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kimji1/findNavControllerSafety

Last active July 15, 2022 08:43
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findNavControllerSafety
fun Fragment.findNavControllerSafety(): NavController? {
try {
val fragmentName = this.javaClass.name
val controller = NavHostFragment.findNavController(this)
val isCurrentDestination = when (val currentDestination = controller.currentDestination) {
is DialogFragmentNavigator.Destination -> currentDestination.className == fragmentName
is FragmentNavigator.Destination -> currentDestination.className == fragmentName
else -> false
}
if (!isCurrentDestination) {
Timber.i("Navigation currentDestination not match: ${controller.currentDestination?.displayName}, $fragmentName")
return null
}
return controller
} catch (e: Exception) {
return null
}
}
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