setExact is more reliable than setRepeating on some ROMs (e.g., MIUI).

app/src/main/java/com/tommasoberlose/anotherwidget/receivers/UpdatesReceiver.kt

@@ -65,6 +65,8 @@ class UpdatesReceiver : BroadcastReceiver() {
         const val EVENT_ID = "EVENT_ID"
 
         fun setUpdates(context: Context, eventId: Long? = null) {
+            if (!Preferences.showEvents)
+                return
             val eventRepository = EventRepository(context)
             if (eventId == null) {
                 // schedule ACTION_CALENDAR_UPDATE at midnight (ACTION_DATE_CHANGED no longer works)
@@ -84,7 +86,8 @@ class UpdatesReceiver : BroadcastReceiver() {
                             Intent(context, UpdatesReceiver::class.java).apply {
                                 action = Actions.ACTION_CALENDAR_UPDATE
                             },
-                            0)
+                            0
+                        )
                     )
                 }
 
@@ -149,14 +152,14 @@ class UpdatesReceiver : BroadcastReceiver() {
                         else -> 0
                     }
             }
-            // avoid redundant updates at midnight
+            // no need to schedule updates after the next ACTION_CALENDAR_UPDATE
-            if (Calendar.getInstance().run {
+            if (Calendar.getInstance().apply {
-                timeInMillis = fireTime
+                set(Calendar.MILLISECOND, 0)
-                get(Calendar.MILLISECOND) == 0 &&
+                set(Calendar.SECOND, 0)
-                get(Calendar.SECOND) == 0 &&
+                set(Calendar.MINUTE, 0)
-                get(Calendar.MINUTE) == 0 &&
+                set(Calendar.HOUR_OF_DAY, 0)
-                get(Calendar.HOUR_OF_DAY) == 0
+                add(Calendar.DATE, 1)
-            }) return
+            }.timeInMillis <= fireTime) return
             with(context.getSystemService(Context.ALARM_SERVICE) as AlarmManager) {
                 setExact(
                     AlarmManager.RTC,

app/src/main/java/com/tommasoberlose/anotherwidget/receivers/WeatherReceiver.kt

@@ -22,13 +22,8 @@ class WeatherReceiver : BroadcastReceiver() {
             Intent.ACTION_MY_PACKAGE_REPLACED,
             Intent.ACTION_TIMEZONE_CHANGED,
             Intent.ACTION_LOCALE_CHANGED,
-            Intent.ACTION_TIME_CHANGED -> setUpdates(context)
+            Intent.ACTION_TIME_CHANGED,
-
+            Actions.ACTION_WEATHER_UPDATE -> setUpdates(context)
-            Actions.ACTION_WEATHER_UPDATE -> {
-                GlobalScope.launch(Dispatchers.IO) {
-                    WeatherHelper.updateWeather(context)
-                }
-            }
         }
     }
 
@@ -46,13 +41,15 @@ class WeatherReceiver : BroadcastReceiver() {
                     else -> 60
                 }
                 with(context.getSystemService(Context.ALARM_SERVICE) as AlarmManager) {
-                    setRepeating(
+                    setExact(
                         AlarmManager.RTC,
-                        Calendar.getInstance().timeInMillis,
+                        System.currentTimeMillis() + interval,
-                        interval,
                         PendingIntent.getBroadcast(context, 0, Intent(context, WeatherReceiver::class.java).apply { action = Actions.ACTION_WEATHER_UPDATE }, 0)
                     )
                 }
+                GlobalScope.launch(Dispatchers.IO) {
+                    WeatherHelper.updateWeather(context)
+                }
             }
         }
 

app/src/main/java/com/tommasoberlose/anotherwidget/services/UpdateCalendarService.kt

@@ -88,6 +88,7 @@ class UpdateCalendarService : Service() {
                 ) {
                     eventRepository.resetNextEventData()
                     eventRepository.clearEvents()
+                    Preferences.showEvents = false
                 } else {
                     try {
                         val provider = CalendarProvider(this@UpdateCalendarService)

app/src/main/java/com/tommasoberlose/anotherwidget/ui/activities/MainActivity.kt

@@ -140,6 +140,7 @@ class MainActivity : AppCompatActivity(), SharedPreferences.OnSharedPreferenceCh
 
         if (Preferences.showEvents && !checkGrantedPermission(Manifest.permission.READ_CALENDAR)) {
             Preferences.showEvents = false
+            com.tommasoberlose.anotherwidget.receivers.UpdatesReceiver.removeUpdates(this)
         }
     }
 

app/src/main/java/com/tommasoberlose/anotherwidget/ui/fragments/tabs/CalendarFragment.kt

@@ -182,7 +182,7 @@ class CalendarFragment : Fragment() {
 
         binding.showAllDayToggle.setOnCheckedChangeListener { _, isChecked ->
             Preferences.calendarAllDay = isChecked
-            MainWidget.updateWidget(requireContext())
+            updateCalendar()
         }
 
         binding.actionChangeAttendeeFilter.setOnClickListener {
@@ -227,7 +227,7 @@ class CalendarFragment : Fragment() {
 
         binding.showOnlyBusyEventsToggle.setOnCheckedChangeListener { _, isChecked ->
             Preferences.showOnlyBusyEvents = isChecked
-            MainWidget.updateWidget(requireContext())
+            updateCalendar()
         }
 
         binding.actionShowDiffTime.setOnClickListener {
@@ -254,6 +254,7 @@ class CalendarFragment : Fragment() {
                     .addItem(getString(R.string.settings_widget_update_frequency_low), Constants.WidgetUpdateFrequency.LOW.rawValue)
                     .addOnSelectItemListener { value ->
                         Preferences.widgetUpdateFrequency = value
+                        updateCalendar()
                     }.show()
             }
         }

app/src/main/java/com/tommasoberlose/anotherwidget/ui/fragments/tabs/PreferencesFragment.kt

@@ -135,6 +135,8 @@ class PreferencesFragment : Fragment() {
         binding.showWeatherSwitch.setOnCheckedChangeListener { _, enabled: Boolean ->
             Preferences.showWeather = enabled
             if (enabled) {
+                Preferences.weatherProviderError = ""
+                Preferences.weatherProviderLocationError = ""
                 WeatherReceiver.setUpdates(requireContext())
             } else {
                 WeatherReceiver.removeUpdates(requireContext())