ICT-App Dev Specialist FA case studies
ICT-App Dev Specialist FA · Put your knowledge to work in context.
The ICDL App Development Specialist credential is part of the ICDL family of digital-skills certifications, which ICDL Foundation describes as a global social enterprise committed to raising standards of digital competence in the workforce, education and society, with ICDL certification available in more than 100 countries through a network of more than 20,000 testing centres. However, the ICDL page dedicated to App Development could not be retrieved - the only content returned from the ICDL site for that module was a page-not-found notice and cookie-consent text. The ICT-App Dev Specialist FA case studies are 5 cases and about 4,099 words.
1Field Inspection App: Conflicting Offline Edits
A tablet app supports 45 field technicians who inspect equipment at sites with intermittent connectivity. Each inspection record has 30 fields and up to 6 photos.
867 words, about 4 min2Versioning an API with MDM-Pinned Mobile Clients
A B2B inventory app has 12,000 monthly active users across three production versions. Telemetry shows v1 at 18%, v2 at 55%, and v3 at 27%.
823 words, about 4 min3Cold Start and ANR on a Mid-Tier Android Device
An Android app has a p90 cold start of 4.8 seconds on a four-year-old mid-tier device, against a product target of 2.0 seconds. In Application.onCreate the app sequentially initialises analytics (380 ms), crash reporting (210 ms), an image loader (250 ms), an ad SDK (600 ms), and opens a Room database (300 ms).
797 words, about 4 min4Leaked Third-Party API Key in a Consumer App
An Android consumer app calls a third-party geocoding provider. The API key is stored in BuildConfig, compiled into the APK, and sent as a query parameter on every request.
829 words, about 4 min5Staged Rollout Crash Spike After Adding Background Sync
Version 4.2 of an Android app was staged at 5% for two days, then increased to 20%. Within six hours at 20%, crash-free sessions fell from 99.6% to 97.9%.
783 words, about 4 min