FetchMessageOptions class

~english The parameter configuration class for pulling historical messages from the server. ~end

~chinese 从服务端查询历史消息的参数配置类。 ~end

Constructors

FetchMessageOptions({String? from, List<MessageType>? msgTypes, int startTs = -1, int endTs = -1, bool needSave = false, EMSearchDirection direction = EMSearchDirection.Up})
~english The parameter configuration class for pulling historical messages from the server.
const

Properties

direction → EMSearchDirection
~english The message search direction, Default is EMSearchDirection.Up. See EMSearchDirection. ~end
final
endTs → int
~english The end time for message query. The time is a UNIX time stamp in milliseconds. The default value is -1, indicating that this parameter is ignored during message query. If the startTs is set to a specific time spot and the endTs uses the default value -1, the SDK returns messages that are sent and received in the period that is from the start time to the current time. If the startTs uses the default value -1 and the endTs is set to a specific time spot, the SDK returns messages that are sent and received in the period that is from the timestamp of the first message to the current time. ~end
final
from → String?
~english The user ID of the message sender in the group conversation. ~end
final
hashCode → int
The hash code for this object.
no setterinherited
msgTypes → List<MessageType>?
~english The array of message types for query. The default value is null, indicating that all types of messages are retrieved. ~end
final
needSave → bool
~english Whether to save the retrieved messages to the database:
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
startTs → int
~english The start time for message query. The time is a UNIX time stamp in milliseconds. The default value is -1, indicating that this parameter is ignored during message query. If the startTs is set to a specific time spot and the endTs uses the default value -1, the SDK returns messages that are sent and received in the period that is from the start time to the current time. If the startTs uses the default value -1 and the endTs is set to a specific time spot, the SDK returns messages that are sent and received in the period that is from the timestamp of the first message to the current time. ~end
final

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toJson() → Map
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited