<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
android:id="@+id/g"
android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin">

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

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_marginTop="22dp"
        android:layout_marginBottom="22dp"
        android:textSize="23sp"
        android:text="CATEGORIES" />

        <GridView
            android:id="@+id/gridView_selectCategoriesLayout_categories"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:columnWidth="90dp"

            android:gravity="center"
            android:horizontalSpacing="2dp"
            android:numColumns="2"
            android:stretchMode="columnWidth"
            android:verticalSpacing="2dp"
            />

</LinearLayout>

<RelativeLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_alignParentBottom="true"
    android:visibility="gone"
    android:clickable="true"
    android:id="@+id/button_selectCategoriesLayout_continue"
    android:alpha="0.8">

    <Button
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:background="#22c064"/>

    <ImageView
        android:layout_width="25dp"
        android:layout_height="25dp"
        android:layout_centerInParent="true"
        android:background="#22c064"
        android:src="@drawable/checkmark"
        />



</RelativeLayout>

<com.entu.artapp.utils.SquareRelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/root"
android:gravity="center_horizontal">

<com.entu.artapp.utils.SquareImageView
    android:id="@+id/gridItem_squareImageView"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:scaleType="centerCrop"
    android:visibility="invisible"
    />

<com.entu.artapp.utils.SquareImageView
    android:id="@+id/gridItem_selectedColor"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#e85349"
    android:visibility="invisible"
    android:alpha="0.45"
    android:scaleType="centerCrop"/>

<com.entu.artapp.utils.SquareImageView
    android:id="@+id/gridItem_constantGrey"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#000000"
    android:alpha="0.45"
    android:scaleType="centerCrop"/>

<com.entu.artapp.utils.RectangularLinearLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:gravity="center"
    android:id="@+id/s"
    android:orientation="vertical">

    <ImageView
        android:id="@+id/gridItem_selectedCheckMark"
        android:layout_width="20dp"
        android:layout_height="20dp"
        android:src="@drawable/checkmark"
        android:visibility="invisible"
        />

</com.entu.artapp.utils.RectangularLinearLayout>

<ProgressBar
    android:id="@+id/gridItem_progressBar"
    style="?android:attr/progressBarStyleSmall"
    android:layout_width="40dp"
    android:layout_height="40dp"
    android:layout_centerInParent="true"
    android:visibility="visible"/>

<TextView
    android:id="@+id/gridItem_textView"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_centerInParent="true"
    android:textColor="#ffffff"
    android:textSize="15sp"
    android:textAllCaps="true"
    android:textStyle="bold"
    android:visibility="invisible"/>

@OnClick(R.id.button_selectCategoriesLayout_continue)
public void setContinueButton () {
    ParseUser.getCurrentUser().put("followedCategories", categoriesSelectedList);
    ParseUser.getCurrentUser().put("followedCategoriesNames", categoriesNamesSelectedList);
    ParseUser.getCurrentUser().saveInBackground();
}