x1F3A7, 0x1F3A8, 67 0x1F3A9, 0x1F3AA, 0x1F3AB, 0x1F3AC, 0x1F3AD, 0x1F3AE, 0x1F3AF, 0x1F3B0, 0x1F3B1, 0x1F3B2, 68 0x1F3B3, 0x1F3B4, 0x1F3B5, 0x1F3B6, 0x1F3B7, 0x1F3B8, 0x1F3B9, 0x1F3BA, 0x1F3BB, 0x1F3BC, 69 0x1F3BD, 0x1F3BE, 0x1F3BF, 0x1F3C0, 0x1F3C1, 0x1F3C2, 0x1F3C3, 0x1F3C4, 0x1F3C5, 0x1F3C6, 70 0x1F3C7, 0x1F3C8, 0x1F3C9, 0x1F3CA, 0x1F3CB, 0x1F3CC, 0x1F3CD, 0x1F3CE, 0x1F3CF, 0x1F3D0, 71 0x1F3D1, 0x1F3D2, 0x1F3D3, 0x1F3D4, 0x1F3D5, 0x1F3D6, 0x1F3D7, 0x1F3D8, 0x1F3D9, 0x1F3DA, 72 0x1F3DB, 0x1F3DC, 0x1F3DD, 0x1F3DE, 0x1F3DF, 0x1F3E0, 0x1F3E1, 0x1F3E2, 0x1F3E3, 0x1F3E4, 73 0x1F3E5, 0x1F3E6, 0x1F3E7, 0x1F3E8, 0x1F3E9, 0x1F3EA, 0x1F3EB, 0x1F3EC, 0x1F3ED, 0x1F3EE, 74 0x1F3EF, 0x1F3F0, 0x1F3F3, 0x1F3F4, 0x1F3F5, 0x1F3F7, 0x1F3F8, 0x1F3F9, 0x1F3FA, 0x1F3FB, 75 0x1F3FC, 0x1F3FD, 0x1F3FE, 0x1F3FF, 0x1F400, 0x1F401, 0x1F402, 0x1F403, 0x1F404, 0x1F405, 76 0x1F406, 0x1F407, 0x1F408, 0x1F409, 0x1F40A, 0x1F40B, 0x1F40C, 0x1F40D, 0x1F40E, 0x1F40F, 77 0x1F410, 0x1F411, 0x1F412, 0x1F413, 0x1F414, 0x1F415, 0x1F416, 0x1F417, 0x1F418, 0x1F419, 78 0x1F41A, 0x1F41B, 0x1F41C, 0x1F41D, 0x1F41E, 0x1F41F, 0x1F420, 0x1F421, 0x1F422, 0x1F423, 79 0x1F424, 0x1F425, 0x1F426, 0x1F427, 0x1F428, 0x1F429, 0x1F42A, 0x1F42B, 0x1F42C, 0x1F42D, 80 0x1F42E, 0x1F42F, 0x1F430, 0x1F431, 0x1F432, 0x1F433, 0x1F434, 0x1F435, 0x1F436, 0x1F437, 81 0x1F438, 0x1F439, 0x1F43A, 0x1F43B, 0x1F43C, 0x1F43D, 0x1F43E, 0x1F43F, 0x1F440, 0x1F441, 82 0x1F442, 0x1F443, 0x1F444, 0x1F445, 0x1F446, 0x1F447, 0x1F448, 0x1F449, 0x1F44A, 0x1F44B, 83 0x1F44C, 0x1F44D, 0x1F44E, 0x1F44F, 0x1F450, 0x1F451, 0x1F452, 0x1F453, 0x1F454, 0x1F455, 84 0x1F456, 0x1F457, 0x1F458, 0x1F459, 0x1F45A, 0x1F45B, 0x1F45C, 0x1F45D, 0x1F45E, 0x1F45F, 85 0x1F460, 0x1F461, 0x1F462, 0x1F463, 0x1F464, 0x1F465, 0x1F466, 0x1F467, 0x1F468, 0x1F469, 86 0x1F46A, 0x1F46B, 0x1F46C, 0x1F46D, 0x1F46E, 0x1F46F, 0x1F470, 0x1F471, 0x1F472, 0x1F473, 87 0x1F474, 0x1F475, 0x1F476, 0x1F477, 0x1F478, 0x1F479, 0x1F47A, 0x1F47B, 0x1F47C, 0x1F47D, 88 0x1F47E, 0x1F47F, 0x1F480, 0x1F481, 0x1F482, 0x1F483, 0x1F484, 0x1F485, 0x1F486, 0x1F487, 89 0x1F488, 0x1F489, 0x1F48A, 0x1F48B, 0x1F48C, 0x1F48D, 0x1F48E, 0x1F48F, 0x1F490, 0x1F491, 90 0x1F492, 0x1F493, 0x1F494, 0x1F495, 0x1F496, 0x1F497, 0x1F498, 0x1F499, 0x1F49A, 0x1F49B, 91 0x1F49C, 0x1F49D, 0x1F49E, 0x1F49F, 0x1F4A0, 0x1F4A1, 0x1F4A2, 0x1F4A3, 0x1F4A4, 0x1F4A5, 92 0x1F4A6, 0x1F4A7, 0x1F4A8, 0x1F4A9, 0x1F4AA, 0x1F4AB, 0x1F4AC, 0x1F4AD, 0x1F4AE, 0x1F4AF, 93 0x1F4B0, 0x1F4B1, 0x1F4B2, 0x1F4B3, 0x1F4B4, 0x1F4B5, 0x1F4B6, 0x1F4B7, 0x1F4B8, 0x1F4B9, 94 0x1F4BA, 0x1F4BB, 0x1F4BC, 0x1F4BD, 0x1F4BE, 0x1F4BF, 0x1F4C0, 0x1F4C1, 0x1F4C2, 0x1F4C3, 95 0x1F4C4, 0x1F4C5, 0x1F4C6, 0x1F4C7, 0x1F4C8, 0x1F4C9, 0x1F4CA, 0x1F4CB, 0x1F4CC, 0x1F4CD, 96 0x1F4CE, 0x1F4CF, 0x1F4D0, 0x1F4D1, 0x1F4D2, 0x1F4D3, 0x1F4D4, 0x1F4D5, 0x1F4D6, 0x1F4D7, 97 0x1F4D8, 0x1F4D9, 0x1F4DA, 0x1F4DB, 0x1F4DC, 0x1F4DD, 0x1F4DE, 0x1F4DF, 0x1F4E0, 0x1F4E1, 98 0x1F4E2, 0x1F4E3, 0x1F4E4, 0x1F4E5, 0x1F4E6, 0x1F4E7, 0x1F4E8, 0x1F4E9, 0x1F4EA, 0x1F4EB, 99 0x1F4EC, 0x1F4ED, 0x1F4EE, 0x1F4EF, 0x1F4F0, 0x1F4F1, 0x1F4F2, 0x1F4F3, 0x1F4F4, 0x1F4F5, 100 0x1F4F6, 0x1F4F7, 0x1F4F8, 0x1F4F9, 0x1F4FA, 0x1F4FB, 0x1F4FC, 0x1F4FD, 0x1F4FF, 0x1F500, 101 0x1F501, 0x1F502, 0x1F503, 0x1F504, 0x1F505, 0x1F506, 0x1F507, 0x1F508, 0x1F509, 0x1F50A, 102 0x1F50B, 0x1F50C, 0x1F50D, 0x1F50E, 0x1F50F, 0x1F510, 0x1F511, 0x1F512, 0x1F513, 0x1F514, 103 0x1F515, 0x1F516, 0x1F517, 0x1F518, 0x1F519, 0x1F51A, 0x1F51B, 0x1F51C, 0x1F51D, 0x1F51E, 104 0x1F51F, 0x1F520, 0x1F521, 0x1F522, 0x1F523, 0x1F524, 0x1F525, 0x1F526, 0x1F527, 0x1F528, 105 0x1F529, 0x1F52A, 0x1F52B, 0x1F52C, 0x1F52D, 0x1F52E, 0x1F52F, 0x1F530, 0x1F531, 0x1F532, 106 0x1F533, 0x1F534, 0x1F535, 0x1F536, 0x1F537, 0x1F538, 0x1F539, 0x1F53A, 0x1F53B, 0x1F53C, 107 0x1F53D, 0x1F549, 0x1F54A, 0x1F54B, 0x1F54C, 0x1F54D, 0x1F54E, 0x1F550, 0x1F551, 0x1F552, 108 0x1F553, 0x1F554, 0x1F555, 0x1F556, 0x1F557, 0x1F558, 0x1F559, 0x1F55A, 0x1F55B, 0x1F55C, 109 0x1F55D, 0x1F55E, 0x1F55F, 0x1F560, 0x1F561, 0x1F562, 0x1F563, 0x1F564, 0x1F565, 0x1F566, 110 0x1F567, 0x1F56F, 0x1F570, 0x1F573, 0x1F574, 0x1F575, 0x1F576, 0x1F577, 0x1F578, 0x1F579, 111 0x1F57A, 0x1F587, 0x1F58A, 0x1F58B, 0x1F58C, 0x1F58D, 0x1F590, 0x1F595, 0x1F596, 0x1F5A4, 112 0x1F5A5, 0x1F5A8, 0x1F5B1, 0x1F5B2, 0x1F5BC, 0x1F5C2, 0x1F5C3, 0x1F5C4, 0x1F5D1, 0x1F5D2, 113 0x1F5D3, 0x1F5DC, 0x1F5DD, 0x1F5DE, 0x1F5E1, 0x1F5E3, 0x1F5E8, 0x1F5EF, 0x1F5F3, 0x1F5FA, 114 0x1F5FB, 0x1F5FC, 0x1F5FD, 0x1F5FE, 0x1F5FF, 0x1F600, 0x1F601, 0x1F602, 0x1F603, 0x1F604, 115 0x1F605, 0x1F606, 0x1F607, 0x1F608, 0x1F609, 0x1F60A, 0x1F60B, 0x1F60C, 0x1F60D, 0x1F60E, 116 0x1F60F, 0x1F610, 0x1F611, 0x1F612, 0x1F613, 0x1F614, 0x1F615, 0x1F616, 0x1F617, 0x1F618, 117 0x1F619, 0x1F61A, 0x1F61B, 0x1F61C, 0x1F61D, 0x1F61E, 0x1F61F, 0x1F620, 0x1F621, 0x1F622, 118 0x1F623, 0x1F624, 0x1F625, 0x1F626, 0x1F627, 0x1F628, 0x1F629, 0x1F62A, 0x1F62B, 0x1F62C, 119 0x1F62D, 0x1F62E, 0x1F62F, 0x1F630, 0x1F631, 0x1F632, 0x1F633, 0x1F634, 0x1F635, 0x1F636, 120 0x1F637, 0x1F638, 0x1F639, 0x1F63A, 0x1F63B, 0x1F63C, 0x1F63D, 0x1F63E, 0x1F63F, 0x1F640, 121 0x1F641, 0x1F642, 0x1F643, 0x1F644, 0x1F645, 0x1F646, 0x1F647, 0x1F648, 0x1F649, 0x1F64A, 122 0x1F64B, 0x1F64C, 0x1F64D, 0x1F64E, 0x1F64F, 0x1F680, 0x1F681, 0x1F682, 0x1F683, 0x1F684, 123 0x1F685, 0x1F686, 0x1F687, 0x1F688, 0x1F689, 0x1F68A, 0x1F68B, 0x1F68C, 0x1F68D, 0x1F68E, 124 0x1F68F, 0x1F690, 0x1F691, 0x1F692, 0x1F693, 0x1F694, 0x1F695, 0x1F696, 0x1F697, 0x1F698, 125 0x1F699, 0x1F69A, 0x1F69B, 0x1F69C, 0x1F69D, 0x1F69E, 0x1F69F, 0x1F6A0, 0x1F6A1, 0x1F6A2, 126 0x1F6A3, 0x1F6A4, 0x1F6A5, 0x1F6A6, 0x1F6A7, 0x1F6A8, 0x1F6A9, 0x1F6AA, 0x1F6AB, 0x1F6AC, 127 0x1F6AD, 0x1F6AE, 0x1F6AF, 0x1F6B0, 0x1F6B1, 0x1F6B2, 0x1F6B3, 0x1F6B4, 0x1F6B5, 0x1F6B6, 128 0x1F6B7, 0x1F6B8, 0x1F6B9, 0x1F6BA, 0x1F6BB, 0x1F6BC, 0x1F6BD, 0x1F6BE, 0x1F6BF, 0x1F6C0, 129 0x1F6C1, 0x1F6C2, 0x1F6C3, 0x1F6C4, 0x1F6C5, 0x1F6CB, 0x1F6CC, 0x1F6CD, 0x1F6CE, 0x1F6CF, 130 0x1F6D0, 0x1F6D1, 0x1F6D2, 0x1F6E0, 0x1F6E1, 0x1F6E2, 0x1F6E3, 0x1F6E4, 0x1F6E5, 0x1F6E9, 131 0x1F6EB, 0x1F6EC, 0x1F6F0, 0x1F6F3, 0x1F6F4, 0x1F6F5, 0x1F6F6, 0x1F910, 0x1F911, 0x1F912, 132 0x1F913, 0x1F914, 0x1F915, 0x1F916, 0x1F917, 0x1F918, 0x1F919, 0x1F91A, 0x1F91B, 0x1F91C, 133 0x1F91D, 0x1F91E, 0x1F920, 0x1F921, 0x1F922, 0x1F923, 0x1F924, 0x1F925, 0x1F926, 0x1F927, 134 0x1F930, 0x1F933, 0x1F934, 0x1F935, 0x1F936, 0x1F937, 0x1F938, 0x1F939, 0x1F93A, 0x1F93B, 135 0x1F93C, 0x1F93D, 0x1F93E, 0x1F940, 0x1F941, 0x1F942, 0x1F943, 0x1F944, 0x1F945, 0x1F946, 136 0x1F947, 0x1F948, 0x1F949, 0x1F94A, 0x1F94B, 0x1F950, 0x1F951, 0x1F952, 0x1F953, 0x1F954, 137 0x1F955, 0x1F956, 0x1F957, 0x1F958, 0x1F959, 0x1F95A, 0x1F95B, 0x1F95C, 0x1F95D, 0x1F95E, 138 0x1F980, 0x1F981, 0x1F982, 0x1F983, 0x1F984, 0x1F985, 0x1F986, 0x1F987, 0x1F988, 0x1F989, 139 0x1F98A, 0x1F98B, 0x1F98C, 0x1F98D, 0x1F98E, 0x1F98F, 0x1F990, 0x1F991, 0x1F9C0 140 }; 141 142 // See http://www.unicode.org/Public/emoji/3.0/emoji-data.txt 143 private static int[] EMOJI_MODIFIER_BASE = { 144 0x261D, 0x26F9, 0x270A, 0x270B, 0x270C, 0x270D, 0x1F385, 0x1F3C3, 0x1F3C4, 0x1F3CA, 145 0x1F3CB, 0x1F442, 0x1F443, 0x1F446, 0x1F447, 0x1F448, 0x1F449, 0x1F44A, 0x1F44B, 0x1F44C, 146 0x1F44D, 0x1F44E, 0x1F44F, 0x1F450, 0x1F466, 0x1F467, 0x1F468, 0x1F469, 0x1F46E, 0x1F470, 147 0x1F471, 0x1F472, 0x1F473, 0x1F474, 0x1F475, 0x1F476, 0x1F477, 0x1F478, 0x1F47C, 0x1F481, 148 0x1F482, 0x1F483, 0x1F485, 0x1F486, 0x1F487, 0x1F4AA, 0x1F575, 0x1F57A, 0x1F590, 0x1F595, 149 0x1F596, 0x1F645, 0x1F646, 0x1F647, 0x1F64B, 0x1F64C, 0x1F64D, 0x1F64E, 0x1F64F, 0x1F6A3, 150 0x1F6B4, 0x1F6B5, 0x1F6B6, 0x1F6C0, 0x1F918, 0x1F919, 0x1F91A, 0x1F91B, 0x1F91C, 0x1F91D, 151 0x1F91E, 0x1F926, 0x1F930, 0x1F933, 0x1F934, 0x1F935, 0x1F936, 0x1F937, 0x1F938, 0x1F939, 152 0x1F93B, 0x1F93C, 0x1F93D, 0x1F93E 153 }; 154 155 // See http://www.unicode.org/emoji/charts/emoji-zwj-sequences.html 156 private static int[] ZWJ_EMOJI = { 157 0x2764, 0x1F441, 0x1F466, 0x1F467, 0x1F468, 0x1F469, 0x1F48B, 0x1F5E8 158 }; 159 160 public static int COMBINING_ENCLOSING_KEYCAP = 0x20E3; 161 162 public static int ZERO_WIDTH_JOINER = 0x200D; 163 164 public static int VARIATION_SELECTOR_16 = 0xFE0F; 165 166 // Returns true if the given code point is regional indicator symbol. 167 public static boolean isRegionalIndicatorSymbol(int codepoint) { 168 return 0x1F1E6 <= codepoint && codepoint <= 0x1F1FF; 169 } 170 171 // Returns true if the given code point is emoji modifier. 172 public static boolean isEmojiModifier(int codepoint) { 173 return 0x1F3FB <= codepoint && codepoint <= 0x1F3FF; 174 } 175 176 // Returns true if the given code point is emoji modifier base. 177 public static boolean isEmojiModifierBase(int codePoint) { 178 return Arrays.binarySearch(EMOJI_MODIFIER_BASE, codePoint) >= 0; 179 } 180 181 // Returns true if the character has Emoji property. 182 public static boolean isEmoji(int codePoint) { 183 return Arrays.binarySearch(EMOJI_LIST, codePoint) >= 0; 184 } 185 186 // Returns true if the character can be a base character of COMBINING ENCLOSING KEYCAP. 187 public static boolean isKeycapBase(int codePoint) { 188 return ('0' <= codePoint && codePoint <= '9') || codePoint == '#' || codePoint == '*'; 189 } 190 } 191
