1 February 2015
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When building a DPS app, you need a variety of images used for app icons and launch screens for iOS, Android, and Windows devices. Making all the graphics for iOS can be a complicated combination of sizes, whereas Android apps require only a single image, and Windows apps require three images. The DPS Asset Generator.psd file and the Generator feature in Adobe Photoshop CC help to coordinate and automate the production of nearly 30 files used when building apps for all three DPS platforms.
Adobe Photoshop CC introduced the Generator feature, which automates the creation of web graphics files based on layer names. The DPS Asset Generator.psd file takes advantage of Generator to create the image files when building DPS apps. Generator will create individual files and a folder structure, which organizes the files for the three platforms.
If this option is selected, Photoshop will generate files based on layer and group names defined in the Layers panel. Photoshop will create a folder based on the file name, in this case called “DPS Asset Generator-assets” in the same location where the DPS_Asset_Generator.psd file is saved. The asset file type, qualities, dimensions, names, and folder structure are controlled by layer and layer group names in the Photoshop file.
The DPS Asset Generator will create image files for both Retina and non-Retina (1x, 2x, and 3x) iOS devices, Android, and Windows apps. Adobe Generator is available in Adobe Photoshop CC. Some layers in the file generate more than one graphics file, and files may be scaled. The generated files are organized into a folder structure with assets for each platform in separate folders.
For more information about the syntax and use of Generator, please see: http://blogs.adobe.com/photoshopdotcom/2013/09/introducing-adobe-generator-for-photoshop-cc.html or do a web search for Photoshop generator.
The DPS Asset Generator file uses Photoshop Smart Objects extensively. All the icons are duplicates of a single Smart Object. So, if you edit one icon, all the other icons will be automatically updated. Separate, independent Smart Objects are used for most of the Launch Images.
A Smart Object may have layers and it may also contain additional Smart Objects or vector Smart Objects.
Layers with a green label are Smart Objects that you should customize. You will find green layers in the Layers panel and in the Launch Images folder in the Layers panel. When you edit content, the assets will be re-generated.
When you are in the Icons and Splash Screens pane of DPS App Builder for iOS, you can manually load each asset by clicking the folder icon for each asset. Or you can drag and drop all the icons and splash screens from MacOS X to the DPS App Builder; select all files in the iOS folder except the nav folder and its contents, then drag and drop them onto the Icons and Splash Screens pane. DPS App Builder will load the assets into the appropriate entry field based on the asset dimension. Repeat this drag-and-drop process for the HD iPad. If your app is also for iPhone, repeat this process to load SD and HD assets for iPhone.
If you’re building Android or Windows applications, use the generated assets in the corresponding folder when you build or submit the app. And if you’re using Xcode, you may choose to rename the generated files.
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