SgvAnimationHelper.java 文件源码

/**
 * Add animations to translate a view's X-translation.  {@link android.animation.Animator.AnimatorListener} can be null.
 */
private static void addXTranslationAnimators(List<Animator> animators,
        final View view, int startTranslation, final int endTranslation, int animationDelay,
        AnimatorListener listener) {
    // We used to skip the animation if startTranslation == endTranslation,
    // but to add a recycle view listener, we need at least one animation
    view.setTranslationX(startTranslation);
    final ObjectAnimator translateAnimatorX = ObjectAnimator.ofFloat(view,
            View.TRANSLATION_X, startTranslation, endTranslation);
    translateAnimatorX.setInterpolator(sDecelerateQuintInterpolator);
    translateAnimatorX.setDuration(sAnimationDuration);
    translateAnimatorX.setStartDelay(animationDelay);
    if (listener != null) {
        translateAnimatorX.addListener(listener);
    }

    animators.add(translateAnimatorX);
}