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zjs81
ea657a964a
- Replaced sqflite with shared_preferences for local key-value storage in README.md - Updated gradle.properties to include builtInKotlin and newDsl flags - Enhanced translation feature documentation in additional-features.md - Modified BLE protocol documentation to include new command and response codes in ble-protocol.md - Clarified channel management details in channels.md - Improved chat and messaging documentation, including message path viewing and translation options in chat-and-messaging.md - Updated contacts management details in contacts.md - Revised map and location documentation for inferred locations and user interface changes in map-and-location.md - Adjusted navigation flow in navigation.md to reflect changes in screen transitions - Updated notification system details in notifications.md - Enhanced repeater management documentation in repeater-management.md - Clarified scanner and connection process in scanner-and-connection.md - Reorganized settings documentation for better clarity and added new node and location settings in settings.md
73 lines
3.3 KiB
Markdown
73 lines
3.3 KiB
Markdown
# Navigation
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## App Flow
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The app follows this general flow:
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```
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Launch → Scanner Screen → [Connect via BLE/USB/TCP] → Channels Screen
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```
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After connecting, the three main screens (Contacts, Channels, Map) are accessible via a persistent bottom navigation bar called the **QuickSwitchBar**.
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## Quick Switch Bar
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The QuickSwitchBar is a Material 3 `NavigationBar` with a frosted-glass visual treatment (blur backdrop, transparent theme, rounded corners). It appears at the bottom of all three main screens.
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| Index | Icon | Label | Screen |
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|---|---|---|---|
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| 0 | People | Contacts | ContactsScreen |
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| 1 | Tag | Channels | ChannelsScreen |
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| 2 | Map | Map | MapScreen |
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Tapping a tab replaces the current screen with a subtle fade + slight horizontal nudge transition (220ms forward, 200ms reverse). The back button is suppressed on all three main screens — navigation between them is flat, not stacked. All icons use outline variants (`people_outline`, `tag`, `map_outlined`) following Material 3 conventions.
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## Disconnection
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- The disconnect button (available in the overflow menu of each main screen) shows a confirmation dialog before disconnecting
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- If the device disconnects unexpectedly, the app automatically navigates back to the Scanner screen (fires after the current frame completes via a post-frame callback)
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- This auto-navigation behavior (`DisconnectNavigationMixin`) is shared across all main screens
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## Theme and Locale
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- **Theme mode** is user-configurable in App Settings (System / Light / Dark) — not locked to system
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- **Language** can be overridden to one of 18 supported languages, or follow the system locale
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- On web, if a non-Chromium browser is detected, the app shows a `ChromeRequiredScreen` instead of the Scanner (Web Bluetooth requires Chromium)
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## Full Navigation Graph
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```
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ScannerScreen (root, always on stack)
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├─ [BLE connect] → push → ChannelsScreen
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├─ [TCP icon button] → push → TcpScreen
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│ └─ [TCP connected] → pushReplacement → ChannelsScreen
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└─ [USB icon button] → push → UsbScreen
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└─ [USB connected] → pushReplacement → ChannelsScreen
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ContactsScreen (selected=0)
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├─ [quick-switch 1] → pushReplacement → ChannelsScreen
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├─ [quick-switch 2] → pushReplacement → MapScreen
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├─ [tap contact] → push → ChatScreen
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├─ [overflow > Settings] → push → SettingsScreen
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└─ [overflow > Discovered] → push → DiscoveryScreen
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ChannelsScreen (selected=1)
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├─ [quick-switch 0] → pushReplacement → ContactsScreen
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├─ [quick-switch 2] → pushReplacement → MapScreen
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├─ [tap channel] → push → ChannelChatScreen
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└─ [overflow > Settings] → push → SettingsScreen
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MapScreen (selected=2)
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├─ [quick-switch 0] → pushReplacement → ContactsScreen
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├─ [quick-switch 1] → pushReplacement → ChannelsScreen
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├─ [radar menu item] → enters in-map path trace mode (push → PathTraceMapScreen after path is built)
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├─ [terrain menu item] → push → LineOfSightMapScreen
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└─ [long-press] → share marker sheet
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Settings (push from any main screen)
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└─ [App Settings] → push → AppSettingsScreen
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└─ [Offline Map Cache] → push → MapCacheScreen
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```
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Any disconnection from any screen triggers `popUntil(route.isFirst)`, returning to the Scanner.
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