https://vikash.run/blog Mobile engineering professional specializing in Flutter and Android. Production fixes, architecture, and real-world dev war stories. en-us Sun, 19 Jul 2026 10:23:58 GMT https://vikash.run/blog/android-foreground-service-killed-on-android-12-location-tracking-fix https://vikash.run/blog/android-foreground-service-killed-on-android-12-location-tracking-fix Our delivery rider location tracking stopped after 5 minutes on Android 12+. Foreground service type declaration was the missing piece. Sun, 10 May 2026 00:00:00 GMT Vikash Kumar mobile android flutter foreground-service location android-12 https://vikash.run/blog/fcm-token-not-refreshing-after-app-reinstall-flutter-firebase-fix https://vikash.run/blog/fcm-token-not-refreshing-after-app-reinstall-flutter-firebase-fix Push notifications silently stopped after users reinstalled the app. Here is how we fixed stale FCM token registration in production. Thu, 02 Apr 2026 00:00:00 GMT Vikash Kumar mobile flutter firebase fcm push-notifications android https://vikash.run/blog/flutter-payment-webview-crashes-on-android-14-production-fix https://vikash.run/blog/flutter-payment-webview-crashes-on-android-14-production-fix Real production fix for payment WebView white-screen failures after bumping targetSdk to 34 on Android 14. Sun, 15 Mar 2026 00:00:00 GMT Vikash Kumar mobile flutter android webview payments android-14