activity_konwledge_detail.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:orientation="vertical">

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

            <TextView
                android:id="@+id/tv_title"
                style="@style/text_title"
                android:text="" />

            <ImageView
                android:id="@+id/title_back"
                style="@style/title_image_back"

                />

        </RelativeLayout>

        <ImageView style="@style/card_line" />

        <WebView
            android:id="@+id/webView"
            android:layout_width="match_parent"
            android:layout_height="match_parent"/>

    </LinearLayout>
</layout>