{"id":44609,"date":"2020-11-27T14:03:20","date_gmt":"2020-11-27T05:03:20","guid":{"rendered":"https:\/\/www.charlezz.com\/?p=44609"},"modified":"2020-11-27T14:03:20","modified_gmt":"2020-11-27T05:03:20","slug":"singleliveevent-%ea%b0%9c%ec%84%a0%ed%95%98%ec%97%ac-%eb%8d%94%eb%b8%94-%ed%81%b4%eb%a6%ad-%eb%b0%a9%ec%a7%80-%ed%95%98%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/charlezz.com\/?p=44609","title":{"rendered":"SingleLiveEvent \uac1c\uc120\ud558\uc5ec \ub354\ube14 \ud074\ub9ad \ubc29\uc9c0 \ud558\uae30!"},"content":{"rendered":"<h1>SingleLiveEvent \uac1c\uc120\ud558\uae30<\/h1>\n<h2>\uac1c\uc694<\/h2>\n<p><a href=\"https:\/\/www.charlezz.com\/?p=1152\">SingleLiveEvent<\/a>\uc5d0 \ub300\ud55c \uc124\uba85\uc740 <a href=\"https:\/\/www.charlezz.com\/?p=1152\">\uc774\uc804 \ud3ec\uc2a4\ud305<\/a>\uc744 \ucc38\uc870\ud558\uc790.<\/p>\n<p>Jetpack \ub77c\uc774\ube0c\ub7ec\ub9ac\uc758 Android Arhitecture Component\uc758 \ub4f1\uc7a5\uc774\ud6c4\ub85c ViewModel\uacfc LiveData\ub97c \uc5f4\uc2ec\ud788 \uc0ac\uc6a9\uc911\uc774\ub2e4. View\uc5d0 \ub300\ud55c ViewModel\uc758 \uc758\uc874\uad00\uacc4\ub97c \uc644\ubcbd\ud558\uac8c \ub04a\uc5b4\ub0c4\uc73c\ub85c\uc368 \uae30\uc874\uc5d0 \uc0ac\uc6a9\ud558\ub358 \uc774\ubca4\ud2b8 \ucc98\ub9ac \ubc29\uc2dd\uc744 \ubcc0\uacbd \ud574\uc57c \ud588\ub2e4.<\/p>\n<p>\uc774\ubca4\ud2b8 \ub9ac\uc2a4\ub108\ub97c \ubdf0\ucee8\ud2b8\ub864\ub7ec(Activity\/Fragment)\uc5d0 \uad6c\ud604\ud558\ub294 \ubc29\uc2dd\uc744 \ub9ce\uc774 \uc0ac\uc6a9\ud588\ub294\ub370, ViewModel\uc740 \uba54\ubaa8\ub9ac \ub204\uc218\ub4f1\uc758 \uc774\uc720\ub85c Context\uc758 \ucc38\uc870\ub97c \uc5c4\uaca9\ud558\uac8c \uae08\uc9c0\ud558\uace0 \uc788\ub2e4. \uadf8\ub7ec\ubbc0\ub85c \ubdf0\ucee8\ud2b8\ub864\ub7ec\uc5d0\uc11c ViewModel\uc774 \uac00\uc9c0\uace0 \uc788\ub294 LiveData\ub97c \uc635\uc800\ube59 \ud558\ub294 \ubc29\uc2dd\uc744 \uc0ac\uc6a9\ud558\uac8c \ub418\uace0, \ub2e8\uc77c \uc774\ubca4\ud2b8\ub97c \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 LiveData\ub97c \ud655\uc7a5\ud55c SingleLiveEvent\ub97c \uc0ac\uc6a9\ud558\uac8c \ub41c\ub2e4.\u00a0<\/p>\n<p>\uc774\ubca4\ud2b8 \ucc98\ub9ac\uc5d0 \ub300\ud55c \ub0b4\uc6a9\uc744 \ub2e4\uc774\uc5b4\uadf8\ub7a8\uc73c\ub85c \ud45c\ud604\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n<p><a href=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2020\/11\/www.charlezz.com-singleliveevent-view-viewmodel---.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.charlezz.com\/wordpress\/wp-content\/uploads\/2020\/11\/www.charlezz.com-singleliveevent-view-viewmodel---.png\" alt=\"\" width=\"2013\" height=\"999\" class=\"aligncenter size-full wp-image-44611\" srcset=\"https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2020\/11\/www.charlezz.com-singleliveevent-view-viewmodel---.png 2013w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2020\/11\/www.charlezz.com-singleliveevent-view-viewmodel----300x149.png 300w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2020\/11\/www.charlezz.com-singleliveevent-view-viewmodel----768x381.png 768w, https:\/\/charlezz.com\/wordpress\/wp-content\/uploads\/2020\/11\/www.charlezz.com-singleliveevent-view-viewmodel----1024x508.png 1024w\" sizes=\"(max-width: 2013px) 100vw, 2013px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<h2>\uac1c\uc120 \ub3d9\uae30<\/h2>\n<p>\uc0ac\uc6a9\uc790\uc758 \ube60\ub978 \ub354\ube14\ud074\ub9ad\uc73c\ub85c \uc778\ud574 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \ubb38\uc81c\ub4e4\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uae30\uc874\uc5d0\ub294 <a href=\"https:\/\/www.charlezz.com\/?p=21509\">DataBindingComponent<\/a>\uacfc RxJava#throttleFirst() \uc5f0\uc0b0\uc790\ub97c \ud65c\uc6a9\ud588\uc5c8\ub2e4. RxJava\ub97c \uc0ac\uc6a9\ud558\uba74 \ubdf0\ucee8\ud2b8\ub864\ub7ec \uc0dd\uba85\uc8fc\uae30\uc5d0 \ub530\ub77c Disposable\uac1d\uccb4\ub97c \ud1b5\ud574 \uba54\ubaa8\ub9ac \uc0c1\uc5d0\uc11c RxJava\uc640 \uad00\ub828\ub41c \ub0b4\uc6a9\ub4e4\uc744 \ud574\uc81c \ud574\uc918\uc57c\ud558\ub294\uac8c \ud56d\uc0c1 \ud5c8\ub4e4\uc774\uc600\ub2e4.\u00a0<\/p>\n<p>SingleLiveEvent\ub97c \uba54\uc778\uc73c\ub85c \uc774\ubca4\ud2b8\ucc98\ub9ac\uc758 \uc8fc\ub41c \uc218\ub2e8\uc73c\ub85c \uc0ac\uc6a9\ud558\ub294 \uc9c0\uae08\uc740 RxJava\uc640 DataBindingComponent\ub97c \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uace0, SingleLiveEvent\uc5d0\uc11c \uac04\ub2e8\ud558\uac8c \ucc98\ub9ac\ud558\uba74 \uc88b\uaca0\ub2e4\ub294 \uc0dd\uac01\uc774 \ub4e4\uc5c8\ub2e4.<\/p>\n<h2>\uac1c\uc120 \ucf54\ub4dc<\/h2>\n<pre class=\"lang: decode:true\">public class SingleLiveEvent&lt;T&gt; extends MutableLiveData&lt;T&gt; {\r\n\r\n    private static final String TAG = \"SingleLiveEvent\";\r\n\r\n    private static final long MIN_CLICK_INTERVAL = 200;\r\n    private long lastClickTime;\r\n\r\n    private final AtomicBoolean mPending = new AtomicBoolean(false);\r\n\r\n    ...\r\n    @MainThread\r\n    public void setValue(@Nullable T t) {\r\n        long currentClickTime = SystemClock.uptimeMillis();\r\n        long elapsedTime = currentClickTime - lastClickTime;\r\n        lastClickTime = currentClickTime;\r\n\r\n        if(elapsedTime &lt;=MIN_CLICK_INTERVAL){\r\n            return;\r\n        }\r\n        mPending.set(true);\r\n        super.setValue(t);\r\n    }\r\n\r\n    ...\r\n}<\/pre>\n<p>\uae30\uc874 SingleLiveEvent\ucf54\ub4dc\uc640 \uac70\uc758 \ub3d9\uc77c\ud558\uba70, \ub9c8\uc9c0\ub9c9 \uc774\ubca4\ud2b8 \ucc98\ub9ac \uc2dc\uac01\uc744 \uae30\ub85d\ud558\uc5ec \ud604\uc7ac\uc2dc\uac04\uacfc \ube44\uad50\ud588\uc744 \ub54c <span>Threshold(\uc784\uacc4\uac12)\uc744 \ucd08\uacfc \ud558\ub294\uc9c0 \ud655\uc778\ud55c \ud6c4 invoke \ud558\ub294 \ub0b4\uc6a9\uc774\ub2e4.<\/span><\/p>\n<p>\ud2b9\ubcc4\ud55c \uac83\uc740 \uc5c6\uc9c0\ub9cc, Databinding\uacfc RxJava\uc5d0 \ub300\ud55c \uc758\uc874\uc131\uc744 \uc81c\uac70 \ud560 \uc218 \uc788\uc5b4 \ub9e4\uc6b0 \ucf8c\uc801\ud574\uc84c\ub2e4.<\/p>\n<p>postValue(T)\ub97c \uc0ac\uc6a9\ud560 \uc218\ub3c4 \uc788\uc9c0\ub9cc, \uc784\uacc4\uac12\uc774 \ubcf4\uc7a5\uc774 \ub418\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc5d0 \uc774\ub7ec\ud55c \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uac00\uc7a5 \ud655\uc2e4\ud55c \ubc29\ubc95\uc774\ub77c\uace0 \uc0dd\uac01\ud55c\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>SingleLiveEvent \uac1c\uc120\ud558\uae30 \uac1c\uc694 SingleLiveEvent\uc5d0 \ub300\ud55c \uc124\uba85\uc740 \uc774\uc804 \ud3ec\uc2a4\ud305\uc744 \ucc38\uc870\ud558\uc790. Jetpack \ub77c\uc774\ube0c\ub7ec\ub9ac\uc758 Android Arhitecture Component\uc758 \ub4f1\uc7a5\uc774\ud6c4\ub85c ViewModel\uacfc LiveData\ub97c \uc5f4\uc2ec\ud788 \uc0ac\uc6a9\uc911\uc774\ub2e4. View\uc5d0 \ub300\ud55c ViewModel\uc758 \uc758\uc874\uad00\uacc4\ub97c \uc644\ubcbd\ud558\uac8c \ub04a\uc5b4\ub0c4\uc73c\ub85c\uc368 \uae30\uc874\uc5d0 \uc0ac\uc6a9\ud558\ub358 \uc774\ubca4\ud2b8 \ucc98\ub9ac \ubc29\uc2dd\uc744 \ubcc0\uacbd \ud574\uc57c \ud588\ub2e4. \uc774\ubca4\ud2b8 \ub9ac\uc2a4\ub108\ub97c \ubdf0\ucee8\ud2b8\ub864\ub7ec(Activity\/Fragment)\uc5d0 \uad6c\ud604\ud558\ub294 \ubc29\uc2dd\uc744 \ub9ce\uc774 \uc0ac\uc6a9\ud588\ub294\ub370, ViewModel\uc740 \uba54\ubaa8\ub9ac \ub204\uc218\ub4f1\uc758 \uc774\uc720\ub85c Context\uc758 \ucc38\uc870\ub97c \uc5c4\uaca9\ud558\uac8c \uae08\uc9c0\ud558\uace0 \uc788\ub2e4. \uadf8\ub7ec\ubbc0\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\/44609"}],"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=44609"}],"version-history":[{"count":1,"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts\/44609\/revisions"}],"predecessor-version":[{"id":44612,"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts\/44609\/revisions\/44612"}],"wp:attachment":[{"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=44609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=44609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=44609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}