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iiEsaywebUIapp/docs/android-widget-setup.md

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# Android Widget Setup
The Android home screen widget is automatically included in the app build. This document describes the implementation details.
## Overview
The widget uses **Material 3 / Material You** design with dynamic colors on Android 12+ (API 31+).
## Widget Design (Native Android)
```
┌─────────────────────────────────────┐
│ ✨ Ask Conduit │ ← Primary color (dynamic)
│ │
├───────────┬───────────┬─────────────┤
│ 📷 │ 🖼️ │ 📋 │
│ Camera │ Photos │ Clipboard │ ← Secondary container
└───────────┴───────────┴─────────────┘
```
### Material You (Android 12+)
- **Primary button**: System accent color (`system_accent1_600`)
- **Secondary buttons**: Secondary container color (`system_accent2_100`)
- **Background**: Neutral surface color (`system_neutral1_10`)
- **Icons**: Tinted with `system_accent1_700`
### Fallback (Android 11 and below)
- **Primary button**: Material 3 default purple (`#6750A4`)
- **Secondary buttons**: Light purple container (`#E8DEF8`)
- **Background**: Near-white surface (`#FFFBFE`)
## Files Structure
```
android/app/src/main/
├── kotlin/.../ConduitWidgetProvider.kt # Widget logic
├── res/
│ ├── layout/
│ │ └── conduit_widget.xml # Widget layout
│ ├── drawable/
│ │ ├── widget_background.xml # Surface background
│ │ ├── widget_button_primary.xml # Primary button
│ │ ├── widget_button_secondary.xml # Secondary buttons
│ │ ├── ic_widget_camera.xml # Camera icon
│ │ ├── ic_widget_photos.xml # Photos icon
│ │ ├── ic_widget_clipboard.xml # Clipboard icon
│ │ └── widget_preview.xml # Widget picker preview
│ ├── drawable-v31/ # Material You overrides
│ │ └── (same files with dynamic colors)
│ ├── values/
│ │ ├── colors.xml # Light mode colors
│ │ ├── dimens.xml # Widget dimensions
│ │ └── strings.xml # Widget strings
│ ├── values-night/
│ │ └── colors.xml # Dark mode colors
│ └── xml/
│ └── conduit_widget_info.xml # Widget metadata
└── AndroidManifest.xml # Widget receiver registration
```
## Deep Link Handling
The widget uses `homewidget://` URL scheme:
| Action | URL |
|--------|-----|
| New Chat | `homewidget://new_chat` |
| Camera | `homewidget://camera` |
| Photos | `homewidget://photos` |
| Clipboard | `homewidget://clipboard` |
## Widget Configuration
The widget is configured in `res/xml/conduit_widget_info.xml`:
- **Min size**: 250x110dp (3x2 cells)
- **Resizable**: Horizontal and vertical
- **Category**: Home screen
- **Update period**: Never (static widget)
## Testing
1. Build and install the debug APK:
```bash
flutter build apk --debug
flutter install
```
2. Long press on home screen
3. Tap "Widgets"
4. Search for "Conduit"
5. Drag widget to home screen
## Customization
### Changing the accent color
The widget automatically picks up the system's Material You palette on Android 12+. On older versions, modify the fallback colors in `values/colors.xml`:
```xml
<color name="widget_primary_fallback">#YOUR_COLOR</color>
```
### Changing widget size
Modify `res/xml/conduit_widget_info.xml`:
```xml
<appwidget-provider
android:minWidth="250dp"
android:minHeight="110dp"
android:targetCellWidth="3"
android:targetCellHeight="2"
...
/>
```
## Troubleshooting
### Widget not appearing
- Ensure the app was installed (not just built)
- Try restarting the home launcher
- Check that `ConduitWidgetProvider` is registered in AndroidManifest.xml
### Colors not updating on theme change
- Widget colors are set at creation time
- User needs to re-add widget after theme change
- Or trigger update via `HomeWidget.updateWidget()` from Flutter