Case Study
Video Streaming Services
Android App BundlesJetpack ComposePyTorchRobolectricTensorFlow
The fragmentation of Android posed significant challenges, as there were more than 24,000 different smartphone models with various hardware, screen dimensions, and OS versions (Android 8.0 to 14).
These issues undermined revenue and market share through a 15% user attrition rate and delayed new releases.
To address the primary issues caused by Android fragmentation, Lucent Innovation developed a systematic, AI-based solution that provides performance and compatibility for 95% of users while making testing easier.
To solve the issue of recurrent app crashes on low-end devices, we initially applied a machine learning model using TensorFlow to classify and cluster devices based on user behavior patterns, OS versions (Android 8.0 through 14), and hardware configurations (e.g., CPU and RAM). Through the identification of representative devices that captured 95% of the user base, this clustering ensured compatibility and reduced the scope of testing.
Inconsistent layouts on non-standard resolutions were the second issue. To provide a uniform user interface across various device profiles, we utilized Jetpack Compose to design responsive, adaptive layouts that automatically adjust according to different screen resolutions and sizes.
The next challenge was that manual device testing was a slow and limited process. To rapidly test UI rendering and behavior across many combinations of hardware and OS, we employed AI-driven Robolectric to run thousands of virtual device configurations in simulation.
Unbalanced app performance was the second issue, particularly on low-end devices. We utilized PyTorch models to predict resource demands (CPU and memory) per device category and included Android App Bundles to reduce APK files by 30%, optimizing low-resource device performance.
Verification of real devices was the next step. Employing Espresso and cloud device farms, we built an automated test bed to validate app performance in real usage and ensure reliability across a portfolio of devices.
Gradual testing processes delayed feature releases, which was the second issue. We implemented CI/CD pipelines with Jenkins and GitHub Actions, which enabled rapid, reliable feature deployment and ongoing testing on device clusters. These tools are essential for teams that frequently hire Android developers and aim for continuous delivery with minimal risk.
Finally, we have incorporated Firebase Analytics and telemetry measures to monitor user behavior, crash data, and app performance in real time, meeting the demands for constant enhancements. Stability and user experience were enhanced through iterative enhancements instigated through feedback cycled into the AI model.
Device Analysis and Clustering
TensorFlow
Responsive UI Development
Jetpack Compose
Virtual Device Testing
Robolectric
Performance Optimization
PyTorch and Android App Bundles
Real-Device Validation
Espresso
Continuous Integration and Delivery
Jenkins and GitHub Actions
Performance Monitoring and Iteration
Firebase Analytics and Telemetry Systems
Crash Reduction: 70% fewer mid- and low-end device crashes.
UI Consistency: 98% device profile compatibility was achieved.
Accelerated Releases: Shortening testing time by 60%. Biweekly feature releases are now a reality.
User Retention: Added 500,000 monthly active users while dropping churn to 8%.
Cost Savings: Optimal clustering reduced the cost of testing by 25%.
A market-leading 4.8-star rating on the Play Store reflects a 40% improvement in customer satisfaction.
"Lucent Innovation’s AI-driven solution transformed our app’s performance across Android’s complex ecosystem. Their innovative approach not only resolved our fragmentation challenges but also accelerated our development cycle, delighting our users and boosting our market position."
Lila Nguyen, Chief Product Officer
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