[Free] InternetChecker Extension: iOS-Style 🧩

Extensions
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InternetChecker Extension: iOS-Style Glass Popup When Offline :puzzle_piece:

Description

InternetChecker is a free Kodular/MIT App Inventor extension that displays a beautiful iOS-style glass popup automatically when the device goes offline. It uses a local asset icon (wifi_off.png) — no internet or WebView needed.

Price: Free (:heart: donations appreciated)
Released On: Oct 29, 2025

Support me if you love this free extension: :puzzle_piece: :heavy_dollar_sign: PayPal

Explanation

InternetChecker continuously monitors internet connectivity. When offline, it shows a modern frosted-glass popup. Perfect for apps that require internet — notify users instantly and guide them to fix it.

Features

  • Auto Show on Offline: Detects disconnect in 1 second
  • iOS Glass Effect: Translucent card with blur-like style
  • Local Icon: Uses wifi_off.png from Assets (no external load)
  • Cancel Always Dismisses: Even if no block attached
  • Fallback AlertDialog: Works if overlay permission denied
  • Manual Control: CheckNow(), TestNow(), HidePopup()
  • No Internet: 100% offline-safe

Designer Properties & Instruction

Screenshot 2025-10-29 212011
Screenshot 2025-10-29 212011261×427 17.9 KB

Screenshot 2025-10-29 211945
Screenshot 2025-10-29 211945226×148 4.76 KB

Blocks Overview

Screenshot 2025-10-29 212127
Screenshot 2025-10-29 212127403×637 20.5 KB

How to Use (Block Steps)

  1. Add to Project:
  • Import the .aix file via Kodular’s Extensions tab.
  • Drag InternetChecker into your screen (non-visible).
  1. Upload Icon:
  • Go to Assets
  • Upload image named exactly: wifi_off.png
  • Size: 96×96 px (for sharp display on all devices)
  1. Enable Auto Check (Default):

Use Cases

  • E-commerce Apps: Notify when cart/checkout fails on Internet distruption
  • Online Games: Show “No Internet” with retry
  • Educational Apps: Prevent submission without connection
  • IoT / Dashboard Apps: Alert on network drop
  • Any App Requiring Internet

Installation

  1. Import .aix via Extensions → Import Extension
  2. Upload wifi_off.png (96×96 px) to Assets
  3. Drag InternetChecker to screen
  4. Done — auto works!

Critical: File must be named exactly wifi_off.png (case-sensitive in some cases)

AIA File & AIX File (Extension)

InternetChecker.aix (18.8 KB) :puzzle_piece:

test2.aia (86.0 KB) :mobile_phone:

wifi_off (This image file required in assets.

Money Money Money GIF

Support me if you love :heart: this free extension: :puzzle_piece: PayPal

Feedback

Try InternetChecker and let me know your thoughts! Suggestions welcome. Your support keeps free extensions alive.

Changelog

  • v1 (Oct 2025): Initial release with auto-check, glass popup, local icon, fallback dialog, full button support, and manual controls.
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