layout_grid_screens.xml

<android.support.v7.widget.GridLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:grid="http://schemas.android.com/apk/res-auto"

    android:id="@+id/grid_screens"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_centerHorizontal="true"
    grid:alignmentMode="alignBounds"

    grid:columnCount="2"
    android:padding="0dp"
    grid:rowOrderPreserved="false"
    grid:useDefaultMargins="false"

    android:focusable="true"
    android:focusableInTouchMode="true">

    <com.example.Examples.ScreenView
        android:id="@+id/screen_1"
        android:layout_width="1dp"
        android:layout_height="1dp"
        grid:layout_columnWeight="1"
        grid:layout_gravity="fill_horizontal"
        grid:layout_rowWeight="1"
        android:background="#FF33B5E5"
        android:gravity="center"
        android:focusable="true"
        android:focusableInTouchMode="true"/>

    <com.example.Examples.ScreenView
        android:id="@+id/screen_2"
        android:layout_width="1dp"
        android:layout_height="1dp"
        grid:layout_columnWeight="1"
        grid:layout_gravity="fill_horizontal"
        grid:layout_rowWeight="1"
        android:background="#FF33B5E5"
        android:gravity="center"
        android:focusable="true"
        android:focusableInTouchMode="true"/>

    <com.example.Examples.ScreenView
        android:id="@+id/screen_3"
        android:layout_width="1dp"
        android:layout_height="1dp"
        grid:layout_columnWeight="1"
        grid:layout_gravity="fill_horizontal"
        grid:layout_rowWeight="1"
        android:background="#FF33B5E5"
        android:gravity="center"
        android:focusable="true"
        android:focusableInTouchMode="true"/>

    <com.example.Examples.ScreenView
        android:id="@+id/screen_4"
        android:layout_width="1dp"
        android:layout_height="1dp"
        grid:layout_columnWeight="1"
        grid:layout_gravity="fill_horizontal"
        grid:layout_rowWeight="1"
        android:background="#FF33B5E5"
        android:gravity="center"
        android:focusable="true"
        android:focusableInTouchMode="true"/>

    <com.example.Examples.ScreenView
        android:id="@+id/screen_5"
        android:layout_width="1dp"
        android:layout_height="1dp"
        grid:layout_columnWeight="1"
        grid:layout_gravity="fill_horizontal"
        grid:layout_rowWeight="1"
        android:background="#FF33B5E5"
        android:gravity="center"
        android:focusable="true"
        android:focusableInTouchMode="true"/>

    <com.example.Examples.ScreenView
        android:id="@+id/screen_6"
        android:layout_width="1dp"
        android:layout_height="1dp"
        grid:layout_columnWeight="1"
        grid:layout_gravity="fill_horizontal"
        grid:layout_rowWeight="1"
        android:background="#FF33B5E5"
        android:gravity="center"
        android:focusable="true"
        android:focusableInTouchMode="true"/>

    <com.example.Examples.ScreenView
        android:id="@+id/screen_7"
        android:layout_width="1dp"
        android:layout_height="1dp"
        grid:layout_columnWeight="1"
        grid:layout_gravity="fill_horizontal"
        grid:layout_rowWeight="1"
        android:background="#FF33B5E5"
        android:gravity="center"
        android:focusable="true"
        android:focusableInTouchMode="true"/>

    <com.example.Examples.ScreenView
        android:id="@+id/screen_8"
        android:layout_width="1dp"
        android:layout_height="1dp"
        grid:layout_columnWeight="1"
        grid:layout_gravity="fill_horizontal"
        grid:layout_rowWeight="1"
        android:background="#FF33B5E5"
        android:gravity="center"
        android:focusable="true"
        android:focusableInTouchMode="true"/>

    <com.example.Examples.ScreenView
        android:id="@+id/screen_9"
        android:layout_width="1dp"
        android:layout_height="1dp"
        grid:layout_columnWeight="1"
        grid:layout_gravity="fill_horizontal"
        grid:layout_rowWeight="1"
        android:background="#FF33B5E5"
        android:gravity="center"
        android:focusable="true"
        android:focusableInTouchMode="true"/>

</android.support.v7.widget.GridLayout>