Android Open Source - matkakortti-widget Matkakortti Widget App

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Matkakortti Widget is licensed under GPLv2.
 * See LICENSE.txt for more information.
 *//*ww w.j av a2s.  c o  m*/

package fi.iki.dezgeg.matkakorttiwidget.gui;

import android.app.Application;
import android.content.SharedPreferences;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.AsyncTask;
import android.preference.PreferenceManager;

import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;

import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.UnsupportedEncodingException;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.concurrent.TimeUnit;

import fi.iki.dezgeg.matkakorttiwidget.matkakortti.Card;
import fi.iki.dezgeg.matkakorttiwidget.matkakortti.MatkakorttiApi;

public class MatkakorttiWidgetApp extends Application {
    public static final boolean DEBUG = false;
    private static final String ERROR_REPORT_URL = "https://tmtynkky.users.cs.helsinki.fi/error.php";
    private static long MIN_REPORT_INTERVAL_MS = 24 * 3600 * 1000;

    private static PackageInfo packageInfo;
    private static SharedPreferences prefs;

    private Thread.UncaughtExceptionHandler prevUncaughtExceptionHandler;

    // Synchronized since when the app is started from the IDE,
    // the SettingsActivity and the widget updater run concurrently ->
    // both log in to Oma Matkakortti simultaneously -> session errors.
    public static synchronized List<Card> getCardList() throws Exception {
        String username = prefs.getString("username", "<not set>");
        String password = prefs.getString("password", "");

        if (DEBUG && username.equals("dezgegt"))
            return Arrays.asList(
                    new Card("Tyhja", "a", BigDecimal.ZERO, null),
                    new Card("Rahaa", "b", BigDecimal.TEN, null),
                    new Card("Kautta", "c", BigDecimal.ZERO, new Date(113, 11, 28)),
                    new Card("Raha+Kausi", "d", new BigDecimal("99.99"), new Date()),
                    new Card("Paljon rahaa", "e", new BigDecimal("199.99"), null));
        else if (DEBUG && username.equals("dezgege"))
            return Arrays.asList();

        return new MatkakorttiApi(username, password).getCards();
    }

    @Override
    public void onCreate() {
        super.onCreate();
        prefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
        try {
            packageInfo = getPackageManager().getPackageInfo(getPackageName(), 0);
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }

        prevUncaughtExceptionHandler = Thread.getDefaultUncaughtExceptionHandler();
        Thread.setDefaultUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler() {
            @Override
            public void uncaughtException(Thread thread, Throwable e) {
                try {
                    reportException("UncaughtExceptionHandler", e).get(8, TimeUnit.SECONDS);
                } catch (Throwable t) {
                    // ignore
                }

                if (prevUncaughtExceptionHandler != null)
                    prevUncaughtExceptionHandler.uncaughtException(thread, e);
            }
        });
    }

    public static AsyncTask<Void, Void, Void> reportException(final String where, final Throwable e) {
        e.printStackTrace();
        if (prefs.getLong("lastErrorReport", new Date().getTime()) - new Date().getTime() <= MIN_REPORT_INTERVAL_MS)
            return null;
        prefs.edit().putLong("lastErrorReport", new Date().getTime()).commit();

        return new AsyncTask<Void, Void, Void>() {

            @Override
            protected Void doInBackground(Void... voids) {
                try {
                    StringWriter sw = new StringWriter();
                    PrintWriter pw = new PrintWriter(sw);
                    e.printStackTrace(pw);

                    List<NameValuePair> data = new ArrayList<NameValuePair>();
                    data.add(new BasicNameValuePair("where", where));
                    data.add(new BasicNameValuePair("backtrace", sw.toString()));
                    if (packageInfo != null) {
                        data.add(new BasicNameValuePair("version", String.format("%s (%s %s)",
                                packageInfo.versionName, packageInfo.versionCode, DEBUG ? "debug" : "release")));
                    }

                    HttpClient httpclient = new DefaultHttpClient();
                    HttpPost post = new HttpPost(ERROR_REPORT_URL);
                    try {
                        post.setEntity(new UrlEncodedFormEntity(data));
                    } catch (UnsupportedEncodingException uee) {
                    }
                    try {
                        httpclient.execute(post);
                        System.out.println("Error reported.");
                    } catch (IOException e1) {
                    }
                } catch (Throwable t) {
                    // ignore
                }
                return null;
            }
        }.execute();
    }

}

Java Source Code List

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