Home Technology Easy Ways to Implement Automatic SMS Verification in Android.

Easy Ways to Implement Automatic SMS Verification in Android.

by Thomas Browne

There are many different ways to verify your registration on an android application. One of the most common ways is SMS verification. Most mobile phone users have phone numbers for their phones, which makes SMS verification the most common way to verify registration on new android applications.

However, inputting a code received as an SMS is not user-friendly. You have to open your messages application to view the code then go back to the application to input it. You need a way that automatically reads the code message and auto-fills on the application to reduce time and avoid missing a letter or number in the code.

The best way to do SMS verification is through automatic SMS verification. Through automatic SMS verification, users do not have to perform any action. They just wait for the verification to autocomplete. Another advantage of automatic SMS verification is that you do not need permissions to automate the process. All you have to do is follow these criteria.

  • The verification message sent to the android user must be 140 bytes or less.
  • The message has to have an 11-character hash string
  • The message should be a one-time code that can be sent back to the server by the android user.

One-Tap SMS Verification

You can also use one-tap verification for SMS verifications. The method works the same way as the automatic SMS verification, only that you do not need to generate a unique code to verify registration on your application. The method queries the android user by appearing at the bottom sheet with content from a single SMS. The user then either gives consent or denies it. If they give consent, the application will access the messages and get them a one-time code.

Implementing One-Tap Sms Verification on Your Application

  • Get the User’s Phone Number

Before you start automating the SMS verification process on your application, you need to get the user’s number. You can use any of the legal methods to do this. Google mostly recommends that you use a hint picker to get the user’s number. You can use Cdyne corporation’s phone verification service to clean, verify, and check the numbers, both landline and cell phone numbers.

  • Listen for any Incoming Messages

Before sending the phone number to the server, you should listen for an incoming number. The listener has up to 5 minutes to listen to any message. In this method, you should specify the phone number that sends the message, which has an OTP code. This is optional because you can fill a null value if you do not want to set it.

For the steps and method to work well, you need to ensure your message follows these criteria:

  • The message has to have 4-10 characters in an alphanumeric string. There should be at least one number in the characters.
  • The message is sent by a foreign number and not one in the user’s contacts.
  • If you specify the sender’s phone number, ensure the message is sent by the same number.
  • You should implement the code in your activities’ lesson to schedule listening for any incoming message.

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