DraweeController
| com.facebook.drawee.interfaces.DraweeController |
 Known Indirect Subclasses
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Class Overview
Interface that represents a Drawee controller used by a DraweeView.
The view forwards events to the controller. The controller controls its hierarchy based on those events.
Summary
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| abstract Animatable |
getAnimatable()
For an animated image, returns an Animatable that lets clients control the animation.
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| abstract String |
getContentDescription()
Gets the accessibility content description.
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| abstract DraweeHierarchy |
getHierarchy()
Gets the hierarchy.
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| abstract boolean |
isSameImageRequest(DraweeController other)
Returns whether
other would fetch the same image as this. | ||||||||||
| abstract void |
onAttach()
Called when the view containing the hierarchy is attached to a window (either temporarily or
permanently).
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| abstract void |
onDetach()
Called when the view containing the hierarchy is detached from a window (either temporarily or
permanently).
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| abstract boolean |
onTouchEvent(MotionEvent event)
Called when the view containing the hierarchy receives a touch event.
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| abstract void |
onViewportVisibilityHint(boolean isVisibleInViewportHint)
An optional hint whether the view containing the hierarchy is currently within the visible
viewport or not.
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| abstract void |
setContentDescription(String contentDescription)
Sets the accessibility content description.
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| abstract void |
setHierarchy(DraweeHierarchy hierarchy)
Sets a new hierarchy.
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Public Methods
public abstract Animatable getAnimatable ()
For an animated image, returns an Animatable that lets clients control the animation.
Returns
- animatable, or null if the image is not animated or not loaded yet
public abstract String getContentDescription ()
Gets the accessibility content description.
Returns
- content description, or null if the image has no content description
public abstract boolean isSameImageRequest (DraweeController other)
Returns whether other would fetch the same image as this.
public abstract void onAttach ()
Called when the view containing the hierarchy is attached to a window (either temporarily or permanently).
public abstract void onDetach ()
Called when the view containing the hierarchy is detached from a window (either temporarily or permanently).
public abstract boolean onTouchEvent (MotionEvent event)
Called when the view containing the hierarchy receives a touch event.
Returns
- true if the event was handled by the controller, false otherwise
public abstract void onViewportVisibilityHint (boolean isVisibleInViewportHint)
An optional hint whether the view containing the hierarchy is currently within the visible viewport or not.
public abstract void setContentDescription (String contentDescription)
Sets the accessibility content description.