Updated on 2026-08-14

app/src/main/AndroidManifest.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     package="com.tangem.wallet">
 
     <uses-feature
@@ -11,7 +12,7 @@
     <uses-permission android:name="android.permission.NFC" />
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
-    <uses-permission android:name="android.permission.USE_FINGERPRINT" />
+    <uses-permission android:name="android.permission.USE_BIOMETRIC" />
     <uses-permission android:name="android.permission.CAMERA" />
 
     <uses-feature android:name="android.hardware.camera" />
@@ -20,11 +21,13 @@
     <application
         android:name="com.tangem.App"
         android:allowBackup="true"
+        android:fullBackupContent="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher"
         android:supportsRtl="true"
-        android:theme="@style/AppTheme">
+        android:theme="@style/AppTheme"
+        tools:ignore="GoogleAppIndexingWarning">
         <provider
             android:name="com.tangem.data.LogFileProvider"
             android:authorities="@string/log_file_provider_authorities"

app/src/main/java/com/tangem/Constant.kt

@@ -27,5 +27,10 @@ object Constant {
     const val REQUEST_CODE_REQUEST_CAMERA_PERMISSIONS = 3
 
     const val EXTRA_LAST_DISCOVERED_TAG = "extra_last_tag"
+    const val EXTRA_PIN2 = "PIN2"
+
+    // LogoActivity
+    const val EXTRA_AUTO_HIDE = "extra_auto_hide"
+    const val MILLIS_AUTO_HIDE = 1000
 
 }

app/src/main/java/com/tangem/di/Navigator.kt

@@ -6,10 +6,7 @@ import android.os.Bundle
 import com.tangem.Constant
 import com.tangem.domain.wallet.CoinData
 import com.tangem.domain.wallet.TangemCard
-import com.tangem.presentation.activity.EmptyWalletActivity
-import com.tangem.presentation.activity.LoadedWalletActivity
-import com.tangem.presentation.activity.MainActivity
-import com.tangem.presentation.activity.VerifyCardActivity
+import com.tangem.presentation.activity.*
 import com.tangem.presentation.fragment.LoadedWallet
 
 class Navigator {
@@ -18,6 +15,14 @@ class Navigator {
         context.startActivity(MainActivity.callingIntent(context))
     }
 
+    fun showLogo(context: Activity, autoHide: Boolean) {
+        context.startActivity(LogoActivity.callingIntent(context, autoHide))
+    }
+
+    fun showPinSave(context: Activity, hasPin2: Boolean) {
+        context.startActivity(PinSaveActivity.callingIntent(context, hasPin2))
+    }
+
     fun showLoadedWallet(context: Activity, lastTag: Tag, cardInfo: Bundle) {
         context.startActivityForResult(LoadedWalletActivity.callingIntent(context, lastTag, cardInfo), Constant.REQUEST_CODE_SHOW_CARD_ACTIVITY)
     }

app/src/main/java/com/tangem/presentation/activity/LogoActivity.kt

@@ -1,9 +1,12 @@
 package com.tangem.presentation.activity
 
 import android.annotation.SuppressLint
+import android.content.Context
+import android.content.Intent
 import android.os.Bundle
 import android.support.v7.app.AppCompatActivity
 import com.tangem.App
+import com.tangem.Constant
 import com.tangem.di.Navigator
 import com.tangem.wallet.BuildConfig
 import com.tangem.wallet.R
@@ -15,8 +18,11 @@ class LogoActivity : AppCompatActivity() {
     companion object {
         val TAG: String = LogoActivity::class.java.simpleName
 
-        const val EXTRA_AUTO_HIDE = "extra_auto_hide"
-        const val MILLIS_AUTO_HIDE = 1000
+        fun callingIntent(context: Context, autoHide: Boolean): Intent {
+            val intent = Intent(context, LogoActivity::class.java)
+            intent.putExtra(Constant.EXTRA_AUTO_HIDE, autoHide)
+            return intent
+        }
     }
 
     private val hideRunnable = Runnable { this.hide() }
@@ -42,8 +48,8 @@ class LogoActivity : AppCompatActivity() {
         else
             tvAppVersion.text = "BETA v." + BuildConfig.VERSION_NAME
 
-        if (intent.getBooleanExtra(EXTRA_AUTO_HIDE, true))
-            ivLogo.postDelayed(hideRunnable, MILLIS_AUTO_HIDE.toLong())
+        if (intent.getBooleanExtra(Constant.EXTRA_AUTO_HIDE, true))
+            ivLogo.postDelayed(hideRunnable, Constant.MILLIS_AUTO_HIDE.toLong())
     }
 
     private fun hide() {

app/src/main/java/com/tangem/presentation/activity/MainActivity.kt

@@ -210,7 +210,6 @@ class MainActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProtoco
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         val id = item.itemId
-
         when (id) {
             R.id.sendLogs -> {
                 var f: File? = null
@@ -231,17 +230,17 @@ class MainActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProtoco
                 return true
             }
             R.id.managePIN -> {
-                showSavePinActivity()
+                navigator.showPinSave(this, false)
                 return true
             }
 
             R.id.managePIN2 -> {
-                showSavePin2Activity()
+                navigator.showPinSave(this, true)
                 return true
             }
 
             R.id.about -> {
-                showLogoActivity()
+                navigator.showLogo(this, false)
                 return true
             }
         }
@@ -391,13 +390,6 @@ class MainActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProtoco
         onNfcReaderCallback = callback
     }
 
-    private fun showLogoActivity() {
-        val intent = Intent(baseContext, LogoActivity::class.java)
-        intent.putExtra(LogoActivity.TAG, true)
-        intent.putExtra(LogoActivity.EXTRA_AUTO_HIDE, false)
-        startActivity(intent)
-    }
-
     private fun animate() {
         val lp = llHand.layoutParams as RelativeLayout.LayoutParams
         val lp2 = llNfc.layoutParams as RelativeLayout.LayoutParams
@@ -418,18 +410,6 @@ class MainActivity : AppCompatActivity(), NfcAdapter.ReaderCallback, CardProtoco
         llHand.startAnimation(a)
     }
 
-    private fun showSavePinActivity() {
-        val intent = Intent(baseContext, PinSaveActivity::class.java)
-        intent.putExtra("PIN2", false)
-        startActivity(intent)
-    }
-
-    private fun showSavePin2Activity() {
-        val intent = Intent(baseContext, PinSaveActivity::class.java)
-        intent.putExtra("PIN2", true)
-        startActivity(intent)
-    }
-
     private fun showMenu(v: View) {
         val popup = PopupMenu(this, v)
         val inflater = popup.menuInflater

app/src/main/java/com/tangem/presentation/activity/PinSaveActivity.kt

@@ -6,6 +6,7 @@ import android.annotation.TargetApi
 import android.app.Dialog
 import android.app.KeyguardManager
 import android.content.Context
+import android.content.Intent
 import android.content.pm.PackageManager
 import android.hardware.fingerprint.FingerprintManager
 import android.os.Build
@@ -19,9 +20,10 @@ import android.text.TextUtils
 import android.view.View
 import android.widget.Button
 import android.widget.Toast
+import com.tangem.Constant
+import com.tangem.data.db.PINStorage
 import com.tangem.data.fingerprint.ConfirmWithFingerprintTask
 import com.tangem.data.fingerprint.FingerprintHelper
-import com.tangem.data.db.PINStorage
 import com.tangem.wallet.R
 import kotlinx.android.synthetic.main.activity_pin_save.*
 import kotlinx.android.synthetic.main.layout_pin_buttons.*
@@ -38,6 +40,16 @@ import javax.crypto.spec.IvParameterSpec
 
 class PinSaveActivity : AppCompatActivity(), FingerprintHelper.FingerprintHelperListener {
 
+    companion object {
+        val TAG: String = PinSaveActivity::class.java.simpleName
+
+        fun callingIntent(context: Context, hasPin2: Boolean): Intent {
+            val intent = Intent(context, PinSaveActivity::class.java)
+            intent.putExtra(Constant.EXTRA_PIN2, hasPin2)
+            return intent
+        }
+    }
+
     private var confirmWithFingerprintTask: ConfirmWithFingerprintTask? = null
     private var keyStore: KeyStore? = null
     private var cipher: Cipher? = null
@@ -58,7 +70,7 @@ class PinSaveActivity : AppCompatActivity(), FingerprintHelper.FingerprintHelper
 
 //        MainActivity.commonInit(applicationContext)
 
-        usePIN2 = intent.getBooleanExtra("PIN2", false)
+        usePIN2 = intent.getBooleanExtra(Constant.EXTRA_PIN2, false)
 
         if (usePIN2)
             tvPinPrompt.text = getString(R.string.enter_pin2_and_use_fingerprint_to_save_it)