Remove up/down animation for FAB, add list padding (#2456)

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

@@ -1,35 +0,0 @@
-package eu.kanade.tachiyomi.widget
-
-import androidx.coordinatorlayout.widget.CoordinatorLayout
-import com.google.android.material.floatingactionbutton.FloatingActionButton
-import androidx.core.view.ViewCompat
-import android.view.View
-
-abstract class FABAnimationBase : FloatingActionButton.Behavior() {
-
-    var isAnimatingOut = false
-
-    override fun onStartNestedScroll(coordinatorLayout: CoordinatorLayout, child: FloatingActionButton,
-                                     directTargetChild: View, target: View, axes: Int, type: Int): Boolean {
-        // Ensure we react to vertical scrolling
-        return axes == ViewCompat.SCROLL_AXIS_VERTICAL ||
-                super.onStartNestedScroll(coordinatorLayout, child, directTargetChild, target, axes, type)
-    }
-
-    override fun onNestedScroll(coordinatorLayout: CoordinatorLayout, child: FloatingActionButton,
-                                target: View, dxConsumed: Int, dyConsumed: Int, dxUnconsumed: Int,
-                                dyUnconsumed: Int, type: Int) {
-        super.onNestedScroll(coordinatorLayout, child, target, dxConsumed, dyConsumed, dxUnconsumed, dyUnconsumed, type)
-
-        if (dyConsumed > 0 && !isAnimatingOut && child.visibility == View.VISIBLE) {
-            // User scrolled down and the FAB is currently visible -> hide the FAB
-            animateOut(child)
-        } else if (dyConsumed < 0 && child.visibility != View.VISIBLE) {
-            // User scrolled up and the FAB is currently not visible -> show the FAB
-            animateIn(child)
-        }
-    }
-
-    abstract fun animateOut(button: FloatingActionButton)
-    abstract fun animateIn(button: FloatingActionButton)
-}

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

@@ -1,51 +0,0 @@
-package eu.kanade.tachiyomi.widget
-
-import android.content.Context
-import com.google.android.material.floatingactionbutton.FloatingActionButton
-import androidx.interpolator.view.animation.FastOutSlowInInterpolator
-import android.util.AttributeSet
-import android.view.View
-import android.view.animation.Animation
-import android.view.animation.AnimationUtils
-import eu.kanade.tachiyomi.R
-
-@Suppress("unused", "UNUSED_PARAMETER")
-class FABAnimationUpDown @JvmOverloads constructor(ctx: Context, attrs: AttributeSet? = null) : FABAnimationBase() {
-
-    private val INTERPOLATOR = FastOutSlowInInterpolator()
-
-    private val outAnimation by lazy {
-        AnimationUtils.loadAnimation(ctx, R.anim.fab_hide_to_bottom).apply {
-            duration = 200
-            interpolator = INTERPOLATOR
-        }
-    }
-    private val inAnimation by lazy {
-        AnimationUtils.loadAnimation(ctx, R.anim.fab_show_from_bottom).apply {
-            duration = 200
-            interpolator = INTERPOLATOR
-        }
-    }
-
-    override fun animateOut(button: FloatingActionButton) {
-        outAnimation.setAnimationListener(object : Animation.AnimationListener {
-            override fun onAnimationStart(animation: Animation) {
-                isAnimatingOut = true
-            }
-
-            override fun onAnimationEnd(animation: Animation) {
-                isAnimatingOut = false
-                button.visibility = View.INVISIBLE
-            }
-
-            override fun onAnimationRepeat(animation: Animation) {
-            }
-        })
-        button.startAnimation(outAnimation)
-    }
-
-    override fun animateIn(button: FloatingActionButton) {
-        button.visibility = View.VISIBLE
-        button.startAnimation(inAnimation)
-    }
-}

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

@@ -6,12 +6,13 @@
              android:layout_height="match_parent">
 
     <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/recycler"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:id="@+id/recycler"
         android:choiceMode="multipleChoice"
-        tools:listitem="@layout/categories_item"
-        />
+        android:paddingBottom="@dimen/fab_list_padding"
+        android:clipToPadding="false"
+        tools:listitem="@layout/categories_item" />
 
     <com.google.android.material.floatingactionbutton.FloatingActionButton
         android:id="@+id/fab"

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

@@ -28,6 +28,8 @@
             android:layout_height="match_parent"
             android:layout_marginLeft="16dp"
             android:layout_marginRight="16dp"
+            android:paddingBottom="@dimen/fab_list_padding"
+            android:clipToPadding="false"
             android:descendantFocusability="blocksDescendants"
             tools:listitem="@layout/chapters_item">
 

app/src/main/res/values/dimens.xml

@@ -6,9 +6,11 @@
     <dimen name="margin_bottom">16dp</dimen>
     <dimen name="margin_left">16dp</dimen>
     <dimen name="margin_right">16dp</dimen>
-    <dimen name="fab_margin">16dp</dimen>
     <dimen name="space_between_cards">4dp</dimen>
+
     <dimen name="fab_size">56dp</dimen>
+    <dimen name="fab_margin">16dp</dimen>
+    <dimen name="fab_list_padding">88dp</dimen>
 
     <dimen name="dialog_content_padding">24dp</dimen>
     <dimen name="dialog_margin_top_content">20dp</dimen>

app/src/main/res/values/styles.xml

@@ -145,7 +145,6 @@
         <item name="android:scaleType">fitCenter</item>
         <item name="layout_anchorGravity">bottom|right|end</item>
         <item name="android:tint">@color/md_white_1000</item>
-        <item name="layout_behavior">eu.kanade.tachiyomi.widget.FABAnimationUpDown</item>
     </style>
 
     <style name="Theme.Widget.CardView" parent="CardView">