Updated on 2026-08-14

tangem-devkit/src/main/java/com/tangem/devkit/Old_MainActivity.kt

@@ -0,0 +1,143 @@
+package com.tangem.devkit
+
+import android.content.Intent
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import com.tangem.TangemSdk
+import com.tangem.common.CompletionResult
+import com.tangem.tangem_sdk_new.extensions.init
+import kotlinx.android.synthetic.main.old_activity_main.*
+
+class Old_MainActivity : AppCompatActivity() {
+
+    private lateinit var tangemSdk: TangemSdk
+    private lateinit var cardId: String
+    private lateinit var issuerData: ByteArray
+    private lateinit var issuerDataSignature: ByteArray
+    private var issuerDataCounter: Int = 1
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.old_activity_main)
+
+        tangemSdk = TangemSdk.init(this)
+
+        btn_scan?.setOnClickListener { _ ->
+            tangemSdk.scanCard { taskEvent ->
+                when (taskEvent) {
+                    is CompletionResult.Success -> {
+                        // Handle returned card data
+                        val card = taskEvent.data
+                        cardId = card.cardId
+                        runOnUiThread {
+                            tv_card_cid?.text = cardId
+                            btn_create_wallet.isEnabled = true
+                            tv_card_cid?.text = cardId
+                            btn_sign.isEnabled = true
+                            btn_read_issuer_data.isEnabled = true
+                            btn_read_issuer_extra_data.isEnabled = true
+                            btn_write_issuer_data.isEnabled = true
+                            btn_purge_wallet.isEnabled = true
+                            btn_create_wallet.isEnabled = true
+
+                        }
+                    }
+                }
+            }
+        }
+        btn_sign?.setOnClickListener { _ ->
+            tangemSdk.sign(
+                    createSampleHashes(),
+                    cardId) {
+                when (it) {
+                    is CompletionResult.Failure -> {
+                        runOnUiThread { tv_card_cid?.text = it.error::class.simpleName }
+                    }
+                    is CompletionResult.Success -> runOnUiThread { tv_card_cid?.text = cardId + "was used to sign sample hashes." }
+                }
+            }
+        }
+        btn_read_issuer_data?.setOnClickListener { _ ->
+            tangemSdk.readIssuerData(cardId) {
+                when (it) {
+                    is CompletionResult.Failure -> {
+                        runOnUiThread { tv_card_cid?.text = it.error::class.simpleName }
+                    }
+                    is CompletionResult.Success -> runOnUiThread {
+                        btn_write_issuer_data.isEnabled = true
+                        tv_card_cid?.text = it.data.issuerData.contentToString()
+                        issuerData = it.data.issuerData
+                        issuerDataSignature = it.data.issuerDataSignature
+                    }
+                }
+            }
+        }
+        btn_write_issuer_data?.setOnClickListener { _ ->
+            tangemSdk.writeIssuerData(
+                    cardId,
+                    issuerData,
+                    issuerDataSignature) {
+                when (it) {
+                    is CompletionResult.Failure -> {
+                        runOnUiThread { tv_card_cid?.text = it.error::class.simpleName }
+                    }
+                    is CompletionResult.Success -> runOnUiThread {
+                        tv_card_cid?.text = it.data.cardId
+                    }
+                }
+            }
+        }
+        btn_read_issuer_extra_data?.setOnClickListener { _ ->
+            tangemSdk.readIssuerExtraData(cardId) {
+                when (it) {
+                    is CompletionResult.Failure -> {
+                        runOnUiThread { tv_card_cid?.text = it.error::class.simpleName }
+                    }
+                    is CompletionResult.Success -> runOnUiThread {
+                        issuerDataCounter = (it.data.issuerDataCounter ?: 0) + 1
+                        btn_write_issuer_data.isEnabled = true
+                        tv_card_cid?.text = "Read ${it.data.issuerData.size} bytes of data."
+                    }
+                }
+            }
+        }
+        btn_purge_wallet?.setOnClickListener { _ ->
+            tangemSdk.purgeWallet(
+                    cardId) {
+                when (it) {
+                    is CompletionResult.Failure -> {
+                        runOnUiThread { tv_card_cid?.text = it.error::class.simpleName }
+                    }
+                    is CompletionResult.Success -> runOnUiThread {
+                        tv_card_cid?.text = it.data.status.name
+                    }
+                }
+            }
+        }
+        btn_create_wallet?.setOnClickListener { _ ->
+            tangemSdk.createWallet(
+                    cardId) {
+                when (it) {
+                    is CompletionResult.Failure -> {
+                        runOnUiThread { tv_card_cid?.text = it.error::class.simpleName }
+                    }
+                    is CompletionResult.Success -> runOnUiThread {
+                        tv_card_cid?.text = it.data.status.name
+                        btn_sign.isEnabled = true
+                        btn_read_issuer_data.isEnabled = true
+                        btn_purge_wallet.isEnabled = true
+                        btn_create_wallet.isEnabled = false
+
+                    }
+                }
+            }
+        }
+        btn_read_write_user_data?.setOnClickListener { startActivity(Intent(this, TestUserDataActivity::class.java)) }
+    }
+
+    private fun createSampleHashes(): Array<ByteArray> {
+        val hash1 = ByteArray(32) { 1 }
+        val hash2 = ByteArray(32) { 2 }
+        return arrayOf(hash1, hash2)
+    }
+}