ToggleOnTapCallback.java 文件源码

@Override
public void onTouchDown() {
    if (mAnim != null) {
        mAnim.cancel();
    }
    if (mViewtoToggle.getAlpha() == 1f) {
        mIgnoreNextTap = true;
    }

    mAnim = mViewtoToggle.animate();
    mAnim.alpha(0f)
            .setDuration(150)
            .withEndAction(new Runnable() {
                public void run() {
                    mViewtoToggle.setVisibility(View.INVISIBLE);
                }
            });

    mAnim.setInterpolator(new AccelerateInterpolator(0.75f));
    mAnim.start();
}