Cant scroll up the web view inside the view pager

[AgemMega]

[AgemMega]

<LinearLayout 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" android:background="@color/white_bg" android:id="@+id/root" app:layout_behavior="@string/appbar_scrolling_view_behavior" android:orientation="vertical">

<ProgressBar
    android:id="@+id/my_progressBar"
    style="@style/Widget.AppCompat.ProgressBar.Horizontal"
    android:layout_width="match_parent"
    android:layout_height="1dp"
    android:indeterminate="false"
    android:max="100"
    android:progress="0"
    android:progressDrawable="@drawable/progress_bar1" />

<WebView
    android:id="@+id/webview"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:overScrollMode="never"
    android:scrollbars="none"
    android:visibility="visible" />