AnimUtils.java 文件源码

/**
 * @param shouldResetTextColor if true make sure you end the previous animation before starting this one.
 */
public static ObjectAnimator getShakeAnimation(final TextView textView, final boolean shouldResetTextColor) {
    final int textColor = textView.getCurrentTextColor();
    textView.setTextColor(Color.RED);

    ObjectAnimator shakeAnim = ObjectAnimator.ofFloat(textView, "translationX", -16);
    shakeAnim.setDuration(SHAKE_DURATION);
    shakeAnim.setInterpolator(new CycleInterpolator(2.0f));
    shakeAnim.addListener(new AnimatorListenerAdapter() {
        @Override
        public void onAnimationEnd(Animator anim) {
            if (shouldResetTextColor) {
                textView.setTextColor(textColor);
            }
        }
    });
    return shakeAnim;
}