ExamReminderApplication.java

package at.tugraz.examreminder;

import android.app.Application;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.preference.PreferenceManager;
import android.util.Log;
import android.view.Display;
import android.view.Surface;
import android.view.WindowManager;
import at.tugraz.examreminder.core.CourseContainer;
import at.tugraz.examreminder.service.CourseListSerializer;
import at.tugraz.examreminder.service.DailyListener;

public class ExamReminderApplication extends Application{

	private static Context context;

    public static boolean useTabletMode(Context context) {
        int use_tablet_mode = Integer.parseInt(PreferenceManager.getDefaultSharedPreferences(context).getString("pref_use_tablet_layout", "0"));
        switch (use_tablet_mode) {
            case 0: return context.getResources().getBoolean(R.bool.isTablet);
            case 1: return true;
            case 2:
                Display display = ((WindowManager) context.getSystemService(WINDOW_SERVICE)).getDefaultDisplay();
                return display.getRotation() == Surface.ROTATION_90 || display.getRotation() == Surface.ROTATION_270;
            default: return false;
        }
    }

    @Override
    public void onCreate(){
        super.onCreate();
        context=getApplicationContext();
        CourseContainer.instance().deleteObservers();
        if(CourseContainer.instance().size() == 0) {
            CourseListSerializer courseListSerializer = new CourseListSerializer();
            CourseContainer.instance().addAll(courseListSerializer.loadCourseListFromFile());
        }
        CourseContainer.instance().addObserver(new CourseListSerializer());
        DailyListener.scheduleMe(context);
    }

    public static Context getAppContext(){
        return context;
    }

    public static String getAppVersion() {
        String version = "<<42>>";
        try {
            PackageManager manager = getAppContext().getPackageManager();
            PackageInfo info = manager.getPackageInfo(getAppContext().getPackageName(), 0);
            version = info.versionName;
        } catch (Exception e) {
            Log.v("EXAM_REMINDER_APPLICATION", "getAppVersion() call failed, maybe no package manager?");
        }
        return version;
    }


}