iki sing nggawe padding

fragment_data_transaksi.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    >
    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/RLPencarianLanjut"
        android:background="@color/grey"
        android:visibility="gone"
        android:padding="@dimen/half_size"
        >
        <RelativeLayout
            android:layout_centerHorizontal="true"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            >
            <ImageView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                app:srcCompat="@drawable/ic_add_black_24dp"
                android:id="@+id/icadvopt"
                />
            <TextView
                android:layout_toRightOf="@+id/icadvopt"
                android:layout_centerInParent="true"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="Opsi Tambahan"
                />

        </RelativeLayout>
    </RelativeLayout>
    <android.support.v7.widget.RecyclerView
        android:padding="6dp"
        android:layout_below="@+id/RLPencarianLanjut"
        android:id="@+id/RVInvoice"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_alignParentBottom="true"
        android:layout_alignParentStart="true" />

    <ProgressBar
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/loadingIcon"
        android:visibility="gone"
        android:layout_centerHorizontal="true"
        android:layout_centerVertical="true"
        />
    <android.support.design.widget.FloatingActionButton
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/tambahBaru"
        android:layout_alignParentEnd="true"
        android:layout_alignParentBottom="true"
        android:layout_marginBottom="@dimen/fab_margin"
        android:layout_marginRight="@dimen/fab_margin"
        app:srcCompat="@drawable/ic_add_white"
        android:visibility="gone"
        />
</RelativeLayout>