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<GCKMediaQueueDelegate> Protocol | Cast | Google for Developers

<GCKMediaQueueDelegate> Protocol

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The delegate protocol for receiving asynchronous notifications from a GCKMediaQueue.

Since
4.3.4

Inherits <NSObjectNSObject>.

Called when one or more changes are about to be made to the queue.

Parameters

Called when the queue has been entirely reloaded.

Any previously accessed queue items should be considered invalid.

Parameters
- (void) mediaQueue: (GCKMediaQueue *)  queue didInsertItemsInRange: (NSRange)  range  optional

Called when a contiguous range of queue items ahve been inserted into the queue.

Parameters
queue The queue. range The range indicating the starting index and count of items inserted.
- (void) mediaQueue: (GCKMediaQueue *)  queue didUpdateItemsAtIndexes: (NSArray< NSNumber * > *)  indexes  optional

Called when one or more queue items have been updated in the queue.

This includes the case where previously accessed but unavailable items have been retrieved and placed in the cache, and the case where previously cached items have been flushed from the cache.

Parameters
queue The queue. indexes The ordered list of indexes of the items that have been updated.
- (void) mediaQueue: (GCKMediaQueue *)  queue didRemoveItemsAtIndexes: (NSArray< NSNumber * > *)  indexes  optional

Called when one or more queue items have been removed from the queue.

Parameters
queue The queue. indexes The ordered list of indexes of the items that have been removed.

Called after one or more queue changes have been made to the queue.

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2024-09-18 UTC.

[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-09-18 UTC."],[[["The `GCKMediaQueueDelegate` protocol enables receiving asynchronous notifications from a `GCKMediaQueue`, informing about changes like insertions, removals, and updates."],["It provides methods to handle queue changes, including `mediaQueueWillChange:`, `mediaQueueDidReloadItems:`, `mediaQueue:didInsertItemsInRange:`, `mediaQueue:didUpdateItemsAtIndexes:`, `mediaQueue:didRemoveItemsAtIndexes:`, and `mediaQueueDidChange:`."],["These methods are optional and offer insights into queue modifications, such as when items are added, updated, or removed, or when the entire queue is reloaded."],["Developers can implement these methods to respond to queue events and update their application's state accordingly, ensuring synchronization with the media queue."]]],["The `GCKMediaQueueDelegate` protocol provides methods for asynchronous notifications about changes to a media queue. Key actions include: notifying when changes are imminent (`mediaQueueWillChange:`), when the queue is reloaded (`mediaQueueDidReloadItems:`), when items are inserted (`mediaQueue:didInsertItemsInRange:`), updated (`mediaQueue:didUpdateItemsAtIndexes:`), or removed (`mediaQueue:didRemoveItemsAtIndexes:`), and when changes are completed (`mediaQueueDidChange:`). Each method provides the affected queue and relevant details like ranges or indexes.\n"]]


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