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NotificationManagerCompat

public final class NotificationManagerCompat
extends Object

java.lang.Object
↳	android.support.v4.app.NotificationManagerCompat

Compatibility library for NotificationManager with fallbacks for older platforms.

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

Summary

Constants
`String`	`ACTION_BIND_SIDE_CHANNEL` Intent action to register for on a service to receive side channel notifications.
`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.
`int`	`IMPORTANCE_DEFAULT` Default notification importance: shows everywhere, allowed to makes noise, but does not visually intrude.
`int`	`IMPORTANCE_HIGH` Higher notification importance: shows everywhere, allowed to makes noise and peek.
`int`	`IMPORTANCE_LOW` Low notification importance: shows everywhere, but is not intrusive.
`int`	`IMPORTANCE_MAX` Highest notification importance: shows everywhere, allowed to makes noise, peek, and use full screen intents.
`int`	`IMPORTANCE_MIN` Min notification importance: only shows in the shade, below the fold.
`int`	`IMPORTANCE_NONE` A notification with no importance: shows nowhere, is blocked.
`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.
`void`	`cancel(String tag, int id)` Cancel a previously shown notification.
`void`	`cancel(int id)` Cancel a previously shown notification.
`void`	`cancelAll()` Cancel all previously shown notifications.
`static NotificationManagerCompat`	`from(Context context)` Get a `NotificationManagerCompat` instance for a provided context.
`static Set<String>`	`getEnabledListenerPackages(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.
`void`	`notify(int id, Notification notification)` Post a notification to be shown in the status bar, stream, etc.
`void`	`notify(String tag, int id, Notification notification)` Post a notification to be shown in the status bar, stream, etc.

Inherited methods

From class


  
    java.lang.Object

`Object`	`clone()` Creates and returns a copy of this object.
`boolean`	`equals(Object obj)` Indicates whether some other object is "equal to" this one.
`void`	`finalize()` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
`final Class<?>`	`getClass()` Returns the runtime class of this `Object`.
`int`	`hashCode()` Returns a hash code value for the object.
`final void`	`notify()` Wakes up a single thread that is waiting on this object's monitor.
`final void`	`notifyAll()` Wakes up all threads that are waiting on this object's monitor.
`String`	`toString()` Returns a string representation of the object.
`final void`	`wait(long millis, int nanos)` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object, or some other thread interrupts the current thread, or a certain amount of real time has elapsed.
`final void`	`wait(long millis)` Causes the current thread to wait until either another thread invokes the `notify()` method or the `notifyAll()` method for this object, or a specified amount of time has elapsed.
`final void`	`wait()` Causes the current thread to wait until another thread invokes the `notify()` method or the `notifyAll()` method for this object.

Constants

ACTION_BIND_SIDE_CHANNEL

String ACTION_BIND_SIDE_CHANNEL

Intent action to register for on a service to receive side channel notifications. The listening service must be in the same package as an enabled NotificationListenerService.

Constant Value: "android.support.BIND_NOTIFICATION_SIDE_CHANNEL"

EXTRA_USE_SIDE_CHANNEL

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.

Constant Value: "android.support.useSideChannel"

IMPORTANCE_DEFAULT

int IMPORTANCE_DEFAULT

Default notification importance: shows everywhere, allowed to makes noise, but does not visually intrude.

Constant Value: 3 (0x00000003)

IMPORTANCE_HIGH

int IMPORTANCE_HIGH

Higher notification importance: shows everywhere, allowed to makes noise and peek.

Constant Value: 4 (0x00000004)

IMPORTANCE_LOW

int IMPORTANCE_LOW

Low notification importance: shows everywhere, but is not intrusive.

Constant Value: 2 (0x00000002)

IMPORTANCE_MAX

int IMPORTANCE_MAX

Highest notification importance: shows everywhere, allowed to makes noise, peek, and use full screen intents.

Constant Value: 5 (0x00000005)

IMPORTANCE_MIN

int IMPORTANCE_MIN

Min notification importance: only shows in the shade, below the fold.

Constant Value: 1 (0x00000001)

IMPORTANCE_NONE

int IMPORTANCE_NONE

A notification with no importance: shows nowhere, is blocked.

Constant Value: 0 (0x00000000)

IMPORTANCE_UNSPECIFIED

int IMPORTANCE_UNSPECIFIED

Value signifying that the user has not expressed an importance. This value is for persisting preferences, and should never be associated with an actual notification.

Constant Value: -1000 (0xfffffc18)

Public methods

areNotificationsEnabled

boolean areNotificationsEnabled ()

Returns whether notifications from the calling package are not blocked.

Returns
`boolean`

cancel

void cancel (String tag, 
                int id)

Cancel a previously shown notification.

Parameters
`tag`	`String`: the string identifier of the notification.
`id`	`int`: the ID of the notification

cancel

void cancel (int id)

Cancel a previously shown notification.

Parameters
`id`	`int`: the ID of the notification

cancelAll

void cancelAll ()

Cancel all previously shown notifications.

from

NotificationManagerCompat from (Context context)

Get a NotificationManagerCompat instance for a provided context.

Parameters
`context`	`Context`

Returns
`NotificationManagerCompat`

getEnabledListenerPackages

Set<String> getEnabledListenerPackages (Context context)

Get the set of packages that have an enabled notification listener component within them.

Parameters
`context`	`Context`

Returns
`Set<String>`

getImportance

int getImportance ()

Returns the user specified importance for notifications from the calling package.

Returns
`int`	An importance level, such as `IMPORTANCE_DEFAULT`.

notify

void notify (int id, 
                Notification notification)

Post a notification to be shown in the status bar, stream, etc.

Parameters
`id`	`int`: the ID of the notification
`notification`	`Notification`: the notification to post to the system

notify

void notify (String tag, 
                int id, 
                Notification notification)

Post a notification to be shown in the status bar, stream, etc.

Parameters
`tag`	`String`: the string identifier for a notification. Can be `null`.
`id`	`int`: the ID of the notification. The pair (tag, id) must be unique within your app.
`notification`	`Notification`: the notification to post to the system

Interfaces

Classes

Exceptions

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NotificationManagerCompat

Summary

Constants

Public methods

Inherited methods

Constants

ACTION_BIND_SIDE_CHANNEL

EXTRA_USE_SIDE_CHANNEL

IMPORTANCE_DEFAULT

IMPORTANCE_HIGH

IMPORTANCE_LOW

IMPORTANCE_MAX

IMPORTANCE_MIN

IMPORTANCE_NONE

IMPORTANCE_UNSPECIFIED

Public methods

areNotificationsEnabled

cancel

cancel

cancelAll

from

getEnabledListenerPackages

getImportance

notify

notify