ShadowMessageQueue

java.lang.Object

org.robolectric.shadows.ShadowMessageQueue

Direct Known Subclasses:: ShadowLegacyMessageQueue, ShadowPausedMessageQueue

@Implements(value=android.os.MessageQueue.class, shadowPicker=Picker.class) public abstract class ShadowMessageQueue extends Object

The shadow API for MessageQueue.

Different shadow implementations will be used depending on the current LooperMode. See ShadowLegacyMessageQueue and ShadowPausedMessageQueue for details.

Nested Class Summary

Nested Classes

Modifier and Type

Class

Description

static class

ShadowMessageQueue.Picker

The shadow Picker for this class.
Constructor Summary

Constructors

Constructor

Description

ShadowMessageQueue()
Method Summary

Modifier and Type

Method

Description

abstract Message

getHead()

Retrieves the current Message at the top of the queue.

abstract Scheduler

getScheduler()

Return this queue's Scheduler.

abstract void

reset()

Reset the messageQueue state.

abstract void

setHead(Message msg)

Sets the current Message at the top of the queue.

abstract void

setScheduler(Scheduler scheduler)

Set this queue's Scheduler.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- ShadowMessageQueue
  
  public ShadowMessageQueue()
Method Details
- getScheduler
  
  public abstract Scheduler getScheduler()
  
  Return this queue's Scheduler.
  Only supported in LooperMode.Mode.LEGACY.
- setScheduler
  
  public abstract void setScheduler(Scheduler scheduler)
  
  Set this queue's Scheduler.
  Only supported in LooperMode.Mode.LEGACY.
- getHead
  
  public abstract Message getHead()
  
  Retrieves the current Message at the top of the queue.
  Only supported in LooperMode.Mode.LEGACY.
- setHead
  
  public abstract void setHead(Message msg)
  
  Sets the current Message at the top of the queue.
  Only supported in LooperMode.Mode.LEGACY.
- reset
  
  public abstract void reset()
  
  Reset the messageQueue state. Should not be called by tests - it intended for use by the Robolectric framework.