//layout

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:tools="http://schemas.android.com/tools"

android:id="@+id/activity_main"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context="com.hussienalrubaye.androidpermission.MainActivity">

<LinearLayout

android:orientation="vertical"

android:layout_width="match_parent"

android:layout_height="match_parent">

<LinearLayout

android:orientation="horizontal"

android:layout_width="match_parent"

android:layout_height="wrap_content">

<EditText

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:inputType="textPersonName"

android:text=""

android:hint="Enter URL"

android:ems="10"

android:id="@+id/etURL"

android:layout_weight="1" />

<Button

android:onClick="buGo"

android:text="Go"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:id="@+id/button2"

android:layout_weight="1" />

</LinearLayout>

<LinearLayout

android:orientation="horizontal"

android:layout_width="match_parent"

android:layout_height="wrap_content">

<Button

android:onClick="buBack"

android:text="Back"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:id="@+id/button4"

android:layout_weight="1" />

<Button

android:text="Forword"

android:onClick="buForword"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:id="@+id/button3"

android:layout_weight="1" />

</LinearLayout>

<WebView

android:layout_width="match_parent"

android:layout_height="match_parent"

android:id="@+id/wv1" />

</LinearLayout>

</RelativeLayout>

// java code

public class MainActivity extends AppCompatActivity {

//TextView tvDisplay;

EditText etURL;

WebView wv1;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

// tvDisplay=(TextView)findViewById(R.id.tvDisplay);

wv1=(WebView)findViewById(R.id.wv1);

wv1.setWebViewClient(new myWebView());

wv1.getSettings().setJavaScriptEnabled(true);

wv1.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);

etURL=(EditText)findViewById(R.id.etURL);

wv1.loadUrl("http://alruabye.net");

}

public void buGo(View view) {

LoadURL(etURL.getText().toString());

}

void LoadURL(String url){

this.url=url;

wv1.loadUrl(url);

}

public void buBack(View view) {

wv1.goBack();

}

public void buForword(View view) {

wv1.goForward();

}

private class myWebView extends WebViewClient{

@Override

public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request){

return true;

}

}

}

//acces to internet

<uses-permission android:name="android.permission.INTERNET"></uses-permission>