There are a few books on economics that will help the student understand the basic concepts. Economics is the core subject to understand the world around us. It deals with society, politics, economics, and the other important issues that are outside the scope of our study in our class. Economics is the study of the production of goods and services using resources. This course teaches economics through mathematical models of markets, labor, firms, and investments.
Sk agarwal economics class 12 pdf
Agarwal Economics Class 12 – PDF
Economics
Category:Economics books
Category:20th-century books
Category:21st-century booksQ:
Vertical Swipe to change the page of a UICollectionView
I have a UICollectionView with page control.
To change the page I’m using:
[collectionView setContentOffset:CGPointMake([self numberOfItemsInSection:0] – offset, 0) animated:NO];
If I swipe to a new page, it scrolls to the left and I need to do it in the opposite way, what can I do to realize it?
Thanks!
A:
Swipe in the opposite direction to change the collection view from one page to the previous one.
The flow of the interaction works like:
The user swipes from the left side
You compare the current view controller frame to the beginning of the last page’s frame and set the offset if necessary.
For the same reason as in point #1, the user needs to go from the right side to the left side when he wants to go back.
Code:
// x is the point where the user has touched the screen
CGFloat numberOfItems = 10;
– (void)viewDidAppear:(BOOL)animated
{
[super viewDidAppear:animated];
CGRect rect = CGRectMake(0, 0, self.collectionView.frame.size.width, self.collectionView.frame.size.height);
if (rect.origin.x == 0) {
// the first page is at the left side of the screen
} else if (rect.origin.x == self.collectionView.frame.size.width – numberOfItems) { https://www.lynnlevinephotography.com/wp-content/uploads/2022/06/pepyalee.pdf
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