setLifecycleOwner

Sets owner as the LifecycleOwner that composition roots mounted at or under this component read, in place of one following the component itself, and clears it again when passed null.

A root resolves an owner in this order: the one the composition it joins carries, then the one this sets, and only where neither answers does it mint an owner following its own container. So a host setting one here decides the lifecycle of every root under it that inherits nothing - which is what a test harness needs, and what a host driving its content's lifecycle itself needs.

The owner set here is the caller's: nothing clears it when the content under it leaves, and a root that resolves it neither drives it nor ends it. Clear it from the same teardown that ends it.

Marked InternalSwingUiApi; it may change or be removed without notice in any release.

Parameters