Android app integration

Information on our Android app integration solution.

• Overview
• Messages
  • Sales-related requests
  • Configuration-related requests
• Callback activity
• Key to card terminal product categories
• Get Support

Overview

Please see below for information on integrating with Viva Wallet’s Android POS app.

Messages

The client app must implement a mechanism to send messages using Android intents and URI calls and to receive the result in a custom URI callback. Overall the following messages are available:

Sales-related requests

• Sale request originating from the client app to initiate a request for a new Sale transaction.
  • Multimerchant Sale request originating from the client app to initiate a request for a new Multimerchant Sale transaction.
• Pre-auth request originating from the client app to initiate a request for a new Pre-auth transaction.
• Capture Pre-auth request originating from the client app to initiate a request for a Capture Pre-auth transaction.
• Cancel request originating from the client app to initiate a request for a Cancel transaction.
• Abort request originating from the client app to abort (if possible) the last Sale request.
• Batch request originating from the client app to open or close a batch.
• Reprint request originating from the client app to reprint a transaction receipt.
• Transaction Details request originating from the client app to request transaction details.
• Foreground request originating from the client app to bring Card terminal app to foreground.

Configuration-related requests

• Set Mode request originating from the client app to set the card terminal mode.
• Set Printing Settings request originating from the client app to change the Printing Settings.
• Get Printing Settings request originating from the client app to get the Printing Settings of the POS application.
• Send logs request originating from the client app to trigger the application to upload logs
• POS Activation request originating from the client app to trigger the POS activation.
• Get Activation Code request originating from the client app to trigger the Get Activation Code request.
• Decimal Amount Mode request originating from the client app to initiate a request for a decimal amount mode.
• Reset request originating from client app to reset the POS application.

Callback activity

The client app must provide a callback activity declare in AndroidManifest.xml, in order to receive the response results.

<activity
          android:name="com.example.URLResponseActivity"
          android:label="Payment Result">
            <intent-filter>
                <action android:name="android.intent.action.VIEW"/>
                <action android:name="com.example.URLResponseActivity"/>
                <category android:name="android.intent.category.DEFAULT"/>
                <category android:name="android.intent.category.BROWSABLE"/>
                <!-- Provide your own scheme here and reference it when you send a message -->
                 <data
                   android:scheme="mycallbackscheme"
                   android:host="result"/>
            </intent-filter>
        </activity>

Key to card terminal product categories

To understand the icons used on the above table, see the below table.

Product category	Terminal models	Icon
Android Card Terminals	Android Card Terminal Ethernet, Android Card Terminal 4G, Mobile Card Terminal Plus, Mobile Card Terminal.
Viva Wallet POS app for Android	Mini Card Reader, Pocket Card Terminal connected via Bluetooth or USB to the Viva Wallet POS app for Android.
Linux Card Terminals	Countertop, IM20, S900, S800, D200.

Get Support

If you would like to integrate with Viva Wallet, or if you have any queries about our products and solutions, please see our Get Support page to see how we can help!