Unfortunately, stringByAddingPercentEscapesUsingEncoding doesn’t always work 100%. It encodes non-URL characters but leaves the reserved characters (like slash / and ampersand &) alone. Apparently this is a bug that Apple is aware of, but since they have not fixed it yet, I have been using this category to url-encode a string: @implementation NSString (NSString_Extended) – (NSString … Read more
EITHER try this library: http://github.com/erica/uidevice-extension/ (by Erica Sadun). (The library is 7-8 years old, and hence is obsolete) (Sample Code): [[UIDevice currentDevice] platformType] // ex: UIDevice4GiPhone [[UIDevice currentDevice] platformString] // ex: @”iPhone 4G” OR You can use this method: You can get the device model number using uname from sys/utsname.h. For example: Objective-C #import <sys/utsname.h> … Read more
On the iPhone there is no concept of quitting an app. The only action that should cause an app to quit is touching the Home button on the phone, and that’s not something developers have access to. According to Apple, your app should not terminate on its own. Since the user did not hit the … Read more
http://cocoacontrols.com is a good starting point for that.
Usually this is done by having a class method on your cell class that will figure out the necessary height for a given piece of content. You then call this class method in your heightForRowAtIndexPath tableview delegate method, passing in the content to the class method that will be used for that index path. Like … Read more
You could implement UITextFieldDelegate and your delegate will be called when the user enter something in your text field. First set the delegate to self txtField.delegate = self Use this if you want to change the other fields when the user is done editiing your master field func textFieldDidEndEditing(_ textField: UITextField, reason: UITextFieldDidEndEditingReason) { // … Read more
If you know objective c basic then no problem occur in develop that kind of App.Read some basic of that language and you easily develop an App. Read about object,array,pointers,memory management and syntax of that topics is must for develop an iOS App.
I would use a UICollectionView as it is more flexible and allows you to customise almost every part of it and also how the cells are arranged etc. To create the timetable/calendar layout you will need to create a custom FlowLayout. There are libraries that do this exactly for you. This one, with some tweaking … Read more
You are looking for Map Overlay MKOverlayView. Check these tutorials: Overlay View Image Overlay Creating overlay Creating a MKOverlayView Create a subclass of MKOverlayView like: .h #import #import @interface MapOverlayView : MKOverlayView { } @end .m #import “MapOverlayView.h” @implementation MapOverlayView – (void)drawMapRect:(MKMapRect)mapRect zoomScale:(MKZoomScale)zoomScale inContext:(CGContextRef)ctx { UIImage *image = [UIImage imageNamed:@”yourImage.png”]; CGImageRef imageReference = image.CGImage; MKMapRect … Read more