DailyNotificationAlarmPushReceiver.java

package com.rirdev.aafl.demo.notification.daily;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
import android.widget.Toast;
import com.rirdev.aafl.DateUtils;
import com.rirdev.aafl.demo.R;
import org.joda.time.DateTime;

/**
 * Created by IgorOK on 22.03.2015.
 */
public class DailyNotificationAlarmPushReceiver extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {

        final String prop_daily_reminder_if_no_transaction_today_key =
                context.getString(R.string.prop_daily_reminder_if_no_transaction_today);

        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(context);
        boolean notify_only_when_no_trans_today = p.getBoolean(prop_daily_reminder_if_no_transaction_today_key, false);

        if (!notify_only_when_no_trans_today) {
            show(context);
        } else {
            boolean areExistTransactionsToday = true;
            // TODO: check if there are transactions today
            if (areExistTransactionsToday) {
                show(context);
            }

        }

    }

    private void show(Context context) {
        DailyNotificationHelper.showNotification(context, null);
        String date = DateUtils.formatDateTimeFull(DateTime.now().getMillis());
        Toast.makeText(context, date, Toast.LENGTH_LONG).show();
    }

}

DailyNotificationHelper.java

package com.rirdev.aafl.demo.notification.daily;

import android.app.AlarmManager;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.media.RingtoneManager;
import android.preference.PreferenceManager;
import android.support.v4.app.NotificationCompat;
import android.widget.Toast;
import com.rirdev.aafl.DateUtils;
import com.rirdev.aafl.demo.MainActivityDemo;
import com.rirdev.aafl.demo.R;
import com.rirdev.aafl.demo.window.budget.BudgetContextFactory;
import com.rirdev.aafl.demo.window.transaction.TransactionContextFactory;
import com.rirdev.aafl.preferences.AppPreferenceActivity;
import com.rirdev.aafl.preferences.TimePreference;
import org.joda.time.DateTime;

/**
 * Created by IgorOK on 22.03.2015.
 */
public class DailyNotificationHelper {

    private static final int NOTIFY_ID = 1;

    public static final long INTERVAL_8_SECONDS = 8 * 1000;

    private static PendingIntent createPendingIntent(Context c) {
        Intent i = new Intent(c, DailyNotificationAlarmPushReceiver.class);
        i.putExtra(MainActivityDemo.CONTEXT_FACTORY_BUNDLE_KEY, TransactionContextFactory.class.getName());
        return PendingIntent.getBroadcast(c, 0, i, PendingIntent.FLAG_UPDATE_CURRENT);
    }

    public static void reschedule(Context context, int hours, int minutes) {
        AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);

        PendingIntent pi = createPendingIntent(context);

        am.cancel(pi);

        long interval = AlarmManager.INTERVAL_DAY;  // INTERVAL_8_SECONDS   AlarmManager.INTERVAL_DAY;
        DateTime now = DateTime.now();
        DateTime startDate = now
                .withHourOfDay(hours)
                .withMinuteOfHour(minutes)
                .withSecondOfMinute(0)
                .withMillisOfSecond(0);
        if (now.getMillis() > startDate.getMillis()) {
            startDate = startDate.plusDays(1);
        }
        //DateTime startDate = DateTime.now().plusMinutes(1).withSecondOfMinute(0).withMillisOfSecond(0);
        am.setRepeating(AlarmManager.RTC_WAKEUP, startDate.getMillis(), interval, pi);
        Toast.makeText(context, "Alarm Set " + DateUtils.formatDateTimeFull(startDate.getMillis()),
                Toast.LENGTH_SHORT).show();
    }

    public static void rescheduleFromPreferences(Context context, SharedPreferences sharedPreferences) {

        final String prop_daily_reminder_enable_key =
                context.getString(R.string.prop_daily_reminder_enable);

        final String prop_daily_reminder_time_key =
                context.getString(R.string.prop_daily_reminder_time);

        boolean is_reminder_enable = sharedPreferences.getBoolean(prop_daily_reminder_enable_key, false);
        if (is_reminder_enable) {
            String timeStr = sharedPreferences.getString(prop_daily_reminder_time_key, "--:--");
            int hours   = TimePreference.getHour(timeStr);
            int minutes = TimePreference.getMinute(timeStr);
            reschedule(context, hours, minutes);
        } else {
            cancel(context);
        }
    }

    /**
     * Schedule AlarmManager for "No transactions today" notification event. It get parameters from preferences.
     * Canceled schedule if turned off in preferences.
     *
     * @param context
     */
    public static void rescheduleFromPreferences(Context context) {
        rescheduleFromPreferences(context, PreferenceManager.getDefaultSharedPreferences(context));
    }

    public static void cancel(Context context) {
        AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
        PendingIntent pi = createPendingIntent(context);
        am.cancel(pi);
        Toast.makeText(context, "Alarm Canceled ", Toast.LENGTH_SHORT).show();
    }

    public static void showNotification(Context context, String text) {

        NotificationManager mNotificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);

        if (text == null) {
            text = " Date " + DateUtils.formatDateTimeFull(System.currentTimeMillis());
        }

        PendingIntent pIntentActionAdd = PendingIntent.getActivity(context, 0, new Intent(context, MainActivityDemo.class),
                PendingIntent.FLAG_UPDATE_CURRENT);

        PendingIntent pIntentActionSettings = PendingIntent.getActivity(context, 0, new Intent(context, AppPreferenceActivity.class),
                PendingIntent.FLAG_UPDATE_CURRENT);

        NotificationCompat.Builder mBuilder =
                new NotificationCompat.Builder(context)
                        .setSmallIcon(R.drawable.ic_launcher)
                        .setContentTitle(" Money counter ")
                        .setContentText(text)
                        .setAutoCancel(true) // TODO: does not work why ????
                        .setDefaults(Notification.DEFAULT_SOUND | Notification.DEFAULT_VIBRATE | Notification.DEFAULT_LIGHTS)
                        .addAction(R.drawable.abc_btn_check_material, " Add ", pIntentActionAdd)
                        .addAction(R.drawable.abc_btn_radio_material, " Settings ", pIntentActionSettings)
                        .setSound(RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION));
        mNotificationManager.notify(NOTIFY_ID, mBuilder.build());
    }

}