people_heart/app/src/main/res/layout/fragment_case.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    >

    <RelativeLayout
        android:id="@+id/ll_case"
        android:layout_width="match_parent"
        android:layout_height="@dimen/margin48dp"
        android:background="@color/blue_black">

        <ImageView
            android:id="@+id/iv_back_case"
            android:layout_width="@dimen/margin20dp"
            android:layout_height="@dimen/margin20dp"
            android:src="@drawable/ic_imagepicker_arrow_left"
            android:layout_alignParentLeft="true"
            android:layout_centerInParent="true"
            android:layout_marginLeft="10dp"
            />
        <TextView
            android:id="@+id/tv_title_case"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:gravity="center"
            android:textSize="@dimen/textsize_20"
            android:textColor="@color/white"
            android:layout_centerInParent="true"
            />

    </RelativeLayout>

    <WebView
        android:layout_marginTop="@dimen/margin1dp"
        android:id="@+id/wv_case"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        />

</LinearLayout>