Introduction

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Step 1: Add SDK Dependency

Add the following dependency in your app’s build.gradle.

implementation ("io.github.otpless-tech:otpless-loginpage-android:latest_version")

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Step 2: Configure your SignIn/SignUp Activity

Import the ConnectController class

import com.otpless.loginpage.main.ConnectController

Declare a connectController member in your SignIn/SignUpActivity

private lateinit var connectController: ConnectController

Assign the member in onCreate of your SignIn/SignUpActivity, initialize the connectController and register the callback response method. On initialization is success callback is given in callback method.

connectController = ConnectController.getInstance(this, OTPLESS_APP_ID, OTPLESS_SECRET)
connectController.initializeOtpless {  }
connectController.registerResponseCallback(this::onAuthResponse)

To enable the logging in debug app, enable it from our Utility class

import com.otpless.loginpage.util.Utility
Utility.isLoggingEnabled = true

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Step 3: Starting otpless

Call startOtplessWithLoginPage method from connectController to start otpless login page.

coroutineScope.launch {
    connectController.startOtplessWithLoginPage()
}
// show progress screen

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Step 4: Handle auth response

Extract token from authResponse and validate token with backend apis. Backend documentation

import com.otpless.loginpage.model.AuthResponse

private fun onAuthResponse(authResponse: AuthResponse) {
    val token = authResponse.response.optString("token")
    // validate token with backend
}

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Step 5: Closing otpless

When your login page is closed or login is successful, close the connectController.

connectController.closeOtpless()