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Create an Android App Scan & Read QR Code Using | appinventor mit

A QR code is a simple and incomprehensible code that carries a lot of information, such as people's names, email addresses, websites, or social media handles.


QR codes are made up of black modules arranged in a square shape on a white background. The encoded information can be any type of data, and a mobile phone can easily read them quickly.
 

QR Code


Create an Android App Scan & Read QR Code Using appinventor mit

By using the BarcodeScanner component, an Android application can be created in appinventor mit so that we can read QR codes. We will learn how to do that in this article.


App Objectives

  • Use the Clock component.

App Tools

 

Tool #1: Label

PaletteUser Interface

NameLabel1

Use: Scanning the QR code displays its information in the address component.


Tool #2: Button

PaletteUser Interface

NameButton1

Use: Display QR code information in text format.


Tool #3: BarcodeScanner

PaletteSensors

NameBarcodeScanner1

Use: Scanning the QR Code.

 

Adjust tool properties

Tool: BarcodeScanner

Setting: Deactivate the (useExternalScanner) checkbox.

 

Steeps

Add the app components mentioned above, as in the following screen:


QR-Code-screen

App Blocks



App Video


App QR


App QR

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See this tutorial in Arabic
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    Reading Mode :
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