ImageDecoder.OnPartialImageListener
public
static
interface
ImageDecoder.OnPartialImageListener
android.graphics.ImageDecoder.OnPartialImageListener |
Interface for inspecting a DecodeException
and potentially preventing it from being thrown.
If an instance is passed to
setOnPartialImageListener
, a
DecodeException
that would otherwise have been
thrown can be inspected inside
onPartialImage
.
If onPartialImage
returns
true
, a partial image will be created.
Summary
Public methods | |
---|---|
abstract
boolean
|
onPartialImage(ImageDecoder.DecodeException exception)
Called by |
Public methods
onPartialImage
public abstract boolean onPartialImage (ImageDecoder.DecodeException exception)
Called by ImageDecoder
when there is only a partial image to
display.
If decoding is interrupted after having decoded a partial image,
this method will be called. The implementation can inspect the
DecodeException
and optionally finish the
rest of the decode creation process to create a partial Drawable
or Bitmap
.
Parameters | |
---|---|
exception |
ImageDecoder.DecodeException : exception containing information about the
decode interruption.
This value cannot be null . |
Returns | |
---|---|
boolean |
true to create and return a Drawable or
Bitmap with partial data. false (which is the
default) to abort the decode and throw e . Any undecoded
lines in the image will be blank. |