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Android Animations and Transitions Animations Basics Choreograph an Animation

Posted by Stanley Aaron Meki
Stanley Aaron Meki
6,345 Points

There are a few animations defined below. Create a set that will play the fade and move animations at the same time. Don

help m guys lm stuck

CodeChallenge.java 
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!
private void animate {
  ObjectAnimator scalex = ObjectAnimator.ofFloat(fab, "scaleX", 0, 1);
ObjectAnimator scaley = ObjectAnimator.ofFloat(fab, "scaleY", 0, 1);
AnimatorSet scaleFab = new AnimatorSet();
scaleFab.playTogether(scalex, scaley);

int tItleStartValue = titlePanel.getTop();
int titleEndValue =titlePanel.getBottom();
ObjectAnimator animatorTitle = ObjectAnimator.ofInt(titlePanel, "bottom", titleStartValue, titleEndValue);

int trackStartValue = trackPanel.getTop();
int trackEndValue =trackPanel.getBottom();
ObjectAnimator animatorTrack = ObjectAnimator.ofInt(trackPanel, "bottom", trackStartValue, trackEndValue);

  AnimatorSet set = new AnimatorSet();
set.playSequentially(animatorTitle, animatorTrack, scaleFab);
}