MyBrowserActivity.java

package com.mobidev.webview;

import android.graphics.Bitmap;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.webkit.WebChromeClient;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.ProgressBar;

/**
 * Created by lawrence on 7/10/15.
 */
public class MyBrowserActivity extends AppCompatActivity {

    public static final String ARG_URL = "my_url";
    private String urlToLoad;

    private WebView webView;

    private Bundle extras;

    private ProgressBar progressBar;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_my_browser);

        getSupportActionBar().setDisplayHomeAsUpEnabled(true);

        extras = getIntent().getExtras();
        if (extras != null) {
            urlToLoad = extras.getString(ARG_URL);
        }

        progressBar = (ProgressBar) findViewById(R.id.progressbar);

        webView = (WebView) findViewById(R.id.webview);
        webView.getSettings().setLoadsImagesAutomatically(true);
        webView.getSettings().setJavaScriptEnabled(true);
        webView.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);

        webView.setWebViewClient(new WebViewClient() {
            @Override
            public void onPageStarted(WebView view, String url, Bitmap favicon) {
                super.onPageStarted(view, url, favicon);
                // Show progressbar
                progressBar.setVisibility(View.VISIBLE);
            }

            @Override
            public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
                // Show error
                // Stop spinner or progressbar
                progressBar.setVisibility(View.GONE);

            }

            @Override
            public void onPageFinished(WebView view, String url) {
                super.onPageFinished(view, url);
                // Stop spinner or progressBar
                progressBar.setVisibility(View.GONE);

            }
        });

        webView.setWebChromeClient(new WebChromeClient() {
            public void onProgressChanged(WebView view, int progress) {
                // Activities and WebViews measure progress with different scales.
                // The progress meter will automatically disappear when we reach 100%
                progressBar.setProgress(progress * 100);
            }
        });

        webView.loadUrl(urlToLoad);
    }


}