Have Chrome handle ARIA live regions instead of TalkBack
If set call AccessibilityNodeInfo.setLiveRegion on an ARIA Live Region, TalkBack will announce changes to that portion of the screen. Unfortunately it always speaks the entire contents, which is often not the correct behavior. Instead, just use Chrome's own live region handling, which tells TalkBack what text to speak, and correctly only announces new text added to a live region. Long-term, more changes are needed to complete Chrome's live region handling, but this is an improvement for some important real-world live regions. would speak the entire region rather than only what was added Bug: 1042893, 1128193 AX-Relnotes: fixes issue where ARIA live regions on Android Change-Id: Icd8a0ec8247681862313f1620bbd5aa6567e4e6e Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2425747Reviewed-by:Mark Schillaci <mschillaci@google.com> Commit-Queue: Dominic Mazzoni <dmazzoni@chromium.org> Cr-Commit-Position: refs/heads/master@{#809835}
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