{"id":177,"date":"2018-04-08T14:41:48","date_gmt":"2018-04-08T05:41:48","guid":{"rendered":"http:\/\/www.charlezz.com\/?p=177"},"modified":"2018-04-08T14:41:48","modified_gmt":"2018-04-08T05:41:48","slug":"aac-viewmodel-%ec%9d%98%ec%97%ad","status":"publish","type":"post","link":"https:\/\/charlezz.com\/?p=177","title":{"rendered":"AAC &#8211; ViewModel (\uc758\uc5ed)"},"content":{"rendered":"<h1><a href=\"https:\/\/developer.android.com\/topic\/libraries\/architecture\/viewmodel.html#implement\">Android Arcitecture Component &#8211; ViewModel\u00a0<\/a><\/h1>\n<p>&nbsp;<br \/>\nViewModel \ud074\ub798\uc2a4\ub294 UI \u00a0\uad00\ub828\ub41c \ub370\uc774\ud130\ub97c \uc0dd\uba85\uc8fc\uae30\ub97c \uace0\ub824\ud55c \ubc29\uc2dd\uc73c\ub85c \uc800\uc7a5\ud558\uace0 \uad00\ub9ac\ud558\ub3c4\ub85d \uc124\uacc4 \ub418\uc5b4\uc788\uc2b5\ub2c8\ub2e4.<br \/>\nViewModel \ud074\ub798\uc2a4\ub97c \uc0ac\uc6a9\ud558\uba74 \ud654\uba74 \ud68c\uc804\uacfc \uac19\uc740 \uad6c\uc131 \ubcc0\uacbd \uc0ac\ud56d\uc5d0\ub3c4 \ub370\uc774\ud130\uac00 \uadf8\ub300\ub85c \uc720\uc9c0 \ub41c\ub2e4.<br \/>\nNote :\u00a0ViewModel\uc744 \uc548\ub4dc\ub85c\uc774\ub4dc \ud504\ub85c\uc81d\ud2b8\ub85c \uac00\uc838\uc624\ub824\uba74 \ud504\ub85c\uc81d\ud2b8\uc5d0 AAC \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \ucd94\uac00\ud574\uc57c\ud569\ub2c8\ub2e4.<br \/>\n\uc548\ub4dc\ub85c\uc774\ub4dc \ud504\ub808\uc784\uc6cc\ud06c\ub294 \uc561\ud2f0\ube44\ud2f0\uc640 \ud504\ub808\uadf8\uba3c\ud2b8 \uac19\uc740 UI \ucee8\ud2b8\ub864\ub7ec\uc758 \uc0dd\uba85\uc8fc\uae30\ub97c \uad00\ub9ac\ud569\ub2c8\ub2e4. \ud504\ub808\uc784\uc6cc\ud06c\ub294 \uc0ac\uc6a9\uc790\uc758 \uc561\uc158 \ub610\ub294 \ub514\ubc14\uc774\uc2a4\uc758 \ud2b9\uc815 \uc774\ubca4\ud2b8\uc5d0\uc11c \uc0ac\uc6a9\uc790\uc758 \uc81c\uc5b4\ub97c \ubc97\uc5b4\ub098 UI \ucee8\ud2b8\ub864\ub7ec\ub97c \uc7ac\uc0dd\uc131\ud558\uac70\ub098 \ud30c\uad34\ud558\ub294 \uc791\uc5c5\uc744 \ud558\uac8c\ub418\uc8e0.<br \/>\n\ub9cc\uc57d \uc2dc\uc2a4\ud15c\uc774 UI\ucee8\ud2b8\ub864\ub7ec\ub97c \ubd80\uc218\uac70\ub098 \uc7ac\uc0dd\uc131\ud55c\ub2e4\uba74 \uc77c\uc2dc\uc801\uc73c\ub85c UI \uad00\ub828\ub41c \ub370\uc774\ud130\ub4e4\uc740 \uc5c6\uc5b4\uc9c0\uae30 \ub9c8\ub828\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uba74 \uc571\uc5d0\uc11c &#8216;\uce5c\uad6c\ubaa9\ub85d&#8217;\uc744 \ud3ec\ud568\ud558\uace0 \uc788\ub294 \uc561\ud2f0\ube44\ud2f0\uac00 \uc788\ub2e4\uace0 \uce58\uace0, \u00a0\uc561\ud2f0\ube44\ud2f0\uc758 \uc0c1\ud0dc\ubcc0\ud654(\ud654\uba74\ud68c\uc804 \ub4f1)\ub85c \uc778\ud574 \uc561\ud2f0\ube44\ud2f0\uac00 \ub2e4\uc2dc \uc7ac\uc0dd\uc131 \ub418\ub294 \uacbd\uc6b0\uc5d0\ub294 \uc0c8\ub85c\uc6b4 \uc561\ud2f0\ube44\ud2f0\ub294 &#8216;\uce5c\uad6c\ubaa9\ub85d&#8217;\uc744 \ub2e4\uc2dc \uac00\uc838\uc640\uc57c\ub9cc \ud55c\ub2e4. \ub2e8\uc21c\ud55c \ub370\uc774\ud130\uc758 \uacbd\uc6b0\uc5d0\ub294 onSaveInstanceState()\ub97c \uc0ac\uc6a9\ud574\uc11c \ud574\ub2f9\ub370\uc774\ud130\ub97c \ubc88\ub4e4\ub85c\ubd80\ud130 \ubcf5\uc6d0 \ud560 \uc218 \uc788\uc9c0\ub9cc \uc774 \ubc29\ubc95\uc740 \uc9c1\ub82c\ud654 \ud560 \uc218 \uc788\ub294 \uc18c\ub7c9\uc758 \ub370\uc774\ud130\uc5d0\ub9cc \uc801\ud569\ud558\uba70 \uc7a0\uc7ac\uc801\uc73c\ub85c \ub9ce\uc740 \uc591\uc758 \ub370\uc774\ud130(\uce5c\uad6c\ubaa9\ub85d, \ube44\ud2b8\ub9f5 \ub4f1) \uc5d0\ub294 \uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<br \/>\n\ub610 \ub2e4\ub978 \ubb38\uc81c\uc810\uc740 UI \ucee8\ud2b8\ub864\ub7ec\uac00 \ube44\ub3d9\uae30 \ud638\ucd9c\uc744 \uc790\uc8fc \ub9cc\ub4e4\uc5b4\uc11c \ubc18\ud658\ud558\ub294 \ub370 \uc2dc\uac04\uc774 \uac78\ub9b4 \uc218 \uc788\ub2e4\ub294 \uac83\uc778\ub370, UI \ucee8\ud2b8\ub864\ub7ec\ub294 \uc774\ub7ec\ud55c \ud638\ucd9c\uc744 \uad00\ub9ac\ud558\uace0 \uc7a0\uc7ac\uc801\uc778 \uba54\ubaa8\ub9ac \ub204\uc218\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 UI\ucee8\ud2b8\ub864\ub7ec\uac00 \ud30c\uad34\ub41c \ud6c4\uc5d0\ub294 \uc2dc\uc2a4\ud15c\uc744 \uc815\ub9ac\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774 \uad00\ub9ac\uc5d0\ub294 \ub9ce\uc740 \uc720\uc9c0\ubcf4\uc218\uac00 \ud544\uc694\ud558\uace0 \uad6c\uc131\ubcc0\uacbd\uc744 \uc704\ud574 \uac1d\uccb4\uac00 \ub2e4\uc2dc \ub9cc\ub4e4\uc5b4\uc9c0\ub294 \uacbd\uc6b0 \uac1d\uccb4\uc5d0 \uc774\ubbf8 \ub9cc\ub4e0\ub0b4\uc6a9\uc744 \ub2e4\uc2dc \ub9cc\ub4e4\uc5b4\uc57c\ud558\uae30 \ub54c\ubb38\uc5d0 \ub9ac\uc18c\uc2a4\uac00 \ub0ad\ube44 \ub429\ub2c8\ub2e4.<br \/>\n\uc561\ud2f0\ube44\ud2f0\ub098 \ud504\ub808\uadf8\uba3c\ud2b8\uc640 \uac19\uc740 UI \ucee8\ud2b8\ub864\ub7ec\ub4e4\uc740 \uc8fc\ub85c UI\ub370\uc774\ud130\ub97c \ubcf4\uc5ec\uc8fc\uac70\ub098 \uc0ac\uc6a9\uc790\uc5d0 \ubc18\uc751\ud558\uac70\ub098 \ub610\ub294 \ub7f0\ud0c0\uc784 \ud37c\ubbf8\uc158 \uc694\uccad \ub2e4\uc774\uc5bc\ub85c\uadf8\uc640 \uac19\uc740 \uc6b4\uc601\uccb4\uc81c\uc640 \uc0c1\ud638\uc791\uc6a9\uc744 \ub2e4\ub8e8\uae30\ub3c4 \ud569\ub2c8\ub2e4. \u00a0UI\ucee8\ud2b8\ub864\ub7ec\uac00 DB\ub098 \ub124\ud2b8\uc6cc\ud06c \uc791\uc5c5\ub4e4\uc744 \ud558\uba74 \ucf54\ub4dc\ub7c9\uc774 \uc561\ud2f0\ube44\ud2f0\ub098 \ud504\ub808\uadf8\uba3c\ud2b8\uc5d0 \uce58\uc911\ub418\uac8c \ub418\ub294\ub370, UI\ucee8\ud2b8\ub864\ub7ec\uc5d0 \uacfc\ub3c4\ud558\uac8c \ucf54\ub4dc\uac00 \ub9ce\uc544\uc9c0\uba74 \ub2e4 \ud55c\ud074\ub798\uc2a4\uc5d0\uc11c \ubaa8\ub4e0\uc791\uc5c5\uc744 \uc2a4\uc2a4\ub85c \ub2e4 \ucc98\ub9ac\ud558\uac8c \ub429\ub2c8\ub2e4. \uc774\ub807\uac8c\u00a0<strong>\ud074\ub798\uc2a4 \ud558\ub098\uac00 \uac70\ub300\ud574\uc9c0\uba74 \ud14c\uc2a4\ud2b8\ud558\uae30\ub3c4 \uadf8\ub9cc\ud07c \ud798\ub4e4\uc5b4\uc9c4\ub2e4.<\/strong><br \/>\nUI\ucee8\ud2b8\ub864\ub7ec\uc5d0\uc11c \ubdf0 \ub370\uc774\ud130 \uc18c\uc720\ub97c \ubd84\ub9ac\ud558\ub294\uac83\uc774 \ud6e8\uc52c \uc27d\uace0 \ud6a8\uc728\uc801\uc778 \uc571 \ub9cc\ub4e4\uae30 \ub610\ub294 \ud14c\uc2a4\ud2b8\uac00 \ub420\uac83\uc774\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Android Arcitecture Component &#8211; ViewModel\u00a0 &nbsp; ViewModel \ud074\ub798\uc2a4\ub294 UI \u00a0\uad00\ub828\ub41c \ub370\uc774\ud130\ub97c \uc0dd\uba85\uc8fc\uae30\ub97c \uace0\ub824\ud55c \ubc29\uc2dd\uc73c\ub85c \uc800\uc7a5\ud558\uace0 \uad00\ub9ac\ud558\ub3c4\ub85d \uc124\uacc4 \ub418\uc5b4\uc788\uc2b5\ub2c8\ub2e4. ViewModel \ud074\ub798\uc2a4\ub97c \uc0ac\uc6a9\ud558\uba74 \ud654\uba74 \ud68c\uc804\uacfc \uac19\uc740 \uad6c\uc131 \ubcc0\uacbd \uc0ac\ud56d\uc5d0\ub3c4 \ub370\uc774\ud130\uac00 \uadf8\ub300\ub85c \uc720\uc9c0 \ub41c\ub2e4. Note :\u00a0ViewModel\uc744 \uc548\ub4dc\ub85c\uc774\ub4dc \ud504\ub85c\uc81d\ud2b8\ub85c \uac00\uc838\uc624\ub824\uba74 \ud504\ub85c\uc81d\ud2b8\uc5d0 AAC \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \ucd94\uac00\ud574\uc57c\ud569\ub2c8\ub2e4. \uc548\ub4dc\ub85c\uc774\ub4dc \ud504\ub808\uc784\uc6cc\ud06c\ub294 \uc561\ud2f0\ube44\ud2f0\uc640 \ud504\ub808\uadf8\uba3c\ud2b8 \uac19\uc740 UI \ucee8\ud2b8\ub864\ub7ec\uc758 \uc0dd\uba85\uc8fc\uae30\ub97c \uad00\ub9ac\ud569\ub2c8\ub2e4. \ud504\ub808\uc784\uc6cc\ud06c\ub294 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[16],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts\/177"}],"collection":[{"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=177"}],"version-history":[{"count":0,"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts\/177\/revisions"}],"wp:attachment":[{"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=177"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=177"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=177"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}