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µÚÒ»¸öÀý×Ó˵Ã÷£º

new activity().close()

function Activity() {
    this.isOpen = false;
}

Activity.prototype.open = function() {
    if (!this.isOpen) {
        console.log("Activity opened.");
        this.isOpen = true;
    } else {
        console.log("Activity is already open.");
    }
};

Activity.prototype.close = function() {
    if (this.isOpen) {
        console.log("Activity closed.");
        this.isOpen = false;
    } else {
        console.log("Activity is not open.");
    }
};

// ´´½¨²¢Ê¹Óà Activity
var activity = new Activity();
activity.open();
activity.close();

Õâ¸ö´úÂ붨ÒåÁËÒ»¸öÃûΪ Activity µÄ¹¹Ô캯Êý£¬Ä£ÄâÁËÒ»¸ö¿ÉÒÔ´ò¿ªºÍ¹Ø±ÕµÄ»î¶¯¡£ÏÂÃæÊÇÕâ¸ö´úÂëµÄÏêϸ˵Ã÷£º

¹¹Ô캯Êý Activity

function Activity() {
    this.isOpen = false;
}
  • Activity ÊÇÒ»¸ö¹¹Ô캯Êý£¬ÓÃÓÚ´´½¨»î¶¯µÄʵÀý¡£
  • ÿ¸ö»î¶¯ÊµÀý¶¼ÓÐÒ»¸ö isOpen ÊôÐÔ£¬±íʾ»î¶¯ÊÇ·ñ´ò¿ª£¬³õʼֵΪ false¡£

·½·¨ open

Activity.prototype.open = function() {
    if (!this.isOpen) {
        console.log("Activity opened.");
        this.isOpen = true;
    } else {
        console.log("Activity is already open.");
    }
};
  • open ·½·¨ÓÃÓÚ´ò¿ª»î¶¯¡£
    • Èç¹û»î¶¯Ã»Óдò¿ª£¨isOpen Îª false£©£¬ÔòÊä³ö ¡°Activity opened.¡±£¬²¢½« isOpen ÉèÖÃΪ true¡£
    • Èç¹û»î¶¯ÒѾ­´ò¿ª£¬ÔòÊä³ö ¡°Activity is already open.¡±¡£

·½·¨ close

Activity.prototype.close = function() {
    if (this.isOpen) {
        console.log("Activity closed.");
        this.isOpen = false;
    } else {
        console.log("Activity is not open.");
    }
};
  • close ·½·¨ÓÃÓڹرջ¡£
    • Èç¹û»î¶¯ÒѾ­´ò¿ª£¨isOpen Îª true£©£¬ÔòÊä³ö ¡°Activity closed.¡±£¬²¢½« isOpen ÉèÖÃΪ false¡£
    • Èç¹û»î¶¯Ã»Óдò¿ª£¬ÔòÊä³ö ¡°Activity is not open.¡±¡£

´´½¨ºÍʹÓàActivity

var activity = new Activity();
activity.open();
activity.close();
  • ʹÓànew Activity() ´´½¨ÁËÒ»¸ö»î¶¯ÊµÀý¡£
  • ͨ¹ýµ÷Óàopen() ·½·¨´ò¿ª»î¶¯¡£
  • ͨ¹ýµ÷Óàclose() ·½·¨¹Ø±Õ»î¶¯¡£

new Activity().close()

  • Óànew Activity() ´´½¨Ò»¸ö»î¶¯ÊµÀý£¬²¢Á¢¼´µ÷Óàclose() ·½·¨¡£
  • ÒòΪ»î¶¯³õʼʱÊǹرյģ¬ËùÒÔ»áÊä³ö ¡°Activity is not open.¡±¡£

Ó¦Óó¡¾°

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µÚ¶þ¸öÀý×Ó˵Ã÷£º

new activity().findViewById(¡®button1¡¯)

![](http://doc.aiwork24.com:91/server/index.php?s=/api/attachment/visitFile&sign=214f4a5c1735713a12ff9127aa8f31dd)

function Activity() {
    this.layout = null;
}

Activity.prototype.loadSXML = function(layout) {
    this.layout = layout;
    console.log("Layout loaded:", layout);
};

Activity.prototype.findViewById = function(id) {
    console.log("Finding view by ID:", id);
    // Ä£Äâ»ñÈ¡ÊÓͼ¶ÔÏó
    return {
        setOnClickListener: function(listener) {
            console.log("Setting click listener for", id);
            listener();
        }
    };
};

// ʾÀý
var ac = new Activity();
ac.loadSXML('<vertical><button id="button1" text="µÚÒ»¸ö°´Å¥"/></vertical>');

var btn = ac.findViewById("button1");
btn.setOnClickListener(function() {
    console.log("Button clicked!");
});

Õâ¸ö´úÂëÊÇÒ»¸öÄ£ÄâµÄ JavaScript À࣬ÓÃÓÚ´¦Àí»î¶¯£¨Activity£©ºÍÊÓͼ£¨View£©µÄ¼òµ¥Àý×Ó¡£ÏÂÃæÊÇ´úÂëµÄ»ù±¾¹¤×÷Ô­ÀíºÍ˵Ã÷£º

  1. ActivityÀࣺ

    • Activity ÊÇÒ»¸öÄ£ÄâµÄÀ࣬°üº¬Ò»¸ö layout ÊôÐÔ£¬ÓÃÓÚ´æ´¢¼ÓÔصIJ¼¾Ö¡£
  2. loadSXML·½·¨£º

    • loadSXML ·½·¨ÓÃÓÚ¼ÓÔز¼¾Ö£¬²¢½«Æä´æ´¢ÔÚ layout ÊôÐÔÖС£
    • Ëü½ÓÊÜÒ»¸ö×Ö·û´®²ÎÊý layout£¬²¢Êä³ö¼ÓÔصIJ¼¾Ö¡£
  3. findViewById·½·¨£º

    • findViewById ·½·¨ÓÃÓÚÄ£Äâ¸ù¾Ý ID ²éÕÒÊÓͼ¡£
    • Ëü½ÓÊÕÒ»¸ö ID ×Ö·û´®²¢Êä³öÕýÔÚ²éÕÒµÄ ID¡£
    • ·µ»ØÒ»¸öÄ£ÄâµÄÊÓͼ¶ÔÏ󣬸öÔÏó°üº¬ setOnClickListener ·½·¨¡£
  4. setOnClickListener·½·¨£º

    • ÔÚ findViewById ·½·¨Öзµ»ØµÄÊÓͼ¶ÔÏóÉÏ£¬setOnClickListener ·½·¨ÓÃÓÚΪÊÓͼÉèÖõã»÷¼àÌýÆ÷¡£
    • ½ÓÊÜÒ»¸ö»Øµ÷º¯Êý listener ²¢ÔÚÄ£Äâµã»÷ʱִÐС£
  5. ʹÓÃʾÀý£º

    • ´´½¨ Activity µÄʵÀý ac¡£
    • ʹÓàloadSXML ·½·¨¼ÓÔز¼¾Ö¡£
    • ʹÓàfindViewById ·½·¨»ñÈ¡°´Å¥ÊÓͼ¡£
    • ÉèÖð´Å¥µÄµã»÷¼àÌýÆ÷£¬µã»÷ʱ»áÊä³ö ¡°Button clicked!¡±¡£

µÚÈý¸öÀý×Ó˵Ã÷£º

new activity().findWebViewById(¡®web1¡¯)

function Activity() {
    this.layout = null;
}

Activity.prototype.loadXML = function(layout) {
    this.layout = layout;
    console.log("Layout loaded:", layout);
};

Activity.prototype.findWebViewById = function(id) {
    console.log("Finding webview by ID:", id);
    // Ä£Äâ»ñÈ¡JsWebView¶ÔÏó
    return {
        url: function(page) {
            console.log("Loading page:", page);
        }
    };
};

// ʾÀý
var ac = new Activity();
ac.loadXML(`
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    androidrientation="vertical"
    android:padding="0dp">

    <WebView
        android:id="@+id/web"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1" />

</LinearLayout>
`);

var web = ac.findWebViewById("web");
web.url("/´úÂë/h5.html");

ÈçºÎÔÚÒ»¸öÄ£ÄâµÄ°²×¿»î¶¯£¨Activity£©ÖмÓÔز¼¾Ö£¬²¢Í¨¹ý¿Ø¼þµÄID»ñÈ¡WebView¿Ø¼þ¡£ÒÔÏÂÊÇÏêϸ˵Ã÷£º

´úÂë½á¹¹

  1. Activity ¶ÔÏóµÄ¶¨Òå

    • Activity¹¹Ô캯ÊýÓÃÓÚ³õʼ»¯¶ÔÏó£¬ËüÓµÓÐÒ»¸ölayoutÊôÐÔÀ´´æ´¢¼ÓÔصIJ¼¾Ö¡£
  2. ¼ÓÔز¼¾Ö

    • Activity.prototype.loadSXML·½·¨ÓÃÓÚ¼ÓÔØXML²¼¾Ö£¬½«²¼¾ÖÐÅÏ¢´æ´¢ÔÚlayoutÊôÐÔÖУ¬²¢´òÓ¡³ö¡°Layout loaded¡±ÐÅÏ¢¡£
  3. ²éÕÒWebView

    • Activity.prototype.findWebViewById·½·¨ÓÃÓÚ¸ù¾ÝID²éÕÒWebView¡£´Ë·½·¨´òÓ¡¡°Finding view by ID¡±ÐÅÏ¢£¬²¢·µ»ØÒ»¸öÄ£ÄâµÄWebView¶ÔÏó¡£
    • Õâ¸öÄ£ÄâµÄWebView¶ÔÏó¾ßÓÐurl·½·¨£¬¿ÉÒÔÓÃÀ´Ä£Äâ¼ÓÔØÍøÒ³¡£
  4. ʹÓÃʾÀý

    • ´´½¨Ò»¸öеÄActivityʵÀý¶ÔÏó£¬ac¡£
    • ʹÓÃac.loadSXML·½·¨¼ÓÔز¼¾Ö¡£
    • ʹÓÃac.findWebViewById("web")·½·¨»ñÈ¡WebView¶ÔÏó¡£
    • µ÷ÓÃweb.url("/´úÂë/h5.html")À´Ä£Äâ¼ÓÔØÒ»¸öÍøÒ³¡£

¿ÉÄܵÄÓ¦Óó¡¾°

  • ÕâÖֽṹ¿ÉÒÔÓÃÓÚ²âÊÔ»òÄ£Äⰲ׿ӦÓóÌÐòÖеÄÊÓͼ²éÕÒºÍʼþ´¦Àí¡£
  • ͨ¹ýÕâÖÖ·½Ê½£¬Äã¿ÉÒÔÔÚJavaScript»·¾³ÖÐÄ£Äⰲ׿¿Ø¼þµÄÐÐΪ¡£

µÚËĸöÀý×Ó˵Ã÷£º

new activity().getActivity()

// ¼ÙÉèActivityÊÇÒ»¸öÀ࣬¶¨ÒåÁËgetActivity·½·¨
function Activity() {
    // Activity³õʼ»¯¹ý³Ì
}

Activity.prototype.getActivity = function() {
    console.log("»ñÈ¡µ±Ç°Activity¶ÔÏó");
    return this;
};

// ʾÀýʹÓÃ
var ac = new Activity();
var currentActivity = ac.getActivity();

// Êä³öÑéÖ¤
if (currentActivity === ac) {
    console.log("Successfully retrieved the current Activity object.");
} else {
    console.log("Failed to retrieve the current Activity object.");
}

Õâ¸ögetActivity()·½·¨¿´ÆðÀ´ÊÇ´Óij¸öActivity¶ÔÏóÖлñÈ¡µ±Ç°µÄ»î¶¯ÊµÀý£¬²»¹ýÄãÌù³öµÄ´úÂëʾÀýËƺõûÓÐʵÏÖÕâ¸ö·½·¨¡£Í¨³£Çé¿öÏ£¬ÔÚAndroid¿ª·¢ÖУ¬getActivity()ÓÃÓÚ´ÓFragmentÖлñÈ¡ËÞÖ÷Activity¡£

ÒÔÏÂÊÇÒ»¸ö¼òµ¥µÄÄ£ÄâʵÀý£¬ÒÔ°ïÖúÄãÀí½âÈçºÎÔÚES5ÖÐʵÏÖÕâ¸ö¹¦ÄÜ£º

function Activity() {
    this.name = "MainActivity";
}

Activity.prototype.getActivity = function() {
    console.log("Getting activity instance");
    return this;  // ·µ»Ø×ÔÉíʵÀý
};

// ʾÀý
var ac = new Activity();
var currentActivity = ac.getActivity();
console.log("Current Activity is:", currentActivity.name);

˵Ã÷

  1. Activity¹¹Ô캯Êý: ´´½¨Ò»¸ö¼òµ¥µÄActivity¶ÔÏ󣬴øÓÐÒ»¸önameÊôÐÔ¡£

  2. getActivity·½·¨: ʵÏÖµÄÕâ¸ö·½·¨ÊÇ·µ»Øµ±Ç°µÄʵÀý£¨this£©£¬Ä£Äâ»ñÈ¡µ±Ç°»î¶¯µÄÇé¿ö¡£

  3. ʾÀýʹÓÃ:

    • ´´½¨Ò»¸öActivityʵÀý¡£
    • µ÷ÓÃgetActivity()·½·¨»ñÈ¡µ±Ç°»î¶¯ÊµÀý£¬²¢Êä³öÆäÃû³Æ¡£

µÚÎå¸öÀý×Ó˵Ã÷£º

function Activity() {
    this.rootView = {
        // Ä£ÄâÊÓͼ¶ÔÏó
        render: function() {
            console.log("Rendering the root view!");
        }
    };
}

Activity.prototype.getView = function() {
    return this.rootView;
};

// ʾÀý
var ac = new Activity();
var rootView = ac.getView();
rootView.render();  // Êä³ö: Rendering the root view!

˵Ã÷

Activity Àà: ÎÒÃǶ¨ÒåÁËÒ»¸ö¼òµ¥µÄActivityÀ࣬ËüÄÚ²¿°üº¬Ò»¸örootView¶ÔÏó£¬ÓÃÀ´Ä£Äâ¸ùÊÓͼ¡£

getView ·½·¨: ´Ë·½·¨·µ»ØrootView£¬´ú±íÕû¸ö»î¶¯µÄÊÓͼ¡£

ʹÓÃʾÀý: ÎÒÃÇ´´½¨ÁËActivityµÄÒ»¸öʵÀý£¬µ÷ÓÃgetView·½·¨»ñÈ¡ÊÓͼ£¬È»ºóµ÷ÓÃrender·½·¨À´Ä£ÄâäÖȾ¸ÃÊÓͼ¡£

µÚÁù¸öÀý×Ó˵Ã÷£º

new activity().inflate(¡®¡¯,ViewGroup)

// Ä£Äâ Activity Àà
function Activity() {}

Activity.prototype.onCreate = function(callback) {
    callback();
};

Activity.prototype.inflate = function(xmlString, viewGroup) {
    console.log("Parsing XML layout...");
    // Ä£Äâ½âÎö XML ²¢·µ»ØÒ»¸ö View ¶ÔÏó
    return {};
};

Activity.prototype.setContentView = function(view) {
    console.log("Setting content view...");
};

Activity.prototype.findViewById = function(id) {
    // Ä£Äâͨ¹ý ID ÕÒµ½ÊÓͼ
    console.log(`Finding View by ID: ${id}`);
    return {
        setOnClickListener: function(callback) {
            console.log("Button clicked");
            callback();
        }
    };
};

// ´´½¨»î¶¯²¢ÔËÐÐ
var ac = new Activity();

ac.onCreate(() => {
    var view = ac.inflate(`
        <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            androidrientation="vertical"
            android:padding="8dp">
            <Button
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:id="button1"
                android:text="¿ªÊ¼" />
        </LinearLayout>
    `, null);

    ac.setContentView(view);

    var btn1 = ac.findViewById("button1");
    btn1.setOnClickListener(() => {
        // Ä£ÄâÏß³ÌÖ´ÐÐ
        console.log("Ö´ÐÐÏß³ÌÖеĴúÂë");
    });
});
  • inflate(String xml, ViewGroup root): Õâ¸ö·½·¨ÓÃÓÚ½« XML ²¼¾Ö×Ö·û´®×ª»»ÎªÒ»¸ö View ¶ÔÏó¡£xml ÊÇ XML ²¼¾ÖµÄ×Ö·û´®£¬root ÊǸ¸ ViewGroup£¬¿ÉÒÔ´«µÝ null¡£

  • onCreate(): ÕâÊÇÔÚ Activity ´´½¨Ê±µ÷Óõķ½·¨£¬ÔÚÕâÀïÃæÉèÖóõʼµÄ UI ²¼¾Ö¡£

  • setContentView(View view): ÉèÖõ±Ç° Activity µÄÄÚÈÝÊÓͼΪָ¶¨µÄ View ¶ÔÏó¡£

  • findViewById(String id): ¸ù¾Ý ID ²éÕÒÊÓͼ¡£

  • setOnClickListener(): Îª°´Å¥Ìí¼Óµã»÷ʼþ¼àÌýÆ÷¡£

  • thread: ´´½¨Ò»¸öÐÂÏß³ÌÀ´ÔËÐдúÂë¡£

Õâ¸öʾÀý´´½¨ÁËÒ»¸ö¼òµ¥µÄ²¼¾Ö£¬°üº¬Ò»¸ö°´Å¥£¬²¢Îª°´Å¥ÉèÖÃÁ˵ã»÷ʼþ¡£

µÚÆ߸öÀý×Ó˵Ã÷£º

new activity().inflateSxml(¡®¡¯,ViewGroup)

var ac = new activity();

ac.onCreate(() => {

    // ʹÓà XML ×Ö·û´®´´½¨ÊÓͼ
    var view = ac.inflateSxml(`
        <vertical>
            <button id="button1" text="µÚÒ»¸ö°´Å¥"/>
            <button text="µÚ¶þ¸ö°´Å¥"/>
        </vertical>
    `, null);

    // ÉèÖûµÄÄÚÈÝÊÓͼ
    ac.setContentView(view);

    // Ñ°ÕÒ°´Å¥²¢ÉèÖõã»÷ʼþ¼àÌýÆ÷
    var btn1 = ac.findViewById("button1");
    btn1.setOnClickListener(() => {

        // ʼþ´¦Àí´úÂëÐèÒªÔËÐÐÔÚÐÂÏß³ÌÖÐ
        var t1 = new thread();
        t1.runJsCode(() => {
            println("²âÊÔUI");
        }, "Ïß³Ì1");

    });

});

// ÏÔʾ»î¶¯
ac.show();

Õâ¸öʾÀýչʾÁËÈçºÎʹÓàinflateSxml ·½·¨½« XML ת»»ÎªÊÓͼ¶ÔÏó¡£ÒÔÏÂÊÇ´úÂëµÄÏêϸ˵Ã÷£º

´´½¨»î¶¯ÊµÀý

    var ac = new activity();
  1. ÔÚ onCreate ·½·¨ÖÐ×°Ôز¼¾Ö

    ac.onCreate(() => {
        var view = ac.inflateSxml(`
            <vertical>
                <button id="button1" text="µÚÒ»¸ö°´Å¥"/>
                <button text="µÚ¶þ¸ö°´Å¥"/>
            </vertical>`, null);
        ac.setContentView(view);
    });
    

inflateSxml£ºÓÃÓÚ½âÎö XML ×Ö·û´®²¢×ª»»ÎªÊÓͼ¶ÔÏó¡£
setContentView£ºÉèÖõ±Ç°»î¶¯µÄÄÚÈÝÊÓͼ¡£

  1. ÉèÖð´Å¥µã»÷ʼþ

    var btn1 = ac.findViewById("button1");
    btn1.setOnClickListener(() => {
        // ºÄʱ´úÂë±ØÐëÔÚÐÂÏß³ÌÖÐÔËÐÐ
        var t1 = new thread();
        t1.runJsCode(() => {
            println("²âÊÔUI")
        }, "Ïß³Ì1");
    });
    

findViewById£º»ñÈ¡ÊÓͼÖÐ ID Ϊ button1 µÄ°´Å¥¡£
setOnClickListener£ºÉèÖð´Å¥µÄµã»÷ʼþ¡£
ʹÓÃÐÂÏß³ÌÔËÐкÄʱ²Ù×÷£¬È·±£½çÃæÁ÷³©¡£

  1. ÏÔʾ»î¶¯

    ac.show();
    

    show£ºÓÃÓÚÏÔʾָ¶¨µÄ»î¶¯¡£

Õâ¸öʾÀýչʾÁËÈçºÎʹÓà JavaScript Ä£Äâ Android »î¶¯ÖеĻù±¾²Ù×÷£¬°üÀ¨²¼¾Ö¼ÓÔغÍʼþ´¦Àí¡£

µÚ°Ë¸öÀý×Ó˵Ã÷£º

new activity().loadLayoutFile(¡®¡¯)

// ³õʼ»¯Ò»¸öactivityÒ³Ãæ
var ac = new activity();

// ¼ÓÔØXML²¼¾ÖÎļþ²¢ÏÔʾUI
ac.loadLayoutFile("/´úÂë/layout.xml");

// ¿ÉÒÔÔÚ¼ÓÔØÍê²¼¾Öºó½øÐÐÆäËûUI¿Ø¼þµÄ²Ù×÷
// ÀýÈ磬ÕÒµ½Ò»¸ö°´Å¥²¢ÉèÖõã»÷ʼþ
// var button = ac.findViewById("button_id");
// button.setOnClickListener(() => {
//     printl("°´Å¥±»µã»÷");
// });

// ÏÔʾactivity
ac.show();

Çë¸ù¾Ýʵ¼ÊÐèÒªÌæ»»¡±/´úÂë/layout.xml¡±ÎªÄãµÄXMLÎļþµÄʵ¼Ê·¾¶¡£ÉÏÊö´úÂëʾÀýÐèÒªÔÚÖ§³ÖÕâÒ»APIµÄ»·¾³ÏÂÖ´ÐС£

µÚ¾Å¸öÀý×Ó˵Ã÷£º

new activity().loadSXML(`    <vertical>
        <button text="µÚÒ»¸ö°´Å¥"/>
        <button text="µÚ¶þ¸ö°´Å¥"/>
    </vertical>`)

loadSXML ·½·¨£ºÓÃÓÚ¼ÓÔØÀà XML ²¼¾Ö´úÂë¡£ËüÖ§³Ö½Ï¼òµ¥µÄ UI ²¼¾Ö¡£
²ÎÊý arg0£º½ÓÊÜÀà XML ²¼¾Ö´úÂëµÄ×Ö·û´®¡£
ʾÀýÖУ¬´´½¨ÁËÒ»¸ö vertical ²¼¾Ö£¬ÆäÖаüº¬Á½¸ö°´Å¥£¬Ã¿¸ö°´Å¥ÏÔʾ²»Í¬µÄÎı¾¡£

µÚÊ®¸öÀý×Ó˵Ã÷£º

// ¼ÓÔØxmlÎļþ²¢ÏÔʾUI
var ac = new activity();
ac.loadLayoutFile("/´úÂë/layout.xml");

// ¼ÓÔؼò°æxml
var ac = new activity();
ac.loadSXML(`
    <vertical>
        <button text="µÚÒ»¸ö°´Å¥"/>
        <button text="µÚ¶þ¸ö°´Å¥"/>
    </vertical>
`);

// ¼ÓÔØxml
var ac = new activity();
ac.loadXML(`
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    androidrientation="vertical"
    android:padding="8dp">
    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/button1"
        android:text="¿ªÊ¼" />
</LinearLayout>
`);

Õâ¶Î´úÂëչʾÁËÈçºÎͨ¹ýÈýÖÖ²»Í¬µÄ·½Ê½¼ÓÔغÍÏÔʾXML²¼¾ÖÎļþ¡£ÒÔÏÂÊÇÿÖÖ·½Ê½µÄ˵Ã÷£º

  1. ¼ÓÔØXMLÎļþ²¢ÏÔʾUI£º

    var ac = new activity();
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