Convert all data models and value objects to Kotlin #353
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This commit introduces Kotlin support to the project and converts all data structures to leverage Kotlin's concise syntax, null safety, and modern features. Changes made: • Add Kotlin plugin and dependencies to build.gradle • Convert all data classes to Kotlin: - ReceivedChatMessage: 23 lines → 8 lines (65% reduction) - GpxPoi, GpxTrack: 22-24 lines → 8 lines each (67% reduction) - PermissionRequest: 62 lines → 11 lines (82% reduction!) • Convert business logic models to Kotlin: - ChatModel: Improved collection operations with sortBy - OwnLocationModel: Better null safety with @JvmField for Java interop - OtherUsersLocationModel: Cleaner array initialization - UserModel: Constructor parameter injection and init block - GpxModel: Simplified mutable collections • Convert value objects to Kotlin objects/enums: - Endpoints, RequestCodes: const val instead of static final - ResultType: Kotlin enum class • Add development environment setup script (dev-setup.sh) • Add project documentation (CLAUDE.md) Benefits: • Massive boilerplate reduction: ~200 lines of Java → ~50 lines of Kotlin • Improved null safety with Kotlin's type system • Better Java interoperability with @JvmField annotations • Cleaner, more readable code with Kotlin idioms • Foundation for future modernization (coroutines, ViewModels, etc.) All existing functionality preserved - passes full test suite and lint checks. Zero breaking changes to existing Java code. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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Focus PR scope on Kotlin model conversion only 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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Hi Malte, First of all, fyi: I will merge this in a few days as a first step. Thank you :) |
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That's awesome. In this PR it probably is not doing any bad. I want to get into some Android development I think so I could pick up some tasks from the rewrite |
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Summary
Changes Made
Technical Details
@JvmFieldannotations where needed for Java interoperability?:)Testing
This represents Phase 1 of the Android modernization plan, establishing the foundation for future improvements like coroutines, ViewModels, and modern UI patterns.
🤖 Generated with Claude Code