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

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1.6 KiB
Kotlin
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package eu.kanade.tachiyomi.widget
import android.content.Context
import android.support.design.widget.FloatingActionButton
import android.support.v4.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
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.GONE
}
override fun onAnimationRepeat(animation: Animation) {
}
})
button.startAnimation(outAnimation)
}
override fun animateIn(button: FloatingActionButton) {
button.visibility = View.VISIBLE
button.startAnimation(inAnimation)
}
}