Material Motion

https://mobileact.connpass.com/event/181370

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   Λ ઃఆ͠ɺભҠͷॲཧΛ࣮૷ <View ... android:transitionName="transition_card" /> // navigate with transition card.setOnClickListener { card -> val extras = FragmentNavigatorExtras(card to card.transitionName) findNavController().navigate( R.id.action_List_to_Detail, null, null, extras ) }
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   Λઃఆ // Fragment.kt override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) // setup transition sharedElementEnterTransition = MaterialContainerTransform().apply { // if not exist background in fragment setAllContainerColors( MaterialColors.getColor( requireContext(), android.R.attr.colorBackground, "The attribute is not set in the current theme" ) ) } }
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   Λઃఆ // Fragment.kt override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) // setup transition sharedElementEnterTransition = MaterialContainerTransform().apply { // if not exist background in fragment setAllContainerColors( MaterialColors.getColor( requireContext(), android.R.attr.colorBackground, "The attribute is not set in the current theme" ) ) } }
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    ʹઃఆ // StartFragment.kt override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) // setup transition val backward = MaterialSharedAxis(MaterialSharedAxis.X, false) reenterTransition = backward val forward = MaterialSharedAxis(MaterialSharedAxis.X, true) exitTransition = forward } // EndFragment.kt override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) // setup transition val forward = MaterialSharedAxis(MaterialSharedAxis.X, true) enterTransition = forward val backward = MaterialSharedAxis(MaterialSharedAxis.X, false) returnTransition = backward }
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    ʹઃఆ // StartFragment.kt override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) // setup transition val backward = MaterialSharedAxis(MaterialSharedAxis.X, false) reenterTransition = backward val forward = MaterialSharedAxis(MaterialSharedAxis.X, true) exitTransition = forward } // EndFragment.kt override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) // setup transition val forward = MaterialSharedAxis(MaterialSharedAxis.X, true) enterTransition = forward val backward = MaterialSharedAxis(MaterialSharedAxis.X, false) returnTransition = backward }
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    ʹઃఆ // Fragment.kt override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) // setup transition exitTransition = MaterialFadeThrough() enterTransition = MaterialFadeThrough() }
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    ʹઃఆ // Fragment.kt override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) // setup transition exitTransition = MaterialFadeThrough() enterTransition = MaterialFadeThrough() }
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    ͷදࣔඇදࣔΛߦ͏ fun showFab() { val materialFade = MaterialFade().apply { duration = 150L } TransitionManager.beginDelayedTransition(container, materialFade) fab.isVisible = true } fun hideFab() { val materialFade = MaterialFade().apply { duration = 75L } TransitionManager.beginDelayedTransition(container, materialFade) fab.isVisible = false }
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    ͷදࣔඇදࣔΛߦ͏ fun showFab() { val materialFade = MaterialFade().apply { duration = 150L } TransitionManager.beginDelayedTransition(container, materialFade) fab.isVisible = true } fun hideFab() { val materialFade = MaterialFade().apply { duration = 75L } TransitionManager.beginDelayedTransition(container, materialFade) fab.isVisible = false }
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