Urik Keyboard

Privacy-focused Android keyboard with swipe typing, custom layouts, and password manager support. No tracking, 100% on-device, and fully open source.

## Features

**Input**
- Swipe typing with geometric path matching and vertex detection
- One-handed and split modes with coordinate transformation
- Adaptive layout for tablets and foldables
- Long-press for character variations and custom key mapping
- Long-press comma key to switch keyboards (IME picker)
- Spacebar swipe for cursor control
- Backspace swipe to delete previous word
- Optional number row
- QWERTZ, AZERTY, Dvorak, Colemak, Workman, Bds and Hcesar layouts
- Hardware keyboard detection

**Intelligence**
- Local bigram model for next-word prediction
- On-device spell checking using URIK (Ultra-compressed Ranked Input Korpus) — a custom binary dictionary format with Levenshtein automaton traversal
- Autocorrect with configurable pause-on-misspell; skips URLs, emails, and punctuation
- Word learning with encrypted SQLCipher database
- User-specific word frequency tracking
- 19 supported languages with dedicated language toggle button
- Merged dictionaries mode for multilingual typing sessions
- Emoji search with keyword support

**Integration**
- Inline autofill support for password managers (Android 11+)
- Clipboard history with encrypted storage

**Customization**
- 15+ built-in themes with favorites and Material You dynamic theming (Android 12+)
- Custom long-press symbol and key assignments
- Haptic feedback strength slider
- Auto-capitalization toggle
- Configurable key size, key label size, spacebar size, and cursor speed
- Manage learned words: browse, search, and delete entries
- WCAG AA contrast and TalkBack support

**Privacy**
- No telemetry, analytics, or network permissions
- Local on-device processing
- Encrypted local storage for user data (AES-256 + Android Keystore)
- Biometric authentication for accessing learned words
- Dictionary export and import for backup or migration
- Bigram predictions and word frequencies remain local-only (not exported)

## Privacy

All processing happens on-device. No data leaves your phone. User dictionary and learned words are stored in an encrypted local database.

We answer to our users, not investors.