{"id":21509,"date":"2019-10-22T19:54:39","date_gmt":"2019-10-22T10:54:39","guid":{"rendered":"https:\/\/www.charlezz.com\/?p=21509"},"modified":"2019-12-24T08:27:39","modified_gmt":"2019-12-23T23:27:39","slug":"databindingcomponent-%ec%82%ac%ec%9a%a9%ed%95%98%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/charlezz.com\/?p=21509","title":{"rendered":"DataBindingComponent \uc0ac\uc6a9\ud558\uae30"},"content":{"rendered":"

DataBindingComponent\ub780?<\/h1>\n

DataBindingComponent\ub294 BindingAdapter\uc5d0 \ub300\ud55c getter\ub97c \ud3ec\ud568\ud558\ub294 \uc778\ud130\ud398\uc774\uc2a4\ub2e4.\u00a0 DataBindingComponent\ub97c \uad6c\ud604\ud558\ub294 \ud074\ub798\uc2a4\ub294 \ubc18\ub4dc\uc2dc \ud558\ub098\uc774\uc0c1\uc758 \uba54\uc11c\ub4dc\ub97c \uac00\uc838\uc57c\ud55c\ub2e4. \uba54\uc11c\ub4dc\uc758 \uc774\ub984\uc740 \uc811\ub450\uc5b4 get\uacfc @BindingAdapter \uba54\uc11c\ub4dc\ub97c \ud3ec\ud568\ud558\ub294 \ud074\ub798\uc2a4 \ub610\ub294 \uc778\ud130\ud398\uc774\uc2a4\uc758 \uc774\ub984\uc758 \ud569\uc131\uc5b4\uc5ec\uc57c\ud55c\ub2e4.<\/p>\n

\uc608\ub97c\ub4e4\uc5b4 @BindingAdapter \uba54\uc11c\ub4dc\ub97c \uac00\uc9c0\uace0 \uc788\ub294 \ud074\ub798\uc2a4\uc758 \uc774\ub984\uc774 ClickBinding\uc774\ub77c\uba74 DataBindingComponent\uad6c\ud604\uccb4\uac00 \uac16\ub294 \uba54\uc11c\ub4dc\uc758 \uc774\ub984\uc740\u00a0 getClickBinding()\uc774 \ub41c\ub2e4.<\/p>\n

\ub2e4\uc74c \uc608\uc81c \ucf54\ub4dc\ub4e4\uc740 \ub370\uc774\ud130\ubc14\uc778\ub529 \ud074\ub798\uc2a4\ub97c \ucd08\uae30\ud654 \ud560 \ub54c \uc8fc\ub85c \uc0ac\uc6a9\ub418\ub294 \uba54\uc11c\ub4dc\uc774\ub2e4.\u00a0<\/p>\n

DataBindingUtil.setContentView(activity, layoutId, bindingComponent)\r\nDataBindingUtil.inflate(..., bindingComponent)\r\nDataBindingUtil.bind(view, bindingComponent)<\/pre>\n
\uba54\uc11c\ub4dc\uc758 \ub9c8\uc9c0\ub9c9 \ub9e4\uac1c\ubcc0\uc218\ub85c \ub370\uc774\ud130\ubc14\uc778\ub529 \ucef4\ud3ec\ub10c\ud2b8\ub97c \uac00\uc9c8\uc218 \uc788\ub2e4.<\/p>\n
\uc5b8\uc81c \uc4f0\uc77c\uae4c?<\/h2>\n
\ub370\uc774\ud130\ubc14\uc778\ub529 \ub77c\uc774\ube0c\ub7ec\ub9ac\uc5d0\uc11c\ub294 \ubc14\uc778\ub529 \uc5b4\ub311\ud130\ub97c \ud1b5\ud574 \uc0ac\uc6a9\uc790 \uc815\uc758 \ub85c\uc9c1\uc744 \uc218\ud589\ud560 \uc218 \uc788\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\uc774 \uc4f0\uc778\ub2e4.<\/p>\n
@BindingAdapter(\"android:paddingLeft\")\r\npublic static void setPaddingLeft(View view, int padding) {\r\n  view.setPadding(padding,\r\n                  view.getPaddingTop(),\r\n                  view.getPaddingRight(),\r\n                  view.getPaddingBottom());\r\n}\r\n<\/pre>\n
\uc774\ub7ec\ud55c \ucf54\ub4dc\ub294 \uc544\ubb34\ubb38\uc81c \uc5c6\uc774 \uc798 \ub3d9\uc791\ud558\uc9c0\ub9cc, static \uba54\uc11c\ub4dc\ub77c\ub294 \ud2b9\uc9d5\uc744 \uac00\uc9c0\uace0 \uc788\ub2e4. \uadf8\ub807\uae30 \ub54c\ubb38\uc5d0 \uc0c1\ud0dc\ub97c \uc800\uc7a5\ud558\uac70\ub098,\u00a0 close(), clear(), dispose() \uc640 \uac19\uc740 \uba54\uc18c\ub4dc\ub97c \ud638\ucd9c\ud558\uc5ec \ub9ac\uc18c\uc2a4 \uc815\ub9ac\ub97c \ud558\ub294\ub370 \uc5b4\ub824\uc6c0\uc774 \uc788\ub2e4.<\/p>\n
\ub370\uc774\ud130 \ubc14\uc778\ub529 \ucef4\ud3ec\ub10c\ud2b8(DataBindingComponent)\ub294 \uc774\ub7ec\ud55c \ubb38\uc81c\uc810\uc744 \ud574\uacb0\ud560 \uc218 \uc788\ub3c4\ub85d \ub3c4\uc640\uc900\ub2e4.<\/p>\n
\uadf8 \uc678\uc5d0\ub3c4 static \uba54\uc11c\ub4dc\ub97c \uc81c\uac70\ud558\uace0 \ub3d9\uc801\uc73c\ub85c \ubc14\uc778\ub529 \uc5b4\ub311\ud130 \uba54\uc11c\ub4dc\ub97c \ubc14\uc778\ub529 \ud074\ub798\uc2a4\uc5d0 \ud3ec\ud568\uc2dc\ud0ac \uc218 \uc788\ub2e4.<\/p>\n
\uc8fc\uc758 \uc0ac\ud56d<\/h2>\n
\ud558\ub098\uc758 \ubaa8\ub4c8\ub0b4\uc5d0\uc11c DatabindingComponent \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc0c1\uc18d\ud558\uac70\ub098 \uad6c\ud604\ud55c \ubaa8\ub4e0 \uc778\ud130\ud398\uc774\uc2a4 \ubc0f \ud074\ub798\uc2a4\uac00 \uac00\uc9c0\uace0 \uc788\ub294 getter \uba54\uc11c\ub4dc\ub4e4\uc740 \ucef4\ud30c\uc77c\ud0c0\uc784\uc5d0 \ubcd1\ud569\ub418\uae30 \ub54c\ubb38\uc5d0 DatabindingComponent \uc0ac\uc6a9\uc2dc \uc774\ub97c \uc720\uc758\ud558\uc5ec \ubaa8\ub4e0 \uba54\uc11c\ub4dc\ub97c \uad6c\ud604\ud560 \uc218 \uc788\ub3c4\ub85d \ud574\uc57c\ud55c\ub2e4. \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74 \ucef4\ud30c\uc77c\ud0c0\uc784\uc5d0 \uc5d0\ub7ec\uac00 \ubc1c\uc0dd\ud55c\ub2e4.<\/p>\n
\uc911\ubcf5 \ud074\ub9ad \ubc29\uc9c0 \ubc14\uc778\ub529 \uc5b4\ub311\ud130 \ub9cc\ub4e4\uae30<\/h1>\n
\uc77c\uc815\uc2dc\uac04\ub0b4\uc5d0 \uc911\ubcf5\ud074\ub9ad \uc774\ubca4\ud2b8 \ubc1c\uc0dd\uc2dc \uccab\ubc88\uc9f8 \uc774\ubca4\ud2b8\ub9cc \ucc98\ub9ac\ud558\uace0 \ub098\uba38\uc9c0\ub294 \ubb34\uc2dc\ud558\ub294 \ubc14\uc778\ub529 \uc5b4\ub311\ud130\ub97c \ub9cc\ub4e4\uc5b4\ubcf4\uc790.<\/p>\n
\uc778\ud130\ud398\uc774\uc2a4 \ub610\ub294 \ud074\ub798\uc2a4\ub85c \ubc14\uc778\ub529 \uc5b4\ub311\ud130 \uba54\uc11c\ub4dc\ub97c \ud3ec\ud568\ud558\ub294 \ud30c\uc77c\uc744 \ub9cc\ub4e4\uc790. \ub2e4\uc74c\uc608\uc81c\ub294 ClickBinding \uc778\ud130\ud398\uc774\uc2a4\uc5d0 \ud074\ub9ad \uc774\ubca4\ud2b8\ub97c \ub2e4\ub8f0 \ubc14\uc778\ub529 \uc5b4\ub311\ud130 \uba54\uc11c\ub4dc\ub97c \uc815\uc758\ud588\ub2e4.<\/p>\n
public interface ClickBinding {\r\n    @BindingAdapter(\"onClick\")\r\n    void setOnClickListener(View view, View.OnClickListener onClickListener);\r\n}<\/pre>\n
ClickBinding\uc758 \uad6c\ud604\uccb4\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n
public class ClickBindingImpl implements ClickBinding, LifecycleObserver {\r\n\r\n    private final PublishSubject<Pair<View, View.OnClickListener>> publishSubject = PublishSubject.create();\r\n    private CompositeDisposable disposables = new CompositeDisposable();\r\n    private final int TIME_OUT = 1000;\r\n\r\n    public ClickBindingImpl(Lifecycle lifecycle) {\r\n        lifecycle.addObserver(this);\r\n    }\r\n\r\n    @Override\r\n    public void setOnClickListener(View view, View.OnClickListener onClickListener) {\r\n        view.setOnClickListener(v -> publishSubject.onNext(Pair.create(view, onClickListener)));\r\n        disposables.add(publishSubject.throttleFirst(TIME_OUT, TimeUnit.MILLISECONDS, AndroidSchedulers.mainThread())\r\n                .subscribe(pair -> {\r\n                    if (pair != null && pair.first != null && pair.second != null) {\r\n                        pair.second.onClick(pair.first);\r\n                    }\r\n                })\r\n        );\r\n    }\r\n\r\n    @OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)\r\n    public void onDestroyed(){\r\n        if(disposables.isDisposed()){\r\n            disposables.dispose();\r\n        }\r\n    }\r\n}\r\n<\/pre>\n
\uc911\ubcf5 \ud074\ub9ad \uc774\ubca4\ud2b8\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 RxJava\uc758 throttleFirst\ub97c \uc0ac\uc6a9\ud55c\ub2e4. RxJava\ub294 subcribe()\ub97c \ud638\ucd9c\ub85c \ubc18\ud658\ub418\ub294 Disposable\uc744 \ubc18\ub4dc\uc2dc dispose()\ub97c \ud638\ucd9c\ud574\uc11c \ub9ac\uc18c\uc2a4\ub97c \ubc18\ud658\ud574\uc57c \ud55c\ub2e4. \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74 \uba54\ubaa8\ub9ac \ub204\uc218\uac00 \ubc1c\uc0dd\ud55c\ub2e4. \uc561\ud2f0\ube44\ud2f0 \ub610\ub294 \ud504\ub808\uadf8\uba3c\ud2b8 \uac19\uc740 UI \ucee8\ud2b8\ub864\ub7ec\uac00 \ud30c\uad34\ub420 \ub54c dispose\ud558\ub3c4\ub85d \ud558\uae30 \uc704\ud574 LifecycleObserver\ub97c \uad6c\ud604\ud588\ub2e4.<\/p>\n
RxBinding\uc744 \uc0ac\uc6a9\ud55c\ub2e4\uba74 RxView.clicks(view).throttleFirst(…)\ub85c \ub300\uccb4\ud574\ub3c4 \uc88b\ub2e4.<\/p>\n
\uc774\uc81c DataBindingComponent\ub97c \uad6c\ud604\ud558\uc790<\/p>\n
public class ClickBindingComponent implements androidx.databinding.DataBindingComponent {\r\n\r\n    private final ClickBindingImpl clickBinding;\r\n    public ClickBindingComponent(Lifecycle lifecycle){\r\n        clickBinding = new ClickBindingImpl(lifecycle);\r\n    }\r\n\r\n    \/\/\uba54\uc18c\ub4dc\uc774\ub984 \ub9cc\ub4dc\ub294 \uaddc\uce59\uc5d0 \uc720\uc758 (\uc608: get + \ud074\ub798\uc2a4 \uc774\ub984)\r\n    public ClickBindingImpl getClickBinding() {\r\n        return clickBinding;\r\n    }\r\n}\r\n<\/pre>\n
\uc55e\uc5d0\uc11c \uc5b8\uae09\ud588\ub358 \uac83\uacfc \uac19\uc774 \uba54\uc11c\ub4dc \uc774\ub984 \ub9cc\ub4dc\ub294 \uaddc\uce59\uc774 \ub9e4\uc6b0 \uc5c4\uaca9\ud558\ubbc0\ub85c \uc720\uc758\ud558\uc790.<\/p>\n
\uc774\uc81c \uc561\ud2f0\ube44\ud2f0\uc5d0 \ubc84\ud2bc\uc744 \ud558\ub098 \ub9cc\ub4e4\uace0 \ubc14\uc778\ub529 \uc5b4\ub311\ud130\ub85c \ud074\ub9ad \uc774\ubca4\ud2b8\ub97c \ucc98\ub9ac\ud558\ub294 \uc608\uc81c\ub97c \uc0b4\ud3b4\ubcf4\uc790<\/p>\n
MainActivity.java<\/strong><\/p>\n
public class MainActivity extends AppCompatActivity implements View.OnClickListener{\r\n\r\n    public static final String TAG = MainActivity.class.getSimpleName();\r\n\r\n    @Override\r\n    protected void onCreate(Bundle savedInstanceState) {\r\n        super.onCreate(savedInstanceState);\r\n        ActivityMainBinding binding = DataBindingUtil.setContentView(\r\n                this,\r\n                R.layout.activity_main,\r\n                new ClickBindingComponent(getLifecycle())\r\n        );\r\n\r\n        binding.setClickListener(this);\r\n\r\n    }\r\n\r\n    @Override\r\n    public void onClick(View v) {\r\n        Log.e(TAG, \"Clicked\");\r\n        Toast.makeText(this, \"Clicked\", Toast.LENGTH_SHORT).show();\r\n    }\r\n}\r\n<\/pre>\n
activity_main.xml<\/strong><\/p>\n
<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n<layout>\r\n    <data>\r\n        <variable\r\n            name=\"clickListener\"\r\n            type=\"android.view.View.OnClickListener\" \/>\r\n    <\/data>\r\n\r\n    <androidx.constraintlayout.widget.ConstraintLayout xmlns:android=\"http:\/\/schemas.android.com\/apk\/res\/android\"\r\n        xmlns:app=\"http:\/\/schemas.android.com\/apk\/res-auto\"\r\n        xmlns:tools=\"http:\/\/schemas.android.com\/tools\"\r\n        android:layout_width=\"match_parent\"\r\n        android:layout_height=\"match_parent\"\r\n        tools:context=\".MainActivity\">\r\n\r\n        <Button\r\n            android:layout_width=\"wrap_content\"\r\n            android:layout_height=\"wrap_content\"\r\n            android:text=\"click me\"\r\n            app:onClick=\"@{clickListener}\"\r\n            app:layout_constraintBottom_toBottomOf=\"parent\"\r\n            app:layout_constraintEnd_toEndOf=\"parent\"\r\n            app:layout_constraintStart_toStartOf=\"parent\"\r\n            app:layout_constraintTop_toTopOf=\"parent\" \/>\r\n\r\n    <\/androidx.constraintlayout.widget.ConstraintLayout>\r\n<\/layout><\/pre>\n
 <\/p>\n
\"\"<\/a><\/p>\n
 <\/p>\n
\uc2e4\uc81c\ub85c \ud074\ub9ad\uc744 \ube60\ub974\uac8c \ubc18\ubcf5\ud574\ub3c4 \ud0c0\uc784\uc544\uc6c3\uc744 1000ms\ub85c \uc9c0\uc815\ud588\uae30 \ub54c\ubb38\uc5d0 1\ucd08\uc774\ub0b4\uc5d0 \uc911\ubcf5\ud074\ub9ad\ub418\ub294 \uc774\ubca4\ud2b8\ub294 \ubb34\uc2dc\ud558\uac8c \ub41c\ub2e4.<\/p>\n
\uc55e\uc758 \uc608\uc81c\ub294 https:\/\/github.com\/Charlezz\/DatabindingComponentSample <\/a>\uc5d0\uc11c \ud655\uc778 \ud560 \uc218 \uc788\ub2e4.<\/p>\n
Dagger2\ub97c \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0 \uac1c\ubc1c\uc790\ub294 DataBindingComponent\ub97c \ud655\uc7a5\ud558\uace0 \ud655\uc7a5\ud55c \uc778\ud130\ud398\uc774\uc2a4\uc5d0 \ucef4\ud3ec\ub10c\ud2b8 \uc5b4\ub178\ud14c\uc774\uc158\uc744 \ucd94\uac00\ud560 \uc218 \uc788\ub2e4. Dagger2\ub97c \uc0ac\uc6a9\ud558\uace0 \uc788\ub2e4\uba74, Dagger2\uc640 \ud568\uaed8 DataBindingComponent\ub97c \uc0ac\uc6a9\ud558\ub294 \uc608\uc81c<\/a>\ub97c \ud655\uc778\ud558\uc790.<\/p>\n
 <\/p>\n
\"\"<\/a><\/p>\n
 <\/p>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
DataBindingComponent\ub780? DataBindingComponent\ub294 BindingAdapter\uc5d0 \ub300\ud55c getter\ub97c \ud3ec\ud568\ud558\ub294 \uc778\ud130\ud398\uc774\uc2a4\ub2e4.\u00a0 DataBindingComponent\ub97c \uad6c\ud604\ud558\ub294 \ud074\ub798\uc2a4\ub294 \ubc18\ub4dc\uc2dc \ud558\ub098\uc774\uc0c1\uc758 \uba54\uc11c\ub4dc\ub97c \uac00\uc838\uc57c\ud55c\ub2e4. \uba54\uc11c\ub4dc\uc758 \uc774\ub984\uc740 \uc811\ub450\uc5b4 get\uacfc @BindingAdapter \uba54\uc11c\ub4dc\ub97c \ud3ec\ud568\ud558\ub294 \ud074\ub798\uc2a4 \ub610\ub294 \uc778\ud130\ud398\uc774\uc2a4\uc758 \uc774\ub984\uc758 \ud569\uc131\uc5b4\uc5ec\uc57c\ud55c\ub2e4. \uc608\ub97c\ub4e4\uc5b4 @BindingAdapter \uba54\uc11c\ub4dc\ub97c \uac00\uc9c0\uace0 \uc788\ub294 \ud074\ub798\uc2a4\uc758 \uc774\ub984\uc774 ClickBinding\uc774\ub77c\uba74 DataBindingComponent\uad6c\ud604\uccb4\uac00 \uac16\ub294 \uba54\uc11c\ub4dc\uc758 \uc774\ub984\uc740\u00a0 getClickBinding()\uc774 \ub41c\ub2e4. \ub2e4\uc74c \uc608\uc81c \ucf54\ub4dc\ub4e4\uc740 \ub370\uc774\ud130\ubc14\uc778\ub529 \ud074\ub798\uc2a4\ub97c \ucd08\uae30\ud654 \ud560 \ub54c \uc8fc\ub85c \uc0ac\uc6a9\ub418\ub294 […]<\/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\/21509"}],"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=21509"}],"version-history":[{"count":5,"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts\/21509\/revisions"}],"predecessor-version":[{"id":43835,"href":"https:\/\/charlezz.com\/index.php?rest_route=\/wp\/v2\/posts\/21509\/revisions\/43835"}],"wp:attachment":[{"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=21509"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21509"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/charlezz.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21509"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}