1. The granularities for traversing the text content of an accessibility
node info are now predefined constants and custom ones will not be
supported. This is the simplest solution - we can always add namespaced
user defined ones (unlikely).
2. Added actions for traversing web content. These actions can be used by
an accessibility service to transparently drive the JavaScript based
screen reader that is used for handling web content.
3. Added a new accessibility event type for traversing the content of a
view. This event is needed to announce to the user what is the next
element, i.e. the one next to the cursor, after the view's text was
traversed.
bug:5932640
bug:6389591
Change-Id: I144647da55bc4005c64f89865ef333af8359e145
1. The accessibility focus directions are not needed since an
accessibility service just get the root, first child, next
sibling, previous sibling and call execute the action to
give it accessibility focus. Now the accessibility node
info tree is properly ordered taking into account layout
manager directions for both layout manager that we report
and ones that we have determined as not important for
accessibility. Also the position of a node info are ordered
properly based on their coordinates after all transformations
as opposed to child index.
bug:5932640
Change-Id: I994a8297cb1e57c829ecbac73a937c2bcbe0bac7
Let TaskStackBuilder discover a parent activity stack by ComponentName
in addition to explicit Activity classes.
Change-Id: I18b8378548ed1d6ef033800e6a3e11ab965d07e5
Also add new methods to access the event timestamp in
nanoseconds. Hidden for now but useful for prototyping.
Bug: 6374616
Change-Id: I7030734a908e8e31a17a356debc269db7c0f0783
1. A view that creates an accessibility node info may add to the info
a list of granularity labels. These are granularities by which the
source view can iterate over its content. For example a text view
may support character, word link while a web view may additionally
support buttons, tables, etc. There are actions on accessibility
node info to go to the next/previous at a given granularity which
is passesed as an argument.
2. Added Bundle argument to the APIs for performing accessibility
actions. This is generic and extensible.
bug:5932640
Change-Id: I328cbbb4cddfdee082ab2a8b7ff1bd7477d8d6f9
1. An accessibility service has to explicitly opt in to be notified
for gestures by the system. There is only one accessibility service
that handles gestures and in case it does not handle a gesture
the system performs default handling. This default handling ensures
that we have gesture navigation even if no accessibility service
would like to participate/customize the interaction model.
bug:5932640
Change-Id: Id8194293bd94097b455e9388b68134a45dc3b8fa
unhide MediaSyncEvent class and AudioRecord.startRecording() method with synchronization
event allowing to start audio capture upon occurence of a specific event.
So far the only event defined is playback presentation complete but more events and synchronized
playback/capture methods could be defined in the future.
Change-Id: If05fc6cd125dd9afad451727f792a3fd9e916bef
Unhide APIs for Noise Suppressor(NS), Acoustic Echo Canceler (AEC) and
Automatic Gain Control (AGC) audio pre processings.
Also unhide getAudioSessionId() method on AudioRecord.
Change-Id: I788f7a0724b152cc98c8167d9434e64c12bada95
1. This APIs is useful for accessibility services since very often
they want to get access to the root node in the current window
to determine where accessibility focus is and subsequently find
a next view to take accessibility focus.
Change-Id: Ide5231f832d9ce2e9b14dc411dfd675f753a4edb
