{"id":27381,"date":"2019-11-07T16:42:57","date_gmt":"2019-11-07T07:42:57","guid":{"rendered":"https:\/\/www.charlezz.com\/?p=27381"},"modified":"2020-01-29T11:43:11","modified_gmt":"2020-01-29T02:43:11","slug":"view-binding-%ec%82%b4%ed%8e%b4%eb%b3%b4%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/charlezz.com\/?p=27381","title":{"rendered":"View Binding\u00a0\uc0b4\ud3b4\ubcf4\uae30"},"content":{"rendered":"<h3 name=\"1e48\" class=\"graf graf--h3\">View Binding\uc774\ub780?<\/h3>\n<p name=\"41cd\" class=\"graf graf--p\">\ubdf0 \ubc14\uc778\ub529(View Binding) \uc740 \ubdf0\uc640 \uc0c1\ud638 \uc791\uc6a9\ud558\ub294 \ucf54\ub4dc\ub97c\ubcf4\ub2e4 \uc27d\uac8c \u200b\u200b\uc791\uc131\ud560 \uc218\uc788\ub294 \uae30\ub2a5\uc785\ub2c8\ub2e4. \ubaa8\ub4c8\uc758 build.gradle\uc5d0\uc11c \ubdf0 \ubc14\uc778\ub529 \uc18d\uc131\uc774 \ud65c\uc131\ud654\ub418\uba74 \ud574\ub2f9 \ubaa8\ub4c8\uc5d0\uc788\ub294 \uac01 XML \ub808\uc774\uc544\uc6c3 \ud30c\uc77c\uc5d0 \ub300\ud55c \ubc14\uc778\ub529 \ud074\ub798\uc2a4\uac00 \uc790\ub3d9\uc73c\ub85c \uc0dd\uc131\ub429\ub2c8\ub2e4. \ubc14\uc778\ub529 \ud074\ub798\uc2a4 \uc778\uc2a4\ud134\uc2a4\uc5d0\ub294 \ud574\ub2f9 \ub808\uc774\uc544\uc6c3\uc5d0 ID\uac00 \uc788\ub294 \ubaa8\ub4e0 \ubdf0\uc5d0 \ub300\ud574 \uc9c1\uc811\uc801\uc73c\ub85c \ucc38\uc870\ub429\ub2c8\ub2e4.<\/p>\n<p name=\"36da\" class=\"graf graf--p\">\ub300\ubd80\ubd84 \uacbd\uc6b0\uc5d0 \uc788\uc5b4, \ubdf0 \ubc14\uc778\ub529\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc73c\ub85c findViewById \uba54\uc11c\ub4dc\ub97c \ub300\uccb4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3 name=\"f08f\" class=\"graf graf--h3\">ViewBinding \uc124\uc815\ud558\uae30<\/h3>\n<blockquote name=\"6ea4\" class=\"graf graf--blockquote\">\n<p>\ubdf0\ubc14\uc778\ub529\uc740 Android Studio 3.6\ubd80\ud130 \uc0ac\uc6a9\uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n<p name=\"89e4\" class=\"graf graf--p\">\ubdf0 \ubc14\uc778\ub529\uc740 \uac01 \ubaa8\ub4c8\ubcc4\ub85c \ud65c\uc131\ud654\ub429\ub2c8\ub2e4. \ubaa8\ub4c8\uc5d0\uc11c \ubdf0 \ubc14\uc778\ub529\uc744 \uc0ac\uc6a9\ud558\ub824\uba74 \ub2e4\uc74c \uc608\uc81c\uc640 \uac19\uc774 viewBinding \uc694\uc18c\ub97c build.gradle \ud30c\uc77c\uc5d0 \ucd94\uac00\ud558\uc2ed\uc2dc\uc624.<\/p>\n<pre name=\"1e03\" class=\"graf graf--pre\"><code class=\"markup--code markup--pre-code\">android {\r\n    ...\r\n    viewBinding {\r\n        enabled = true\r\n    }\r\n}<\/code><\/pre>\n<p name=\"feea\" class=\"graf graf--p\">\ubc14\uc778\ub529 \ud074\ub798\uc2a4\ub97c \uc0dd\uc131\ud558\ub294 \ub3d9\uc548 \ub808\uc774\uc544\uc6c3 \ud30c\uc77c\uc744 \ubb34\uc2dc\ud558\ub824\uba74\u00a0<br \/>\ntools\u00a0: viewBindingIgnore = \u201ctrue\u201d \uc18d\uc131\uc744 \ud574\ub2f9 \ub808\uc774\uc544\uc6c3 \ud30c\uc77c\uc758 \ucd5c\uc0c1\ub2e8 \ub8e8\ud2b8 \ubdf0\uc5d0\ucd94\uac00\ud558\uc2ed\uc2dc\uc624.<\/p>\n<pre name=\"7588\" class=\"graf graf--pre\"><code class=\"markup--code markup--pre-code\">&lt;LinearLayout\r\n        ...\r\n        tools:viewBindingIgnore=\"true\" &gt;\r\n    ...\r\n&lt;\/LinearLayout&gt;<\/code><\/pre>\n<h3 name=\"a31e\" class=\"graf graf--h3\">ViewBinding \uc0ac\uc6a9\ubc95<\/h3>\n<p name=\"6efb\" class=\"graf graf--p\">\ubaa8\ub4c8\uc5d0 \ub300\ud574 \ubdf0 \ubc14\uc778\ub529\uc744 \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0, \ud3ec\ud568\ub41c\u00a0<\/p>\n<p name=\"6efb\" class=\"graf graf--p\">\uac01 XML \ub808\uc774\uc544\uc6c3 \ud30c\uc77c\uc5d0 \ub300\ud574 \ubc14\uc778\ub529 \ud074\ub798\uc2a4\uac00 \uc0dd\uc131\ub429\ub2c8\ub2e4. \uac01 \ubc14\uc778\ub529 \ud074\ub798\uc2a4\uc5d0\ub294 \ub8e8\ud2b8\ubdf0 \ubc0f ID\uac00\uc788\ub294 \ubaa8\ub4e0 \ubdf0\uc5d0 \ub300\ud55c \ucc38\uc870\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. \ubc14\uc778\ub529 \ud074\ub798\uc2a4\uc758 \uc774\ub984\uc740 XML \ud30c\uc77c\uc758 \uc774\ub984\uc744 Camel case\ub85c \ubcc0\ud658\ud558\uace0 \uc811\ubbf8\uc5b4 \u201cBinding\u201d\uc774 \ucd94\uac00\ub429\ub2c8\ub2e4.\u00a0<\/p>\n<p name=\"726f\" class=\"graf graf--p\">\uc608\ub97c \ub4e4\uc5b4 result_profile.xml\uc774\ub77c\ub294 \ub808\uc774\uc544\uc6c3 \ud30c\uc77c\uc774 \uc544\ub798\uc640 \uac19\uc774 \uc788\ub2e4\uba74,<\/p>\n<pre name=\"0529\" class=\"graf graf--pre\"><code class=\"markup--code markup--pre-code\">&lt;LinearLayout ... &gt;\r\n    &lt;TextView android:id=\"@+id\/name\" \/&gt;\r\n    &lt;ImageView android:cropToPadding=\"true\" \/&gt;\r\n    &lt;Button android:id=\"@+id\/button\"\r\n        android:background=\"@drawable\/rounded_button\" \/&gt;\r\n&lt;\/LinearLayout&gt;<\/code><\/pre>\n<p name=\"60d0\" class=\"graf graf--p\">\uc0dd\uc131\ub418\ub294 \ubc14\uc778\ub529 \ud074\ub798\uc2a4\uc758 \uc774\ub984\uc740 ResultProfileBinding\uac00 \ub429\ub2c8\ub2e4. \uc774 \ud074\ub798\uc2a4\uc5d0\ub294 name\uc774\ub77c\ub294 ID\ub97c \uac16\ub294 TextView\uc640 button\uc774\ub77c\ub294 ID\ub97c \uac16\ub294 Button \ud544\ub4dc\ub97c \uac16\uc2b5\ub2c8\ub2e4. \ub808\uc774\uc544\uc6c3\uc758 ImageView\uc5d0\ub294 ID\uac00 \uc5c6\uc73c\ubbc0\ub85c \ubc14\uc778\ub529 \ud074\ub798\uc2a4\uc5d0 \ub300\ud55c \ucc38\uc870\uac00 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n<p name=\"0f49\" class=\"graf graf--p\">\ubaa8\ub4e0 \ubc14\uc778\ub529 \ud074\ub798\uc2a4\uc5d0\ub294 \ud574\ub2f9 \ub808\uc774\uc544\uc6c3 \ud30c\uc77c\uc758 \ub8e8\ud2b8\ubdf0\uc5d0 \ub300\ud55c \uc9c1\uc811 \ucc38\uc870\ub97c \uc81c\uacf5\ud558\ub294 getRoot() \uba54\uc18c\ub4dc\ub3c4 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc608\uc81c\uc5d0\uc11c ResultProfileBinding \ud074\ub798\uc2a4\uc758 getRoot() \uba54\uc18c\ub4dc\ub294 LinearLayout \ub8e8\ud2b8\ubcf4\uae30\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4.<\/p>\n<p name=\"e02a\" class=\"graf graf--p\">\uc0dd\uc131\ub41c \ubc14\uc778\ub529 \ud074\ub798\uc2a4\uc758 \uc778\uc2a4\ud134\uc2a4\ub97c \uc5bb\uc73c\ub824\uba74 \uc815\uc801 inflate() \uba54\uc18c\ub4dc\ub97c \ud638\ucd9c\ud558\uc2ed\uc2dc\uc624. \uc77c\ubc18\uc801\uc73c\ub85c setContentView()\ub97c \ud638\ucd9c\ud558\uc5ec \ud074\ub798\uc2a4\uc758 \ub8e8\ud2b8\ubdf0\ub97c \ub9e4\uac1c \ubcc0\uc218\ub85c \uc804\ub2ec\ud558\uc5ec \ud654\uba74\uc5d0\uc11c \ud65c\uc131\ud654\ub41c \ubdf0\ub85c \ub9cc\ub4ed\ub2c8\ub2e4. \uc544\ub798\uc758 \uc608\uc81c\uc5d0\uc11c\ub294 \uc561\ud2f0\ube44\ud2f0\uc5d0\uc11c ResultProfileBinding.inflate()\ub97c \ud638\ucd9c\ud558\uace0, setContentView\uc5d0 \ub8e8\ud2b8\ubdf0\ub97c \uc801\uc6a9\ud558\ub294 \uc608\uc81c\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n<pre name=\"8477\" class=\"graf graf--pre\"><code class=\"markup--code markup--pre-code\">private lateinit var binding: ResultProfileBinding\r\n\r\n@Override\r\nfun onCreate(savedInstanceState: Bundle) {\r\n    super.onCreate(savedInstanceState)\r\n    binding = ResultProfileBinding.inflate(layoutInflater)\r\n    setContentView(binding.root)\r\n}<\/code><\/pre>\n<p name=\"f596\" class=\"graf graf--p\">\ubc14\uc778\ub529 \ud074\ub798\uc2a4\uc758 \uc778\uc2a4\ud134\uc2a4\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubaa8\ub4e0 \ubdf0\ub97c \ucc38\uc870 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<pre name=\"b8e5\" class=\"graf graf--pre\"><code class=\"markup--code markup--pre-code\">binding.name.text = viewModel.name\r\nbinding.button.setOnClickListener { viewModel.userClicked() }<\/code><\/pre>\n<h3 name=\"67cb\" class=\"graf graf--h3\">findViewById\uc640\uc758 \ucc28\uc774\uc810<\/h3>\n<p><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2019\/11\/giphy.gif\" alt=\"\" width=\"478\" height=\"392\" class=\"aligncenter size-full wp-image-27499\" \/><\/p>\n<p name=\"3e59\" class=\"graf graf--p\">\ubdf0 \ubc14\uc778\ub529\uc740 findViewById\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\ubcf4\ub2e4 \uc911\uc694\ud55c \uc7a5\uc810\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4.\u00a0<\/p>\n<ul class=\"postList\">\n<li name=\"14ca\" class=\"graf graf--li\">Null safety: \ubdf0 \ubc14\uc778\ub529\uc740 \ubdf0\uc5d0 \ub300\ud55c \uc9c1\uc811 \ucc38\uc870\ub97c \uc0dd\uc131\ud558\ubbc0\ub85c \uc798\ubabb\ub41c \ubdf0 ID\ub85c \uc778\ud574 NPE(Null Pointer Exception)\ubc1c\uc0dd\ud560 \uc704\ud5d8\uc774 \uc5c6\uc2b5\ub2c8\ub2e4. \ub610\ud55c \ubdf0\uac00 \ub808\uc774\uc544\uc6c3\uc758 \uc77c\ubd80 \uad6c\uc131\uc5d0\ub9cc\uc788\ub294 \uacbd\uc6b0 \ubc14\uc778\ub529 \ud074\ub798\uc2a4\uc5d0 \ud574\ub2f9 \ucc38\uc870\uac00 \ud3ec\ud568 \ub41c \ud544\ub4dc\ub294 @Nullable\ub85c \ud45c\uc2dc\ub429\ub2c8\ub2e4.\u00a0<\/li>\n<li name=\"80c8\" class=\"graf graf--li\">Type safety: \uac01 \ubc14\uc778\ub529 \ud074\ub798\uc2a4\uc758 \ud544\ub4dc\uc5d0\ub294 XML \ud30c\uc77c\uc5d0\uc11c \ucc38\uc870\ud558\ub294 \ubdf0\uc640 \uc77c\uce58\ud558\ub294 \ud0c0\uc785\uc744 \uac16\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uac83\uc740 \ud074\ub798\uc2a4\ub97c \uce90\uc2a4\ud305\ud560 \ub54c \ubc1c\uc0dd\ud560\uc218 \uc788\ub294 \uc624\ub958\uac00 \uc5c6\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.\u00a0<\/li>\n<\/ul>\n<p name=\"89b1\" class=\"graf graf--p\">\ub808\uc774\uc544\uc6c3 \ud30c\uc77c\uacfc \uc2e4\uc81c \uc790\ubc14\/\ucf54\ud2c0\ub9b0 \ucf54\ub4dc\uac04\uc5d0 \uc77c\uce58\ud558\uc9c0 \uc54a\uc544 \ubc1c\uc0dd\ud558\ub294 \ubb38\uc81c\uac00 \ub7f0\ud0c0\uc784\uc774 \uc544\ub2cc \ucef4\ud30c\uc77c\ud0c0\uc784\uc5d0 \ubc1c\uc0dd\ud558\uae30 \ub54c\ubb38\uc5d0 \ub354 \ube60\ub974\uac8c \uc5d0\ub7ec\ub97c \uc7a1\uace0, \uac1c\ubc1c\uc790\ub294\uc0dd\uc0b0\uc131\uc744 \ub298\ub9b4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3 name=\"1f55\" class=\"graf graf--h3\">Data binding\uacfc View binding\uc758\u00a0\ucc28\uc774<\/h3>\n<p name=\"f312\" class=\"graf graf--p\">\ubdf0 \ubc14\uc778\ub529\uacfc \ub370\uc774\ud130 \ubc14\uc778\ub529 \ub77c\uc774\ube0c\ub7ec\ub9ac \ub458\ub2e4 \ubdf0\ub97c \uc9c1\uc811 \ucc38\uc870\ud558\ub294 \ubc14\uc778\ub529 \ud074\ub798\uc2a4\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc8fc\ubaa9\ud560\ub9cc\ud55c \ucc28\uc774\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4.\u00a0<\/p>\n<ul class=\"postList\">\n<li name=\"519e\" class=\"graf graf--li\">\ub370\uc774\ud130 \ubc14\uc778\ub529 \ub77c\uc774\ube0c\ub7ec\ub9ac\ub294 &lt;layout&gt; \ud0dc\uadf8\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub9cc\ub4e0 \ub808\uc774\uc544\uc6c3\ub9cc \ucc98\ub9ac\ud569\ub2c8\ub2e4.\u00a0<\/li>\n<li name=\"6bef\" class=\"graf graf--li\">\ubdf0 \ubc14\uc778\ub529\uc740 \ub808\uc774\uc544\uc6c3 \ubcc0\uc218 \ub610\ub294 \ub808\uc774\uc544\uc6c3 \ud45c\ud604\uc2dd\uc744 \uc9c0\uc6d0\ud558\uc9c0 \uc54a\uc73c\ubbc0\ub85c XML\uc758 \ub370\uc774\ud130\uc640 \ub808\uc774\uc544\uc6c3\uc744 \ubc14\uc778\ub529\ud558\ub294 \ub370 \uc0ac\uc6a9\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/li>\n<li name=\"3584\" class=\"graf graf--li\">\ub0b4\ubd80\uc801\uc73c\ub85c \ub370\uc774\ud130 \ubc14\uc778\ub529 \ud074\ub798\uc2a4\ub97c \uc0dd\uc131\ud560\ub54c \ub8e8\ud2b8\ubdf0\uc5d0 tag\ub97c \uc0bd\uc785\ud558\ub294\ub370 \ubdf0\ubc14\uc778\ub529\uc740 \uadf8\ub7f0 \uc791\uc5c5\uc774 \uc5c6\ub2e4.<\/li>\n<li name=\"9742\" class=\"graf graf--li\">\ubdf0\ubc14\uc778\ub529\uc740 \ub370\uc774\ud130\ubc14\uc778\ub529\ubcf4\ub2e4 \uc5b4\ub178\ud14c\uc774\uc158 \ud504\ub85c\uc138\uc2f1\uc758 \uc77c\ubd80\ub97c \uc0ac\uc6a9\ud558\uae30 \ub54c\ubb38\uc5d0 \ub354 \ube60\ub974\uac8c \ubc14\uc778\ub529 \ud074\ub798\uc2a4\ub97c \uc0dd\uc131\ud55c\ub2e4.<\/li>\n<\/ul>\n<p>ViewBinding \uc0d8\ud50c \ud504\ub85c\uc81d\ud2b8\ub294 <a href=\"https:\/\/github.com\/android\/architecture-components-samples\">architecture-components-sample<\/a>\uc5d0\uc11c \ud655\uc778 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>View Binding\uc774\ub780? \ubdf0 \ubc14\uc778\ub529(View Binding) \uc740 \ubdf0\uc640 \uc0c1\ud638 \uc791\uc6a9\ud558\ub294 \ucf54\ub4dc\ub97c\ubcf4\ub2e4 \uc27d\uac8c \u200b\u200b\uc791\uc131\ud560 \uc218\uc788\ub294 \uae30\ub2a5\uc785\ub2c8\ub2e4. \ubaa8\ub4c8\uc758 build.gradle\uc5d0\uc11c \ubdf0 \ubc14\uc778\ub529 \uc18d\uc131\uc774 \ud65c\uc131\ud654\ub418\uba74 \ud574\ub2f9 \ubaa8\ub4c8\uc5d0\uc788\ub294 \uac01 XML \ub808\uc774\uc544\uc6c3 \ud30c\uc77c\uc5d0 \ub300\ud55c \ubc14\uc778\ub529 \ud074\ub798\uc2a4\uac00 \uc790\ub3d9\uc73c\ub85c \uc0dd\uc131\ub429\ub2c8\ub2e4. \ubc14\uc778\ub529 \ud074\ub798\uc2a4 \uc778\uc2a4\ud134\uc2a4\uc5d0\ub294 \ud574\ub2f9 \ub808\uc774\uc544\uc6c3\uc5d0 ID\uac00 \uc788\ub294 \ubaa8\ub4e0 \ubdf0\uc5d0 \ub300\ud574 \uc9c1\uc811\uc801\uc73c\ub85c \ucc38\uc870\ub429\ub2c8\ub2e4. \ub300\ubd80\ubd84 \uacbd\uc6b0\uc5d0 \uc788\uc5b4, \ubdf0 \ubc14\uc778\ub529\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc73c\ub85c [&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\/27381"}],"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=27381"}],"version-history":[{"count":5,"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts\/27381\/revisions"}],"predecessor-version":[{"id":43929,"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts\/27381\/revisions\/43929"}],"wp:attachment":[{"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=27381"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=27381"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=27381"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}