at.alladin.rmbt.android.help.RMBTHelpFragment.java Source code

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Here is the source code for at.alladin.rmbt.android.help.RMBTHelpFragment.java

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/*******************************************************************************
 * Copyright 2013-2016 alladin-IT GmbH
 * 
 * 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 at.alladin.rmbt.android.help;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import at.alladin.openrmbt.android.R;
import at.alladin.rmbt.android.main.AppConstants;
import at.alladin.rmbt.android.util.ConfigHelper;

/**
 * 
 * @author
 * 
 */
public class RMBTHelpFragment extends Fragment {

    // private static final String DEBUG_TAG = "RMBTHelpFragment";

    /**
    * 
    */
    public static final String ARG_URL = "url";

    /**
    * 
    */
    @SuppressLint("SetJavaScriptEnabled")
    @Override
    public View onCreateView(final LayoutInflater inflater, final ViewGroup container,
            final Bundle savedInstanceState) {

        super.onCreateView(inflater, container, savedInstanceState);

        final Bundle args = getArguments();

        String url = args.getString(ARG_URL);

        if (url == null || url.length() == 0)
            url = this.getString(R.string.url_help);

        final Activity activity = getActivity();

        final WebView webview = new WebView(activity) {
            @Override
            public boolean onKeyDown(final int keyCode, final KeyEvent event) {
                if (keyCode == KeyEvent.KEYCODE_BACK && canGoBack()) {
                    goBack();
                    return true;
                }
                return super.onKeyDown(keyCode, event);
            }
        };

        final WebSettings webSettings = webview.getSettings();
        final String userAgent = AppConstants.getUserAgentString(getActivity());
        if (userAgent != null) {
            webSettings.setUserAgentString(userAgent);
        }
        webSettings.setJavaScriptEnabled(true);

        webview.setWebViewClient(new WebViewClient() {
            @Override
            public void onReceivedError(final WebView view, final int errorCode, final String description,
                    final String failingUrl) {
                Log.w(getTag(), "error code:" + errorCode);
                Log.d(getTag(), "error desc:" + description);
                Log.d(getTag(), "error url:" + failingUrl);
                webview.loadUrl("file:///android_res/raw/error.html");
                super.onReceivedError(view, errorCode, description, failingUrl);
            }
        });

        if (!url.matches("^https?://.*")) {
            final String protocol = ConfigHelper.isControlSeverSSL(activity) ? "https" : "http";
            url = protocol + "://" + url;
        }

        webview.loadUrl(url);

        return webview;
    }

}