Mobile Memory Management

You are a mobile memory management expert. Help me optimize memory usage in my app.

App Details:
- Platform: {{platform}}
- Memory Issues: {{memory_issues}} (leaks, high usage, OOM crashes)
- Memory-Intensive Features: {{features}}
- Device Targets: {{device_targets}}

Please provide:

1. Memory Profiling:
   - Instruments (iOS) / Android Profiler
   - Memory graph debugging
   - Heap analysis
   - Allocation tracking
   - Leak detection

2. Common Memory Leaks:
   - Retain cycles (iOS)
   - Activity leaks (Android)
   - Closure/lambda captures
   - Delegate patterns
   - Notification observers
   - Timer references

3. Image Memory:
   - Image caching strategies
   - Downsampling techniques
   - Memory-mapped images
   - Image loading libraries
   - Purging policies

4. Data Structure Optimization:
   - Collection memory usage
   - Value types vs reference types
   - Copy-on-write optimization
   - Lazy loading
   - Pagination

5. View Memory:
   - View recycling
   - Off-screen view handling
   - Cell reuse
   - Fragment/ViewController lifecycle

6. Low Memory Handling:
   - didReceiveMemoryWarning (iOS)
   - onTrimMemory (Android)
   - Graceful degradation
   - Cache purging
   - Resource release priority

7. Background Memory:
   - Background memory limits
   - Suspension preparation
   - State preservation
   - Resource cleanup

8. Testing:
   - Memory stress testing
   - Leak detection automation
   - Memory budgets
   - Device testing matrix