Close #28021: Add ability to opt in to receiving push notifications on Android 13+ devices

app/src/main/java/org/mozilla/fenix/FenixApplication.kt

@@ -80,6 +80,7 @@ import org.mozilla.fenix.ext.isKnownSearchDomain
 import org.mozilla.fenix.ext.setCustomEndpointIfAvailable
 import org.mozilla.fenix.ext.settings
 import org.mozilla.fenix.nimbus.FxNimbus
+import org.mozilla.fenix.onboarding.ensureMarketingChannelExists
 import org.mozilla.fenix.perf.MarkersActivityLifecycleCallbacks
 import org.mozilla.fenix.perf.ProfilerMarkerFactProcessor
 import org.mozilla.fenix.perf.StartupTimeline
@@ -367,6 +368,16 @@ open class FenixApplication : LocaleAwareApplication(), Provider {
             }
         }
 
+        // For Android 13 or above, prompt the user for notification permission at the start.
+        // Regardless if the user accepts or denies the permission prompt, the prompt will occur only once.
+        fun queueNotificationPermissionRequest() {
+            if (SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+                queue.runIfReadyOrQueue {
+                    ensureMarketingChannelExists(this)
+                }
+            }
+        }
+
         initQueue()
 
         // We init these items in the visual completeness queue to avoid them initing in the critical
@@ -376,6 +387,7 @@ open class FenixApplication : LocaleAwareApplication(), Provider {
         queueReviewPrompt()
         queueRestoreLocale()
         queueStorageMaintenance()
+        queueNotificationPermissionRequest()
     }
 
     private fun startMetricsIfEnabled() {