Contact person: Kotlin Android Video Downloader App with JavaScript Injection (WebView Scraping & Multi-Quality Download

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Location: Ahmedabad, India

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"e need an experienced Kotlin Android developer to build a video downloader application with the following features:

Key Requirements
WebView Integration

Built-in browser (WebView) for user navigation.

Support for back/forward navigation, refresh, and custom URL entry.

JavaScript Injection & Media Scraping

Inject custom JavaScript into loaded pages to detect <video>, <source>, <img> tags, and .m3u8/manifest URLs.

Extract multiple qualities/resolutions when available (MP4 & HLS).

Return scraped data to Kotlin using addJavascriptInterface or evaluateJavascript.

Media Download Functionality

Allow user to select desired quality before download.

Direct file download via Android DownloadManager or OkHttp.

HLS (.m3u8) support with variant playlist parsing and download (ExoPlayer HlsDownloader recommended).

Background downloads with progress notification.

File Management

Save to organized folders with clear naming.

Option to view/downloaded files in-app or open in external player.

Permissions & Compliance

Scoped storage (Android 11+) or minimal permissions.

Display legal disclaimer before download.

Deliverables

Full Kotlin source code, ready to compile in Android Studio.

Clean and commented code for maintainability.

APK for testing before final delivery." (client-provided description)