com.analysedesgeeks.android.WebFragment.java Source code

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Here is the source code for com.analysedesgeeks.android.WebFragment.java

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/*
 * Copyright (C) 2012 Thierry-Dimitri Roy <thierryd@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.analysedesgeeks.android;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;

public class WebFragment extends Fragment {

    protected static final String URL = "URL";

    static WebFragment newInstance(final String url) {
        final WebFragment f = new WebFragment();

        final Bundle args = new Bundle();
        args.putString(URL, url);
        f.setArguments(args);

        return f;
    }

    private String url;
    private WebView webview;

    public boolean goBack() {
        if (webview.canGoBack()) {
            webview.goBack();
            return true;
        }
        return false;
    }

    @Override
    public void onCreate(final Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        url = getArguments() != null ? getArguments().getString(URL) : null;
    }

    @Override
    public View onCreateView(final LayoutInflater inflater, final ViewGroup container,
            final Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        final View v = inflater.inflate(R.layout.fragment_webview, container, false);

        webview = (WebView) v.findViewById(R.id.webview);

        final WebSettings settings = webview.getSettings();
        settings.setJavaScriptEnabled(true);
        settings.setDomStorageEnabled(true);
        settings.setDefaultZoom(WebSettings.ZoomDensity.FAR);
        settings.setSupportZoom(true);
        settings.setBuiltInZoomControls(true);

        //load a custom user agent 
        //see http://stackoverflow.com/questions/6856814/problems-loading-mobile-twitter-in-webview
        settings.setUserAgentString(
                "Mozilla/5.0 (Linux; U; Android 2.0; en-us; Droid Build/ESD20) AppleWebKit/530.17 (KHTML, like Gecko) Version/4.0 Mobile Safari/530.17");

        final View loading = v.findViewById(R.id.loading);

        webview.setWebViewClient(new WebViewClient() {

            @Override
            public void onPageFinished(final WebView view, final String url) {
                loading.setVisibility(View.GONE);
            }
        });

        webview.loadUrl(url);

        return v;
    }
}