Remove bottom nav behavior and add bottom padding to root controller contents

app/src/main/java/eu/kanade/presentation/browse/ExtensionsScreen.kt

@@ -44,6 +44,7 @@ import eu.kanade.presentation.components.FastScrollLazyColumn
 import eu.kanade.presentation.components.LoadingScreen
 import eu.kanade.presentation.components.SwipeRefreshIndicator
 import eu.kanade.presentation.theme.header
+import eu.kanade.presentation.util.bottomNavPaddingValues
 import eu.kanade.presentation.util.horizontalPadding
 import eu.kanade.presentation.util.plus
 import eu.kanade.presentation.util.topPaddingValues
@@ -112,7 +113,7 @@ fun ExtensionContent(
     var trustState by remember { mutableStateOf<Extension.Untrusted?>(null) }
 
     FastScrollLazyColumn(
-        contentPadding = WindowInsets.navigationBars.asPaddingValues() + topPaddingValues,
+        contentPadding = bottomNavPaddingValues + WindowInsets.navigationBars.asPaddingValues() + topPaddingValues,
     ) {
         items(
             items = state.items,

app/src/main/java/eu/kanade/presentation/browse/MigrateSourceScreen.kt

@@ -28,6 +28,7 @@ import eu.kanade.presentation.components.EmptyScreen
 import eu.kanade.presentation.components.LoadingScreen
 import eu.kanade.presentation.components.ScrollbarLazyColumn
 import eu.kanade.presentation.theme.header
+import eu.kanade.presentation.util.bottomNavPaddingValues
 import eu.kanade.presentation.util.horizontalPadding
 import eu.kanade.presentation.util.plus
 import eu.kanade.presentation.util.topPaddingValues
@@ -68,7 +69,7 @@ fun MigrateSourceList(
 ) {
     ScrollbarLazyColumn(
         modifier = Modifier.nestedScroll(nestedScrollInterop),
-        contentPadding = WindowInsets.navigationBars.asPaddingValues() + topPaddingValues,
+        contentPadding = bottomNavPaddingValues + WindowInsets.navigationBars.asPaddingValues() + topPaddingValues,
     ) {
         item(key = "title") {
             Text(

app/src/main/java/eu/kanade/presentation/browse/SourcesScreen.kt

@@ -35,6 +35,7 @@ import eu.kanade.presentation.components.EmptyScreen
 import eu.kanade.presentation.components.LoadingScreen
 import eu.kanade.presentation.components.ScrollbarLazyColumn
 import eu.kanade.presentation.theme.header
+import eu.kanade.presentation.util.bottomNavPaddingValues
 import eu.kanade.presentation.util.horizontalPadding
 import eu.kanade.presentation.util.plus
 import eu.kanade.presentation.util.topPaddingValues
@@ -92,7 +93,7 @@ fun SourceList(
 ) {
     ScrollbarLazyColumn(
         modifier = Modifier.nestedScroll(nestedScrollConnection),
-        contentPadding = WindowInsets.navigationBars.asPaddingValues() + topPaddingValues,
+        contentPadding = bottomNavPaddingValues + WindowInsets.navigationBars.asPaddingValues() + topPaddingValues,
     ) {
         items(
             items = state.items,

app/src/main/java/eu/kanade/presentation/components/VerticalFastScroller.kt

@@ -50,6 +50,7 @@ fun VerticalFastScroller(
     thumbAllowed: () -> Boolean = { true },
     thumbColor: Color = MaterialTheme.colorScheme.primary,
     topContentPadding: Dp = Dp.Hairline,
+    bottomContentPadding: Dp = Dp.Hairline,
     endContentPadding: Dp = Dp.Hairline,
     content: @Composable () -> Unit,
 ) {
@@ -76,7 +77,8 @@ fun VerticalFastScroller(
                 )
             }
 
-            val heightPx = contentHeight.toFloat() - thumbTopPadding - listState.layoutInfo.afterContentPadding
+            val thumbBottomPadding = with(LocalDensity.current) { bottomContentPadding.toPx() }
+            val heightPx = contentHeight.toFloat() - thumbTopPadding - thumbBottomPadding - listState.layoutInfo.afterContentPadding
             val thumbHeightPx = with(LocalDensity.current) { ThumbLength.toPx() }
             val trackHeightPx = heightPx - thumbHeightPx
 

app/src/main/java/eu/kanade/presentation/history/HistoryScreen.kt

@@ -43,6 +43,7 @@ import eu.kanade.presentation.components.RelativeDateHeader
 import eu.kanade.presentation.components.ScrollbarLazyColumn
 import eu.kanade.presentation.history.components.HistoryItem
 import eu.kanade.presentation.history.components.HistoryItemShimmer
+import eu.kanade.presentation.util.bottomNavPaddingValues
 import eu.kanade.presentation.util.plus
 import eu.kanade.presentation.util.shimmerGradient
 import eu.kanade.presentation.util.topPaddingValues
@@ -102,7 +103,7 @@ fun HistoryContent(
     ScrollbarLazyColumn(
         modifier = Modifier
             .nestedScroll(nestedScroll),
-        contentPadding = WindowInsets.navigationBars.asPaddingValues() + topPaddingValues,
+        contentPadding = bottomNavPaddingValues + WindowInsets.navigationBars.asPaddingValues() + topPaddingValues,
         state = scrollState,
     ) {
         items(history) { item ->

app/src/main/java/eu/kanade/presentation/library/components/LazyLibraryGrid.kt

@@ -11,6 +11,7 @@ import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
+import eu.kanade.presentation.util.bottomNavPaddingValues
 import eu.kanade.presentation.util.plus
 
 @Composable
@@ -22,7 +23,7 @@ fun LazyLibraryGrid(
     LazyVerticalGrid(
         modifier = modifier,
         columns = if (columns == 0) GridCells.Adaptive(128.dp) else GridCells.Fixed(columns),
-        contentPadding = PaddingValues(12.dp) + WindowInsets.navigationBars.asPaddingValues(),
+        contentPadding = bottomNavPaddingValues + PaddingValues(12.dp) + WindowInsets.navigationBars.asPaddingValues(),
         verticalArrangement = Arrangement.spacedBy(12.dp),
         horizontalArrangement = Arrangement.spacedBy(12.dp),
         content = content,

app/src/main/java/eu/kanade/presentation/library/components/LibraryList.kt

@@ -22,7 +22,9 @@ import eu.kanade.domain.manga.model.MangaCover
 import eu.kanade.presentation.components.Badge
 import eu.kanade.presentation.components.BadgeGroup
 import eu.kanade.presentation.components.TextButton
+import eu.kanade.presentation.util.bottomNavPaddingValues
 import eu.kanade.presentation.util.horizontalPadding
+import eu.kanade.presentation.util.plus
 import eu.kanade.presentation.util.selectedBackground
 import eu.kanade.presentation.util.verticalPadding
 import eu.kanade.tachiyomi.R
@@ -39,7 +41,7 @@ fun LibraryList(
     onGlobalSearchClicked: () -> Unit,
 ) {
     LazyColumn(
-        contentPadding = WindowInsets.navigationBars.asPaddingValues(),
+        contentPadding = bottomNavPaddingValues + WindowInsets.navigationBars.asPaddingValues(),
     ) {
         item {
             if (searchQuery.isNullOrEmpty().not()) {

app/src/main/java/eu/kanade/presentation/more/MoreScreen.kt

@@ -26,6 +26,7 @@ import eu.kanade.presentation.components.PreferenceRow
 import eu.kanade.presentation.components.Scaffold
 import eu.kanade.presentation.components.ScrollbarLazyColumn
 import eu.kanade.presentation.components.SwitchPreference
+import eu.kanade.presentation.util.bottomNavPaddingValues
 import eu.kanade.presentation.util.plus
 import eu.kanade.presentation.util.quantityStringResource
 import eu.kanade.tachiyomi.R
@@ -56,7 +57,7 @@ fun MoreScreen(
         },
     ) { paddingValues ->
         ScrollbarLazyColumn(
-            contentPadding = paddingValues + WindowInsets.navigationBars.asPaddingValues(),
+            contentPadding = bottomNavPaddingValues + paddingValues + WindowInsets.navigationBars.asPaddingValues(),
         ) {
             item {
                 LogoHeader()

app/src/main/java/eu/kanade/presentation/updates/UpdatesScreen.kt

@@ -34,9 +34,7 @@ import eu.kanade.presentation.components.MangaBottomActionMenu
 import eu.kanade.presentation.components.Scaffold
 import eu.kanade.presentation.components.SwipeRefreshIndicator
 import eu.kanade.presentation.components.VerticalFastScroller
-import eu.kanade.presentation.util.NavBarVisibility
+import eu.kanade.presentation.util.bottomNavPaddingValues
-import eu.kanade.presentation.util.isScrollingDown
-import eu.kanade.presentation.util.isScrollingUp
 import eu.kanade.presentation.util.plus
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.download.model.Download
@@ -56,7 +54,6 @@ fun UpdateScreen(
     onDownloadChapter: (List<UpdatesItem>, ChapterDownloadAction) -> Unit,
     onUpdateLibrary: () -> Unit,
     onBackClicked: () -> Unit,
-    toggleNavBarVisibility: (NavBarVisibility) -> Unit,
     // For bottom action menu
     onMultiBookmarkClicked: (List<UpdatesItem>, bookmark: Boolean) -> Unit,
     onMultiMarkAsReadClicked: (List<UpdatesItem>, read: Boolean) -> Unit,
@@ -86,13 +83,6 @@ fun UpdateScreen(
     // First and last selected index in list
     val selectedPositions = remember(uiModels) { arrayOf(-1, -1) }
 
-    when {
-        selected.isEmpty() &&
-            updatesListState.isScrollingUp() -> toggleNavBarVisibility(NavBarVisibility.SHOW)
-        selected.isNotEmpty() ||
-            updatesListState.isScrollingDown() -> toggleNavBarVisibility(NavBarVisibility.HIDE)
-    }
-
     val internalOnBackPressed = {
         if (selected.isNotEmpty()) {
             selected.clear()
@@ -133,7 +123,7 @@ fun UpdateScreen(
             )
         },
     ) { contentPadding ->
-        val contentPaddingWithNavBar = contentPadding +
+        val contentPaddingWithNavBar = bottomNavPaddingValues + contentPadding +
             WindowInsets.navigationBars.only(WindowInsetsSides.Bottom).asPaddingValues()
 
         SwipeRefresh(
@@ -153,6 +143,7 @@ fun UpdateScreen(
                 VerticalFastScroller(
                     listState = updatesListState,
                     topContentPadding = contentPaddingWithNavBar.calculateTopPadding(),
+                    bottomContentPadding = contentPaddingWithNavBar.calculateBottomPadding(),
                     endContentPadding = contentPaddingWithNavBar.calculateEndPadding(LocalLayoutDirection.current),
                 ) {
                     LazyColumn(

app/src/main/java/eu/kanade/presentation/util/Constants.kt

@@ -4,13 +4,12 @@ import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.ui.unit.dp
 
 private val horizontal = 16.dp
-
 private val vertical = 8.dp
 
 val horizontalPadding = horizontal
-
 val verticalPadding = vertical
 
 val topPaddingValues = PaddingValues(top = vertical)
+val bottomNavPaddingValues = PaddingValues(bottom = 96.dp)
 
 const val ReadItemAlpha = .38f

app/src/main/java/eu/kanade/presentation/util/NavBarVisibility.kt

@@ -1,13 +0,0 @@
-package eu.kanade.presentation.util
-
-enum class NavBarVisibility {
-    SHOW,
-    HIDE
-}
-
-fun NavBarVisibility.toBoolean(): Boolean {
-    return when (this) {
-        NavBarVisibility.SHOW -> true
-        NavBarVisibility.HIDE -> false
-    }
-}

app/src/main/java/eu/kanade/tachiyomi/ui/recent/updates/UpdatesController.kt

@@ -10,8 +10,6 @@ import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import eu.kanade.presentation.components.ChapterDownloadAction
 import eu.kanade.presentation.components.LoadingScreen
 import eu.kanade.presentation.updates.UpdateScreen
-import eu.kanade.presentation.util.NavBarVisibility
-import eu.kanade.presentation.util.toBoolean
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.download.DownloadService
 import eu.kanade.tachiyomi.data.download.model.Download
@@ -49,7 +47,6 @@ class UpdatesController :
                     onDownloadChapter = this::downloadChapters,
                     onUpdateLibrary = this::updateLibrary,
                     onBackClicked = this::onBackClicked,
-                    toggleNavBarVisibility = this::toggleNavBarVisibility,
                     // For bottom action menu
                     onMultiBookmarkClicked = { updatesItems, bookmark ->
                         presenter.bookmarkUpdates(updatesItems, bookmark)
@@ -80,15 +77,6 @@ class UpdatesController :
         (activity as? MainActivity)?.moveToStartScreen()
     }
 
-    private fun toggleNavBarVisibility(navBarVisibility: NavBarVisibility) {
-        val showNavBar = navBarVisibility.toBoolean()
-        (activity as? MainActivity)?.showBottomNav(showNavBar)
-    }
-
-    /**
-     * Download selected items
-     * @param items list of selected [UpdatesItem]s
-     */
     private fun downloadChapters(items: List<UpdatesItem>, action: ChapterDownloadAction) {
         if (items.isEmpty()) return
         viewScope.launch {

app/src/main/java/eu/kanade/tachiyomi/widget/HideBottomNavigationOnScrollBehavior.kt

@@ -1,106 +0,0 @@
-package eu.kanade.tachiyomi.widget
-
-import android.animation.ValueAnimator
-import android.content.Context
-import android.util.AttributeSet
-import android.view.View
-import android.view.ViewGroup
-import android.view.animation.DecelerateInterpolator
-import androidx.appcompat.widget.Toolbar
-import androidx.coordinatorlayout.widget.CoordinatorLayout
-import androidx.core.view.ViewCompat
-import com.google.android.material.appbar.AppBarLayout
-import com.google.android.material.bottomnavigation.BottomNavigationView
-import eu.kanade.tachiyomi.util.system.animatorDurationScale
-import eu.kanade.tachiyomi.util.view.findChild
-import kotlin.math.roundToLong
-
-/**
- * Hide behavior similar to app bar for [BottomNavigationView]
- */
-class HideBottomNavigationOnScrollBehavior @JvmOverloads constructor(
-    context: Context? = null,
-    attrs: AttributeSet? = null,
-) : CoordinatorLayout.Behavior<BottomNavigationView>(context, attrs) {
-
-    @ViewCompat.NestedScrollType
-    private var lastStartedType: Int = 0
-
-    private var offsetAnimator: ValueAnimator? = null
-
-    private var dyRatio = 1F
-
-    override fun layoutDependsOn(parent: CoordinatorLayout, child: BottomNavigationView, dependency: View): Boolean {
-        return dependency is AppBarLayout
-    }
-
-    override fun onDependentViewChanged(
-        parent: CoordinatorLayout,
-        child: BottomNavigationView,
-        dependency: View,
-    ): Boolean {
-        val toolbarSize = (dependency as ViewGroup).findChild<Toolbar>()?.height ?: 0
-        dyRatio = if (toolbarSize > 0) {
-            child.height.toFloat() / toolbarSize
-        } else {
-            1F
-        }
-        return false
-    }
-
-    override fun onStartNestedScroll(
-        coordinatorLayout: CoordinatorLayout,
-        child: BottomNavigationView,
-        directTargetChild: View,
-        target: View,
-        axes: Int,
-        type: Int,
-    ): Boolean {
-        if (axes != ViewCompat.SCROLL_AXIS_VERTICAL) {
-            return false
-        }
-        lastStartedType = type
-        offsetAnimator?.cancel()
-        return true
-    }
-
-    override fun onNestedPreScroll(
-        coordinatorLayout: CoordinatorLayout,
-        child: BottomNavigationView,
-        target: View,
-        dx: Int,
-        dy: Int,
-        consumed: IntArray,
-        type: Int,
-    ) {
-        super.onNestedPreScroll(coordinatorLayout, child, target, dx, dy, consumed, type)
-        child.translationY = (child.translationY + (dy * dyRatio)).coerceIn(0F, child.height.toFloat())
-    }
-
-    override fun onStopNestedScroll(
-        coordinatorLayout: CoordinatorLayout,
-        child: BottomNavigationView,
-        target: View,
-        type: Int,
-    ) {
-        if (lastStartedType == ViewCompat.TYPE_TOUCH || type == ViewCompat.TYPE_NON_TOUCH) {
-            animateBottomNavigationVisibility(child, child.translationY < child.height / 2)
-        }
-    }
-
-    private fun animateBottomNavigationVisibility(child: BottomNavigationView, isVisible: Boolean) {
-        offsetAnimator?.cancel()
-        offsetAnimator = ValueAnimator().apply {
-            interpolator = DecelerateInterpolator()
-            duration = (150 * child.context.animatorDurationScale).roundToLong()
-            addUpdateListener {
-                child.translationY = it.animatedValue as Float
-            }
-        }
-        offsetAnimator?.setFloatValues(
-            child.translationY,
-            if (isVisible) 0F else child.height.toFloat(),
-        )
-        offsetAnimator?.start()
-    }
-}

app/src/main/res/layout/main_activity.xml

@@ -77,7 +77,6 @@
         android:layout_height="wrap_content"
         android:layout_gravity="bottom"
         android:clickable="true"
-        app:layout_behavior="eu.kanade.tachiyomi.widget.HideBottomNavigationOnScrollBehavior"
         app:layout_insetEdge="bottom"
         app:menu="@menu/main_nav"
         tools:ignore="KeyboardInaccessibleWidget" />