Setup

import com.solana.mobilewalletadapter.clientlib.*

// Define dApp's identity metadata
val solanaUri = Uri.parse("https://yourdapp.com")
val iconUri = Uri.parse("favicon.ico") // resolves to https://yourdapp.com/favicon.ico
val identityName = "Solana Kotlin dApp"

// Construct the client
val walletAdapter = MobileWalletAdapter(connectionIdentity = ConnectionIdentity(
    identityUri = solanaUri,
    iconUri = iconUri,
    identityName = identityName
))

import com.solana.mobilewalletadapter.clientlib.*

// `this` is the current Android activity
val sender = ActivityResultSender(this)

val result = walletAdapter.transact(sender) { authResult ->
    /* Once connected, send requests to the wallet in this callback */
}

when (result) {
    is TransactionResult.Success -> {
        val authResult = result.authResult
        // Handle success
    }
    is TransactionResult.NoWalletFound -> {
        println("No MWA compatible wallet app found on device.")
    }
    is TransactionResult.Failure -> {
        println("Error: " + result.e.message)
    }
}

// Restore a previously persisted authToken
val previouslyStoredAuthToken = maybeGetStoredAuthToken()
walletAdapter.authToken = previouslyStoredAuthToken