IOS-like shaking animation

ShakeController.kt

import android.animation.ValueAnimator
import android.view.View
import java.lang.ref.WeakReference

class ShakeController(v: View) {
    val view: WeakReference<View> = WeakReference(v)
    private var isShaking = false

    //  rotate and translate bounds, params for random duration
    private val rotate = 1f
    private val translate = 0.01f
    private val minDuration = 120L
    private val maxDuration = 150L

    private val rotateAnimator: ValueAnimator = ValueAnimator.ofFloat(-rotate, rotate).apply {
        val rotateDuration = (minDuration..maxDuration).random()
        repeatCount = ValueAnimator.INFINITE
        repeatMode = ValueAnimator.REVERSE
        duration = rotateDuration
        currentPlayTime = (rotateDuration / 2)
    }

    private val translateAnimator: ValueAnimator = ValueAnimator.ofFloat(
        (-translate) * v.resources.displayMetrics.density,
        translate * v.resources.displayMetrics.density
    ).apply {
        val rotateDuration = (minDuration..maxDuration).random()
        repeatCount = ValueAnimator.INFINITE
        repeatMode = ValueAnimator.REVERSE
        duration = rotateDuration
        currentPlayTime = (rotateDuration / 2)
    }

    private val rotationListener = ValueAnimator.AnimatorUpdateListener {
        if (view.get()?.isAttachedToWindow == true) {
            val dX = it.animatedValue as Float
            view.get()?.rotation = dX
        }
    }

    private val translateListener = ValueAnimator.AnimatorUpdateListener {
        if (view.get()?.isAttachedToWindow == true) {
            val dX = it.animatedValue as Float
            view.get()?.translationX = dX
        }
    }

    init {
        rotateAnimator.addUpdateListener(rotationListener)
        translateAnimator.addUpdateListener(translateListener)
    }

    fun startShaking() {
        if (!isShaking) {
            isShaking = true
            rotateAnimator.start()
            translateAnimator.start()

            view.get()?.rotation = 0f
            view.get()?.translationX = 0f
        }
    }

    fun stopShaking() {
        if (isShaking) {
            isShaking = false
            rotateAnimator.cancel()
            translateAnimator.cancel()

            view.get()?.rotation = 0f
            view.get()?.translationX = 0f
        }
    }
}