How does scrollview or listview accomplish pull to refresh

[pet...@gmail.com]

How does scrollview or listview   accomplish pull to refresh

[Alexander Taylor]

I don't understand the question, can you elaborate?

[B. Jack]

Think he's trying to obtain the Android behavior in some apps (ie: twitter) where attempting to touch-drag the scrolling window down (back) when it's already at the top (start) causes the app to update (in twitter app checks for new tweets) and fill in new data at the top (before the current front-of-list).

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Date: Fri, 6 Jun 2014 05:26:09 -0700
From: alexander...@gmail.com
To: kivy-...@googlegroups.com
Subject: [kivy-users] Re: How does scrollview or listview accomplish pull to refresh

I don't understand the question, can you elaborate?

On Friday, 6 June 2014 07:51:02 UTC+1, pet...@gmail.com wrote:

How does scrollview or listview   accomplish pull to refresh

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[Wenxiang He]

Yes

How do that?

在 2014年6月6日星期五UTC+8下午9时22分01秒，gau_veldt写道：

[Alexander Taylor]

You would have to code this behaviour yourself. I would look at the properties (I think scroll_x and scroll_y) that store how far the field is scrolled...if these go outside the 0-1 range during overscroll, you can use that information to perform your own behaviour when it happens.

[Margulan Tukhfatov]

Can anyone solve this issue?? How to do it? I have same problem

пятница, 6 июня 2014 г., 21:22:01 UTC+8 пользователь gau_veldt написал:

[jetpack]

Here's an ugly minimal example that binds the overscroll behavior. 

main.py:- http://pastebin.com/XYjuGnjx

kv file:-http://pastebin.com/NpuTdxRY

name your kv file test.kv in order to run it.Hope this helps.