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This time we are going to take a look on how to create a form with text input using UITableView. Displaying static text in UITableView is easy but for enabling text input in UITableView and propagating the change back to a model object requires a couple of steps. Introduction In this example project we are …
Storing data persistently on iOS is something what is needed quite often. In this post, we are going to look into how to build a persistent data store and how to store image data. Initialising the persistent data store Persistent data store is an object managing a folder on disk. It allows writing and reading …
In the beginning of this year I blogged about how to generate random float and integers. Meanwhile, SE-0202 "Random Unification" got implemented in Swift 4.2 making my additions unnecessary. Let's take a look how to use new API for getting random numbers. Random integers, floats and booleans In my own implementation I was extending range …
SKWarpGeometryGrid is a grid based deformation what can be applied to nodes conforming to SKWarpable protocol. It defines normalised vertex positions for source and destination where source positions are un-warped geometry and destination warped geometry. Therefore, if destination vertex positions are not equal to source, the node will look deformed. Vertex positions Here is a …
Continue reading "Deforming sprites with SKWarpGeometryGrid in SpriteKit"
This time we will take a look on how to take photos and browse them on iOS. Using UIImagePickerController Creating user interface for taking photos consists of presenting an instance of UIImagePickerController. Controller needs a delegate and source type what defines if we are going to take a photo or pick a photo from the …
