How to anchor two GridView

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in my activity i have 2 gridView. This gridView are in 2 different column. That i want to do is anchor the gridView so when i scroll( or click) in one of the two, the same happens in the other.

This is my xml layout code:

<RelativeLayout xmlns:android="http://ift.tt/nIICcg"
xmlns:tools="http://ift.tt/LrGmb4" android:layout_width="match_parent"
android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin"
tools:context="com.oldmount.fba.MyRoster">

<LinearLayout
    android:id="@+id/prova"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical">

    <TextView
        android:text="SELEZIONA LA TUA ROSA!"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />
</LinearLayout>
<LinearLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal"
    android:layout_below="@id/prova">

    <GridView xmlns:android="http://ift.tt/nIICcg"
        android:id="@+id/cardsGridView"
        android:numColumns="1"
        android:layout_width="0dp"
        android:layout_height="match_parent"
        android:layout_weight="0.5"/>

    <GridView xmlns:android="http://ift.tt/nIICcg"
        android:id="@+id/checkBoxGridView"
        android:numColumns="1"
        android:layout_width="0dp"
        android:layout_height="match_parent"
        android:layout_weight="0.5"/>


</LinearLayout>

Any help is appreciated.

asked 20 secs ago

Matt

25

How to anchor two GridView