activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

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

</RelativeLayout>

MainActivity.java

package com.example.webview.hellloworld;

import android.app.Activity;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.view.Window;
import android.webkit.WebChromeClient;
import android.webkit.WebView;
import android.webkit.WebViewClient;


public class MainActivity<url> extends Activity {
    public WebView webView;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        this.getWindow().requestFeature(Window.FEATURE_PROGRESS);

        setContentView(R.layout.activity_main);
        getWindow().setFeatureInt(Window.FEATURE_PROGRESS,
                Window.PROGRESS_VISIBILITY_ON);
        webView = (WebView) findViewById(R.id.webView);
        webView.setWebViewClient(new WebViewClient() {

            @Override
            public boolean shouldOverrideUrlLoading(WebView view, String url) {
                view.loadUrl(url);
                return true;
            }

        });
        final Activity activity = this;

        final ProgressDialog progressDialog = new ProgressDialog(activity);
        progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);

        String url = "http://www.google.com";
        webView.loadUrl(url);

        // WebChromeClient give progress etc info
        webView.setWebChromeClient(new WebChromeClient() {

            @Override
            public void onProgressChanged(WebView view, int progress) {
                progressDialog.show();
                progressDialog.setProgress(0);
                activity.setProgress(progress * 1000);

                progressDialog.incrementProgressBy(progress);

                if (progress == 100 && progressDialog.isShowing())
                    progressDialog.dismiss();
            }
        });
    }
}

manifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.webview.hellloworld" >

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

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.example.webview.hellloworld.MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>