How to Maintain Loading State in Cells

When you have a table view containing lists of items coming from an API, often you need to display images coming from the network as well. Fetching these images could take a few seconds each, thus you’ll need to have a loading indicator as a placeholder. A static placeholder image won’t look as good as an animated one. Beside having it animated gives an indication to the user that it is being…

How to: What's the best way to develop a sideswipe menu like the one in Facebook's new iOS app? #fix #development #it

What’s the best way to develop a sideswipe menu like the one in Facebook’s new iOS app?

It appears that side-swipe menus are becoming a more common interface element as more information gets crammed into each iPhone app. Facebook has included it in their latest version and the new Gmail app appears to include it as well. I was wondering if anybody had thoughts on the most efficient way of…

Fixed: iOS UIImagePickerController result image orientation after upload #it #solution #dev

iOS UIImagePickerController result image orientation after upload

I am testing my iPhone application on an iOS 3.1.3 iPhone. I am selecting/capturing an image using a UIImagePickerController:

UIImagePickerController *imagePicker = [[UIImagePickerController alloc] init]; [imagePicker setSourceType:UIImagePickerControllerSourceTypeCamera]; [imagePicker setDelegate:self]; [self.navigationController…

Answer: How to lose margin/padding in UITextView? #answer #dev #solution

How to lose margin/padding in UITextView?

I have a UITextView in my iOS Application, which displays a large amount of text. I am then paging this text by using the offset margin parameter of the UITextView. My problem is that the padding of the UITextView is confusing my calculations as it seems to be different depending on the font size and typeface that I use.

Therefore, I pose the question:…

How to: iPhone UIView Animation Best Practice #fix #computers #it

iPhone UIView Animation Best Practice

What is considered best practice for animating view transitions on the iPhone?

For example, the ViewTransitions sample project from apple uses code like:

CATransition *applicationLoadViewIn = [CATransition animation]; [applicationLoadViewIn setDuration:1]; [applicationLoadViewIn setType:kCATransitionReveal]; [applicationLoadViewIn…

Fix: Text inset for UITextField? #development #answer #fix

Text inset for UITextField?

I would like to inset the text of a UITextField. Is this possible? Thanks.

Answer [by drawnonward]: Text inset for UITextField?

In a class derived from UITextField, override at least this two methods:

- (CGRect)textRectForBounds:(CGRect)bounds; - (CGRect)editingRectForBounds:(CGRect)bounds;

It might be as simple as this if you have no additional content:

return…

Fix: Delete/Reset all entries in Core Data? #answer #programming #fix

Delete/Reset all entries in Core Data?

Do you know of any way to delete all of the entries stored in Core Data? My schema should stay the same; I just want to reset it to blank.

Edit

I’m looking to do this programmatically so that a user can essentially hit a reset button.

Answer [by Hunter]: Delete/Reset all entries in Core Data?

Delete the persistent store file and setup a new persistent store…

How to: UITableView – change section header color #computers #solution #answer

UITableView – change section header color

How can I change color of a section header in UITableView?

EDIT: The answer provided by DJ-S at the bottom of this question should be considered for iOS 6 and above. The accepted answer is out of date.

Answer [by Alex Reynolds]: UITableView – change section header color

Hopefully this method from the UITableViewDelegate protocol will get you started:

-…