NotificationManagerCompat

Kotlin |Java

class NotificationManagerCompat

kotlin.Any
↳	androidx.core.app.NotificationManagerCompat

Compatibility library for NotificationManager with fallbacks for older platforms.

To use this class, call the static function from to get a NotificationManagerCompat object, and then call one of its methods to post or cancel notifications.

Summary

Constants
static String	`ACTION_BIND_SIDE_CHANNEL` Intent action to register for on a service to receive side channel notifications.
static String	`EXTRA_USE_SIDE_CHANNEL` Notification extras key: if set to true, the posted notification should use the side channel for delivery instead of using notification manager.
static Int	`IMPORTANCE_DEFAULT` Default notification importance: shows everywhere, allowed to makes noise, but does not visually intrude.
static Int	`IMPORTANCE_HIGH` Higher notification importance: shows everywhere, allowed to makes noise and peek.
static Int	`IMPORTANCE_LOW` Low notification importance: shows everywhere, but is not intrusive.
static Int	`IMPORTANCE_MAX` Highest notification importance: shows everywhere, allowed to makes noise, peek, and use full screen intents.
static Int	`IMPORTANCE_MIN` Min notification importance: only shows in the shade, below the fold.
static Int	`IMPORTANCE_NONE` A notification with no importance: shows nowhere, is blocked.
static Int	`IMPORTANCE_UNSPECIFIED` Value signifying that the user has not expressed an importance.

Public methods
Boolean	`areNotificationsEnabled()` Returns whether notifications from the calling package are not blocked.
Unit	`cancel(id: Int)` Cancel a previously shown notification.
Unit	`cancel(@Nullable tag: String?, id: Int)` Cancel a previously shown notification.
Unit	`cancelAll()` Cancel all previously shown notifications.
Unit	`createNotificationChannel(@NonNull channel: NotificationChannel)` Creates a notification channel that notifications can be posted to.
Unit	`createNotificationChannel(@NonNull channel: NotificationChannelCompat)` Creates a notification channel that notifications can be posted to.
Unit	`createNotificationChannelGroup(@NonNull group: NotificationChannelGroup)` Creates a group container for `NotificationChannel` objects.
Unit	`createNotificationChannelGroup(@NonNull group: NotificationChannelGroupCompat)` Creates a group container for `NotificationChannel` objects.
Unit	`createNotificationChannelGroups(@NonNull groups: MutableList<NotificationChannelGroup!>)` Creates multiple notification channel groups.
Unit	`createNotificationChannelGroupsCompat(@NonNull groups: MutableList<NotificationChannelGroupCompat!>)` Creates multiple notification channel groups.
Unit	`createNotificationChannels(@NonNull channels: MutableList<NotificationChannel!>)` Creates multiple notification channels that different notifications can be posted to.
Unit	`createNotificationChannelsCompat(@NonNull channels: MutableList<NotificationChannelCompat!>)` Creates multiple notification channels that different notifications can be posted to.
Unit	`deleteNotificationChannel(@NonNull channelId: String)` Deletes the given notification channel.
Unit	`deleteNotificationChannelGroup(@NonNull groupId: String)` Deletes the given notification channel group, and all notification channels that belong to it.
Unit	`deleteUnlistedNotificationChannels(@NonNull channelIds: MutableCollection<String!>)` Deletes notification channels for which ids are NOT given.
static NotificationManagerCompat	`from(@NonNull context: Context)` Get a `NotificationManagerCompat` instance for a provided context.
static MutableSet<String!>	`getEnabledListenerPackages(@NonNull context: Context)` Get the set of packages that have an enabled notification listener component within them.
Int	`getImportance()` Returns the user specified importance for notifications from the calling package.
NotificationChannel?	`getNotificationChannel(@NonNull channelId: String)` Returns the notification channel settings for a given channel id.