Morpho.java 文件源码

public Morpho reverse(AnimationType type, int duration, Interpolator interpolator) {
    boolean animationPartsIsConfigured = this.animationParts != null && this.animationParts.size() > 0;
    boolean coreViewIsInitialized = this.viewToMorph != null && this.viewDefault != null;
    boolean animationIsNotRunning = this.completeAnimation != null && !this.completeAnimation.isRunning();
    if (animationPartsIsConfigured && coreViewIsInitialized && animationIsNotRunning) {
        this.completeAnimation = new AnimatorSet();
        ArrayList<Animation> reversedAnimationParts = new ArrayList<>();
        reversedAnimationParts.addAll(animationParts);
        Collections.reverse(reversedAnimationParts);
        ArrayList<Animator> animators = new ArrayList<>();
        for (Animation a : reversedAnimationParts) {
            animators.add(a.buildAnimation(this.viewDefault, this.viewToMorph, true));
        }
        // Type of Animation
        if (type == AnimationType.SEQUENTIAL) {
            this.completeAnimation.playSequentially(animators);
        } else {
            this.completeAnimation.playTogether(animators);
        }
        // Duration
        if (duration >= 0) {
            this.completeAnimation.setDuration(duration);
        }
        // Interpolator
        if (interpolator != null) {
            this.completeAnimation.setInterpolator(interpolator);
        }
        this.completeAnimation.start();
        this.completeAnimation = null;
    }
    return this;
}