this is a sample for webview .

WebViewDemo.java

package com.wukongtv.wkremote.client;

import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarActivity;
import android.view.MenuItem;
import android.view.View;
import android.view.Window;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.ImageView;
import android.widget.TextView;



public class ErrorActivity extends ActionBarActivity implements View.OnClickListener {
    //    ProgressDialog mPd;
    private boolean mToggleIndeterminate = true;
    WebView userGuide;
    TextView tvBack,tvPre,tvRefresh;
    MenuItem mProgressMenu;
    TextView tvTitle;
    String mUrl;
    public static final String WEBSITE_URL = "website";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // Request progress bar
        requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
        setContentView(R.layout.wv_user_guide);
        setProgressBarIndeterminateVisibility(mToggleIndeterminate);

//        getSupportActionBar().setHomeButtonEnabled(true);
//        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
//        getSupportActionBar().setDisplayShowHomeEnabled(true);
        getSupportActionBar().setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
        getSupportActionBar().setCustomView(R.layout.about_actionbar);

        tvTitle = (TextView) findViewById(R.id.actionbar_title);
        ImageView imgBack = (ImageView) findViewById(R.id.about_actionbar_back);

        tvTitle.setText(getString(R.string.txt_error_guide));

        Intent i = getIntent();
        mUrl = i.getStringExtra(WEBSITE_URL);

//        tvBack = (TextView)findViewById(R.id.webview_back);
//        tvPre = (TextView)findViewById(R.id.webview_advance);
//        tvRefresh = (TextView)findViewById(R.id.webview_refresh);

//        tvBack.setOnClickListener(this);
//        tvPre.setOnClickListener(this);
//        tvRefresh.setOnClickListener(this);
        imgBack.setOnClickListener(this);
        userGuide = (WebView) findViewById(R.id.user_guide);
        WebSettings webSettings = userGuide.getSettings();
        webSettings.setJavaScriptEnabled(true);
        userGuide.setBackgroundColor(getResources().getColor(R.color.webview_bg_color));
        userGuide.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);

        userGuide.loadUrl(mUrl);
        userGuide.setWebViewClient(new WebViewClient() {
            @Override
            public boolean shouldOverrideUrlLoading(WebView view, String url) {
                view.loadUrl(url);
                return true;
            }

            @Override
            public void onPageFinished(WebView view, String url) {
                super.onPageFinished(view, url);
                mToggleIndeterminate = false;
                tvTitle.setVisibility(View.VISIBLE);
                setProgressBarIndeterminateVisibility(mToggleIndeterminate);
            }
        });
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case android.R.id.home:
                finish();
                break;
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()){
//            case R.id.webview_back:
//                if(userGuide.canGoBack()){
//                    userGuide.goBack();
//                }
//                break;
//            case R.id.webview_advance:
//                userGuide.goForward();
//                setProgressBarIndeterminateVisibility(true);
//                break;
//            case R.id.webview_refresh:
//                userGuide.reload();
//                tvTitle.setVisibility(View.INVISIBLE);
//                setProgressBarIndeterminateVisibility(true);
//                break;
            case R.id.about_actionbar_back:
                finish();
                break;
        }
    }
}