Updated on 2026-08-14

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

@@ -19,9 +19,15 @@ import androidx.compose.material.FabPosition
 import androidx.compose.material.Scaffold
 import androidx.compose.material.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.ExperimentalComposeUiApi
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.layout.onSizeChanged
+import androidx.compose.ui.platform.LocalDensity
 import androidx.compose.ui.platform.LocalSoftwareKeyboardController
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.AnnotatedString
@@ -29,9 +35,10 @@ import androidx.compose.ui.text.SpanStyle
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.tooling.preview.Preview
-import androidx.compose.ui.unit.ExperimentalUnitApi
+import androidx.compose.ui.unit.Dp
 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.LazyPagingItems
 import androidx.paging.compose.collectAsLazyPagingItems
@@ -44,27 +51,46 @@ import com.tangem.tap.features.tokens.impl.presentation.states.TokensListStateHo
 import com.tangem.tap.features.tokens.impl.presentation.states.TokensListToolbarState
 import com.tangem.wallet.R
 import kotlinx.coroutines.flow.emptyFlow
-import kotlinx.coroutines.flow.flow
+import kotlinx.coroutines.flow.flowOf
 
 /**
+ * Tokens list screen
+ *
+ * @param stateHolder state holder
+ *
 [REDACTED_AUTHOR]
  */
 @Composable
 internal fun TokensListScreen(stateHolder: TokensListStateHolder) {
     BackHandler(onBack = stateHolder.toolbarState.onBackButtonClick)
 
+    var floatingButtonHeight by remember { mutableStateOf(value = 0.dp) }
+
     Scaffold(
         topBar = { TokensListToolbar(state = stateHolder.toolbarState) },
         floatingActionButton = {
             if (stateHolder is TokensListStateHolder.ManageContent) {
-                SaveChangesButton(onClick = stateHolder.onSaveButtonClick)
+                val density = LocalDensity.current
+                val verticalPadding = TangemTheme.dimens.spacing32
+
+                SaveChangesButton(
+                    onClick = stateHolder.onSaveButtonClick,
+                    modifier = Modifier.onSizeChanged {
+                        with(density) { floatingButtonHeight = it.height.toDp() + verticalPadding }
+                    },
+                )
             }
         },
         floatingActionButtonPosition = FabPosition.Center,
     ) { scaffoldPadding ->
         val tokens = stateHolder.tokens.collectAsLazyPagingItems()
 
-        TokensListContent(stateHolder.isDifferentAddressesBlockVisible, tokens, scaffoldPadding)
+        TokensListContent(
+            isDifferentAddressesBlockVisible = stateHolder.isDifferentAddressesBlockVisible,
+            tokens = tokens,
+            scaffoldPadding = scaffoldPadding,
+            bottomMarginDp = floatingButtonHeight,
+        )
 
         stateHolder.onTokensLoadStateChanged(tokens.loadState.refresh)
 
@@ -96,6 +122,7 @@ private fun TokensListContent(
     isDifferentAddressesBlockVisible: Boolean,
     tokens: LazyPagingItems<TokenItemState>,
     scaffoldPadding: PaddingValues,
+    bottomMarginDp: Dp,
 ) {
     val state = rememberLazyListState()
 
@@ -108,6 +135,7 @@ private fun TokensListContent(
             .fillMaxSize()
             .padding(scaffoldPadding),
         state = state,
+        contentPadding = PaddingValues(bottom = bottomMarginDp),
     ) {
         if (isDifferentAddressesBlockVisible) {
             item { DifferentAddressesWarning() }
@@ -119,7 +147,6 @@ private fun TokensListContent(
     }
 }
 
-@OptIn(ExperimentalUnitApi::class)
 @Composable
 private fun DifferentAddressesWarning() {
     Box(
@@ -159,9 +186,9 @@ private fun DifferentAddressesWarning() {
 }
 
 @Composable
-private fun SaveChangesButton(onClick: () -> Unit) {
+private fun SaveChangesButton(onClick: () -> Unit, modifier: Modifier = Modifier) {
     PrimaryButton(
-        modifier = Modifier
+        modifier = modifier
             .imePadding()
             .padding(horizontal = TangemTheme.dimens.spacing16)
             .fillMaxWidth(),
@@ -205,16 +232,11 @@ private fun Preview_TokensListScreen_Manage() {
                 ),
                 isLoading = false,
                 isDifferentAddressesBlockVisible = true,
-                tokens = flow {
-                    emit(
-                        PagingData.from(
-                            listOf(
-                                TokenListPreviewData.createManageToken(),
-                                TokenListPreviewData.createManageToken(),
-                            ),
-                        ),
-                    )
-                },
+                tokens = flowOf(
+                    PagingData.from(
+                        listOf(TokenListPreviewData.createManageToken()),
+                    ),
+                ),
                 onSaveButtonClick = {},
                 onTokensLoadStateChanged = {},
             ),
@@ -235,16 +257,11 @@ private fun Preview_TokensListScreen_Read() {
                 ),
                 isLoading = false,
                 isDifferentAddressesBlockVisible = false,
-                tokens = flow {
-                    emit(
-                        PagingData.from(
-                            listOf(
-                                TokenListPreviewData.createManageToken(),
-                                TokenListPreviewData.createManageToken(),
-                            ),
-                        ),
-                    )
-                },
+                tokens = flowOf(
+                    PagingData.from(
+                        listOf(TokenListPreviewData.createManageToken()),
+                    ),
+                ),
                 onTokensLoadStateChanged = {},
             ),
         )