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Mobile & games · #xamarin
When the Shell flyout never appears on launch, it’s usually a routing or attribute mis‑configuration. This guide walks through a step‑by‑step diagnostic checklist, shows how to verify routes, and gives concrete fixes for Xamarin.Forms on iOS and Android.
Learn how to use DependencyService in Xamarin.Forms to access native iOS and Android APIs from a shared project using the service locator pattern.
Learn how to safely shrink Xamarin.Android APKs using the Linker, with configuration steps, a worked example, and verification tips.
Centralize Xamarin.Forms navigation with Shell URI routing. Register routes in AppShell.xaml, bind query parameters with QueryProperty, and use GoToAsync for consistent deep linking and back stack control across Android and iOS.
Ensuring that a Xamarin.Android app's backup and restore cycle works correctly requires verifying that the backup archive captures all relevant app data, that the restore operation returns the device to the exact pre-backup state, and that no unintended side effects occur during the process. Validation must be feasible on both emulators and physical devices
Goal In a Xamarin.Forms application we want to capture critical resource‑resolution failures while avoiding noisy alerts for benign key collisions or missing keys that are intentionally overridden. Constraints & Uncertainty Runtime throws Unable to resolve resource: 'Key' when a key is missing in all ResourceDictionary entries. When multiple dictionaries
Problem Description Xamarin’s HttpClient relies on platform‑specific handlers (OkHttp on Android, CFNetwork on iOS). The default connection pool is opaque; no public API exposes its size or timeout. When many concurrent requests are issued, the pool may silently drop connections after a timeout, leading to intermittent failures. Unresolved Decision For proje
The primary objective is to guarantee that a Xamarin.Android application targeting API level 33 can successfully install and launch on Android 13 devices. The current build process preserves the legacy READ_EXTERNAL_STORAGE permission declared in the app’s manifest, yet Android 13 requires the new READ_MEDIA_IMAGES (and related media permissions) for media a
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