android - Why root View return from inflate() does not match with View returned from findViewById()? -


as new-bee again in trouble understanding basics of inflate().

here xml file -

<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    tools:context=".mainactivity"     android:id="@+id/linearlayout"    android:orientation="vertical">   <textview    android:layout_width="wrap_content"    android:layout_height="wrap_content"    android:text="@string/hello_world"    android:id="@+id/textview" />  </linearlayout>

below little basic code -

@override protected void oncreate(bundle savedinstancestate)  {     super.oncreate(savedinstancestate);      setcontentview(r.layout.activity_main);      linearlayout ly = (linearlayout)findviewbyid(r.id.linearlayout);      log.i("system.out ","linear layout = " + ly);      view view=getlayoutinflater().inflate(r.layout.activity_main,null);      linearlayout ly1 = (linearlayout)findviewbyid(r.id.linearlayout);      log.i("system.out ","linear layout = " + view);     log.i("system.out ","linear layout = " + ly1);       }

and output:

05-10 14:30:33.446: i/system.out(26806): linear layout = android.widget.linearlayout@41e28848  05-10 14:30:33.446: i/system.out(26806): linear layout = android.widget.linearlayout@41e29740  05-10 14:30:33.446: i/system.out(26806): linear layout = android.widget.linearlayout@41e28848

what understand 1st , 3rd line of output once call setcontentview() inflating , hence view object in memory after call method. therefore on calling findviewbyid(), return same object of linearlayout view both time in code block. (ly isequalto ly1)

but, why address of linearlayout object in 2nd line of output different, linear layout = android.widget.linearlayout@41e29740 ?

code responsible -

view view=getlayoutinflater().inflate(r.layout.activity_main,null);

i thought return root view, in case linearlayout.

if r.layout.activity_main inflated , there no change in layout(neither addition or removal of view/viewgroup), why address of object(view & ly1) not match?

i tried -

view view=getlayoutinflater().inflate(r.layout.activity_main,null); setcontentview(view);  linearlayout ly1 = (linearlayout)findviewbyid(r.id.linearlayout);  log.i("system.out ","linear layout = " + view);  log.i("system.out ","linear layout = " + ly1);

and got -

i/system.out(2603): linear layout = android.widget.linearlayout@41e09e10  i/system.out(2603): linear layout = android.widget.linearlayout@41e09e10

why ly1 , view object represent same address in case ?

inflate() return new view object. ly , ly1 same object . why expecting differently?

from inflate doc

inflate new view hierarchy specified xml resource.


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