将标签添加到滚动视图后什么也看不到

时间:2018-09-09 15:25:55

标签: ios swift

我正在尝试将标签快速添加到滚动视图中,但它对我不起作用,这是我的代码:

import requests as req
from bs4 import BeautifulSoup as bs
import os
import asyncio
from aiostream import stream, pipe

myList = []

def get_myList():
    """
    Append values to myList in the format [(,), (,), (,), ...]
    """

async def download(link, title):

    # Download a page
    try:
        page = await req.get(link)
        # Process with BeautifulSoup
        pass
    except:
        pass

async def main():
    get_myList()

    min_iterList = iter(myList[:])

    stream.starmap(min_iterList, download, ordered=True, task_limit=10)

if __name__=="__main__":
    freeze_support()
    loop = asyncio.get_event_loop()
    loop.run_until_complete(main())
    loop.close()

但是当我运行我的应用程序时,我什么也没看到:

MDN documentation

1 个答案:

答案 0 :(得分:0)

如果“当您[运行]应用程序时什么都看不到”,这并不意味着它不存在于视图层次结构中。通过打印messageLbl.frame.origin.x调试代码,并检查是否得到的值大于屏幕宽度。

调整此行中的代码将达到目的:

messageLbl.frame.origin.x = (self.resultsScrollView.frame.size.width - self.messageX) - messageLbl.frame.size.width