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Notifications
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Notifications
Twitter Kit provides several types of notifications when users perform
certain actions. All of these notifications may be found inside the
TWTRNotificationConstants.h file.
There are several notifications that are posted when the user performs
certain actions on the Tweet view. On each of these notifications, the
userInfo property of the NSNotification
contains a TWTRNotificationInfoTweet key with the
associated Tweet module object as the value.
The TWTRDidSelectTweetNotification is posted when a user
taps on a Tweet.
The TWTRDidShowTweetDetailNotification is posted when a
user taps on a Tweet, and the developer allows the Tweet Detail view
controller to be shown full-screen. This will not be posted if the
developer has implemented the
tweetView:shouldDisplayDetailViewController: and
returned NO.
The TWTRWillShareTweetNotification is posted when a user
taps the Share button on a Tweet view. This will always be followed by
one of the following notifications:
TWTRDidShareTweetNotification, or
TWTRCancelledShareTweetNotification.
When a user taps the Like button on a Tweet, Twitter Kit will post
either TWTRDidLikeTweetNotification if the Tweet was
previously unliked, or TWTRDidUnlikeTweetNotification if
the Tweet was previously liked.
When the a video begins playing, a
TWTRVideoPlaybackStateChangedNotification is posted with
userInfo of
{TWTRVideoPlaybackStateKey: TWTRVideoStateValuePlaying}.
When the a video is paused, a
TWTRVideoPlaybackStateChangedNotification is posted with
userInfo of
{TWTRVideoPlaybackStateKey: TWTRVideoStateValuePaused}.
When the a video finished playing, a
TWTRVideoPlaybackStateChangedNotification is posted with
userInfo of
{TWTRVideoPlaybackStateKey: TWTRVideoStateValueCompleted}.
When a user taps on a video and a full-screen player is presented
Twitter Kit posts a TWTRWillPresentVideoNotification
notification. You can observe this notification and inspect the
object property of the NSNotification to
view the UIViewController displaying the video. You may
also inspect the userInfo property of the notification to
view what type of video is being displayed. The
TWTRVideoTypeKey will have as a value either
TWTRVideoTypeStandard, TWTRVideoTypeGIF,
or TWTRVideoTypeVine.
When the video view controller is dismissed by the user Twitter Kit
posts the TWTRDidDismissVideoNotification.
When a user authenticates with Twitter Kit, a
TWTRUserDidLogInNotification is posted. The user ID of
the logged-in user may be accessed from the userInfo
dictionary property of the notification using the
TWTRLoggedInUserIDKey. Note: this notification may be
posted as a result of starting the Twitter object.
When a user logs out using Twitter Kit, a
TWTRUserDidLogOutNotification is posted. It also contains
the user ID of the logged-out user in the userInfo
dictionary with the TWTRLoggedOutUserIDKey.