activty_preview.xml

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@color/cl_home_edit_text"
        android:orientation="vertical"
        >

        <RelativeLayout
            android:id="@+id/title_finish"
            style="@style/title"
            >

            <TextView
                style="@style/text_title"
                android:text="@string/pre_look"
                />

            <ImageView
                android:id="@+id/titile_back"
                style="@style/title_image_back"/>
        </RelativeLayout>

        <android.support.v4.view.ViewPager
            android:id="@+id/vp_preview"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:background="@color/cl_order_text_one"
            android:unselectedAlpha="1">
        </android.support.v4.view.ViewPager>

    </LinearLayout>
</layout>