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Code Issues Packages Projects Releases Wiki Activity

Change how the bottom navigation is hidden (#5823)

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* Change how the bottom navigation is hidden

Modifies the translationY instead of the height.

* Cleanups
This commit is contained in:
Ivan Iskandar 2021-09-17 04:37:17 +07:00 committed by GitHub
parent be001d090c
commit f125ab01ee
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 193 additions and 150 deletions
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4
app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryController.kt
View File

@ -383,7 +383,7 @@ class LibraryController(
actionMode!!,
R.menu.library_selection
) { onActionItemClicked(it!!) }
(activity as? MainActivity)?.showBottomNav(visible = false, expand = true)
(activity as? MainActivity)?.showBottomNav(false)
}
}
@ -492,7 +492,7 @@ class LibraryController(
selectionRelay.call(LibrarySelectionEvent.Cleared())
binding.actionToolbar.hide()
(activity as? MainActivity)?.showBottomNav(visible = true, expand = true)
(activity as? MainActivity)?.showBottomNav(true)
actionMode = null
}

46
app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt
View File

@ -10,7 +10,6 @@ import android.view.Gravity
import android.view.ViewGroup
import android.widget.Toast
import androidx.appcompat.view.ActionMode
import androidx.coordinatorlayout.widget.CoordinatorLayout
import androidx.core.animation.doOnEnd
import androidx.core.splashscreen.SplashScreen
import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
@ -64,7 +63,6 @@ import eu.kanade.tachiyomi.util.system.dpToPx
import eu.kanade.tachiyomi.util.system.isTablet
import eu.kanade.tachiyomi.util.system.toast
import eu.kanade.tachiyomi.util.view.setNavigationBarTransparentCompat
import eu.kanade.tachiyomi.widget.HideBottomNavigationOnScrollBehavior
import kotlinx.coroutines.delay
import kotlinx.coroutines.flow.drop
import kotlinx.coroutines.flow.launchIn
@ -86,8 +84,6 @@ class MainActivity : BaseViewBindingActivity<MainActivityBinding>() {
}
}
private var bottomNavAnimator: ViewHeightAnimator? = null
private var isConfirmingExit: Boolean = false
private var isHandlingShortcut: Boolean = false
@ -138,15 +134,6 @@ class MainActivity : BaseViewBindingActivity<MainActivityBinding>() {
}
setSplashScreenExitAnimation(splashScreen)
if (binding.bottomNav != null) {
bottomNavAnimator = ViewHeightAnimator(binding.bottomNav!!)
// Set behavior of bottom nav
preferences.hideBottomBarOnScroll()
.asImmediateFlow { setBottomNavBehaviorOnScroll() }
.launchIn(lifecycleScope)
}
if (binding.sideNav != null) {
preferences.sideNavIconAlignment()
.asImmediateFlow {
@ -532,11 +519,11 @@ class MainActivity : BaseViewBindingActivity<MainActivityBinding>() {
binding.appbar.setExpanded(true)
if ((from == null || from is RootController) && to !is RootController) {
showNav(visible = false, expand = true)
showNav(false)
}
if (to is RootController) {
// Always show bottom nav again when returning to a RootController
showNav(visible = true, expand = from !is RootController)
showNav(true)
}
if (from is TabbedController) {
@ -587,27 +574,22 @@ class MainActivity : BaseViewBindingActivity<MainActivityBinding>() {
}
}
private fun showNav(visible: Boolean, expand: Boolean = false) {
showBottomNav(visible, expand)
private fun showNav(visible: Boolean) {
showBottomNav(visible)
showSideNav(visible)
}
// Also used from some controllers to swap bottom nav with action toolbar
fun showBottomNav(visible: Boolean, expand: Boolean = false) {
fun showBottomNav(visible: Boolean) {
if (visible) {
binding.bottomNav?.translationY = 0F
if (expand) {
bottomNavAnimator?.expand()
}
binding.bottomNav?.slideUp()
} else {
bottomNavAnimator?.collapse()
binding.bottomNav?.slideDown()
}
}
private fun showSideNav(visible: Boolean) {
binding.sideNav?.let {
it.isVisible = visible
}
binding.sideNav?.isVisible = visible
}
/**
@ -622,18 +604,6 @@ class MainActivity : BaseViewBindingActivity<MainActivityBinding>() {
}
}
private fun setBottomNavBehaviorOnScroll() {
showNav(visible = true)
binding.bottomNav?.updateLayoutParams<CoordinatorLayout.LayoutParams> {
behavior = when {
preferences.hideBottomBarOnScroll().get() -> HideBottomNavigationOnScrollBehavior()
else -> null
}
}
binding.bottomNav?.translationY = 0F
}
private val nav: NavigationBarView
get() = binding.bottomNav ?: binding.sideNav!!

107
app/src/main/java/eu/kanade/tachiyomi/ui/main/ViewHeightAnimator.kt
View File

@ -1,107 +0,0 @@
package eu.kanade.tachiyomi.ui.main
import android.animation.ObjectAnimator
import android.view.View
import android.view.ViewTreeObserver
import android.view.animation.DecelerateInterpolator
import androidx.annotation.Keep
class ViewHeightAnimator(val view: View, val duration: Long = 250L) {
/**
* The default height of the view. It's unknown until the view is layout.
*/
private var height = 0
/**
* Whether the last state of the view is shown or hidden.
*/
private var isLastStateShown = true
/**
* Animation used to expand and collapse the view.
*/
private val animation by lazy {
ObjectAnimator.ofInt(this, "height", height).apply {
duration = this@ViewHeightAnimator.duration
interpolator = DecelerateInterpolator()
}
}
init {
view.viewTreeObserver.addOnGlobalLayoutListener(
object : ViewTreeObserver.OnGlobalLayoutListener {
override fun onGlobalLayout() {
if (view.height > 0) {
view.viewTreeObserver.removeOnGlobalLayoutListener(this)
// Save the tabs default height.
height = view.height
// Now that we know the height, set the initial height.
if (isLastStateShown) {
setHeight(height)
} else {
setHeight(0)
}
}
}
}
)
}
/**
* Sets the height of the tab layout.
*
* @param newHeight The new height of the tab layout.
*/
@Keep
fun setHeight(newHeight: Int) {
view.layoutParams.height = newHeight
view.requestLayout()
}
/**
* Returns the height of the tab layout. This method is also called from the animator through
* reflection.
*/
fun getHeight(): Int {
return view.layoutParams.height
}
/**
* Expands the tab layout with an animation.
*/
fun expand() {
if (isMeasured) {
if (getHeight() != height) {
animation.setIntValues(height)
animation.start()
} else {
animation.cancel()
}
}
isLastStateShown = true
}
/**
* Collapse the tab layout with an animation.
*/
fun collapse() {
if (isMeasured) {
if (getHeight() != 0) {
animation.setIntValues(0)
animation.start()
} else {
animation.cancel()
}
}
isLastStateShown = false
}
/**
* Returns whether the tab layout has a known height.
*/
private val isMeasured: Boolean
get() = height > 0
}

4
app/src/main/java/eu/kanade/tachiyomi/ui/recent/updates/UpdatesController.kt
View File

@ -180,7 +180,7 @@ class UpdatesController :
actionMode!!,
R.menu.updates_chapter_selection
) { onActionItemClicked(it!!) }
(activity as? MainActivity)?.showBottomNav(visible = false, expand = true)
(activity as? MainActivity)?.showBottomNav(false)
}
toggleSelection(position)
@ -386,7 +386,7 @@ class UpdatesController :
adapter?.clearSelection()
binding.actionToolbar.hide()
(activity as? MainActivity)?.showBottomNav(visible = true, expand = true)
(activity as? MainActivity)?.showBottomNav(true)
actionMode = null
}

6
app/src/main/java/eu/kanade/tachiyomi/util/system/AnimationExtensions.kt
View File

@ -1,6 +1,7 @@
package eu.kanade.tachiyomi.util.system
import android.content.Context
import android.view.ViewPropertyAnimator
import android.view.animation.Animation
import androidx.constraintlayout.motion.widget.MotionScene.Transition
@ -14,3 +15,8 @@ fun Transition.applySystemAnimatorScale(context: Context) {
// End layout of cover expanding animation tends to break when the transition is less than ~25ms
this.duration = (this.duration * context.animatorDurationScale).toInt().coerceAtLeast(25)
}
/** Scale the duration of this [ViewPropertyAnimator] by [Context.animatorDurationScale] */
fun ViewPropertyAnimator.applySystemAnimatorScale(context: Context): ViewPropertyAnimator = apply {
this.duration = (this.duration * context.animatorDurationScale).toLong()
}

174
app/src/main/java/eu/kanade/tachiyomi/widget/TachiyomiBottomNavigationView.kt Normal file
View File

@ -0,0 +1,174 @@
package eu.kanade.tachiyomi.widget
import android.animation.Animator
import android.animation.AnimatorListenerAdapter
import android.animation.TimeInterpolator
import android.content.Context
import android.os.Parcel
import android.os.Parcelable
import android.util.AttributeSet
import android.view.ViewPropertyAnimator
import androidx.coordinatorlayout.widget.CoordinatorLayout
import androidx.core.view.doOnLayout
import androidx.core.view.doOnNextLayout
import androidx.core.view.updateLayoutParams
import androidx.customview.view.AbsSavedState
import androidx.interpolator.view.animation.FastOutLinearInInterpolator
import androidx.interpolator.view.animation.LinearOutSlowInInterpolator
import androidx.lifecycle.findViewTreeLifecycleOwner
import androidx.lifecycle.lifecycleScope
import com.google.android.material.bottomnavigation.BottomNavigationView
import eu.kanade.tachiyomi.R
import eu.kanade.tachiyomi.data.preference.PreferencesHelper
import eu.kanade.tachiyomi.data.preference.asImmediateFlow
import eu.kanade.tachiyomi.util.system.applySystemAnimatorScale
import kotlinx.coroutines.flow.launchIn
import uy.kohesive.injekt.Injekt
import uy.kohesive.injekt.api.get
class TachiyomiBottomNavigationView @JvmOverloads constructor(
context: Context,
attrs: AttributeSet? = null,
defStyleAttr: Int = R.attr.bottomNavigationStyle,
defStyleRes: Int = R.style.Widget_Design_BottomNavigationView
) : BottomNavigationView(context, attrs, defStyleAttr, defStyleRes) {
private var currentAnimator: ViewPropertyAnimator? = null
private var currentState = STATE_UP
init {
// Hide on scroll
doOnLayout {
findViewTreeLifecycleOwner()?.lifecycleScope?.let { scope ->
Injekt.get<PreferencesHelper>().hideBottomBarOnScroll()
.asImmediateFlow {
updateLayoutParams<CoordinatorLayout.LayoutParams> {
behavior = if (it) {
HideBottomNavigationOnScrollBehavior()
} else {
null
}
}
}
.launchIn(scope)
}
}
}
override fun onSaveInstanceState(): Parcelable {
val superState = super.onSaveInstanceState()
return SavedState(superState).also {
it.currentState = currentState
}
}
override fun onRestoreInstanceState(state: Parcelable?) {
if (state is SavedState) {
super.onRestoreInstanceState(state.superState)
doOnNextLayout {
if (state.currentState == STATE_UP) {
slideUp(animate = false)
} else if (state.currentState == STATE_DOWN) {
slideDown(animate = false)
}
}
} else {
super.onRestoreInstanceState(state)
}
}
override fun setTranslationY(translationY: Float) {
// Disallow translation change when state down
if (currentState == STATE_DOWN) return
super.setTranslationY(translationY)
}
/**
* Shows this view up.
*
* @param animate True if slide up should be animated
*/
fun slideUp(animate: Boolean = true) {
currentAnimator?.cancel()
clearAnimation()
currentState = STATE_UP
animateTranslation(
0F,
if (animate) SLIDE_UP_ANIMATION_DURATION else 0,
LinearOutSlowInInterpolator()
)
}
/**
* Hides this view down. [setTranslationY] won't work until [slideUp] is called.
*
* @param animate True if slide down should be animated
*/
fun slideDown(animate: Boolean = true) {
currentAnimator?.cancel()
clearAnimation()
currentState = STATE_DOWN
animateTranslation(
height.toFloat(),
if (animate) SLIDE_DOWN_ANIMATION_DURATION else 0,
FastOutLinearInInterpolator()
)
}
private fun animateTranslation(targetY: Float, duration: Long, interpolator: TimeInterpolator) {
currentAnimator = animate()
.translationY(targetY)
.setInterpolator(interpolator)
.setDuration(duration)
.applySystemAnimatorScale(context)
.setListener(object : AnimatorListenerAdapter() {
override fun onAnimationEnd(animation: Animator?) {
currentAnimator = null
postInvalidate()
}
})
}
internal class SavedState : AbsSavedState {
var currentState = STATE_UP
constructor(superState: Parcelable) : super(superState)
constructor(source: Parcel, loader: ClassLoader?) : super(source, loader) {
currentState = source.readByte().toInt()
}
override fun writeToParcel(out: Parcel, flags: Int) {
super.writeToParcel(out, flags)
out.writeByte(currentState.toByte())
}
companion object {
@JvmField
val CREATOR: Parcelable.ClassLoaderCreator<SavedState> = object : Parcelable.ClassLoaderCreator<SavedState> {
override fun createFromParcel(source: Parcel, loader: ClassLoader): SavedState {
return SavedState(source, loader)
}
override fun createFromParcel(source: Parcel): SavedState {
return SavedState(source, null)
}
override fun newArray(size: Int): Array<SavedState> {
return newArray(size)
}
}
}
}
companion object {
private const val STATE_DOWN = 1
private const val STATE_UP = 2
private const val SLIDE_UP_ANIMATION_DURATION = 225L
private const val SLIDE_DOWN_ANIMATION_DURATION = 175L
}
}

2
app/src/main/res/layout/main_activity.xml
View File

@ -75,7 +75,7 @@
android:id="@+id/fab_layout"
layout="@layout/main_activity_fab" />
<com.google.android.material.bottomnavigation.BottomNavigationView
<eu.kanade.tachiyomi.widget.TachiyomiBottomNavigationView
android:id="@+id/bottom_nav"
android:layout_width="match_parent"
android:layout_height="wrap_content"