{"id":1382,"date":"2019-07-23T20:47:38","date_gmt":"2019-07-23T11:47:38","guid":{"rendered":"https:\/\/www.charlezz.com\/?p=1382"},"modified":"2019-07-23T20:47:38","modified_gmt":"2019-07-23T11:47:38","slug":"linearsnaphelper-%eb%a7%88%ec%a7%80%eb%a7%89-%ec%95%84%ec%9d%b4%ed%85%9c%ec%9d%b4-snap-%eb%90%98%ec%a7%80-%ec%95%8a%eb%8a%94%eb%8b%a4%eb%a9%b4","status":"publish","type":"post","link":"https:\/\/charlezz.com\/?p=1382","title":{"rendered":"LinearSnapHelper \ub9c8\uc9c0\ub9c9 \uc544\uc774\ud15c\uc774 snap \ub418\uc9c0 \uc54a\ub294\ub2e4\uba74..?"},"content":{"rendered":"<p><a href=\"https:\/\/www.charlezz.com\/?attachment_id=1383\" rel=\"attachment wp-att-1383\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2019\/07\/PX3vR.gif\" alt=\"\" width=\"480\" height=\"278\" class=\"aligncenter size-full wp-image-1383\" \/><\/a><\/p>\n<p>\uae30\ud68d\uc790\uc758 \uc694\uad6c\uc0ac\ud56d\uc740 \ub2e4\uc74c\uacfc \uac19\uc558\ub2e4.<\/p>\n<ul>\n<li>\uccab\ubc88\uc9f8 \uc544\uc774\ud15c\uc740 RecyclerView \uc67c\ucabd\ud3b8\uc5d0 snap\ub418\uc5b4\uc57c\ud560 \uac83<\/li>\n<li>\ub9c8\uc9c0\ub9c9 \uc544\uc774\ud15c\uc740 RecyclerView \uc624\ub978\ucabd\ud3b8\uc5d0 snap\ub418\uc5b4\uc57c\ud560 \uac83<\/li>\n<li>\uccab\ubc88\uc9f8\uc640 \ub9c8\uc9c0\ub9c9 \uc544\uc774\ud15c\uc744 \uc81c\uc678\ud558\uace0\ub294 \uc544\uc774\ud15c\ubdf0\uc758 \uc911\uc559\uc744 \uae30\uc900\uc73c\ub85c RecyclerView \uc911\uc559\uc5d0 \uc2a4\ub0c5\ub418\ub3c4\ub85d \ubc30\uce58 \ud560 \uac83<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>SnapHelper\ub97c \uc0ac\uc6a9\ud558\uba74\ub418\uaca0\uad6c\ub098!<\/p>\n<p>PagerSnapHelper\ub97c \uc0ac\uc6a9\ud558\ub2c8 \ud55c\ud398\uc774\uc9c0 \ub2e8\uc704\ub85c\ub9cc snap\ub418\ubbc0\ub85c RecyclerView\ub0b4\uc5d0 2\uac1c \uc774\uc0c1 Completely Visible \uc544\uc774\ud15c\uc774 \ubcf4\uc774\ub294\uacbd\uc6b0\ub294 snap \uc81c\ub300\ub85c \uc2a4\ub0c5 \ub418\uc9c0 \uc54a\uc558\ub2e4. \uc608\ub97c \ub4e4\uba74 \ud3f0\uc5d0\uc11c\ub294 \uad1c\ucc2e\uc740\ub370 \ud14c\ube14\ub9bf\uc5d0\uc11c\ub294 \ubb38\uc81c\uac00 \ub420 \uc218 \uc788\ub294\uac83\uc774\ub2e4.<\/p>\n<p>\uadf8\ub807\ub2e4\uba74 LinearSnapHelper\ub2e4.<\/p>\n<p>LinearSnapHelper\ub294 \uc544\uc774\ud15c\ubdf0\uc758 \uc911\uc559\uc744 \uae30\uc900\uc73c\ub85c RecyclerView\uc758 \uc911\uc559\uc5d0 \ubc30\uce58\ud558\uace0, \uccab\ubc88\uc9f8 \uc544\uc774\ud15c\uc740 RecyclerView\uc758 \uc67c\ucabd\uc5d0 \uc798 snap\ub418\uc5c8\ub2e4. \uc798 \ub418\ub294\uac00 \uc2f6\ub354\ub2c8 \ub450\ubc88\uc9f8 \uc694\uad6c\uc0ac\ud56d\uc778 \ub9c8\uc9c0\ub9c9 \uc544\uc774\ud15c\uc758 snap\uc774 \ub9d0\uc37d\uc774\uc600\ub2e4. LinearSnapHelper\uc758 \uacbd\uc6b0 \uc544\uc774\ud15c\ubdf0\uc758 \uc911\uc559\uc744 \uae30\uc900\uc73c\ub85c \ubc30\uce58\ud558\uae30 \ub54c\ubb38\uc5d0 \ub9c8\uc9c0\ub9c9 \uc544\uc774\ud15c\ubdf0\uac00 RecyclerView\uc758 \uc911\uc559\uae4c\uc9c0 \uc2a4\ud06c\ub864\ub418\uc9c0 \uc54a\ub294\ub2e4\uba74 snap\ub418\uc9c0 \uc54a\ub294\uac83\uc774\uc600\ub2e4.<\/p>\n<p>\uacb0\uad6d LinearSnapHelper\ub97c \ucee4\uc2a4\ud130\ub9c8\uc774\uc9d5\ud574\uc57c\ud55c\ub2e4.<\/p>\n<pre class=\"lang:java decode:true \">@Nullable\r\nprivate View findCenterView(RecyclerView.LayoutManager layoutManager, OrientationHelper helper) {\r\n    if (layoutManager instanceof LinearLayoutManager) {\r\n        LinearLayoutManager llm = (LinearLayoutManager) layoutManager;\r\n        if (llm.findFirstCompletelyVisibleItemPosition() == 0) { \/\/\uccab\ubc88\uc9f8 \uc544\uc774\ud15c\uc740 \uadf8\ub0e5 \ubb34\uc2dc\r\n            return llm.getChildAt(0);\r\n        } else if (llm.findLastCompletelyVisibleItemPosition() == layoutManager.getItemCount() - 1) {\r\n            \/\/\uc2a4\ud06c\ub864\uc5d0 \uc758\ud574 \ub9c8\uc9c0\ub9c9 \uc544\uc774\ud15c\uc774 \uc644\uc804\ud788 \ubcf4\uc774\uba74 \uc13c\ud130\uac00 \uc544\ub2cc \ub9c8\uc9c0\ub9c9 \uc544\uc774\ud15c\uc744 \uac15\uc81c\ub85c \ud0c0\uac9f\ubdf0\ub85c \uc9c0\uc815\ud55c\ub2e4.\r\n            return llm.getChildAt(layoutManager.getItemCount() - 1);\r\n        }\r\n    }\r\n    ...\r\n}<\/pre>\n<p>LinearLayoutSnapHelper\ub97c \uc0c1\uc18d\ud558\uc5ec findCenterView\uba54\uc18c\ub4dc\uc5d0 \uc704\uc758 \ub0b4\uc6a9\uc744 \ucd94\uac00\ud558\uba74 \ub9c8\uc9c0\ub9c9 \uc544\uc774\ud15c\uc774 \uc624\ub978\ucabd\uc774 \uc798 snap\ub418\ub294\uac83\uc744 \uacbd\ud5d8\ud560 \uc218 \uc788\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uae30\ud68d\uc790\uc758 \uc694\uad6c\uc0ac\ud56d\uc740 \ub2e4\uc74c\uacfc \uac19\uc558\ub2e4. \uccab\ubc88\uc9f8 \uc544\uc774\ud15c\uc740 RecyclerView \uc67c\ucabd\ud3b8\uc5d0 snap\ub418\uc5b4\uc57c\ud560 \uac83 \ub9c8\uc9c0\ub9c9 \uc544\uc774\ud15c\uc740 RecyclerView \uc624\ub978\ucabd\ud3b8\uc5d0 snap\ub418\uc5b4\uc57c\ud560 \uac83 \uccab\ubc88\uc9f8\uc640 \ub9c8\uc9c0\ub9c9 \uc544\uc774\ud15c\uc744 \uc81c\uc678\ud558\uace0\ub294 \uc544\uc774\ud15c\ubdf0\uc758 \uc911\uc559\uc744 \uae30\uc900\uc73c\ub85c RecyclerView \uc911\uc559\uc5d0 \uc2a4\ub0c5\ub418\ub3c4\ub85d \ubc30\uce58 \ud560 \uac83 &nbsp; SnapHelper\ub97c \uc0ac\uc6a9\ud558\uba74\ub418\uaca0\uad6c\ub098! PagerSnapHelper\ub97c \uc0ac\uc6a9\ud558\ub2c8 \ud55c\ud398\uc774\uc9c0 \ub2e8\uc704\ub85c\ub9cc snap\ub418\ubbc0\ub85c RecyclerView\ub0b4\uc5d0 2\uac1c \uc774\uc0c1 Completely Visible \uc544\uc774\ud15c\uc774 \ubcf4\uc774\ub294\uacbd\uc6b0\ub294 snap \uc81c\ub300\ub85c \uc2a4\ub0c5 \ub418\uc9c0 \uc54a\uc558\ub2e4. \uc608\ub97c [&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\/1382"}],"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=1382"}],"version-history":[{"count":1,"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts\/1382\/revisions"}],"predecessor-version":[{"id":1384,"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts\/1382\/revisions\/1384"}],"wp:attachment":[{"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1382"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1382"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}