Which method ensures logical focus order in complex custom view hierarchies?

When implementing custom view hierarchies in Android, the default accessibility traversal often follows the Z-order or the order of declaration in the layout file. This can lead to a disjointed user experience for TalkBack users when the visual layout deviates from the structural XML order.

While importantForAccessibility can remove noise, managing the linear reading order for dynamic or non-linear custom components remains a challenge. Developers must decide between utilizing nextFocusForward attributes or implementing a custom AccessibilityNodeProvider to explicitly define the traversal path.

Does the AccessibilityNodeProvider offer a more reliable way to enforce a specific focus sequence than XML-based focus attributes in complex layouts? What is the recommended approach for ensuring a consistent reading order across different Android versions when standard view traversal fails?