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what's wrong in answer?
Finally, create a third set to play the first two sets one after another. The alpha and move animations should go first, followed by the scale animations. Don't forget to start this last set to run everything!
ObjectAnimator fadeInAnimator = ObjectAnimator.ofFloat(button, View.ALPHA, 0, 1); fadeInAnimator.setDuration(1000); ObjectAnimator moveUpAnimator = ObjectAnimator.ofInt(button, "top", buttonTop, 16); moveUpAnimator.setDuration(1000); ObjectAnimator scaleXAnimator = ObjectAnimator.ofFloat(button, "scaleX", 1.0f, 1.5f); scaleXAnimator.setDuration(300); ObjectAnimator scaleYAnimator = ObjectAnimator.ofFloat(button, "scaleY", 1.0f, 1.5f); scaleYAnimator.setDuration(300); // Add code below! AnimatorSet scale = new AnimatorSet(); scale.playTogether(fadeInAnimator, moveUpAnimator, scaleXAnimator, scaleYAnimator); AnimatorSet set = new AnimatorSet(); set.playTogether(scaleXAnimator, scaleYAnimator); AnimatorSet scalele = new AnimatorSet(); scalele.playSequentially(scale,set); scalele.start();