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Android Barcode Scanner SDK. The Scanbot Android QR-Code/Barcode Scanner SDK can be easily integrated into your existing Android application within a few business days, turning a regular smartphone or tablet into a mobile device for QR-Code and Barcode.
The barcode component supports manual entry or mobile device scanning of several major industry types of barcodes. The following how-to guide will explain how to use the barcode component with a barcode scanner and invoke a call to a REST API to retrieve information about the item.
If your project uses Gradle as the build system, the simplest way to integrate the Scandit Barcode Scanner SDK into your app is to use the AAR file contained in the SDK. If you are using Android Studio. If your project uses Gradle as the build system, the simplest way to integrate the Scandit Barcode Scanner SDK into your app is to use the AAR file contained in the SDK. If you are using Android Studio, but do not use Gradle, we commend to import the Barcode Scanner as a library module (see below). Configure the new barcode scanner control Consume its outputs in conjunction with a data source (using our Common Data Model in this example) Allow the app users to dynamically change key properties. Key best practices and how to fine tune the barcode scanner parameters to device specific limitations. Use the mobile device's native camera to scan a barcode on a book. The barcode's information appears in the barcode field, and an additional section appears with the book's information that was received from our call to the Open Library Books API: Notable Implementation Details. This example shows how to call a specific API using and Integration.
![Integrate barcode scanner into android app windows 10 Integrate barcode scanner into android app windows 10](/uploads/1/3/4/4/134493459/279628477.png)
Goal
This scenario demonstrates:
- How to use the barcode component on an interface
- How to scan a barcode to populate data using supported mobile devices
- How to use the an Integration to retrieve information from a public API and use that data on an interface
We will be testing this functionality by manually entering an ISBN number. To fully test barcode scanning functionality, you will need:
- An iOS or Android device with the Appian Mobile App installed
You can manually input a value into the barcode field if you do not have the devices listed above.
Barcode Scanner On Android
Integration Setup
The interface we'll be making requires a supporting rule that can query the Open Library Books API. Let's start by making an Integration called
ucGetBookInfoFromISBN
.In the integration designer add a rule input called:
- isbn (Text)
Setup the Integration's connection with the following properties:
Property | Value |
---|---|
URL | http://openlibrary.org/api/books |
Authentication | None |
Method | GET |
Usage | Queries Data |
Add the following parameters to the Integration:
Name | Value |
---|---|
bibkeys | ri!isbn |
jscmd | details |
format | json |
This expression rule queries the Open Library Books API using the ISBN scanned into the barcode field by the barcode scanner. It then converts the returned JSON to a dictionary of properties using the a!fromJson() system function that we can display on our interface.
Testing this rule in the Integration Designer with a valid ISBN, 0345391802, should show an output that looks similar to this:
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Creating an Interface for Barcode Scanning
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Now that we've created the supporting rule, let's move on to the interface with the barcode field. Create an interface called
ucLookupBarcode
:Creating the Process Model and Application Action
In order to test barcode scanning on a mobile device, we need to create an action that uses our interface:
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- In the interface object's properties dropdown, select Save as…
- Choose Application Action.
- Give the Action a name, description, and choose the appropriate Process model folder
- Click Save & Edit
This will create a process model with this interface as a start form along with an application action. As long as the logged in user of the mobile device has permission to see this action, they can test this expression out on a mobile device
Testing the Barcode Scanner
You can now navigate to your action using either the iOS or Android version of the Appian for Mobile Devices application.
- Tap the barcode icon.
- Use the mobile device's native camera to scan a barcode on a book.
- The barcode's information appears in the barcode field, and an additional section appears with the book's information that was received from our call to the Open Library Books API:
Notable Implementation Details
Integrate Barcode Scanner Into Android App Download
![Free android barcode scanner app Free android barcode scanner app](/uploads/1/3/4/4/134493459/695267731.png)
Integrate Barcode Scanner Into Android Apps
- This example shows how to call a specific API using and Integration. However querying a database or another API based on the scanned barcode can be done easily by replacing the rule that was used in the
a!save()
function in thea!barcodeField()
.