private void doEnd() {
        if (TAG == FINISH && mCurrentProgress == 100) {
            setVisibility(GONE);
            mCurrentProgress = 0f;
            this.setAlpha(1f);
        }
        TAG = UN_START;
    }
animator cause leak , if not cancel;
app/src/main/java/com/example/jingbin/webviewstudy/config/WebProgress.java