Overview
- Platform: Android Native
- Backend: .NET
- Purpose: Motor service booking application for Brand customers
- Goal: Optimize app size and download time, resolve frequent crashes, and enhance user experience
Problem Statement:
- App Size Bloat (75 MB): Due to unused resources, redundant assets, and high-resolution images.
- Slow Download Speed: Especially on low-bandwidth networks.
- Frequent Crashes: Related to memory overload and unhandled exceptions.
- Device Compatibility: Issues on older Android devices due to memory-heavy operations.
Tools & Technologies Used
- Crashlytics (Firebase): Crash monitoring and root cause analysis
- Glide: Efficient image rendering with caching
- APK Analyzer: Size breakdown and optimization
- ProGuard/R8: Code shrinking and obfuscation
- WebP Format: Image optimization
- Android App Bundle: Device-targeted APK distribution
Solutions Implemented:
1. App Size Optimization
- Removed unused layouts, drawables, and duplicate classes using Android Studio’s Lint and APK Analyzer.
- Converted large PNG/JPEG files to WebP.
- Resized and compressed images with TinyPNG and adaptive sizing.
- Enabled ProGuard/R8 for shrinking unused code and libraries.
2. Download Speed Enhancement
- Used Android App Bundle to serve device-specific APKs.
- Lazy-loaded non-essential assets post-installation.
3. Crash Monitoring and Resolution
- Integrated Firebase Crashlytics for real-time crash reporting.
- Performed RCA using stack traces and session metadata.
- Resolved:
- OutOfMemory crashes (image loading)
- Null pointer exceptions (on unsupported Android versions)
- Implemented Glide for efficient image loading with caching.
Results Achieved:
| Metric | Before | After | Improvement |
| App Size | 75 MB | 33.75 MB | 55% reduction |
| Average Download Time | ~28 seconds | ~10 seconds | 65% faster |
| Crash Rate | ~3.5% | < 0.7% | 80% reduction |
| User Ratings (Play Store) | 3.5 | 4.0 | +0.5 rating points |
| App Uninstall Rate (30 days) | 17% | 9% | 47% decrease |
Conclusion:
Nimap leveraged Android Native, .NET, Crashlytics, Glide, and ProGuard to optimize a motor service app for a 900+ employee, award-winning cloud technology company. By resolving crashes, reducing app size by 55%, and enhancing speed and compatibility, Nimap transformed the platform into a stable, high-performing solution for this Google Cloud Partner.
Transform your app experience with Nimap’s Android and .NET expertise. Faster, leaner, and crash-free—let’s optimize your app performance today!
