RefreshLayout.java 文件源码

public void setShowTip(String tip) {
    boolean oldShow = mShowTip;
    mShowTip = true;
    ((TextView) mTipView).setText(tip);

    if (oldShow) {
        mTipView.removeCallbacks(hideTipRunnable);
    } else {
        mTipView.clearAnimation();
        ScaleAnimation scaleAnimation = new ScaleAnimation(0.6f, 1, 1, 1,
                Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
        scaleAnimation.setDuration(ANIM_TIME);
        mTipView.startAnimation(scaleAnimation);
    }
    mTipView.postDelayed(hideTipRunnable, 1000);
}