MultiChoicesCircleButton.java 文件源码

public void hide(boolean withAnimation) {
    if (mHidden) {
        return;
    }

    mHidden = true;
    if (mState == STATE_EXPANDED) {
        mState = STATE_COLLAPSED;
        mCurrentExpandProgress = 0;
        mHoverItemIndex = -1;
        invalidate();
    }
    ViewCompat.animate(this)
            .translationY(mCollapseRadius)
            .setInterpolator(new LinearOutSlowInInterpolator())
            .setDuration(withAnimation ? 200 : 0)
            .start();
}