public boolean isEnabledNextPtrAtOnce() {
        return (mFlag & FLAG_ENABLE_NEXT_PTR_AT_ONCE) > 0;
    }
If @param enable has been set to true. The user can perform next PTR at once.

@param enable
common/src/main/java/com/sxjs/common/widget/pulltorefresh/PtrFrameLayout.java