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Adding elevation to appbar on scroll

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I'd love to just do this with coordiator but alas...
This commit is contained in:
Jay 2020-04-13 20:04:28 -04:00
parent e87f0c48ce
commit d09d3e0bda
5 changed files with 45 additions and 4 deletions
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3
app/src/main/java/eu/kanade/tachiyomi/ui/catalogue/CatalogueController.kt
View File

@ -145,6 +145,9 @@ class CatalogueController : NucleusController<CataloguePresenter>(),
.BottomSheetCallback() {
override fun onSlide(bottomSheet: View, progress: Float) {
shadow2.alpha = (1 - max(0f, progress)) * 0.25f
activity?.appbar?.elevation = max(progress * 15f,
if (recycler.canScrollVertically(-1)) 15f else 0f)
sheet_layout.alpha = 1 - progress
activity?.appbar?.y = max(activity!!.appbar.y, -headerHeight * (1 - progress))
val oldShow = showingExtenions

1
app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaDetailsController.kt
View File

@ -229,6 +229,7 @@ class MangaDetailsController : BaseController,
var statusBarHeight = -1
swipe_refresh.setStyle()
swipe_refresh.setDistanceToTriggerSync(70.dpToPx)
activity!!.appbar.elevation = 0f
recycler.doOnApplyWindowInsets { v, insets, _ ->
headerHeight = appbarHeight + insets.systemWindowInsetTop

3
app/src/main/java/eu/kanade/tachiyomi/ui/recents/RecentsController.kt
View File

@ -136,6 +136,9 @@ class RecentsController(bundle: Bundle? = null) : BaseController(bundle),
override fun onSlide(bottomSheet: View, progress: Float) {
shadow2.alpha = (1 - abs(progress)) * 0.25f
shadow.alpha = (1 - abs(progress)) * 0.5f
if (progress >= 0) activity?.appbar?.elevation = max(
progress * 15f, if (recycler.canScrollVertically(-1)) 15f else 0f
)
sheet_layout.alpha = 1 - progress
activity?.appbar?.y = max(activity!!.appbar.y, -headerHeight * (1 - progress))
val oldShow = showingDownloads

6
app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsController.kt
View File

@ -15,8 +15,7 @@ import com.bluelinelabs.conductor.ControllerChangeType
import eu.kanade.tachiyomi.R
import eu.kanade.tachiyomi.data.preference.PreferencesHelper
import eu.kanade.tachiyomi.ui.base.controller.BaseController
import eu.kanade.tachiyomi.util.view.RecyclerWindowInsetsListener
import eu.kanade.tachiyomi.util.view.applyWindowInsetsForController
import eu.kanade.tachiyomi.util.view.scrollViewWith
import rx.Observable
import rx.Subscription
import rx.subscriptions.CompositeSubscription
@ -35,8 +34,7 @@ abstract class SettingsController : PreferenceController() {
untilDestroySubscriptions = CompositeSubscription()
}
val view = super.onCreateView(inflater, container, savedInstanceState)
view.applyWindowInsetsForController()
listView.setOnApplyWindowInsetsListener(RecyclerWindowInsetsListener)
scrollViewWith(listView, padBottom = true)
return view
}

36
app/src/main/java/eu/kanade/tachiyomi/util/view/ViewExtensions.kt
View File

@ -2,6 +2,7 @@
package eu.kanade.tachiyomi.util.view
import android.animation.ValueAnimator
import android.app.Activity
import android.content.Context
import android.content.res.ColorStateList
@ -30,6 +31,8 @@ import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
import com.amulyakhare.textdrawable.TextDrawable
import com.amulyakhare.textdrawable.util.ColorGenerator
import com.bluelinelabs.conductor.Controller
import com.bluelinelabs.conductor.ControllerChangeHandler
import com.bluelinelabs.conductor.ControllerChangeType
import com.google.android.material.bottomsheet.BottomSheetDialog
import com.google.android.material.button.MaterialButton
import com.google.android.material.snackbar.Snackbar
@ -353,6 +356,31 @@ fun Controller.scrollViewWith(
statusBarHeight = insets.systemWindowInsetTop
afterInsets?.invoke(insets)
}
var elevationAnim: ValueAnimator? = null
var elevate = false
val elevateFunc: (Boolean) -> Unit = { el ->
elevate = el
elevationAnim?.cancel()
elevationAnim = ValueAnimator.ofFloat(
activity!!.appbar.elevation, if (el) 15f else 0f
)
elevationAnim?.addUpdateListener { valueAnimator ->
activity!!.appbar.elevation = valueAnimator.animatedValue as Float
}
elevationAnim?.start()
}
addLifecycleListener(object : Controller.LifecycleListener() {
override fun onChangeStart(
controller: Controller,
changeHandler: ControllerChangeHandler,
changeType: ControllerChangeType
) {
super.onChangeStart(controller, changeHandler, changeType)
if (changeType.isEnter)
elevateFunc(elevate)
}
})
elevateFunc(recycler.canScrollVertically(-1))
recycler.addOnScrollListener(object : RecyclerView.OnScrollListener() {
override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
super.onScrolled(recyclerView, dx, dy)
@ -365,11 +393,15 @@ fun Controller.scrollViewWith(
) ?: 0
activity!!.appbar.animate().y(0f).setDuration(shortAnimationDuration.toLong())
.start()
if (elevate) elevateFunc(false)
} else {
activity!!.appbar.y -= dy
activity!!.appbar.y = clamp(
activity!!.appbar.y, -activity!!.appbar.height.toFloat(), 0f
)
if ((activity!!.appbar.y <= -activity!!.appbar.height.toFloat() ||
dy == 0 && activity!!.appbar.y == 0f) && !elevate)
elevateFunc(true)
}
}
}
@ -393,6 +425,10 @@ fun Controller.scrollViewWith(
if (closerToTop && !atTop) (-activity!!.appbar.height.toFloat())
else 0f
).setDuration(shortAnimationDuration.toLong()).start()
if (recycler.canScrollVertically(-1) && !elevate)
elevateFunc(true)
else if (!recycler.canScrollVertically(-1) && elevate)
elevateFunc(false)
}
}
}