Updated on 2026-08-14

app/src/main/java/com/tangem/tap/features/tokens/impl/presentation/states/TokensListStateHolder.kt

@@ -96,5 +96,6 @@ internal sealed interface TokensListStateHolder {
         override val tokens: Flow<PagingData<TokenItemState>>,
         override val onTokensLoadStateChanged: (LoadState) -> Unit,
         val onSaveButtonClick: () -> Unit,
+        val isSavingInProgress: Boolean,
     ) : TokensListStateHolder
 }

app/src/main/java/com/tangem/tap/features/tokens/impl/presentation/ui/TokensListScreen.kt

@@ -29,7 +29,10 @@ import androidx.compose.ui.unit.TextUnit
 import androidx.compose.ui.unit.TextUnitType
 import androidx.compose.ui.unit.dp
 import androidx.paging.PagingData
-import androidx.paging.compose.*
+import androidx.paging.compose.LazyPagingItems
+import androidx.paging.compose.collectAsLazyPagingItems
+import androidx.paging.compose.itemContentType
+import androidx.paging.compose.itemKey
 import com.tangem.core.ui.components.PrimaryButton
 import com.tangem.core.ui.res.TangemTheme
 import com.tangem.tap.features.tokens.impl.presentation.states.TokenItemState
@@ -63,10 +66,11 @@ internal fun TokensListScreen(stateHolder: TokensListStateHolder, modifier: Modi
                 val verticalPadding = TangemTheme.dimens.spacing32
 
                 SaveChangesButton(
-                    onClick = stateHolder.onSaveButtonClick,
                     modifier = Modifier.onSizeChanged {
                         with(density) { floatingButtonHeight = it.height.toDp() + verticalPadding }
                     },
+                    showProgress = stateHolder.isSavingInProgress,
+                    onClick = stateHolder.onSaveButtonClick,
                 )
             }
         },
@@ -176,13 +180,14 @@ private fun DifferentAddressesWarning() {
 }
 
 @Composable
-private fun SaveChangesButton(onClick: () -> Unit, modifier: Modifier = Modifier) {
+private fun SaveChangesButton(showProgress: Boolean, onClick: () -> Unit, modifier: Modifier = Modifier) {
     PrimaryButton(
         modifier = modifier
             .imePadding()
             .padding(horizontal = TangemTheme.dimens.spacing16)
             .fillMaxWidth(),
         text = stringResource(id = R.string.common_save_changes),
+        showProgress = showProgress,
         onClick = onClick,
     )
 }
@@ -237,6 +242,7 @@ private class TokensListScreenProvider : CollectionPreviewParameterProvider<Toke
             ),
             onSaveButtonClick = {},
             onTokensLoadStateChanged = {},
+            isSavingInProgress = false,
         ),
         TokensListStateHolder.ReadContent(
             toolbarState = TokensListToolbarState.Title.Read(

app/src/main/java/com/tangem/tap/features/tokens/impl/presentation/viewmodels/TokensListMigration.kt

@@ -3,6 +3,7 @@ package com.tangem.tap.features.tokens.impl.presentation.viewmodels
 import arrow.core.Either
 import com.tangem.blockchain.common.Blockchain
 import com.tangem.blockchain.common.Token
+import com.tangem.core.navigation.AppScreen
 import com.tangem.core.navigation.NavigationAction
 import com.tangem.data.tokens.utils.CryptoCurrencyFactory
 import com.tangem.domain.card.DerivePublicKeysUseCase
@@ -15,7 +16,7 @@ import com.tangem.domain.wallets.models.UserWallet
 import com.tangem.domain.wallets.models.UserWalletId
 import com.tangem.domain.wallets.usecase.GetSelectedWalletSyncUseCase
 import com.tangem.tap.common.extensions.dispatchDebugErrorNotification
-import com.tangem.tap.common.extensions.dispatchOnMain
+import com.tangem.tap.common.extensions.dispatchWithMain
 import com.tangem.tap.common.extensions.inject
 import com.tangem.tap.proxy.redux.DaggerGraphState
 import com.tangem.tap.store
@@ -125,7 +126,7 @@ internal class TokensListMigration(
         val isNothingToDoWithBlockchain = blockchainsToAdd.isEmpty() && blockchainsToRemove.isEmpty()
         if (isNothingToDoWithTokens && isNothingToDoWithBlockchain) {
             store.dispatchDebugErrorNotification(message = "Nothing to save")
-            store.dispatchOnMain(NavigationAction.PopBackTo())
+            store.dispatchWithMain(NavigationAction.PopBackTo(screen = AppScreen.Wallet))
             return
         }
 
@@ -134,9 +135,8 @@ internal class TokensListMigration(
         derivePublicKeysUseCase(userWalletId = currentUserWallet.walletId, currencies = currencyList)
             .onRight {
                 addCryptoCurrenciesUseCase(userWalletId = currentUserWallet.walletId, currencies = currencyList)
-                store.dispatchOnMain(NavigationAction.PopBackTo())
             }
-            .onLeft { Timber.e("Failed to derive public keys: $it") }
+            .onLeft { Timber.e(it, "Failed to derive public keys") }
     }
 
     private suspend fun removeCurrenciesIfNeeded(userWalletId: UserWalletId, currencies: List<CryptoCurrency>) {

app/src/main/java/com/tangem/tap/features/tokens/impl/presentation/viewmodels/TokensListViewModel.kt

@@ -11,6 +11,8 @@ import androidx.lifecycle.viewModelScope
 import androidx.paging.*
 import com.tangem.blockchain.common.Blockchain
 import com.tangem.core.analytics.api.AnalyticsEventHandler
+import com.tangem.core.navigation.AppScreen
+import com.tangem.core.navigation.NavigationAction
 import com.tangem.core.ui.extensions.getActiveIconRes
 import com.tangem.core.ui.extensions.getGreyedOutIconRes
 import com.tangem.domain.card.DerivePublicKeysUseCase
@@ -24,6 +26,7 @@ import com.tangem.domain.tokens.AddCryptoCurrenciesUseCase
 import com.tangem.domain.tokens.GetCryptoCurrenciesUseCase
 import com.tangem.domain.tokens.TokenWithBlockchain
 import com.tangem.domain.wallets.usecase.GetSelectedWalletSyncUseCase
+import com.tangem.tap.common.extensions.dispatchWithMain
 import com.tangem.tap.common.extensions.fullNameWithoutTestnet
 import com.tangem.tap.common.extensions.getNetworkName
 import com.tangem.tap.features.tokens.impl.domain.TokensListInteractor
@@ -122,6 +125,7 @@ internal class TokensListViewModel @Inject constructor(
                 isDifferentAddressesBlockVisible = isDifferentAddressesBlockVisible(),
                 tokens = getInitialTokensList(),
                 onTokensLoadStateChanged = actionsHandler::onTokensLoadStateChanged,
+                isSavingInProgress = false,
                 onSaveButtonClick = actionsHandler::onSaveButtonClick,
             )
         } else {
@@ -308,13 +312,20 @@ internal class TokensListViewModel @Inject constructor(
         }
 
         fun onSaveButtonClick() {
+            val state = uiState as? TokensListStateHolder.ManageContent ?: return
+
             analyticsSender.sendWhenSaveButtonClicked()
 
             viewModelScope.launch(dispatchers.main) {
+                uiState = state.copy(isSavingInProgress = true)
+
                 tokensListMigration.onSaveButtonClick(
                     changedTokensList = changedTokensList,
                     changedBlockchainList = changedBlockchainList,
                 )
+
+                uiState = state.copy(isSavingInProgress = false)
+                store.dispatchWithMain(NavigationAction.PopBackTo(screen = AppScreen.Wallet))
             }
         }