UPIPay is a manual UPI based payment gateway provided by MakeEasy.

STEPS-

1. Download MakeEasy app from playstore. Click top right corner and create an account. Login and collect the merchant id.
2. Open your project create libs folder and paste UPIPay.aar and implement as dependency file in build.gradle (app)

implementation(files("libs/UPIPay.aar"))

//Initialize the UPIPayFlow class
val upiPayFlow = UPIPayFlow(this)

// Create Order Id
val orderId = UPIPayUtils.createOrderId()

// Define UPIPayUser model class
val user = UPIPayUser("2")

// Setup UPIPayFlow UI design
val uiDark = UPIPayUI()
uiDark.appLogo = R.drawable.ebet
uiDark.appName = getString(R.string.app_name)
uiDark.theme = UPIPayUtils.THEME_LIGHT //UPIPayUtils.THEME_DARK
uiDark.merchantId = UPIPayUtils.DEMO_MERCHANT_ID
//uiDark.webhook = "your_webhook_url"
//uiDark.alertKey = "your_tg_group_username"

// Define UPIPayModel model class
val upiPayModel = UPIPayModel("Payee Name","100",orderId,"your_upi_id",user)

// Pass the mandatory objects and ready for payment
upiPayFlow.init(upiPayModel,uiLight,object:UPIPayInitListener {
    override fun onSuccess() {
        upiPayFlow.startFlow()
    }
    override fun onFailed(p0: Int, p1: String?) {
        Toast.makeText(this@MainActivity,p1,Toast.LENGTH_SHORT).show()
    }

})