Restore bottom nav position earlier after being recreated (#6648)

This commit is contained in:
Ivan Iskandar 2022-02-18 10:08:36 +07:00 committed by GitHub
parent 57c07250fd
commit a8ad19a89d
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GPG key ID: 4AEE18F83AFDEB23

View file

@ -10,7 +10,6 @@ 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
@ -60,19 +59,15 @@ class TachiyomiBottomNavigationView @JvmOverloads constructor(
val superState = super.onSaveInstanceState()
return SavedState(superState).also {
it.currentState = currentState
it.translationY = translationY
}
}
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)
}
}
super.setTranslationY(state.translationY)
currentState = state.currentState
} else {
super.onRestoreInstanceState(state)
}
@ -86,34 +81,30 @@ class TachiyomiBottomNavigationView @JvmOverloads constructor(
/**
* Shows this view up.
*
* @param animate True if slide up should be animated
*/
fun slideUp(animate: Boolean = true) = post {
fun slideUp() = post {
currentAnimator?.cancel()
clearAnimation()
currentState = STATE_UP
animateTranslation(
0F,
if (animate) SLIDE_UP_ANIMATION_DURATION else 0,
SLIDE_UP_ANIMATION_DURATION,
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) = post {
fun slideDown() = post {
currentAnimator?.cancel()
clearAnimation()
currentState = STATE_DOWN
animateTranslation(
height.toFloat(),
if (animate) SLIDE_DOWN_ANIMATION_DURATION else 0,
SLIDE_DOWN_ANIMATION_DURATION,
FastOutLinearInInterpolator()
)
}
@ -134,16 +125,19 @@ class TachiyomiBottomNavigationView @JvmOverloads constructor(
internal class SavedState : AbsSavedState {
var currentState = STATE_UP
var translationY = 0F
constructor(superState: Parcelable) : super(superState)
constructor(source: Parcel, loader: ClassLoader?) : super(source, loader) {
currentState = source.readByte().toInt()
currentState = source.readInt()
translationY = source.readFloat()
}
override fun writeToParcel(out: Parcel, flags: Int) {
super.writeToParcel(out, flags)
out.writeByte(currentState.toByte())
out.writeInt(currentState)
out.writeFloat(translationY)
}
companion object {