ScrollNumber | custom widget -- srcoll number | Android library
kandi X-RAY | ScrollNumber Summary
kandi X-RAY | ScrollNumber Summary
custom widget--srcoll number
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- Initializes the activity view
- Set number
- Sets the text font
- Sets the text color colors of the scroll numbers
- Sets the text size
- Measure text height
- Set text size
- Called when the next page is drawn
- Draws the inner text
- Draws the next number
- Calculate the measured dimension
- Calculate the width of a measure
- Calculate the height of a measure
- Sets the interpolator for all scroll numbers
- Set the interpolator to use
- Converts dp value to pixels
- Convert the spp value to the width
ScrollNumber Key Features
ScrollNumber Examples and Code Snippets
Community Discussions
Trending Discussions on ScrollNumber
QUESTION
I want to build infinity scroll from scratch.Here is code:
...ANSWER
Answered 2020-Dec-10 at 06:26inside the first useEffect
the dependency array is empty, which mean if you use any state variable inside it, the value of it not gonna change inside the effect
As I see you are using scrollNumber
to set the next state of setScrollNumber(scrollNumber + 1);
and value of scrollNumber
is not gonna change inside effect because of the dependency array is empty
So you have to tell the react to reinitialize the effect if you have any changes to the scrollNumber
so put scrollNumber
as an dependency will work for you
QUESTION
I want to be able to update my state as the user scrolls.
This is an approximation of what I have:
...ANSWER
Answered 2020-Nov-02 at 06:03The first problem is you are adding onScroll event to a div. It will be called if you scroll inside the div. But in reality, you are scrolling in the window. Therefore you need to attach an event listener on window scroll. To do that you can use useEffect hook like this.
QUESTION
I'm using Selenium/python to automatically scroll down a social media website and scrape posts. I'm currently extracting all the text in one "hit" after scrolling a certain number of times (code below), but instead I want to extract just the newly-loaded text after each scroll.
For example, if the page initially contained the text "A, B, C", then after the first scroll it displayed "D, E, F", I'd want to store "A, B, C", then scroll, then store "D, E, F" etc.
The specific items I'm wanting to extract are the dates of the posts and the message text, which can be obtained with the css selectors '.message-date'
and '.message-body'
, respectively (e.g., dates = driver.find_elements_by_css_selector('.message-date')
).
Can anyone advise on how to extract just the newly-loaded text after each scroll?
Here's my current code (which extracts all the dates/messages after I finish scrolling):
...ANSWER
Answered 2017-Aug-19 at 11:50Just do sleep after scrolling , be sure to work with selenium as like as real machine its necessary to wait till page load new content . I recommend you to do it with wait function in selenium or just easily add sleep function in your code to load the contents .
QUESTION
We're trying to make a pseudo scrolling effect on the homepage of our website but we're running into an issue with the scrolling mechanics touchpads and other digital scrolling mice have (which have a continuing scrolling effect with an easing out timing function).
We want to be able to listen to the direction of the scroll (currently using .on('scroll mousewheel') ) to determine the direction of the scroll (therefore deciding if we should show the previous or next slide) but not listen to every scroll event as this would lead to a series of flashing, seizure-inducing flurry of changes (these being hidden/shown using javascript depending on the scroll value).
We currently have a setTimeout() function that waits 50ms per scroll event before executing the code that actually makes the changes, but this can lead to a longer wait than expected on the aforementioned devices due to their ability to continuously scroll on a swipe, thus continuously refreshing the 50ms wait. This also doesn't take into consideration the easing out scrolling that digital scroll wheels have that allow it to still fire more than once towards the end of the scroll.
So, in essence, we seem to be looking for one of the following:
- Listening to the direction of the mousewheel direction without firing the function every instance of that scroll.
- Another workaround we haven't thought about yet.
Here's the current section of javascript related to this:
...ANSWER
Answered 2018-Jul-18 at 16:12Instead of delaying your scroll function until the user is done scrolling, you can scroll right away and just ignore further scroll events until the 50ms timer completes. See the updated code below
QUESTION
Here is my code:
...ANSWER
Answered 2017-Jan-10 at 18:08The issue is here, you're re-defining a local version of current
in this chunk of code. Remove var
(should just be current = $('.smallicon').index(this);
), and that should fix your problem.
$('.smallicon').click(function () {
var current = $('.smallicon').index(this);
alert(current);
var theImage = $(this).attr("id");
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install ScrollNumber
You can use ScrollNumber like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the ScrollNumber component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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