PathFragment.java 文件源码

@OnClick(R.id.btn_start)
public void onAction() {

    float start = mView.getY();
    if (start > 680f) {
        start = 0f;
        mView.setY(0f);
    }
    ObjectAnimator anim = ObjectAnimator.ofFloat(mView, "Y", start, mView.getY() + 180f);
    anim.setDuration(800);
    anim.setInterpolator(new CycleInterpolator(0.5f));
    anim.start();
}