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Showing posts from September, 2016

Vector graphics in iOS

Image
In past, designers had to create multiple versions of the same asset (1x, 2x, 3x) to satisfy multiple screen sizes. Using vector assets can save you time because you only have to generate the asset once. You just need an.xcassets file in your project for storing your images. In there, you can declare image sets to be “Vectors”.
A vector file contains a lot of metadata of an asset that tells the system how to render it's contents, independent of the screen's resolution. This also means that whenever we get larger screen resolutions, Xcode will be able to scale up your images from your already existing vector PDF for you, giving you automatic support for future devices for free.

Steps:-
Select “New Image Set” in your XCAsset.Select the Attributes Inspector in Utilities panel.Under the types drop-down menu, select "Vector"Drag and drop your vector PDFUse the Xcode image catalog image set as you would with any other image. For instance, calling --imageNamed: in code, and pa…