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added in version 27.1.0
belongs to Maven artifact com.android.support:support-content:28.0.0-alpha1

ContentPager.QueryRunner

public static interface ContentPager.QueryRunner

android.support.content.ContentPager.QueryRunner
Known Indirect Subclasses


Implementations of this interface provide the mechanism for execution of queries off the UI thread.

Summary

Nested classes

interface ContentPager.QueryRunner.Callback

Callback that receives a cursor once a query as been executed on the Runner. 

Public methods

abstract void cancel(Query query)

Attempt to cancel a (presumably) running query.

abstract boolean isRunning(Query query)
abstract void query(Query query, ContentPager.QueryRunner.Callback callback)

Execute a query.

Public methods

cancel

added in version 27.1.0
void cancel (Query query)

Attempt to cancel a (presumably) running query.

Parameters
query Query: The query in question.

isRunning

added in version 27.1.0
boolean isRunning (Query query)

Parameters
query Query: The query in question.

Returns
boolean true if the query is already running.

query

added in version 27.1.0
void query (Query query, 
                ContentPager.QueryRunner.Callback callback)

Execute a query.

Parameters
query Query: The query that will be run. This value should be handed back to the callback when ready to run in the background.

callback ContentPager.QueryRunner.Callback: The callback that should be called to both execute the query (in the background) and to receive the results (in the foreground).