On Windows, the app icon appears in the app list in the start menu, the taskbar, the app's tile, and in the Microsoft Store. On Android, the app icon appears as a launcher icon and throughout the system, such as on the action bar, notifications, and in the Google Play Store. For example, on iOS the app icon appears on the Home screen and throughout the system, such as in Settings, notifications, and search results, and in the App Store. # Remarks: Android requires all resource file names are in lower case.Every app has a logo icon that represents it, and that icon typically appears in multiple places. # For convenience of developing using Xamarin, follow such convension: # Rename the svg file to something like send_36.svg if you want 36pt. svgForAndroid.ps1 -svgFile "my.svg" -width 48 -forAppIcon $true # and this is excluding 36x36 ldpi # The script file and the svg file should be in the same folder, # and the generated files will be in a sub-folder. ![]() svgForAndroid.ps1 "my.svg" 36 # For App Launcher Icons, # ref: #. svgForAndroid.ps1 -svgFile "my.svg" -width 36 #. # Create icons for drawable and mipmap # Examples: #. The following script generates icons for buttons and the app icon. The following PowerShell scripts utilize the command line ability of Inkscape, and the drafting of the scripts had referred to the icon design guidelines above. Adjust Existing Icons to Conform to Design Guidelines from Google and Appleįrom time to time, you may find some candidates not so conforming to specific design guidelines and want to adjust the size and the margin. ![]() Nevertheless, Inscape provides rich features for you to draw complex icons or images from scratch. The Visibility icon from Google Material Icons Composing Simple Iconsįor example, rather than drawing everything from scratch, I used existing SVG files to compose the app launch icon. " Inkscape is a Free and open source vector graphics editor for GNU/Linux, Windows and macOS."Īs a software developer, I do casual and simple graphic design occasionally and I don't intend to buy an all-in-one, powerful and complex graphic design tool typically used by professional graphic designer. Google Material Icons site has provided downloads of image sets for Android and iOS in ZIPs.Make sure the usage of the free icons conform to the license such as SIL Open Font License (OFL) that Google Material Icons library use.There are many more out there, free or commercial. Overall, those two tools are fairly decent, however, if you feel the troubles that I had felt, you may try the approach introduced in this article. And overall, such process is not friendly to Continuous Integration, thus I had written a series of PowerShell scripts to generate icon sets. With the online tools: Upload SVG file -> Configuration -> Generate -> Wait -> Download zip -> Unzip to the project folders. ![]() With the VS extension, too many user interactions troubled me.However, the process of using these VS extension or online tools is rather troublesome: Īndroid Icon Resources in an Android library project of Microsoft Visual Studio ![]() And I had been using "Material icons generator" created by Nika Nikabadze for Visual Sutido, and. There are some freely available SVG icons and I used some online transformation tools to produce icon sets needed. BackgroundĪ few years ago, I developed Visual Acuity Charts which tests distant visual acuity for checking early sign of myopia. However, if you prefer not to use such interactive way for the sake of Continuous Integration, or you are using Xamarin, please read on. And Android Studio includes Image Asset Studio that generates app icons from material icons and custom images. XCode 14+ supports single-size app icons. While the primary developing tool that I had used was Xamarin, the principles and the tools mentioned here should be applicable even if you have been using other tools like XCode or Android Studio. This article is to share my experience in generating icons of various sizes from SVG files when developing native mobile apps. While there are quite a few icon libraries around, free or commercial, sometimes, you may want to generate icon sets from an existing image file, ideally, a SVG file. This article is for developers who already have some experience in developing Android apps and iOS apps using Xamarin.
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