Introduction to how force UITextField to accept numeric values in ios: Validations are important in IOS app development that includes user input. Sometimes we, need only numeric values to be entered into the UITextField. In this post we will look at the code that helps us in achieving our requirement to allow only numbers in …
Allow only numbers in the UITextField – IOS Tutorial Read More »
In this we are going to learn, how can we create a multi page PDF file of UIScrollView or UIWebView programmatically in IOS. Below is the code that will help you in creating multi page PDF from UIScrollView. NSInteger pageHeight = 700; // Standard page height – adjust as …
Programmatically add custom event in the iPhone calendar One can use EventKit.framework to programmatically add custom event and add alarm to created events in iPhone calendarfrom within their apps. In this post, we will learn to create event in iPhone calendar programmatically from our IOS app. First add EventKit.framework to your project as shown in …
Fraud, happened to so many app developers where in-app purchase never occurs with server and request was redirected to dummy server so that user can unlock in-app for free. Mostly happened in jailbroken devices that let app developer frustrated as in-app is the way to get some bucks in his/her pocket as app revenue. …
Introduction to how to create csv file in iPhone programmatically Creating CSV (Comma Separated Values) or Excel file in IOS SDK is very easy. In this post, I am sharing a demo code for creating CSV (Comma Separated Values) or Excel file in IOS programmatically. Tutorial is updated to swift: Click here for swift version Jump …
Recently, I came across a situation where I have to force a current selected tab to remain selected in UITabBarController, when user select or tap a different tab. So i though worthy of sharing the code with all the community. To make this happen, one can use UITabBarController delegate – (BOOL)tabBarController:(UITabBarController *)tabBarController shouldSelectViewController:(UIViewController *)viewController …
Tags: #Number of Days #Between Two dates #IOS Below is the code snippets that allows to get the number of days between one particular date to another particular date. + (NSInteger)daysBetweenDate:(NSDate*)fromDateTime andDate:(NSDate*)toDateTime { NSDate *fromDate; NSDate *toDate; NSCalendar *calendar = [NSCalendar currentCalendar]; [calendar rangeOfUnit:NSDayCalendarUnit startDate:&fromDate …
In this post we will see, how to fix scrolling issues for UIScrollView with autolayout. Follow below steps to learn how can we fix scrolling issue with UIScrollView while using auto layout, to design our user interface in storyboard that contains UIScrollView with autolayout. Step 1: Drag UIScrollView to the view, add constraints to …
There are so many ways to create PDF in IOS, but most of them which are easy create a low resolution PDF’s and one which creates high resolution PDF’s are very tough to handle for a guy like me. In this post, i am going to create PDF’s using drawInRect method. I know …
Programmatically create a high resolution PDF file Read More »
Printing from IOS device can only be done using Air-printer. There is very simple code provide by Apple Inc., to let developers initiate direct print command from their apps. In this post we will learn about printing documents from IOS app programmatically. We can use UIPrintInteractionController class for printing documents programmatically from IOS app. Below …
