feat(reminders): AlarmManagerService and NotificationService

AnkiDroid/src/androidTest/java/com/ichi2/anki/tests/NotificationChannelTest.kt

@@ -16,8 +16,8 @@
 package com.ichi2.anki.tests
 
 import android.app.NotificationManager
-import android.content.Context
 import android.os.Build
+import androidx.core.content.getSystemService
 import androidx.test.annotation.UiThreadTest
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.filters.SdkSuppress
@@ -54,7 +54,7 @@ class NotificationChannelTest : InstrumentedTest() {
         (targetContext.applicationContext as AnkiDroidApp).onCreate()
         currentAPI = sdkVersion
         targetAPI = targetContext.applicationInfo.targetSdkVersion
-        manager = targetContext.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
+        manager = targetContext.getSystemService<NotificationManager>()!!
     }
 
     private fun channelsInAPI(): Boolean = currentAPI >= 26

AnkiDroid/src/main/AndroidManifest.xml

@@ -637,6 +637,11 @@
             android:enabled="true"
             android:exported="false"
             />
+        <receiver
+            android:name=".services.AlarmManagerService"
+            android:enabled="true"
+            android:exported="false"
+            />
         <receiver
             android:name=".services.BootService"
             android:enabled="true"

AnkiDroid/src/main/java/com/ichi2/anki/AnkiDroidApp.kt

@@ -52,6 +52,7 @@ import com.ichi2.anki.preferences.SharedPreferencesProvider
 import com.ichi2.anki.preferences.sharedPrefs
 import com.ichi2.anki.servicelayer.DebugInfoService
 import com.ichi2.anki.servicelayer.ThrowableFilterService
+import com.ichi2.anki.services.AlarmManagerService
 import com.ichi2.anki.services.NotificationService
 import com.ichi2.anki.settings.Prefs
 import com.ichi2.anki.ui.dialogs.ActivityAgnosticDialogs
@@ -206,7 +207,7 @@ open class AnkiDroidApp :
 
         if (Prefs.newReviewRemindersEnabled) {
             Timber.i("Setting review reminder notifications if they have not already been set")
-            // TODO: GSoC 2025
+            AlarmManagerService.scheduleAllNotifications(applicationContext)
         } else {
             // Register for notifications
             Timber.i("AnkiDroidApp: Starting Services")

AnkiDroid/src/main/java/com/ichi2/anki/preferences/Preferences.kt

@@ -42,6 +42,7 @@ import com.google.android.material.appbar.CollapsingToolbarLayout
 import com.google.android.material.appbar.MaterialToolbar
 import com.ichi2.anki.R
 import com.ichi2.anki.SingleFragmentActivity
+import com.ichi2.anki.common.annotations.LegacyNotifications
 import com.ichi2.anki.preferences.HeaderFragment.Companion.getHeaderKeyForFragment
 import com.ichi2.anki.reviewreminders.ReviewReminderScope
 import com.ichi2.anki.reviewreminders.ScheduleReminders
@@ -260,6 +261,7 @@ class PreferencesActivity :
 }
 
 // Only enable AnkiDroid notifications unrelated to due reminders
+@LegacyNotifications("Magic number which is no longer needed")
 const val PENDING_NOTIFICATIONS_ONLY = 1000000
 
 const val INITIAL_FRAGMENT_EXTRA = "initial_fragment"

AnkiDroid/src/main/java/com/ichi2/anki/reviewreminders/ReviewReminder.kt

@@ -35,7 +35,7 @@ import kotlin.time.Duration.Companion.minutes
 @Serializable
 @Parcelize
 value class ReviewReminderId(
-    val id: Int,
+    val value: Int,
 ) : Parcelable {
     companion object {
         /**

AnkiDroid/src/main/java/com/ichi2/anki/reviewreminders/ScheduleReminders.kt

@@ -41,6 +41,7 @@ import com.ichi2.anki.dialogs.DeckSelectionDialog
 import com.ichi2.anki.launchCatchingTask
 import com.ichi2.anki.libanki.DeckId
 import com.ichi2.anki.model.SelectableDeck
+import com.ichi2.anki.services.AlarmManagerService
 import com.ichi2.anki.showError
 import com.ichi2.anki.snackbar.BaseSnackbarBuilderProvider
 import com.ichi2.anki.snackbar.SnackbarBuilder
@@ -186,6 +187,7 @@ class ScheduleReminders :
         Timber.d("Handling add/edit dialog result: mode=%s reminder=%s", modeOfFinishedDialog, newOrModifiedReminder)
         updateDatabaseForAddEditDialog(newOrModifiedReminder, modeOfFinishedDialog)
         updateUIForAddEditDialog(newOrModifiedReminder, modeOfFinishedDialog)
+        updateAlarmsForAddEditDialog(newOrModifiedReminder, modeOfFinishedDialog)
         // Feedback
         showSnackbar(
             when (modeOfFinishedDialog) {
@@ -282,6 +284,28 @@ class ScheduleReminders :
         triggerUIUpdate()
     }
 
+    /**
+     * Update the AlarmManager notifications for the new or modified reminder.
+     * @see handleAddEditDialogResult
+     */
+    private fun updateAlarmsForAddEditDialog(
+        newOrModifiedReminder: ReviewReminder?,
+        modeOfFinishedDialog: AddEditReminderDialog.DialogMode,
+    ) {
+        if (modeOfFinishedDialog is AddEditReminderDialog.DialogMode.Edit) {
+            AlarmManagerService.unscheduleReviewReminderNotifications(
+                requireContext(),
+                modeOfFinishedDialog.reminderToBeEdited,
+            )
+        }
+        newOrModifiedReminder?.let {
+            AlarmManagerService.scheduleReviewReminderNotification(
+                requireContext(),
+                it,
+            )
+        }
+    }
+
     /**
      * Retrieves a deck name from the collection for a given deck ID and passes it to the provided callback.
      * Used by the [ScheduleRemindersAdapter] because it cannot access the collection directly.
@@ -344,6 +368,12 @@ class ScheduleReminders :
         // Update UI
         reminder.enabled = newState
         triggerUIUpdate()
+
+        // Update scheduled AlarmManager notifications
+        when (newState) {
+            true -> AlarmManagerService.scheduleReviewReminderNotification(requireContext(), reminder)
+            false -> AlarmManagerService.unscheduleReviewReminderNotifications(requireContext(), reminder)
+        }
     }
 
     /**