android - ViewHolder and changing one row details -


i'm using listview special layout row 

<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:background="@color/backcolor"     android:id="@+id/linearlayoutmain"     android:orientation="horizontal" >          <textview             android:id="@+id/txtname"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:layout_alignparenttop="true"             android:layout_marginleft="5dp"             android:layout_margintop="5dp"             android:textcolor="@color/redcolor"             android:text="m"             android:textappearance="?android:attr/textappearancemedium" />          <textview             android:id="@+id/txtfamily"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:layout_alignleft="@+id/txtname"             android:layout_below="@+id/txtname"             android:paddingbottom="5dp"             android:textcolor="@color/black"             android:layout_marginright="2dp"             android:text="s"             android:textappearance="?android:attr/textappearancesmall" /> </linearlayout>

and i'm using viewholder usual.
when user tap on linearlayoutmain text of txtname change; how can save new value of txtname during scroll?

actually don't want change dataset; i'm going this
used set currentcontact.name text txtname
want : 

txtname.settext(currentcontact.nickname);

but how can save new value of txtname during scroll?

you have modify element in dataset used fill listview


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