Java tutorial
/*** Copyright (c) 2012-2013 Samuele Rini 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 3 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, see http://www.gnu.org/licenses *** https://github.com/dentex/ytdownloader/ https://sourceforge.net/projects/ytdownloader/ *** Different Licenses and Credits where noted in code comments. */ package dentex.youtube.downloader.menu; import com.bugsense.trace.BugSenseHandler; import android.app.Activity; import android.content.ActivityNotFoundException; import android.content.Intent; import android.content.SharedPreferences; import android.content.SharedPreferences.OnSharedPreferenceChangeListener; import android.content.pm.PackageManager.NameNotFoundException; import android.net.Uri; import android.os.Bundle; import android.preference.ListPreference; import android.preference.Preference; import android.preference.Preference.OnPreferenceClickListener; import android.preference.PreferenceCategory; import android.preference.PreferenceFragment; import android.preference.PreferenceManager; import android.support.v4.app.NavUtils; import android.util.Log; import android.view.Window; import dentex.youtube.downloader.R; import dentex.youtube.downloader.docs.ApacheShowActivity; import dentex.youtube.downloader.docs.CcShowActivity; import dentex.youtube.downloader.docs.ChangelogActivity; import dentex.youtube.downloader.docs.CreditsShowActivity; import dentex.youtube.downloader.docs.GplShowActivity; import dentex.youtube.downloader.docs.LgplShowActivity; import dentex.youtube.downloader.docs.MitShowActivity; import dentex.youtube.downloader.docs.MplShowActivity; import dentex.youtube.downloader.docs.TranslatorsListActivity; import dentex.youtube.downloader.utils.PopUps; import dentex.youtube.downloader.utils.Utils; public class AboutActivity extends Activity { public static final String DEBUG_TAG = "AboutActivity"; public static String chooserSummary; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); BugSenseHandler.leaveBreadcrumb("AboutActivity_onCreate"); this.setTitle(R.string.title_activity_about); getWindow().requestFeature(Window.FEATURE_ACTION_BAR); // Theme init Utils.themeInit(this); // Language init Utils.langInit(this); // Load default preferences values PreferenceManager.setDefaultValues(this, R.xml.about, false); // Display the fragment as the main content. getFragmentManager().beginTransaction().replace(android.R.id.content, new AboutFragment()).commit(); setupActionBar(); } private void setupActionBar() { getActionBar().setDisplayHomeAsUpEnabled(true); } @Override public boolean onOptionsItemSelected(android.view.MenuItem item) { if (item.getItemId() == android.R.id.home) { NavUtils.navigateUpFromSameTask(this); return true; } return super.onOptionsItemSelected(item); } public static class AboutFragment extends PreferenceFragment implements OnSharedPreferenceChangeListener { private Preference credits; private Preference gpl; private Preference mit; private Preference lgpl; private Preference apache; private Preference cc; private Preference mpl; private Preference git; private Preference hg; private Preference share; private Preference cl; private Preference loc; private Preference tw; private Preference tr; private Preference xda; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); addPreferencesFromResource(R.xml.about); for (int i = 0; i < getPreferenceScreen().getPreferenceCount(); i++) { initSummary(getPreferenceScreen().getPreference(i)); } credits = (Preference) findPreference("credits"); credits.setOnPreferenceClickListener(new OnPreferenceClickListener() { public boolean onPreferenceClick(Preference preference) { Intent intent = new Intent(getActivity(), CreditsShowActivity.class); startActivity(intent); return true; } }); gpl = (Preference) findPreference("gpl"); gpl.setOnPreferenceClickListener(new OnPreferenceClickListener() { public boolean onPreferenceClick(Preference preference) { Intent intent = new Intent(getActivity(), GplShowActivity.class); startActivity(intent); return true; } }); mit = (Preference) findPreference("mit"); mit.setOnPreferenceClickListener(new OnPreferenceClickListener() { public boolean onPreferenceClick(Preference preference) { Intent intent = new Intent(getActivity(), MitShowActivity.class); startActivity(intent); return true; } }); lgpl = (Preference) findPreference("lgpl"); lgpl.setOnPreferenceClickListener(new OnPreferenceClickListener() { public boolean onPreferenceClick(Preference preference) { Intent intent = new Intent(getActivity(), LgplShowActivity.class); startActivity(intent); return true; } }); apache = (Preference) findPreference("apache"); apache.setOnPreferenceClickListener(new OnPreferenceClickListener() { public boolean onPreferenceClick(Preference preference) { Intent intent = new Intent(getActivity(), ApacheShowActivity.class); startActivity(intent); return true; } }); cc = (Preference) findPreference("cc"); cc.setOnPreferenceClickListener(new OnPreferenceClickListener() { public boolean onPreferenceClick(Preference preference) { Intent intent = new Intent(getActivity(), CcShowActivity.class); startActivity(intent); return true; } }); mpl = (Preference) findPreference("mpl"); mpl.setOnPreferenceClickListener(new OnPreferenceClickListener() { public boolean onPreferenceClick(Preference preference) { Intent intent = new Intent(getActivity(), MplShowActivity.class); startActivity(intent); return true; } }); git = (Preference) findPreference("ytd_code_git"); git.setOnPreferenceClickListener(new OnPreferenceClickListener() { public boolean onPreferenceClick(Preference preference) { String url = "https://github.com/dentex/ytdownloader/"; Intent i = new Intent(Intent.ACTION_VIEW); i.setData(Uri.parse(url)); startActivity(i); return true; } }); hg = (Preference) findPreference("ytd_code_hg"); hg.setOnPreferenceClickListener(new OnPreferenceClickListener() { public boolean onPreferenceClick(Preference preference) { String url = "https://sourceforge.net/projects/ytdownloader/"; Intent i = new Intent(Intent.ACTION_VIEW); i.setData(Uri.parse(url)); startActivity(i); return true; } }); share = (Preference) findPreference("share"); share.setOnPreferenceClickListener(new OnPreferenceClickListener() { public boolean onPreferenceClick(Preference preference) { try { Intent shareIntent = new Intent(android.content.Intent.ACTION_SEND); shareIntent.setType("text/plain"); shareIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, "YouTube Downloader"); String shareMessage = getString(R.string.share_message); shareIntent.putExtra(android.content.Intent.EXTRA_TEXT, shareMessage); startActivity(Intent.createChooser(shareIntent, getString(R.string.share_message))); } catch (final ActivityNotFoundException e) { Utils.logger("d", "No suitable Apps found.", DEBUG_TAG); PopUps.showPopUp(getString(R.string.attention), getString(R.string.share_warning), "alert", AboutFragment.this.getActivity()); } return true; } }); loc = (Preference) findPreference("help_translate"); loc.setOnPreferenceClickListener(new OnPreferenceClickListener() { public boolean onPreferenceClick(Preference preference) { String url = "http://www.getlocalization.com/ytdownloader/"; Intent i = new Intent(Intent.ACTION_VIEW); i.setData(Uri.parse(url)); startActivity(i); return true; } }); xda = (Preference) findPreference("xda"); xda.setOnPreferenceClickListener(new OnPreferenceClickListener() { public boolean onPreferenceClick(Preference preference) { String url = "http://forum.xda-developers.com/showthread.php?p=37708791"; Intent i = new Intent(Intent.ACTION_VIEW); i.setData(Uri.parse(url)); startActivity(i); return true; } }); cl = (Preference) findPreference("changelog"); try { String version = "v" + AboutFragment.this.getActivity().getPackageManager() .getPackageInfo(AboutFragment.this.getActivity().getPackageName(), 0).versionName; cl.setSummary(version); Utils.logger("v", "YTD " + version, DEBUG_TAG); } catch (NameNotFoundException e1) { Log.e(DEBUG_TAG, "version not read: " + e1.getMessage()); cl.setSummary(""); } cl.setOnPreferenceClickListener(new OnPreferenceClickListener() { public boolean onPreferenceClick(Preference preference) { Intent intent = new Intent(getActivity(), ChangelogActivity.class); startActivity(intent); return true; } }); tw = (Preference) findPreference("tweet"); tw.setOnPreferenceClickListener(new OnPreferenceClickListener() { public boolean onPreferenceClick(Preference preference) { /* * http://www.androidsnippets.com/open-twitter-via-intent * http://www.androidsnippets.com/users/hyperax */ try { Utils.logger("d", "twitter direct link", DEBUG_TAG); startActivity( new Intent(Intent.ACTION_VIEW, Uri.parse("twitter://user?screen_name=@twidentex"))); } catch (Exception e) { Utils.logger("d", "twitter WEB link", DEBUG_TAG); startActivity( new Intent(Intent.ACTION_VIEW, Uri.parse("https://twitter.com/#!/@twidentex"))); } return true; } }); tr = (Preference) findPreference("translators"); tr.setOnPreferenceClickListener(new OnPreferenceClickListener() { public boolean onPreferenceClick(Preference preference) { Intent intent = new Intent(getActivity(), TranslatorsListActivity.class); startActivity(intent); return true; } }); } public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) { updatePrefSummary(findPreference(key)); } private void initSummary(Preference p) { if (p instanceof PreferenceCategory) { PreferenceCategory pCat = (PreferenceCategory) p; for (int i = 0; i < pCat.getPreferenceCount(); i++) { initSummary(pCat.getPreference(i)); } } else { updatePrefSummary(p); } } private void updatePrefSummary(Preference p) { if (p instanceof ListPreference) { ListPreference listPref = (ListPreference) p; p.setSummary(listPref.getEntry()); } } } }