Java tutorial
/* * Copyright (C) 2016 ?linson Santos Xavier <isoron@gmail.com> * * This file is part of Loop Habit Tracker. * * Loop Habit Tracker 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. * * Loop Habit Tracker 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/>. */ package org.isoron.uhabits.helpers; import android.app.AlarmManager; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.content.SharedPreferences; import android.media.Ringtone; import android.media.RingtoneManager; import android.net.Uri; import android.os.Build; import android.preference.PreferenceManager; import android.provider.Settings; import android.support.annotation.Nullable; import android.support.v4.app.Fragment; import android.util.Log; import org.isoron.uhabits.HabitBroadcastReceiver; import org.isoron.uhabits.R; import org.isoron.uhabits.models.Habit; import java.text.DateFormat; import java.util.Calendar; import java.util.Date; public class ReminderHelper { public static void createReminderAlarms(Context context) { for (Habit habit : Habit.getHabitsWithReminder()) createReminderAlarm(context, habit, null); } public static void createReminderAlarm(Context context, Habit habit, @Nullable Long reminderTime) { if (!habit.hasReminder()) return; if (reminderTime == null) { Calendar calendar = Calendar.getInstance(); calendar.setTimeInMillis(System.currentTimeMillis()); //noinspection ConstantConditions calendar.set(Calendar.HOUR_OF_DAY, habit.reminderHour); //noinspection ConstantConditions calendar.set(Calendar.MINUTE, habit.reminderMin); calendar.set(Calendar.SECOND, 0); reminderTime = calendar.getTimeInMillis(); if (System.currentTimeMillis() > reminderTime) reminderTime += AlarmManager.INTERVAL_DAY; } long timestamp = DateHelper.getStartOfDay(DateHelper.toLocalTime(reminderTime)); Uri uri = habit.getUri(); Intent alarmIntent = new Intent(context, HabitBroadcastReceiver.class); alarmIntent.setAction(HabitBroadcastReceiver.ACTION_SHOW_REMINDER); alarmIntent.setData(uri); alarmIntent.putExtra("timestamp", timestamp); alarmIntent.putExtra("reminderTime", reminderTime); PendingIntent pendingIntent = PendingIntent.getBroadcast(context, ((int) (habit.getId() % Integer.MAX_VALUE)) + 1, alarmIntent, PendingIntent.FLAG_UPDATE_CURRENT); AlarmManager manager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); if (Build.VERSION.SDK_INT >= 23) manager.setExactAndAllowWhileIdle(AlarmManager.RTC_WAKEUP, reminderTime, pendingIntent); else if (Build.VERSION.SDK_INT >= 19) manager.setExact(AlarmManager.RTC_WAKEUP, reminderTime, pendingIntent); else manager.set(AlarmManager.RTC_WAKEUP, reminderTime, pendingIntent); String name = habit.name.substring(0, Math.min(3, habit.name.length())); Log.d("ReminderHelper", String.format("Setting alarm (%s): %s", DateFormat.getDateTimeInstance().format(new Date(reminderTime)), name)); } @Nullable public static Uri getRingtoneUri(Context context) { Uri ringtoneUri = null; Uri defaultRingtoneUri = Settings.System.DEFAULT_NOTIFICATION_URI; SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context); String prefRingtoneUri = prefs.getString("pref_ringtone_uri", defaultRingtoneUri.toString()); if (prefRingtoneUri.length() > 0) ringtoneUri = Uri.parse(prefRingtoneUri); return ringtoneUri; } public static void parseRingtoneData(Context context, @Nullable Intent data) { if (data == null) return; Uri ringtoneUri = data.getParcelableExtra(RingtoneManager.EXTRA_RINGTONE_PICKED_URI); if (ringtoneUri != null) { SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context); prefs.edit().putString("pref_ringtone_uri", ringtoneUri.toString()).apply(); } else { String off = context.getResources().getString(R.string.none); SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context); prefs.edit().putString("pref_ringtone_uri", "").apply(); } } public static void startRingtonePickerActivity(Fragment fragment, int requestCode) { Uri existingRingtoneUri = ReminderHelper.getRingtoneUri(fragment.getContext()); Uri defaultRingtoneUri = Settings.System.DEFAULT_NOTIFICATION_URI; Intent intent = new Intent(RingtoneManager.ACTION_RINGTONE_PICKER); intent.putExtra(RingtoneManager.EXTRA_RINGTONE_TYPE, RingtoneManager.TYPE_NOTIFICATION); intent.putExtra(RingtoneManager.EXTRA_RINGTONE_SHOW_DEFAULT, true); intent.putExtra(RingtoneManager.EXTRA_RINGTONE_SHOW_SILENT, true); intent.putExtra(RingtoneManager.EXTRA_RINGTONE_DEFAULT_URI, defaultRingtoneUri); intent.putExtra(RingtoneManager.EXTRA_RINGTONE_EXISTING_URI, existingRingtoneUri); fragment.startActivityForResult(intent, requestCode); } @Nullable public static String getRingtoneName(Context context) { try { Uri ringtoneUri = getRingtoneUri(context); String ringtoneName = context.getResources().getString(R.string.none); if (ringtoneUri != null) { Ringtone ringtone = RingtoneManager.getRingtone(context, ringtoneUri); if (ringtone != null) { ringtoneName = ringtone.getTitle(context); ringtone.stop(); } } return ringtoneName; } catch (RuntimeException e) { e.printStackTrace(); return null; } } }