Tencent Music Tech Team
Mar 3, 2017 · Mobile Development
Understanding Android Focus Navigation: The findNextFocus Mechanism
When Android cannot use a specified nextFocusId, it gathers all focusable views via ViewGroup.addFocusables, converts their rectangles to the root’s coordinate space, and through FocusFinder.findNextFocus selects the nearest view in the requested direction, then requests focus, with key‑event handling prioritized before this automatic search.
AndroidFocusNavigationJava
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