{"id":43966,"date":"2020-03-11T18:21:34","date_gmt":"2020-03-11T09:21:34","guid":{"rendered":"https:\/\/www.charlezz.com\/?p=43966"},"modified":"2020-08-25T14:27:06","modified_gmt":"2020-08-25T05:27:06","slug":"d8-r8-%ea%b7%b8%eb%a6%ac%ea%b3%a0-enum-%ec%9d%b4%ec%95%bc%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/charlezz.com\/?p=43966","title":{"rendered":"D8, R8 \uadf8\ub9ac\uace0 enum \uc774\uc57c\uae30"},"content":{"rendered":"

D8 \uacfc R8<\/h1>\n

\uc548\ub4dc\ub85c\uc774\ub4dc\uc5d0\uc11c\ub294 \ub300\ud45c\uc801\uc778 \uc138\uac00\uc9c0 \ucef4\ud30c\uc77c\ub7ec\uac00 \uc788\ub2e4<\/p>\n

    \n
  1. \ucf54\ud2c0\ub9b0 or \uc790\ubc14 \ucef4\ud30c\uc77c\ub7ec<\/strong><\/li>\n
  2. D8<\/strong><\/li>\n
  3. R8<\/strong><\/li>\n<\/ol>\n

    \uc6b0\uc120,\u00a0 \ucf54\ud2c0\ub9b0(\ub610\ub294 \uc790\ubc14) \ucef4\ud30c\uc77c\ub7ec\ub294 \ucf54\ud2c0\ub9b0(\ub610\ub294 \uc790\ubc14) \ucf54\ub4dc\ub97c \uc790\ubc14 \ud504\ub85c\uadf8\ub798\ubc0d \ubc14\uc774\ud2b8\ucf54\ub4dc\ub85c \ubcc0\ud658\ud55c\ub2e4.\u00a0<\/p>\n

    \ud558\uc9c0\ub9cc, \uc6b0\ub9ac\ub294 \uc774 \ubc14\uc774\ud2b8 \ucf54\ub4dc\ub97c \uc548\ub4dc\ub85c\uc774\ub4dc\uae30\uae30\uc5d0\uc11c \uc2e4\ud589\ud560 \uc218 \uc5c6\ub2e4. \uc548\ub4dc\ub85c\uc774\ub4dc\uc5d0\uc11c\ub294 \ubc14\uc774\ud2b8\ucf54\ub4dc \ub300\uc2e0 DEX \ucf54\ub4dc\ub77c\uace0 \ubd88\ub9ac\ub294 Dalvik\uc5d0\uc11c \uc2e4\ud589\uac00\ub2a5\ud55c \ud30c\uc77c\uc774 \ud544\uc694\ud558\ub2e4. Dalvik\uc740 \ubcf8\ub798 \uc548\ub4dc\ub85c\uc774\ub4dc \ub7f0\ud0c0\uc784\uc774\uc600\uc73c\ub098, \ud604\uc7ac\ub294 ART\ub77c\ub294 \ub7f0\ud0c0\uc784\uc73c\ub85c \ubcc0\uacbd\ub418\uc5c8\ub2e4.<\/p>\n

    \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 JVM, DVM, ART \uc774\ud574\ud558\uae30<\/a> \ud3b8\uc744 \ucc38\uc870\ud558\uace0, \uc9c0\uae08\uc740 DEX\ub9cc \uc0dd\uac01\ud558\uc790.<\/p>\n

    \ub458\uc9f8\ub85c D8\uc740 \uc55e\ub2e8\uc5d0 \ucef4\ud30c\uc77c\uc744 \uac70\uccd0 \ub9cc\ub4e0 \uc790\ubc14 \ubc14\uc774\ud2b8 \ucf54\ub4dc\ub97c \ub2e4\uc2dc \ucef4\ud30c\uc77c\ud558\uc5ec DEX\ucf54\ub4dc\ub85c \ubcc0\uacbd\ud55c\ub2e4. DEX \ucf54\ub4dc\ub85c \ubcc0\uacbd\ud588\ub2e4\uba74 \uc548\ub4dc\ub85c\uc774\ub4dc\uc5d0\uc11c \uc2e4\ud589 \uac00\ub2a5\ud55c \ud504\ub85c\uadf8\ub7a8\uc774 \ub41c \uac83\uc774\ub2e4!<\/p>\n

    \uc774\ubbf8 \uc2e4\ud589 \uac00\ub2a5\ud55c \ud504\ub85c\uadf8\ub7a8(\uc571)\uc778\ub370 R8\uc740 \uc65c \ud544\uc694\ud55c \uac83\uc77c\uae4c?<\/p>\n

    R8<\/strong>\uc774\ub77c \ubd88\ub9ac\ub294 \uc138\ubc88\uc9f8 \ucef4\ud30c\uc77c\ub7ec\ub294 \uc120\ud0dd\uc801\uc73c\ub85c \ud65c\uc131\ud654\ud558\uc5ec \ucf54\ub4dc \ucd5c\uc801\ud654 \ubc0f \ucf54\ub4dc \ucd95\uc18c<\/strong>\ub97c \uc218\ud589 \ud560 \uc218 \uc788\ub2e4.\u00a0<\/p>\n

    R8\uc740 \uae30\ubcf8\uc801\uc73c\ub85c\ub294 \ud65c\uc131\ud654\ub418\uc5b4 \uc788\uc9c0 \uc54a\ub2e4. \ub9cc\uc57d R8\uc744 \ud65c\uc131\ud654 \ud558\uace0 \uc2f6\ub2e4\uba74 \ub2e4\uc74c\uacfc \uac19\uc740 \uc0d8\ud50c\uc744 \ucc38\uace0\ud558\uc5ec build.gradle\uc744 \uc218\uc815\ud560 \uc218 \uc788\ub2e4.<\/p>\n

    android {\r\n    buildTypes {\r\n        release {\r\n            minifyEnabled true\r\n            \r\n            proguardFiles getDefaultProguardFile(\r\n                'proguard-android-optimize.txt'),\r\n                'proguard-rules.pro'\r\n        }\r\n    }\r\n    ...\r\n}<\/pre>\n
    minifyEnabled\ub97c true\ub85c \uc124\uc815\ud558\uba74 R8\uc774 \ud65c\uc131\ud654\ub418\uace0, \ub2e4\ub978 \ucef4\ud30c\uc77c\ub7ec\ub4e4\uc758 \ub3d9\uc791\uc774 \ub05d\ub098\uba74 \ucf54\ub4dc \ucd5c\uc801\ud654\uc640 \ucf54\ub4dc \ucd95\uc18c\ub97c \uc218\ud589\ud558\uac8c \ub41c\ub2e4.<\/p>\n
    enum\uc5d0 \ub300\ud574\uc11c…<\/h1>\n
    \ucf54\ud2c0\ub9b0\uc5d0\uc11c enum \uc790\uccb4\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc5d0 \ub300\ud574\uc11c\ub294 \ub531\ud788 \uc624\ubc84\ud5e4\ub4dc\uac00 \ubc1c\uc0dd\ud558\uc9c0 \uc54a\ub294\ub2e4. \ucf54\ud2c0\ub9b0 enum\uc744 \uc0ac\uc6a9\ud558\uba74 \uc790\ubc14 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4 \uc785\uc7a5\uc5d0\uc11c\ub294 \ub3d9\uc77c\ud55c \uc885\ub958\uc758 enum\uc73c\ub85c \ubcc0\ud658 \ub420 \ubfd0\uc774\ub2e4.\u00a0<\/p>\n
    \ud558\uc9c0\ub9cc, switch \ubb38\uc744 \uc0ac\uc6a9\ud55c\ub2e4\uba74 \uc774\uc57c\uae30\uac00 \ub2ec\ub77c\uc9c4\ub2e4.<\/p>\n
    \uc608\uc81c\ucf54\ub4dc\ub97c \uc0b4\ud3b4\ubcf4\uc790<\/p>\n
    <\/a>\"\"<\/a>
    \nBlendMode\ub77c\ub294 enum \ud0c0\uc785\uc774 \uc788\ub2e4\uace0 \uac00\uc815\ud558\uc790.<\/p>\n
    \"\"<\/a>
    \n<\/a>\uc608\uc81c\ucf54\ub4dc\ucc98\ub7fc BlendMode\ud0c0\uc785\uc744 \ucf54\ud2c0\ub9b0\uc758 when \ubb38\ubc95\uacfc \uac19\uc774\uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0\uc5d0 \uc774 \uc18c\uc2a4\ub97c \ucef4\ud30c\uc77c \ud55c \ud6c4 \ubc14\uc774\ud2b8\ucf54\ub4dc\ub97c \uc0b4\ud3b4\ubcf4\uba74 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n
    \"\"<\/a><\/p>\n
    \"\"<\/a><\/p>\n
    \uac12\uc744 \ubc14\uafb8\ub294 \ub300\uc2e0 \uc2e4\uc81c\ub85c\ub294 \ud2b9\uc815 \ubc30\uc5f4\uc744 \ud638\ucd9c\ud558\ub294 \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\ub2e4. \uc774 \ubc30\uc5f4\uc740 \ucef4\ud30c\uc77c\ub7ec\uc5d0 \uc758\ud574 \uc0dd\uc131\ub41c \ud2b9\uc815 \ud074\ub798\uc2a4 \ud30c\uc77c\uc5d0 \uc228\uaca8\uc838 \uc788\ub2e4.<\/p>\n
    \uc65c \uc774\ub7f0 \uc791\uc5c5\uc744 \ub0b4\ubd80\uc801\uc73c\ub85c \uc218\ud589\ud558\ub294 \uac78\uae4c?<\/p>\n
    \ucf54\ub4dc\uc5d0\uc11c enum \ud0c0\uc785\uc758 ordinal \uac12\uc744 \ub2e8\uc21c\ud788 \ubcc0\uacbd\ud558\ub294 \uac83\uc740 \uc774\uc9c4 \ud638\ud658\uc131(binary compatibility) \ubb38\uc81c\ub85c \uc218\ud589 \ud560 \uc218 \uc5c6\ub2e4.<\/p>\n
    \uc608\ub97c\ub4e4\uc5b4 enum\uc744 \uac00\uc9c0\uace0 \uc788\ub294 \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \ub9cc\ub4e4\uc5c8\ub2e4\uace0 \uac00\uc815\ud558\uace0, \ub204\uad70\uac00\uac00 \uc774\ub97c \uac00\uc838\ub2e4 \uc4f4\ub2e4\uace0 \ud588\uc744 \ub54c enum \uc548\uc5d0 \uc788\ub294 \uc544\uc774\ud15c\ub4e4\uc758 \uc21c\uc11c\ub97c \ubcc0\uacbd\ud574\ubc84\ub9ac\uba74 \ub204\uad70\uac00\uc758 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \ub9dd\uac00\ub728\ub9b4\uc218\ub3c4 \uc788\ub294\uac83\uc774\ub2e4. \uadf8\ub807\uae30 \ub54c\ubb38\uc5d0 ordinal \uac12\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83 \ub300\uc2e0 \ucef4\ud30c\uc77c\ub7ec\ub294 enum\ud56d\ubaa9\uc744 \ub2e4\ub978 \uac12\uc5d0 \ub9e4\ud551\ud558\uac8c \ub41c\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \uac1c\ubc1c\uc790\uac00 enum\uac00\uc9c0\uace0 \ubb58\ud558\ub358\uac04\uc5d0 \ub77c\uc774\ube0c\ub7ec\ub9ac\uc758 \ube4c\ub4dc\ub41c \ucf54\ub4dc\ub294 \uc5ec\uc804\ud788 \uc798 \ub3d9\uc791\ud558\uac8c \ub41c\ub2e4.<\/p>\n
    \ubb50 \uc5ec\uae30\uae4c\uc9c0\ub294 \ucef4\ud30c\uc77c\ub7ec\uac00 \ud2b9\uc815 \ud074\ub798\uc2a4\ub97c \uc0dd\uc131\ud558\uace0 \ubc30\uc5f4\uae4c\uc9c0 \ub9cc\ub4dc\ub294 \uc774\uc720\uac00 \ud0c0\ub2f9\ud558\uace0 \uc88b\ub2e4.<\/p>\n
    \ud765\ubbf8\ub86d\uac8c\ub3c4 \uc9c0\uae08\uc740 \ud558\ub098\uc758 when \ud0a4\uc6cc\ub4dc \uc0ac\uc6a9\uc5d0 \ub300\ud574\uc11c \uc774\ub7ec\ud55c \ud074\ub798\uc2a4\uac00 \uc0dd\uc131\ub418\uc5c8\uc9c0\ub9cc, \ub2e4\ub978 \uc5b4\ub518\uac00\uc5d0\uc11c \ub610 when\uacfc enum\uc744 \uc0ac\uc6a9\ud558\uac8c \ub41c\ub2e4\uba74 \ub610 \ub2e4\ub978 \ub9e4\ud551 \ud074\ub798\uc2a4\uac00 \uc0dd\uc131\ub418\uac8c \ub418\uace0, \ub610 \ub2e4\uc2dc \uc815\uc801\uc778 \ubc30\uc5f4\uc744 \uc120\uc5b8\ud558\uac8c \ub41c\ub2e4. \uc774\ub7f0\uc810\ub4e4\uc774 \ubc18\ubcf5\ub418\ub294\uac8c \uc0ac\uc2e4 \ud070 \ubb38\uc81c\ub294 \uc544\ub2c8\ub2e4.<\/p>\n
    \ud558\uc9c0\ub9cc \uc6b0\ub9ac\uac00 \ubaa8\ub974\ub294 \uc0ac\uc774\uc5d0 \ud074\ub798\uc2a4\uc640 \ubc30\uc5f4\uc774 \uc0dd\uc131\ub418\ub294\uac83\uc740 \uadf8\ub9cc\ud07c \ube4c\ub4dc\uc640 \ub7f0\ud0c0\uc784\uc5d0 \ucd94\uac00\uc801\uc778 \uc2dc\uac04\uacfc \ube44\uc6a9\uc774 \ubc1c\uc0dd\ud55c \ub2e4\ub294 \uac83\uc740 \uba85\ubc31\ud55c \uc0ac\uc2e4\uc774\ub2e4. (\ud2f0\ub04c \ubaa8\uc544 \ud0dc\uc0b0…)<\/p>\n
    \ub9cc\uc57d\uc5d0 R8\uc744 \uc0ac\uc6a9\ud55c\ub2e4\uba74 \uc5b4\ub5bb\uac8c \ub420\uae4c?<\/strong>
    \nR8\uc740 \ubaa8\ub4e0\uac83\uc774 \uc81c\ub300\ub85c \ub3d9\uc791\ud558\ub3c4\ub85d \ucf54\ub4dc\ub97c \ucd5c\uc801\ud654\ud558\ub294 \uc544\uc8fc \ub611\ub611\ud55c \ub140\uc11d\uc774\ub2e4. \uc55e\uc5d0\uc11c \uba3c\uc800 \ubcf4\uc558\ub358 \ucf54\ub4dc\ub97c \ub2e8\uc21c\ud558\uac8c \ub2e4\uc74c\uc758 \ucf54\ub4dc\ucc98\ub7fc \ubcc0\uacbd\ud574\uc900\ub2e4.<\/p>\n
    \"\"<\/a><\/p>\n
    R8\uc740 \ubaa8\ub4e0 \ucf54\ub4dc\ub97c \uc0b4\ud3b4\ubcf4\uace0, \uadf8\uac83\uc774 \ub0b4\uac00 \uc791\uc131\ud55c \ucf54\ub4dc\uc778\uc9c0 \ub77c\uc774\ube0c\ub7ec\ub9ac \ucf54\ub4dc\uc778\uc9c0 \ud655\uc778\ud558\uc5ec \uc62c\ubc14\ub978 \uacb0\uc815\uc744 \ud1b5\ud574 \ucf54\ub4dc\ub97c \ucd5c\uc801\ud654 \ud55c\ub2e4. \uadf8\ub807\uae30 \ub54c\ubb38\uc5d0 \ucf54\ub4dc\ub97c \uc0dd\uc131\ud558\uace0 \ubc30\uc5f4\uc744 \ucd08\uae30\ud654\ud558\ub294 \uc624\ubc84\ud5e4\ub4dc \ube44\uc6a9\uc744 \ud68c\ud53c<\/strong>\ud560 \uc218 \uc788\ub3c4\ub85d \ub3d5\ub294\ub2e4.\u00a0<\/p>\n
     <\/p>\n