How to apply multiple animation in sequence using ViewProperty animator?

Question

I want to apply multiple scaleX animations on a view.

  binding.indicator
            .animate()
            .scaleX(2f)
            .start()

  binding.indicator
            .animate()
            .translationX(binding.indicator.width.toFloat())
            .setStartDelay(1000)
            .start()

  binding.indicator
            .animate()
            .scaleX(1f)
            .setStartDelay(2000)
            .start()

I thing the latest animator just overrides the animator on the view. How can I achieve this?

I want to do the following animations in sequence: scaleX -> translateX -> scaleX

End product I want to achieve: https://i.sstatic.net/68ECG.jpg

zen_of_kermit · Accepted Answer · 2022-03-24 04:53:25Z

3

Use an AnimatorSet and play the animations sequentially:

val anim1 = ObjectAnimator.ofFloat(view, "scaleX", 2f)
val anim2 = ObjectAnimator.ofFloat(view, "translationX", view.width.toFloat())
val anim3 = ObjectAnimator.ofFloat(view, "scaleX", 1f)
val animatorSet = AnimatorSet()
animatorSet.playSequentially(anim1, anim2, anim3)
animatorSet.duration = 3000
animatorSet.interpolator = AccelerateInterpolator()
animatorSet.start()

answered Mar 24, 2022 at 4:53

zen_of_kermit

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