BaseChannel

Adds message meta array values.

Add operators to the channel. See [

Adds an option with optionText to this poll. Once added successfully, a non-null Poll instance will be passed to the PollHandler.

Adds Reaction.

Cancels an ongoing FileMessage upload.

Closes this poll. Once closed successfully, a non-null Poll instance will be passed to the handler.

Copies a file message from this channel to the target channel.

Copies a user message from this channel to the target channel.

Creates a query instance to get the banned user list from this channel.

Creates message meta array keys.

Creates meta counters. This can be used to customize the channel.

Creates meta data. This can be used to customize the channel.

Creates a query instance to get the muted user (online and offline both) list of this channel.

Creates a query instance to get the operator list from this channel.

Creates a query instance to get the poll list from this channel.

Creates a query instance to get the voters of a poll option.

Creates previous message list query for this channel.

Decreases meta counters. This decreases atomically the keyed meta counter by the specified value.

Deletes all meta counters.

Deletes all meta data.

Deletes a message.

Deletes a message with message ID.

Deletes message meta array keys.

Deletes a meta counter.

Deletes a meta data.

Deletes this poll. Once deleted successfully, a null will be passed to the handler as the error.

Deletes this poll option. Once deleted successfully, a null will be passed to the handler as error.

Deletes Reaction.

Get all meta counters.

Gets all meta data.

Requests message change logs after given timestamp. The result is passed to handler.

Requests message change logs after given token. The result is passed to handler.

Retrieves previous or next messages based on the message ID in a specific channel. The result is passed to handler as list.

Retrieves previous or next messages based on the timestamp in a specific channel. The result is passed to handler as list.

Gets meta counters.

Gets meta data.

Gets my muted information in this channel.

Requests poll change logs after given timestamp. The result is passed to handler.

Requests poll change logs after given token. The result is passed to handler.

Increases meta counters. This increases atomically the keyed meta counter by the specified value.

Remove all operators from the channel. See https://docs.sendbird.com/platform/user_type#3_operator for the explanations on the operators.

Removes message meta array values.

Remove operators from the channel. See [

Reports this channel of inappropriate activities.

Reports a malicious message.

Reports a user of suspicious activities.

Resends a file with given file information.

Resends a file with given file information and gets callback for uploading progress.

Resends a failed user message.

Resends a file with given file information.

Resends a file with given file information and gets callback for uploading progress.

Resends a failed user message.

Sends a file with given file information.

Sends a file with given file information and gets callback for uploading progress.

Sends files with given files information. The maximum number of files is 20.

Sends files with given files information and gets callback for uploading progress. The maximum number of files is 20. This method handles FileMessageCreateParams only which have set binary file not URL.

Sends a user message.

Serializes the GroupChannel or OpenChannel instance. This byte array can be stored in the database in your application. The instance can be restored by buildFromSerializedData.

Translates a user message.

Updates a FileMessage that was previously sent in the channel. Note that the file itself cannot be changed; only the fields stored within the message can be modified.

Updates meta counters.

Updates meta data.

Updates fields of this poll with given params. Once updated successfully, a non-null Poll instance will be passed to the handler.

Updates optionText fields of this poll option. Once updated successfully, a non-null PollOption instance will be passed to the handler.

Updates a UserMessage that was previously sent in the channel.

Vote on pollOptionIds. This operation overrides previous vote actions, so to update previous vote, pass new pollOptionIds as parameter. To cancel votes, pass an empty list as pollOptionIds.

All locally cached metadata as a map. Cached metadata is updated under following circumstances:

The cover image URL.

The creation time of the channel in milliseconds.

The channel data.

Whether the channel is ephemeral.

Whether the instance is FeedChannel type.

Whether the channel is frozen.

Whether the instance is GroupChannel type.

Whether the instance is OpenChannel type.

The local timestamp of when this channel has been used in a MessageCollection.

The topic or name of the channel.

The unique channel URL.