This is also a perfect opportunity to replace the blank part of your screen with useful placeholder content to reinforce why this screen exists, what the user can expect from the app or just something fun! Whatever your choice here, just don’t leave a screen empty. When you must go to the web for your first run content, provide some UI telling the user what you’re doing by using a loading indicator. Azure Mobile Apps and Realm with Azure are great options. If you application is already offline ready, and we recommend it is, then you’re all set to populate the content for your first screen instantly. Use state from a previous run or have content ready to go that is for the first run. We often want to load fresh data as soon as our application has launched, but this will only slow down the first screen from appearing and populating. This begins to explain what’s going on, so what’s in your control to impact startup? Here are my top five tips to tune your startup experience across iOS, Android, and UWP targets. When you start adding comparable implementations to a Xamarin.Android app, you start to see the difference in performance disappearing. Xamarin.Forms provides not only the ability to share UI across targets, but common application features such as AppLinks for deep linking, Navigation, MessagingCenter, and DependencyService, as well as several pieces needed for cross-platform UI alerts, action sheets, toolbars, status bars, etc. When you compare a blank Xamarin.Android app with a blank Xamarin.Forms app, you’ll notice the Xamarin.Android app loads quicker. When you say Startup…įirst, let’s define startup as everything that happens from the time the user hits your app icon to when the first usable screen appears ready for business. As you work to tune the speed and responsiveness of your Xamarin.Forms application, keep in mind that the same principles that improve the experience of your apps built with the Xamarin SDKs for iOS and Android will also improve those going cross-platform with Xamarin.Forms-and that experience begins at startup. The Xamarin SDKs for iOS and Android provide an extremely performant foundation upon which to build Xamarin.Forms cross-platform applications.
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