Java tutorial
/*Copyright (C) 2014 Tower Labs This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.*/ package com.towerlabs.yildizyemek; import android.app.ProgressDialog; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnKeyListener; import android.view.ViewGroup; import android.webkit.WebView; import android.webkit.WebViewClient; public class AboutWeb extends Fragment implements OnKeyListener { public static String URL_KEY = "url_key"; private WebView webView; private ProgressDialog webProgress; @Override public void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // TODO Auto-generated method stub View view = inflater.inflate(R.layout.fragment_web_view, container, false); initComponents(view); return view; } private void initComponents(View view) { view.setOnKeyListener(this); webProgress = new ProgressDialog(getActivity()); webProgress.setMessage("Sayfa Ykleniyor..."); webProgress.show(); webView = (WebView) view.findViewById(R.id.web_view); webView.setWebViewClient(new CustomWebClient()); webView.getSettings().setJavaScriptEnabled(true); webView.setHorizontalScrollBarEnabled(true); webView.loadUrl(getArguments().getString(URL_KEY)); } public static AboutWeb newInstance(String url) { AboutWeb aboutWeb = new AboutWeb(); Bundle arg = new Bundle(); arg.putString(URL_KEY, url); aboutWeb.setArguments(arg); return aboutWeb; } private class CustomWebClient extends WebViewClient { @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { // TODO Auto-generated method stub view.loadUrl(url); if (!webProgress.isShowing()) { webProgress.show(); } return true; } @Override public void onPageFinished(WebView view, String url) { if (webProgress.isShowing()) { webProgress.dismiss(); } } } @Override public boolean onKey(View v, int keyCode, KeyEvent event) { // TODO Auto-generated method stub if (event.getAction() == KeyEvent.ACTION_UP && keyCode == KeyEvent.KEYCODE_BACK) { if (webView.canGoBack()) { webView.goBack(); } else { // getActivity().finish(); MainActivity.exitDialog(); } } return true; } }