ViewModel instances to other composables, pass only the data You should access and call ViewModel instances at screen-levelĬomposables, that is, close to a root composable called from an activity,įragment, or destination of a Navigation graph. Note: Due to their lifecycle and scoping, In other words, at most oneīackHandler is active at any time. Caution: While it is possible to add multiple back handlers to anyĬomposition, the system back event is handled and consumed by the User triggers a system back event, and the The trailing lambda will be invoked if the Is currently enabled you can use this argument to temporarily disable your handlerīased on the state of your component. Recomposition, and clean up properly if the composable is removed from the Moreover, these APIs ensure that they are only initialized once, survive It also provides additional APIs that decouple your codeįrom overriding methods in your activity class.Įxposes these APIs to composables such that overriding methods outside of yourĬomposables or retrieving an explicit Activity instance is no longer required. To use Compose in an activity, you must useĪ subclass of Activity that provides the appropriate LifecycleOwner andĬomponents to Compose. Incorporate a few of the most useful libraries. You can use your favorite libraries in Compose.
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