Example usage for android.view.animation ScaleAnimation setInterpolator

Introduction

In this page you can find the example usage for android.view.animation ScaleAnimation setInterpolator.

Prototype

public void setInterpolator(Interpolator i) 

Source Link

Document

Sets the acceleration curve for this animation.

Usage

From source file:com.adityarathi.muo.ui.activities.NowPlayingActivity.java

/**
 * Animates the play button to a pause button.
 *//*  w w w .ja v a 2  s  .  com*/
private void animatePlayToPause() {

    //Check to make sure the current icon is the play icon.
    if (mPlayPauseButton.getId() != R.drawable.ic_play)
        return;

    //Fade out the play button.
    final ScaleAnimation scaleOut = new ScaleAnimation(1.0f, 0.0f, 1.0f, 0.0f, mPlayPauseButton.getWidth() / 2,
            mPlayPauseButton.getHeight() / 2);
    scaleOut.setDuration(150);
    scaleOut.setInterpolator(new AccelerateInterpolator());

    //Scale in the pause button.
    final ScaleAnimation scaleIn = new ScaleAnimation(0.0f, 1.0f, 0.0f, 1.0f, mPlayPauseButton.getWidth() / 2,
            mPlayPauseButton.getHeight() / 2);
    scaleIn.setDuration(150);
    scaleIn.setInterpolator(new DecelerateInterpolator());

    scaleOut.setAnimationListener(new Animation.AnimationListener() {

        @Override
        public void onAnimationStart(Animation animation) {

        }

        @Override
        public void onAnimationEnd(Animation animation) {
            mPlayPauseButton.setImageResource(R.drawable.ic_play);
            mPlayPauseButton.setPadding(0, 0, 0, 0);
            mPlayPauseButton.startAnimation(scaleIn);
        }

        @Override
        public void onAnimationRepeat(Animation animation) {

        }

    });

    scaleIn.setAnimationListener(new Animation.AnimationListener() {

        @Override
        public void onAnimationStart(Animation animation) {

        }

        @Override
        public void onAnimationEnd(Animation animation) {
            mPlayPauseButton.setScaleX(1.0f);
            mPlayPauseButton.setScaleY(1.0f);
            mPlayPauseButton.setId(R.drawable.ic_play);
        }

        @Override
        public void onAnimationRepeat(Animation animation) {

        }

    });

    mPlayPauseButton.startAnimation(scaleOut);
}

---

From source file:com.adityarathi.muo.ui.activities.NowPlayingActivity.java

/**
 * Animates the pause button to a play button.
 *///from  w ww.j ava 2s  .co m
private void animatePauseToPlay() {

    //Check to make sure the current icon is the pause icon.
    if (mPlayPauseButton.getId() != R.drawable.ic_play)
        return;

    //Scale out the pause button.
    final ScaleAnimation scaleOut = new ScaleAnimation(1.0f, 0.0f, 1.0f, 0.0f, mPlayPauseButton.getWidth() / 2,
            mPlayPauseButton.getHeight() / 2);
    scaleOut.setDuration(150);
    scaleOut.setInterpolator(new AccelerateInterpolator());

    //Scale in the play button.
    final ScaleAnimation scaleIn = new ScaleAnimation(0.0f, 1.0f, 0.0f, 1.0f, mPlayPauseButton.getWidth() / 2,
            mPlayPauseButton.getHeight() / 2);
    scaleIn.setDuration(150);
    scaleIn.setInterpolator(new DecelerateInterpolator());

    scaleOut.setAnimationListener(new Animation.AnimationListener() {

        @Override
        public void onAnimationStart(Animation animation) {

        }

        @Override
        public void onAnimationEnd(Animation animation) {
            mPlayPauseButton.setImageResource(R.drawable.ic_play);
            mPlayPauseButton.setPadding(0, 0, -5, 0);
            mPlayPauseButton.startAnimation(scaleIn);
        }

        @Override
        public void onAnimationRepeat(Animation animation) {

        }

    });

    scaleIn.setAnimationListener(new Animation.AnimationListener() {

        @Override
        public void onAnimationStart(Animation animation) {

        }

        @Override
        public void onAnimationEnd(Animation animation) {
            mPlayPauseButton.setScaleX(1.0f);
            mPlayPauseButton.setScaleY(1.0f);
            mPlayPauseButton.setId(R.drawable.ic_play);
        }

        @Override
        public void onAnimationRepeat(Animation animation) {

        }

    });

    mPlayPauseButton.startAnimation(scaleOut);
}

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