Java tutorial
/* * This file is part of OppiaMobile - https://digital-campus.org/ * * OppiaMobile 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 3 of the License, or * (at your option) any later version. * * OppiaMobile 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 OppiaMobile. If not, see <http://www.gnu.org/licenses/>. */ package org.digitalcampus.oppia.widgets; import java.util.HashMap; import java.util.Locale; import org.bright.future.oppia.mobile.learning.R; import org.digitalcampus.oppia.activity.CourseActivity; import org.digitalcampus.oppia.activity.PrefsActivity; import org.digitalcampus.oppia.application.MobileLearning; import org.digitalcampus.oppia.application.Tracker; import org.digitalcampus.oppia.model.Activity; import org.digitalcampus.oppia.model.Course; import org.digitalcampus.oppia.utils.MetaDataUtils; import org.json.JSONException; import org.json.JSONObject; import android.os.Bundle; import android.preference.PreferenceManager; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.webkit.WebView; import android.webkit.WebSettings.PluginState; import android.webkit.WebViewClient; import android.widget.LinearLayout.LayoutParams; import android.widget.TextView; public class UrlWidget extends WidgetFactory { public static final String TAG = UrlWidget.class.getSimpleName(); public static UrlWidget newInstance(Activity activity, Course course, boolean isBaseline) { UrlWidget myFragment = new UrlWidget(); Bundle args = new Bundle(); args.putSerializable(Activity.TAG, activity); args.putSerializable(Course.TAG, course); args.putBoolean(CourseActivity.BASELINE_TAG, isBaseline); myFragment.setArguments(args); return myFragment; } public UrlWidget() { } @SuppressWarnings("unchecked") @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { prefs = PreferenceManager.getDefaultSharedPreferences(super.getActivity()); course = (Course) getArguments().getSerializable(Course.TAG); activity = (org.digitalcampus.oppia.model.Activity) getArguments() .getSerializable(org.digitalcampus.oppia.model.Activity.TAG); this.setIsBaseline(getArguments().getBoolean(CourseActivity.BASELINE_TAG)); View vv = super.getLayoutInflater(savedInstanceState).inflate(R.layout.widget_url, null); LayoutParams lp = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); vv.setLayoutParams(lp); vv.setId(activity.getActId()); if ((savedInstanceState != null) && (savedInstanceState.getSerializable("widget_config") != null)) { setWidgetConfig((HashMap<String, Object>) savedInstanceState.getSerializable("widget_config")); } return vv; } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); // show description if any String desc = activity .getDescription(prefs.getString(PrefsActivity.PREF_LANGUAGE, Locale.getDefault().getLanguage())); TextView descTV = (TextView) getView().findViewById(R.id.widget_url_description); if (desc.length() > 0) { descTV.setText(desc); } else { descTV.setVisibility(View.GONE); } WebView wv = (WebView) getView().findViewById(R.id.widget_url_webview); int defaultFontSize = Integer.parseInt(prefs.getString(PrefsActivity.PREF_TEXT_SIZE, "16")); wv.getSettings().setDefaultFontSize(defaultFontSize); wv.getSettings().setJavaScriptEnabled(true); wv.setWebViewClient(new WebViewClient() { @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { return false; } }); wv.loadUrl(activity .getLocation(prefs.getString(PrefsActivity.PREF_LANGUAGE, Locale.getDefault().getLanguage()))); } @Override protected boolean getActivityCompleted() { // TODO Auto-generated method stub return false; } @Override public void saveTracker() { long timetaken = this.getSpentTime(); if (timetaken < MobileLearning.URL_READ_TIME) { return; } Tracker t = new Tracker(super.getActivity()); JSONObject obj = new JSONObject(); // add in extra meta-data try { MetaDataUtils mdu = new MetaDataUtils(super.getActivity()); obj.put("timetaken", timetaken); obj = mdu.getMetaData(obj); String lang = prefs.getString(PrefsActivity.PREF_LANGUAGE, Locale.getDefault().getLanguage()); obj.put("lang", lang); // if it's a baseline activity then assume completed if (this.isBaseline) { t.saveTracker(course.getCourseId(), activity.getDigest(), obj, true); } else { t.saveTracker(course.getCourseId(), activity.getDigest(), obj, this.getActivityCompleted()); } } catch (JSONException e) { // Do nothing } catch (NullPointerException npe) { //do nothing } } @Override public String getContentToRead() { // TODO Auto-generated method stub return null; } @Override public HashMap<String, Object> getWidgetConfig() { // TODO Auto-generated method stub return null; } @Override public void setWidgetConfig(HashMap<String, Object> config) { // TODO Auto-generated method stub } }