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added download support
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‎DOWNLOADS_DEVELOPER_DOCS.md‎

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‎DOWNLOADS_FEATURE.md‎

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# Downloads Feature Implementation Summary
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## Overview
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Successfully added a comprehensive downloads management system to the PrivacyFirst app with full WebView integration.
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## What Was Added
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### 1. Data Models
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**File:** `app/src/main/java/com/secure/privacyfirst/data/DownloadItem.kt`
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- `DownloadItem` data class to represent downloaded files
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- `DownloadStatus` enum (PENDING, DOWNLOADING, COMPLETED, FAILED, CANCELLED)
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- Extension function `toReadableSize()` to format file sizes
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### 2. Download Manager Helper
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**File:** `app/src/main/java/com/secure/privacyfirst/utils/DownloadManagerHelper.kt`
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- Manages all download operations
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- Tracks download history using SharedPreferences
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- Integrates with Android's DownloadManager
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- Features:
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- Start downloads with automatic tracking
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- Update download status via BroadcastReceiver
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- Open downloaded files with appropriate apps
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- Share files via FileProvider
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- Delete individual downloads or clear all
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- Persist download history across app restarts
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### 3. Downloads Screen UI
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**File:** `app/src/main/java/com/secure/privacyfirst/ui/screens/DownloadsScreen.kt`
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- Beautiful Material Design 3 UI
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- Features:
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- List view of all downloads with status badges
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- File type icons (image, video, audio, PDF, etc.)
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- File size and timestamp display
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- Empty state when no downloads exist
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- Download statistics card
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- Action menu for each file (Open, Share, Delete)
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- Confirmation dialogs for delete operations
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- Clear all downloads option
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### 4. Settings Integration
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**File:** `app/src/main/java/com/secure/privacyfirst/SettingsActivity.kt`
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- Added "Storage" section in settings
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- New "Downloads" menu item with description
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- Navigation route to DownloadsScreen
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- Consistent UI with existing settings items
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### 5. WebView Integration
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**File:** `app/src/main/java/com/secure/privacyfirst/ui/screens/WebViewScreen.kt`
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- Updated DownloadListener to use DownloadManagerHelper
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- Automatic download tracking when files are downloaded
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- Respects security level settings (downloads disabled in HIGH security)
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- Shows proper toast notifications
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- Extracts filename from content disposition headers
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### 6. Permissions & Configuration
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**File:** `app/src/main/AndroidManifest.xml`
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- Added READ_EXTERNAL_STORAGE permission (for Android <= 12)
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- Added WRITE_EXTERNAL_STORAGE permission (for Android <= 12)
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- Added FileProvider configuration for secure file sharing
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**File:** `app/src/main/res/xml/file_paths.xml` (NEW)
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- FileProvider paths for accessing downloaded files
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- Required for sharing files on Android 7.0+
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## Features
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### Download Management
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- ✅ Track all downloads from WebView
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- ✅ Show download progress and status
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- ✅ Automatic status updates when downloads complete
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- ✅ Persist download history across app sessions
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- ✅ View download details (size, date, status)
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### File Operations
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- ✅ Open files with appropriate apps
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- ✅ Share files via Android's share sheet
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- ✅ Delete individual downloads
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- ✅ Clear all downloads at once
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- ✅ Secure file access via FileProvider
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### Security Integration
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- ✅ Respects app security levels
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- ✅ Downloads disabled in HIGH security mode
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- ✅ Proper permission handling
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- ✅ Secure file URI generation
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### User Experience
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- ✅ Material Design 3 UI
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- ✅ File type specific icons
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- ✅ Readable file sizes
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- ✅ Relative timestamps (e.g., "2h ago")
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- ✅ Empty state message
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- ✅ Confirmation dialogs
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- ✅ Toast notifications
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- ✅ Download statistics
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## How to Use
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### For Users
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1. Open the app and navigate to Settings
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2. Tap on "Downloads" in the Storage section
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3. View all your downloaded files
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4. Tap a file to open it
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5. Use the menu (⋮) for more options:
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- Open with specific app
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- Share via other apps
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- Delete the file
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6. Use the sweep icon (🗑️) to clear all downloads
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### For Downloads via WebView
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- Downloads will automatically appear in the Downloads page
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- Files are saved to the device's Downloads folder
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- Download notifications show progress
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- Once complete, files can be managed from the Downloads screen
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## Technical Details
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### Storage
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- Downloads metadata stored in SharedPreferences as JSON
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- Actual files stored in Android's public Downloads directory
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- FileProvider used for secure file access
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### Architecture
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- StateFlow for reactive UI updates
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- Kotlin Coroutines for async operations
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- Jetpack Compose for modern UI
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- Android DownloadManager for reliable downloads
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### Permissions
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- Storage permissions only requested for Android 12 and below
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- Android 13+ uses scoped storage (no permissions needed)
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- FileProvider grants temporary URI permissions for sharing
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## Testing Checklist
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- [ ] Download a file from WebView
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- [ ] Verify file appears in Downloads page
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- [ ] Open downloaded file
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- [ ] Share downloaded file
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- [ ] Delete individual download
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- [ ] Clear all downloads
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- [ ] Check empty state
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- [ ] Test with different file types (PDF, image, etc.)
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- [ ] Test on different Android versions
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- [ ] Verify downloads respect security levels
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## Notes
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- Downloads are disabled when security level is set to HIGH
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- The app automatically handles download completion notifications
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- File paths are stored as URIs for compatibility
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- Download history survives app restarts
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- Deleting a download removes both the metadata and the actual file
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## Future Enhancements (Optional)
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- Add search/filter functionality
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- Sort downloads by name, date, or size
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- Show download progress in real-time
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- Add pause/resume functionality
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- Export download history
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- Add file preview for images/PDFs
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- Implement download queue management

‎DOWNLOADS_UI_GUIDE.md‎

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# Downloads UI Guide
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## Navigation Flow
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```
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Settings Activity
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└─> Storage Section
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└─> Downloads Item
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└─> Downloads Screen
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├─> View all downloads
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├─> Open files
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├─> Share files
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└─> Delete files
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```
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## UI Components
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### 1. Settings Integration
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```
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┌─────────────────────────────────────────┐
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│ Settings [←] │
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├─────────────────────────────────────────┤
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│ │
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│ 🛡️ Security │
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│ 🔑 Password Management │
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│ │
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│ 📁 Storage │
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│ ┌─────────────────────────────────┐ │
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│ │ 📥 Downloads │ │
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│ │ View and manage downloaded │ │
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│ │ files [>] │ │
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│ └─────────────────────────────────┘ │
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│ │
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│ 🔒 Privacy & Legal │
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└─────────────────────────────────────────┘
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```
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### 2. Downloads Screen - Empty State
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```
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┌─────────────────────────────────────────┐
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│ Downloads [←] [🗑️] │
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├─────────────────────────────────────────┤
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│ │
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│ │
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│ 📥 │
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│ │
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│ No downloads yet │
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│ │
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│ Files you download will appear here │
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│ │
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│ │
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└─────────────────────────────────────────┘
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```
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### 3. Downloads Screen - With Files
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```
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┌─────────────────────────────────────────┐
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│ Downloads [←] [🗑️] │
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├─────────────────────────────────────────┤
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│ ℹ️ Total Downloads: 5 │
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│ Completed: 4 │
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│ │
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│ ┌─────────────────────────────────┐ │
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│ │ 📄 document.pdf [⋮] │ │
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│ │ ✓ Completed 2.5 MB 2h ago │ │
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│ └─────────────────────────────────┘ │
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│ │
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│ ┌─────────────────────────────────┐ │
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│ │ 🖼️ image.jpg [⋮] │ │
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│ │ ✓ Completed 1.2 MB 5h ago │ │
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│ └─────────────────────────────────┘ │
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│ │
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│ ┌─────────────────────────────────┐ │
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│ │ 🎥 video.mp4 [⋮] │ │
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│ │ ⏳ Downloading 0 B Just now│ │
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│ └─────────────────────────────────┘ │
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│ │
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│ ┌─────────────────────────────────┐ │
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│ │ 🎵 audio.mp3 [⋮] │ │
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│ │ ✓ Completed 3.8 MB 1d ago │ │
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│ └─────────────────────────────────┘ │
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│ │
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│ ┌─────────────────────────────────┐ │
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│ │ 📄 report.pdf [⋮] │ │
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│ │ ❌ Failed 0 B 2d ago │ │
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│ └─────────────────────────────────┘ │
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└─────────────────────────────────────────┘
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```
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### 4. File Actions Menu
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```
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┌─────────────────────────────────────────┐
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│ 📄 document.pdf [⋮] ◄───┐ │
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│ ✓ Completed 2.5 MB 2h ago │ │
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│ │ │
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│ ┌─────────────────┤ │
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│ │ 🔗 Open │ │
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│ │ 📤 Share │ │
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│ │ 🗑️ Delete │ │
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│ └─────────────────┘ │
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└─────────────────────────────────────────┘
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```
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### 5. Delete Confirmation Dialog
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```
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┌─────────────────────────┐
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│ 🗑️ │
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│ Delete Download │
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│ │
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│ Are you sure you want │
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│ to delete "file.pdf"? │
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│ This will remove the │
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│ file from your device. │
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│ │
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│ [Cancel] [Delete] │
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└─────────────────────────┘
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```
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## File Type Icons
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- 📄 PDF files
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- 🖼️ Image files (jpg, png, gif)
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- 🎥 Video files (mp4, mkv, avi)
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- 🎵 Audio files (mp3, wav, flac)
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- 📁 Generic files
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- ⏳ Downloading (in progress)
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- ❌ Failed downloads
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## Status Badges
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- ✅ **Completed** - Green badge, download successful
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- ⏳ **Downloading** - Blue badge, in progress
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- ❌ **Failed** - Red badge, download failed
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- ⏸️ **Pending** - Gray badge, queued
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- 🚫 **Cancelled** - Gray badge, user cancelled
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## Color Scheme
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Follows Material Design 3 theme:
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- Primary color for completed downloads
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- Tertiary color for in-progress downloads
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- Error color for failed downloads
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- Surface variants for backgrounds
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- Proper contrast ratios for accessibility
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## Interactions
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### Tap Actions
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- **Tap on completed file**: Opens with default app
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- **Tap on incomplete file**: Shows "Download not completed yet" toast
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- **Tap menu (⋮)**: Opens action menu
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- **Tap clear all (🗑️)**: Shows confirmation dialog
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### Long Press
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Not implemented (using menu button instead)
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## Accessibility
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- All icons have content descriptions
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- Color not used as the only indicator (text + icons)
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- Touch targets meet minimum size requirements
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- Screen reader friendly
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- High contrast mode compatible

‎app/src/main/AndroidManifest.xml‎

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<uses-permission android:name="android.permission.CAMERA" />
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<uses-permission android:name="android.permission.RECORD_AUDIO" />
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<uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
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<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"
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android:maxSdkVersion="32" />
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<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"
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android:maxSdkVersion="32" />
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<application
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android:name=".PrivacyFirstApp"
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android:name=".TermsActivity"
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android:exported="false"
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android:theme="@style/Theme.PrivacyFirst" />
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<provider
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android:name="androidx.core.content.FileProvider"
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android:authorities="${applicationId}.fileprovider"
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android:exported="false"
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android:grantUriPermissions="true">
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<meta-data
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android:name="android.support.FILE_PROVIDER_PATHS"
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android:resource="@xml/file_paths" />
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</provider>
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</application>
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</manifest>

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