создать xml в папке макета
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@color/white">
<WebView android:id="@+id/wv1"
android:layout_height="fill_parent"
android:layout_width="fill_parent"
android:background="@color/white" />
<WebView android:id="@+id/wv2"
android:layout_height="fill_parent"
android:layout_width="fill_parent"
android:background="@color/white"/>
</FrameLayout>
в вашей активности
final String mimeType = "text/html";
final String encoding = "utf-8";
String nBody = "PUT YOUR HTML HERE" ;
WebView wv1 = (WebView)findViewById(R.id.wv2);
wv1.setBackgroundColor(Color.WHITE);
wv1.setInitialScale(65);
WebSettings webSettings1 = wv1.getSettings();
webSettings1.setUseWideViewPort(true);
webSettings1.setDefaultFontSize(12);
wv1.loadDataWithBaseURL(null, nBody, mimeType, encoding, null);