Architecture

API Integration Plan

CrimeReports.com API

- Statistics by location

- Historical patterns

- Crime categorization

Google Maps API

- Geocoding

- Directions

- Visualization

Custom Backend API

- Authentication

- Data processing

- Caching

Integration Challenges

Rate limits, Data formats, API availability, Security

AI Algorithm Development

Data Collection

- Historical weather data

- Crime statistics

- Preprocessing & Cleaning

ML Models

- Random Forest

- Neural Networks

- Gradient Boosting

Safety Scoring System

- Weighting mechanisms

- Location factors

- User adjustments

Recommendation Engine

- Route optimization

- Real-time adaptation

- Alternative evaluation

Continuous Evaluation & Refinement

Cross-validation, Feedback loops, A/B testing, Retraining

Mobile Frontend Development

React Native Framework

- Cross-platform

- Component design

- Accessibility features

State Management

- Redux

- Context API

- Optimistic updates

Map Implementation

- Safety overlays

- Interactive elements

- Gesture control

Navigation Flow

- Tab-based navigation

- Stack navigation

- Deep linking & guided workflows

Testing

- Unit & integration tests

- End-to-end tests

- Beta testing with real users

Safe Navigation App