Updated on 2026-08-14

app/src/main/java/com/tangem/tap/common/compose/extensions/LazyListState.kt

@@ -2,6 +2,8 @@ package com.tangem.tap.common.compose.extensions
 
 import androidx.compose.foundation.lazy.LazyListState
 import androidx.compose.runtime.*
+import androidx.compose.ui.platform.LocalView
+import com.tangem.tap.common.extensions.hideKeyboard
 
 @Composable
 fun LazyListState.OnBottomReached(loadMoreThreshold: Int, loadMore: () -> Unit) {
@@ -17,4 +19,11 @@ fun LazyListState.OnBottomReached(loadMoreThreshold: Int, loadMore: () -> Unit)
     LaunchedEffect(shouldLoadMore) {
         if (shouldLoadMore) loadMore()
     }
+}
+
+@Composable
+fun LazyListState.HideKeyboardOnScroll() {
+    if (isScrollInProgress) {
+        LocalView.current.hideKeyboard()
+    }
 }

app/src/main/java/com/tangem/tap/features/details/redux/DetailsAction.kt

@@ -5,6 +5,7 @@ import com.tangem.common.card.Card
 import com.tangem.domain.common.ScanResponse
 import com.tangem.domain.common.TwinCardNumber
 import com.tangem.operations.pins.CheckUserCodesResponse
+import com.tangem.tap.common.entities.FiatCurrency
 import com.tangem.tap.common.redux.NotificationAction
 import com.tangem.tap.domain.termsOfUse.CardTou
 import com.tangem.wallet.R
@@ -58,4 +59,5 @@ sealed class DetailsAction : Action {
         }
     }
 
+    data class ChangeAppCurrency(val fiatCurrency: FiatCurrency) : DetailsAction()
 }

app/src/main/java/com/tangem/tap/features/details/redux/DetailsReducer.kt

@@ -31,6 +31,9 @@ private fun internalReduce(action: Action, state: AppState): DetailsState {
         is DetailsAction.ManageSecurity -> {
             handleSecurityAction(action, detailsState)
         }
+        is DetailsAction.ChangeAppCurrency ->
+            detailsState.copy(appCurrency = action.fiatCurrency)
+
         else -> detailsState
     }
 }

app/src/main/java/com/tangem/tap/features/details/redux/DetailsState.kt

@@ -4,6 +4,7 @@ import android.net.Uri
 import com.tangem.blockchain.common.Wallet
 import com.tangem.domain.common.ScanResponse
 import com.tangem.tap.common.entities.Button
+import com.tangem.tap.common.entities.FiatCurrency
 import com.tangem.tap.features.onboarding.products.twins.redux.TwinCardsState
 import com.tangem.tap.store
 import org.rekotlin.StateType
@@ -19,6 +20,7 @@ data class DetailsState(
     val securityScreenState: SecurityScreenState? = null,
     val cardTermsOfUseUrl: Uri? = null,
     val createBackupAllowed: Boolean = false,
+    val appCurrency: FiatCurrency = FiatCurrency.Default
 ) : StateType {
 
     // if you do not delegate - the application crashes on startup,

app/src/main/java/com/tangem/tap/features/details/ui/DetailsFragment.kt

@@ -116,6 +116,9 @@ class DetailsFragment : Fragment(R.layout.fragment_details), StoreSubscriber<Det
         }
 
         tvAppCurrency.show(state.scanResponse?.card?.isMultiwalletAllowed != true)
+        tvAppCurrencyTitle.show(state.scanResponse?.card?.isMultiwalletAllowed != true)
+        tvAppCurrency.text = state.appCurrency.code
+
         tvAppCurrency.setOnClickListener {
             store.dispatch(WalletAction.AppCurrencyAction.ChooseAppCurrency)
         }

app/src/main/java/com/tangem/tap/features/send/redux/reducers/ReceiptReducer.kt

@@ -128,7 +128,8 @@ class ReceiptReducer : SendInternalReducer {
             val totalFiat = amountFiat.plus(feeFiat)
             ReceiptTokenFiat(
                 amountFiat = amountFiat.scaleToFiat(true).stripZeroPlainString(),
-                feeFiat = feeFiat.scaleToFiat(true).stripZeroPlainString(),
+                feeFiat = feeFiat.scaleToFiat(true)
+                    .stripZeroPlainString().addPrecisionSign(),
                 totalFiat = totalFiat.scaleToFiat(true).stripZeroPlainString(),
                 willSentToken = tokensToSend.stripZeroPlainString(),
                 willSentFeeCoin = feeCoin.stripZeroPlainString(),

app/src/main/java/com/tangem/tap/features/tokens/ui/compose/ListOfCurrencies.kt

@@ -11,6 +11,7 @@ import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import com.tangem.blockchain.common.Blockchain
+import com.tangem.tap.common.compose.extensions.HideKeyboardOnScroll
 import com.tangem.tap.common.compose.extensions.OnBottomReached
 import com.tangem.tap.domain.tokens.Currency
 import com.tangem.tap.features.tokens.redux.ContractAddress
@@ -44,6 +45,8 @@ fun ListOfCurrencies(
     }
 
     val listState = rememberLazyListState()
+    listState.HideKeyboardOnScroll()
+    listState.OnBottomReached(loadMoreThreshold = 40) { onLoadMore() }
 
     LazyColumn(
         state = listState,
@@ -67,7 +70,6 @@ fun ListOfCurrencies(
             )
         }
     }
-    listState.OnBottomReached(loadMoreThreshold = 40) { onLoadMore() }
 }
 
 val Currency.fullName: String

app/src/main/java/com/tangem/tap/features/wallet/redux/WalletState.kt

@@ -288,7 +288,6 @@ data class WalletState(
     private fun updateTotalBalance(): WalletState {
         val walletsData = this.wallets
             .flatMap(WalletStore::walletsData)
-            .filter { it.fiatRate != null }
 
         return if (walletsData.isNotEmpty()) {
             this.copy(

app/src/main/java/com/tangem/tap/features/wallet/redux/middlewares/AppCurrencyMiddleware.kt

@@ -7,6 +7,7 @@ import com.tangem.tap.common.entities.FiatCurrency
 import com.tangem.tap.common.extensions.dispatchDialogShow
 import com.tangem.tap.common.redux.global.GlobalAction
 import com.tangem.tap.domain.TapWalletManager
+import com.tangem.tap.features.details.redux.DetailsAction
 import com.tangem.tap.features.wallet.redux.WalletAction
 import com.tangem.tap.features.wallet.redux.WalletDialog
 import com.tangem.tap.persistence.FiatCurrenciesPrefStorage
@@ -63,6 +64,7 @@ class AppCurrencyMiddleware(
         tapWalletManager.rates.clear()
         fiatCurrenciesPrefStorage.saveAppCurrency(action.fiatCurrency)
         store.dispatch(GlobalAction.ChangeAppCurrency(action.fiatCurrency))
+        store.dispatch(DetailsAction.ChangeAppCurrency(action.fiatCurrency))
         store.dispatch(WalletAction.LoadFiatRate())
     }
 

app/src/main/java/com/tangem/tap/features/wallet/redux/reducers/TotalBalanceOperations.kt

@@ -18,8 +18,9 @@ fun List<WalletData>.calculateTotalFiatAmount(): BigDecimal {
 }
 
 private fun List<WalletData>.mapToProgressState(): List<ProgressState> {
-    return this.map {
-        when (it.currencyData.status) {
+    return this.map { wallet ->
+        if (wallet.fiatRate == null) ProgressState.Error
+        else when (wallet.currencyData.status) {
             BalanceStatus.Refreshing -> ProgressState.Refreshing
             BalanceStatus.VerifiedOnline,
             BalanceStatus.SameCurrencyTransactionInProgress,

app/src/main/java/com/tangem/tap/features/wallet/ui/wallet/MultiWalletView.kt

@@ -138,8 +138,7 @@ class MultiWalletView : WalletView {
                 show = totalBalance.state == ProgressState.Error
             )
 
-            tvBalance.text = if (totalBalance.state == ProgressState.Error) "—"
-            else totalBalance.fiatAmount.formatAmountAsSpannedString(
+            tvBalance.text = totalBalance.fiatAmount.formatAmountAsSpannedString(
                 currencySymbol = totalBalance.fiatCurrency.symbol
             )
             tvCurrencyName.text = totalBalance.fiatCurrency.code
@@ -193,7 +192,6 @@ class MultiWalletView : WalletView {
     private fun configureButtonsForEmptyWalletState(binding: FragmentWalletBinding) =
         with(binding) {
             lButtonsLong.root.show()
-            lButtonsLong.btnScanLong.setOnClickListener { store.dispatch(WalletAction.Scan) }
             lButtonsLong.btnConfirmLong.setOnClickListener { store.dispatch(WalletAction.CreateWallet) }
             lButtonsLong.btnConfirmLong.text =
                 fragment?.getText(R.string.wallet_button_create_wallet)

app/src/main/java/com/tangem/tap/features/wallet/ui/wallet/SingleWalletView.kt

@@ -130,20 +130,8 @@ class SingleWalletView : WalletView {
             lButtonsLong.btnConfirmLong
         }
 
-        val btnScan = if (state.tradeCryptoState.sellingAllowed ||
-            state.tradeCryptoState.buyingAllowed
-        ) {
-            lButtonsShort.btnScan
-        } else {
-            lButtonsLong.btnScanLong
-        }
-
         setupConfirmButton(state, btnConfirm, isTwinsWallet)
 
-        btnScan.setOnClickListener {
-            store.dispatch(WalletAction.Scan)
-        }
-
         lAddress.btnCopy.setOnClickListener {
             state.walletAddresses?.selectedAddress?.address?.let { addressString ->
                 store.dispatch(WalletAction.CopyAddress(addressString, fragment!!.requireContext()))