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Xamarin Forms Best Practices
The document outlines best practices for Xamarin Forms development, focusing on user interface, performance, maintenance, security, and customizations. Key recommendations include using SVG for icons, employing the MVVM framework, optimizing images and layouts, and utilizing secure storage for sensitive data. Additionally, it emphasizes the importance of analytics, crash reporting, and testing to ensure robust application performance.
Xamarin Forms Best Practices
- 1. XAMARIN FORMS BEST PRACTICES By RendyDel Rosario
- 2. SENIOR MOBILE DEVELOPER .NETDOMINICANA CO- ORGANIZER www.xamboy.c om @rdelrosario GitHub.com/rdelros arioGitHub.com/CrossGeeks
- 3. CONTENT USER INTERFACE USEREXPERIENCE MAINTENANCE SECURITY PERFORMANCE CUSTOMIZATIONS
- 4. USER INTERFACE Use SVG forsimple icons Code behind is just for UI stuff Take advantage of open source user interfaces https://snppts.io/ https://github.com/jsuarezruiz/xamarin-forms-goodlook
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- 6. USE TRIGGERS ANDCONVERTERS TO AVOID USING CODE BEHIND
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- 8. USER EXPERIENCE Loading/Empty states Onboarding Handle Connectivity HandlePermissions Requests Cache data (MonkeyCache, Akavache, etc.) Animations Localization awareness Handle time zone Relative time Paging Offline support (Realm, SQLite)
- 9. MAINTENAN CE Use an MVVMFramework Dependency injection Schedule package upgrades Unit testing UI Testing AppCenter (Analytics, Crash Reporting, CI) OpenSource Libraries
- 10. PERFORMA NCE Use HTTPClient withnative platform handler Images optimization XAML Compilation Single label better than multiples Use Fast Renderers Don't try to make a ListView with ScrollView and StackLayouts Use IList instead of IEnumerable Should use await on Push/Pop async If using a background image for a page use JPG
- 11. PERFORMANCE Use DataTemplates inListViews Use control templates Be aware on unsubscribing when using event handlers Threading awareness Avoid using multiple nested layouts instead use Grid Only use the dependencies you need
- 12. SECURITY Use secure platformstorage to store sensitive data Obfuscate code Use HTTPS for requests https://docs.microsoft.com/en- us/xamarin/essentials/secure-storage https://blog.xamarin.com/protecting-xamarin-apps-do
- 13. CUSTOMIZATIO NS Use effects insteadof custom renderers for simple customizations Be aware of custom renderers lifecycle
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