better currency handling

app/src/main/java/net/helcel/cowspent/android/bill_edit/EditBillActivity.kt

@@ -27,6 +27,7 @@ import net.helcel.cowspent.persistence.CowspentSQLiteOpenHelper
 import net.helcel.cowspent.theme.ThemeUtils
 import net.helcel.cowspent.util.BillParser
 import net.helcel.cowspent.util.CategoryUtils
+import net.helcel.cowspent.util.SupportUtil
 import java.text.ParseException
 import java.time.ZoneId
 import java.util.Calendar
@@ -107,7 +108,8 @@ class EditBillActivity : AppCompatActivity() {
                             val createIntent = Intent(this@EditBillActivity, QrCodeScannerActivity::class.java)
                             scanQRCodeLauncher.launch(createIntent)
                         },
-                        onDelete = if (bill.id > 0) { { deleteBillAsked() } } else null,
+                        onDuplicate = if (!viewModel.isNewBill) { { duplicateCurrentBill() } } else null,
+                        onDelete = if (!viewModel.isNewBill) { { deleteBillAsked() } } else null,
                         accessLevel = db.getProject(bill.projectId)?.myAccessLevel ?: DBProject.ACCESS_LEVEL_ADMIN
                     )
                 }
@@ -191,6 +193,7 @@ class EditBillActivity : AppCompatActivity() {
             withContext(Dispatchers.Main) {
                 viewModel.currencies = currencies
                 viewModel.mainCurrencyName = project?.currencyName ?: ""
+                viewModel.isNewBill = (bill.id == 0L)
                 viewModel.initFromBill(bill, members, customSplits)
             }
         }
@@ -225,6 +228,19 @@ class EditBillActivity : AppCompatActivity() {
             }
         }
 
+    private fun duplicateCurrentBill() {
+        bill = DBBill(
+            0, 0, bill.projectId, viewModel.payerId, viewModel.amountAsDouble,
+            System.currentTimeMillis() / 1000, viewModel.what, DBBill.STATE_ADDED,
+            viewModel.repeat, bill.paymentMode, viewModel.categoryRemoteId,
+            viewModel.getFinalComment(), viewModel.paymentModeRemoteId
+        )
+        viewModel.timestamp = bill.timestamp
+        viewModel.isNewBill = true
+        
+        showToast(this, "Duplicating bill...")
+    }
+
     private fun onBack() {
         if (!valuesHaveChanged()) {
             finish()
@@ -298,9 +314,9 @@ class EditBillActivity : AppCompatActivity() {
 
         return !(bill.what == viewModel.what &&
                 bill.timestamp == viewModel.timestamp &&
-                bill.amount == viewModel.amountAsDouble &&
+                bill.amount == viewModel.getFinalAmount() &&
                 bill.payerId == viewModel.payerId &&
-                bill.comment == viewModel.comment &&
+                bill.comment == viewModel.getFinalComment() &&
                 bill.repeat == viewModel.repeat &&
                 bill.categoryRemoteId == viewModel.categoryRemoteId &&
                 bill.paymentModeRemoteId == viewModel.paymentModeRemoteId &&
@@ -312,13 +328,17 @@ class EditBillActivity : AppCompatActivity() {
         val isCustomSplit = viewModel.isCustomSplit
 
         if (isCustomSplit) {
-            val splits = viewModel.owersCustomSplit.filter { (id, amount) ->
+            val splits: Map<Long, Double> = viewModel.owersCustomSplit.filter { (id, amountStr) ->
-                viewModel.owersSelection[id] == true && (amount.replace(',', '.').toDoubleOrNull()
+                viewModel.owersSelection[id] == true && (amountStr.replace(',', '.').toDoubleOrNull()
                     ?: 0.0) > 0
-            }.mapValues { it.value.replace(',', '.').toDoubleOrNull() ?: 0.0 }
+            }.mapValues { 
+                val uiAmount = it.value.replace(',', '.').toDoubleOrNull() ?: 0.0
+                SupportUtil.round2(uiAmount / viewModel.selectedCurrencyRate)
+            }
 
             if (splits.isEmpty()) return@withContext 0L
-
+            
+            val finalComment = viewModel.getFinalComment()
             val splitEntries = splits.entries.toList()
 
             // Pool of existing bills in this group that we can potentially reuse
@@ -360,7 +380,7 @@ class EditBillActivity : AppCompatActivity() {
                         existingBill.paymentMode,
                         viewModel.paymentModeRemoteId,
                         viewModel.categoryRemoteId,
-                        viewModel.comment
+                        finalComment
                     )
                     if (firstSavedId == 0L) firstSavedId = billToUseId
                 } else {
@@ -368,7 +388,7 @@ class EditBillActivity : AppCompatActivity() {
                     val newBill = DBBill(
                         0, 0, bill.projectId, viewModel.payerId, amount,
                         viewModel.timestamp, viewModel.what, DBBill.STATE_ADDED, viewModel.repeat,
-                        bill.paymentMode, viewModel.categoryRemoteId, viewModel.comment, viewModel.paymentModeRemoteId
+                        bill.paymentMode, viewModel.categoryRemoteId, finalComment, viewModel.paymentModeRemoteId
                     )
                     newBill.billOwers = listOf(DBBillOwer(0, 0, memberId))
                     val newId = db.addBill(newBill)
@@ -398,7 +418,8 @@ class EditBillActivity : AppCompatActivity() {
 
             return@withContext firstSavedId
         } else {
-            val newAmount = viewModel.amountAsDouble
+            val newAmount = viewModel.getFinalAmount()
+            val finalComment = viewModel.getFinalComment()
             val newOwersIds = viewModel.getOwersIds()
 
             if (bill.id != 0L) {
@@ -414,7 +435,7 @@ class EditBillActivity : AppCompatActivity() {
                         bill.paymentMode,
                         viewModel.paymentModeRemoteId,
                         viewModel.categoryRemoteId,
-                        viewModel.comment
+                        finalComment
                     )
                     if (groupedBillIds != null) {
                         for (id in groupedBillIds) {
@@ -431,7 +452,7 @@ class EditBillActivity : AppCompatActivity() {
                 val newBill = DBBill(
                     0, 0, bill.projectId, viewModel.payerId, newAmount,
                     viewModel.timestamp, viewModel.what, DBBill.STATE_ADDED, viewModel.repeat,
-                    bill.paymentMode, viewModel.categoryRemoteId, viewModel.comment, viewModel.paymentModeRemoteId
+                    bill.paymentMode, viewModel.categoryRemoteId, finalComment, viewModel.paymentModeRemoteId
                 )
                 newOwersIds.forEach { newBill.billOwers += DBBillOwer(0, 0, it) }
                 val newBillId = db.addBill(newBill)

app/src/main/java/net/helcel/cowspent/android/bill_edit/EditBillScreen.kt

@@ -45,6 +45,7 @@ fun EditBillScreen(
     onDateClick: () -> Unit,
     onTimeClick: () -> Unit,
     onScan: () -> Unit,
+    onDuplicate: (() -> Unit)? = null,
     onDelete: (() -> Unit)? = null,
     accessLevel: Int = DBProject.ACCESS_LEVEL_ADMIN
 ) {
@@ -59,7 +60,7 @@ fun EditBillScreen(
     Scaffold(
         topBar = {
             TopAppBar(
-                title = { Text(stringResource(if (viewModel.what.isEmpty()) R.string.simple_new_bill else R.string.simple_edit_bill)) },
+                title = { Text(stringResource(if (viewModel.isNewBill) R.string.simple_new_bill else R.string.simple_edit_bill)) },
                 navigationIcon = {
                     IconButton(onClick = onBack) {
                         Icon(Icons.AutoMirrored.Filled.ArrowBack, contentDescription = null)
@@ -70,6 +71,11 @@ fun EditBillScreen(
                         IconButton(onClick = onScan) {
                             Icon(Icons.Default.QrCodeScanner, contentDescription = null)
                         }
+                        if (onDuplicate != null) {
+                            IconButton(onClick = onDuplicate) {
+                                Icon(Icons.Default.ContentCopy, contentDescription = "Duplicate")
+                            }
+                        }
                         if (onDelete != null) {
                             IconButton(onClick = onDelete) {
                                 Icon(Icons.Default.Delete, contentDescription = stringResource(R.string.action_delete))
@@ -160,7 +166,6 @@ fun BillBasicInfoSection(
     val context = LocalContext.current
     val currencyDialogTitle =
         stringResource(R.string.currency_dialog_title, viewModel.mainCurrencyName)
-    val noCurrencyError = stringResource(R.string.no_currency_error)
 
     OutlinedTextField(
         value = viewModel.what,
@@ -182,25 +187,37 @@ fun BillBasicInfoSection(
         enabled = canEdit,
         placeholder = { Text("0") },
         modifier = Modifier.fillMaxWidth(),
-        leadingIcon = { Icon(Icons.Default.AttachMoney, contentDescription = null) },
+        leadingIcon = {
+            val currencyToShow = viewModel.selectedCurrencyName.ifEmpty { viewModel.mainCurrencyName }
+            TextIconDisplay(
+                textIcon = TextIcon.Symbol(currencyToShow),
+                tint = MaterialTheme.colors.onSurface.copy(alpha = 0.6f)
+            )
+        },
         trailingIcon = {
             IconButton(
                 enabled = canEdit,
                 onClick = {
-                    if (viewModel.currencies.isNotEmpty()) {
+                    val mainLabel = viewModel.mainCurrencyName.ifEmpty { "Main" }
-                        viewModel.showDialog(
+                    val options = listOf("$mainLabel | Base") + viewModel.currencies.map { 
-                            title = currencyDialogTitle,
+                        "${it.name} | 1 $mainLabel = ${it.exchangeRate} ${it.name}" 
-                            items = viewModel.currencies.map { "${it.name} (${it.exchangeRate})" },
-                            onItemSelected = { index ->
-                                viewModel.convertCurrency(viewModel.currencies[index])
-                            }
-                        )
-                    } else {
-                        showToast(context, noCurrencyError)
                     }
+                    viewModel.showDialog(
+                        title = currencyDialogTitle,
+                        items = options,
+                        onItemSelected = { index ->
+                            if (index == 0) {
+                                viewModel.selectedCurrencyName = ""
+                                viewModel.selectedCurrencyRate = 1.0
+                                viewModel.updateSplits()
+                            } else {
+                                viewModel.convertCurrency(viewModel.currencies[index - 1])
+                            }
+                        }
+                    )
                 }
             ) {
-                Icon(Icons.Default.CurrencyExchange, contentDescription = null)
+                Icon(Icons.Default.SwapHoriz, contentDescription = null)
             }
         },
         keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number)
@@ -587,6 +604,7 @@ fun EditBillScreenPreview() {
             viewModel = EditBillViewModel().apply {
                 what = "Pizza"
                 amount = "12.50"
+                mainCurrencyName = "EUR"
                 members = listOf(
                     DBMember(1, 0, 0, "Alice", true, 1.0, 0, null, null, null, null, null),
                     DBMember(2, 0, 0, "Bob", true, 1.0, 0, null, null, null, null, null)

app/src/main/java/net/helcel/cowspent/android/bill_edit/EditBillViewModel.kt

@@ -25,9 +25,12 @@ class EditBillViewModel : ViewModel() {
     var repeat by mutableStateOf(DBBill.NON_REPEATED)
     var paymentModeRemoteId by mutableIntStateOf(0)
     var categoryRemoteId by mutableIntStateOf(0)
+    var isNewBill by mutableStateOf(false)
 
     var currencies by mutableStateOf<List<DBCurrency>>(emptyList())
     var mainCurrencyName by mutableStateOf("")
+    var selectedCurrencyName by mutableStateOf("")
+    var selectedCurrencyRate by mutableStateOf(1.0)
     var members by mutableStateOf<List<DBMember>>(emptyList())
 
     var owersSelection = mutableStateMapOf<Long, Boolean>()
@@ -128,46 +131,77 @@ class EditBillViewModel : ViewModel() {
     }
 
     fun convertCurrency(currency: DBCurrency) {
-        val originalAmountStr = amount
+        if (amountAsDouble == 0.0) return
-        val originalAmount = amountAsDouble
-        if (originalAmount == 0.0) return
-
-        val newAmount = originalAmount / currency.exchangeRate
-        amount = SupportUtil.round2(newAmount).toString()
-
-        val currencyLabel = currency.name ?: ""
-        val conversionNote = "($originalAmountStr $currencyLabel)"
-        if (!comment.contains(conversionNote)) {
-            if (comment.isNotEmpty() && !comment.endsWith(" ")) {
-                comment += " "
-            }
-            comment += conversionNote
-        }
-
-        if (isCustomSplit) {
-            owersCustomSplit.keys.toList().forEach { id ->
-                val value = owersCustomSplit[id] ?: ""
-                val partAmount = value.replace(',', '.').toDoubleOrNull() ?: 0.0
-                if (partAmount != 0.0) {
-                    val newPartAmount = partAmount / currency.exchangeRate
-                    owersCustomSplit[id] = SupportUtil.round2(newPartAmount).toString()
-                }
-            }
-        }
 
+        selectedCurrencyName = currency.name ?: ""
+        selectedCurrencyRate = currency.exchangeRate
+        
+        // We don't change 'amount' here anymore as per request.
+        // It stays as the original amount.
+        
         updateSplits()
     }
 
+    fun getFinalAmount(): Double {
+        return SupportUtil.round2(amountAsDouble / selectedCurrencyRate)
+    }
+
+    fun getFinalComment(): String {
+        var baseComment = comment
+        val regex = "\\s*#[^:]+:[\\d.,]+@[\\d.,]+".toRegex()
+        baseComment = baseComment.replace(regex, "").trim()
+        
+        return if (selectedCurrencyName.isNotEmpty() && selectedCurrencyRate != 1.0) {
+            val metadata = "#$selectedCurrencyName:$amount@$selectedCurrencyRate"
+            if (baseComment.isEmpty()) metadata else "$baseComment $metadata"
+        } else {
+            baseComment
+        }
+    }
+
     fun initFromBill(bill: DBBill, members: List<DBMember>, customSplits: Map<Long, Double>? = null) {
         this.members = members
         what = bill.what
-        amount = if (bill.amount == 0.0) "" else bill.amount.toString()
-        comment = bill.comment ?: ""
         timestamp = bill.timestamp
         payerId = bill.payerId
         repeat = bill.repeat ?: DBBill.NON_REPEATED
         paymentModeRemoteId = bill.paymentModeRemoteId
         categoryRemoteId = bill.categoryRemoteId
+        
+        val rawComment = bill.comment ?: ""
+        
+        // Try to parse existing conversion metadata #CURR:ORIG@RATE
+        // Using [^:]+ for currency name to support symbols and names with spaces
+        val regex = "#([^:]+):([\\d.,]+)@([\\d.,]+)".toRegex()
+        val match = regex.find(rawComment)
+        
+        if (match != null) {
+            val (currName, origAmount, rate) = match.destructured
+            selectedCurrencyName = currName
+            selectedCurrencyRate = rate.replace(',', '.').toDoubleOrNull() ?: 1.0
+            amount = origAmount
+            comment = rawComment.replace(match.value, "").trim()
+            
+            // Check if latest rate is different
+            val latestCurrency = currencies.find { it.name == selectedCurrencyName }
+            if (latestCurrency != null && latestCurrency.exchangeRate != selectedCurrencyRate) {
+                showDialog(
+                    title = "Update Exchange Rate?",
+                    message = "The exchange rate for $selectedCurrencyName has changed from $selectedCurrencyRate to ${latestCurrency.exchangeRate}. Do you want to update the conversion for the saved total?",
+                    positiveText = "Update Rate",
+                    negativeText = "Keep Old",
+                    onConfirm = {
+                        selectedCurrencyRate = latestCurrency.exchangeRate
+                        updateSplits()
+                    }
+                )
+            }
+        } else {
+            selectedCurrencyName = ""
+            selectedCurrencyRate = 1.0
+            amount = if (bill.amount == 0.0) "" else bill.amount.toString()
+            comment = rawComment
+        }
 
         owersSelection.clear()
         owersCustomSplit.clear()
@@ -178,13 +212,23 @@ class EditBillViewModel : ViewModel() {
                 val selected = customSplits.containsKey(member.id)
                 owersSelection[member.id] = selected
                 if (selected) {
-                    owersCustomSplit[member.id] = SupportUtil.round2(customSplits[member.id]!!).toString()
+                    // If we have metadata, the custom splits from DB are also converted. 
+                    // We should show them as "Original" if possible? 
+                    // Actually, if we use metadata, we should probably store original splits too, 
+                    // but for now let's just reverse the rate for display.
+                    val dbPart = customSplits[member.id]!!
+                    val uiPart = if (selectedCurrencyRate != 1.0) dbPart * selectedCurrencyRate else dbPart
+                    owersCustomSplit[member.id] = SupportUtil.round2(uiPart).toString()
                 }
             }
         } else {
+            // Even split logic
             val billOwerIds = bill.billOwersIds
             val selectedCount = billOwerIds.size
-            val evenSplit = if (selectedCount > 0) bill.amount / selectedCount else 0.0
+            
+            // Use UI amount for even split calculation
+            val uiAmount = amountAsDouble
+            val evenSplit = if (selectedCount > 0) uiAmount / selectedCount else 0.0
             val evenSplitStr = if (evenSplit == 0.0) "" else SupportUtil.round2(evenSplit).toString()
 
             for (member in members) {

app/src/main/java/net/helcel/cowspent/android/currencies/ManageCurrenciesActivity.kt

@@ -15,6 +15,7 @@ import net.helcel.cowspent.R
 import net.helcel.cowspent.android.helper.showToast
 import net.helcel.cowspent.model.DBBill
 import net.helcel.cowspent.model.DBCurrency
+import net.helcel.cowspent.model.ProjectType
 import net.helcel.cowspent.persistence.CowspentSQLiteOpenHelper
 import net.helcel.cowspent.theme.ThemeUtils
 import net.helcel.cowspent.util.ICallback
@@ -86,11 +87,17 @@ class ManageCurrenciesActivity : AppCompatActivity() {
                 val project = db!!.getProject(selectedProjectID)
                 if (project != null) {
                     db!!.syncIfRemote(project)
-                    withContext(Dispatchers.Main) {
+                    if (project.type == ProjectType.COSPEND) {
-                        if (!db!!.cowspentServerSyncHelper
+                        withContext(Dispatchers.Main) {
-                                .editRemoteProject(selectedProjectID, project.name, null, null, newMainCurrencyName, editMainCurrencyCallBack)
+                            if (!db!!.cowspentServerSyncHelper
-                        ) {
+                                    .editRemoteProject(selectedProjectID, project.name, null, null, newMainCurrencyName, editMainCurrencyCallBack)
-                            showToast(this@ManageCurrenciesActivity, getString(R.string.remote_project_operation_no_network), Toast.LENGTH_LONG)
+                            ) {
+                                showToast(this@ManageCurrenciesActivity, getString(R.string.remote_project_operation_no_network), Toast.LENGTH_LONG)
+                            }
+                        }
+                    } else {
+                        withContext(Dispatchers.Main) {
+                            showToast(this@ManageCurrenciesActivity, getString(R.string.currency_saved_success), Toast.LENGTH_LONG)
                         }
                     }
                 }

app/src/main/java/net/helcel/cowspent/android/currencies/ManageCurrenciesScreen.kt

@@ -4,6 +4,7 @@ import android.annotation.SuppressLint
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.*
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.ArrowBack
@@ -12,6 +13,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import net.helcel.cowspent.R
@@ -93,19 +95,42 @@ fun ManageCurrenciesScreen(
             Spacer(modifier = Modifier.height(24.dp))
 
             Text(stringResource(R.string.add_currency_title), style = MaterialTheme.typography.h6)
+            
+            // Visual relationship indicator
+            Surface(
+                color = MaterialTheme.colors.primary.copy(alpha = 0.05f),
+                shape = RoundedCornerShape(8.dp),
+                modifier = Modifier.fillMaxWidth().padding(vertical = 8.dp)
+            ) {
+                Row(
+                    modifier = Modifier.padding(12.dp),
+                    verticalAlignment = Alignment.CenterVertically,
+                    horizontalArrangement = Arrangement.Center
+                ) {
+                    Text("1 ", style = MaterialTheme.typography.body1)
+                    Text(viewModel.mainCurrencyName.ifEmpty { "Base" }, fontWeight = FontWeight.Bold)
+                    Text(" = ", style = MaterialTheme.typography.h6)
+                    Text(viewModel.newCurrencyRate.ifEmpty { "0.0" }, fontWeight = FontWeight.Bold, color = MaterialTheme.colors.primary)
+                    Text(" ")
+                    Text(viewModel.newCurrencyName.ifEmpty { "Currency" }, fontWeight = FontWeight.Bold)
+                }
+            }
+
             Row(verticalAlignment = Alignment.CenterVertically) {
                 OutlinedTextField(
                     value = viewModel.newCurrencyName,
                     onValueChange = { viewModel.newCurrencyName = it },
                     label = { Text(stringResource(R.string.currency_edit_name)) },
-                    modifier = Modifier.weight(1f)
+                    modifier = Modifier.weight(1f),
+                    placeholder = { Text("e.g. USD") }
                 )
                 Spacer(modifier = Modifier.width(8.dp))
                 OutlinedTextField(
                     value = viewModel.newCurrencyRate,
                     onValueChange = { viewModel.newCurrencyRate = it },
                     label = { Text(stringResource(R.string.currency_rate)) },
-                    modifier = Modifier.weight(1f)
+                    modifier = Modifier.weight(1f),
+                    placeholder = { Text("1.0") }
                 )
             }
             Spacer(modifier = Modifier.height(8.dp))
@@ -121,7 +146,7 @@ fun ManageCurrenciesScreen(
 
             LazyColumn(modifier = Modifier.weight(1f)) {
                 items(viewModel.currencies) { currency ->
-                    CurrencyRow(currency, onDelete = { onDelete(currency) })
+                    CurrencyRow(currency, viewModel.mainCurrencyName, onDelete = { onDelete(currency) })
                 }
             }
         }
@@ -129,15 +154,47 @@ fun ManageCurrenciesScreen(
 }
 
 @Composable
-fun CurrencyRow(currency: DBCurrency, onDelete: () -> Unit) {
+fun CurrencyRow(currency: DBCurrency, mainCurrencyName: String, onDelete: () -> Unit) {
     Row(
-        modifier = Modifier.fillMaxWidth().padding(vertical = 8.dp),
+        modifier = Modifier.fillMaxWidth().padding(vertical = 12.dp),
         verticalAlignment = Alignment.CenterVertically
     ) {
-        Column(modifier = Modifier.weight(1f)) {
+        // Table-like layout
-            Text(currency.name ?: "", style = MaterialTheme.typography.subtitle1)
+        Row(
-            Text("Rate: ${currency.exchangeRate}", style = MaterialTheme.typography.caption)
+            modifier = Modifier.weight(1f),
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            Text(
+                text = "1 ",
+                style = MaterialTheme.typography.body1,
+                color = MaterialTheme.colors.onSurface.copy(alpha = 0.6f)
+            )
+            Text(
+                text = mainCurrencyName,
+                style = MaterialTheme.typography.body1,
+                fontWeight = FontWeight.Bold
+            )
+            Text(
+                text = " = ",
+                style = MaterialTheme.typography.h6,
+                color = MaterialTheme.colors.primary,
+                modifier = Modifier.padding(horizontal = 8.dp)
+            )
+            Column {
+                Text(
+                    text = currency.exchangeRate.toString(),
+                    style = MaterialTheme.typography.body1,
+                    fontWeight = FontWeight.ExtraBold
+                )
+                Text(
+                    text = currency.name ?: "",
+                    style = MaterialTheme.typography.caption,
+                    fontWeight = FontWeight.Bold,
+                    color = MaterialTheme.colors.onSurface.copy(alpha = 0.6f)
+                )
+            }
         }
+        
         IconButton(onClick = onDelete) {
             Icon(Icons.Default.Delete, contentDescription = null, tint = MaterialTheme.colors.error)
         }
@@ -151,6 +208,7 @@ fun CurrencyRowPreview() {
     MaterialTheme {
         CurrencyRow(
             currency = DBCurrency(1, 0, 0, "USD", 1.0, 0),
+            mainCurrencyName = "EUR",
             onDelete = {}
         )
     }

app/src/main/java/net/helcel/cowspent/android/drawer/Drawer.kt

@@ -11,6 +11,7 @@ import androidx.compose.material.*
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.*
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.scale
@@ -26,6 +27,8 @@ import net.helcel.cowspent.R
 import net.helcel.cowspent.android.helper.UserAvatar
 import net.helcel.cowspent.android.helper.formatBalance
 import net.helcel.cowspent.android.helper.lazyVerticalScrollbar
+import net.helcel.cowspent.android.helper.TextIcon
+import net.helcel.cowspent.android.helper.TextIconDisplay
 import net.helcel.cowspent.model.DBMember
 import net.helcel.cowspent.model.DBProject
 import net.helcel.cowspent.model.ProjectType
@@ -38,6 +41,7 @@ fun Drawer(
     selectedProjectId: Long,
     selectedMemberId: Long?,
     lastSyncText: String,
+    mainCurrency: String? = null,
     showArchived: Boolean = false,
     onProjectClick: (Long) -> Unit,
     onProjectOptionsClick: (Long) -> Unit,
@@ -96,22 +100,37 @@ fun Drawer(
 
                 // Members Section
                 val membersState = rememberLazyListState()
+                val sortedMembers = remember(members, memberBalances) {
+                    members.sortedWith(compareBy<DBMember> {
+                        val balance = memberBalances[it.id] ?: 0.0
+                        when {
+                            balance > 0.01 -> 0
+                            balance < -0.01 -> 1
+                            else -> 2
+                        }
+                    }.thenBy {
+                        val balance = memberBalances[it.id] ?: 0.0
+                        if (balance > 0.01) -balance else balance
+                    }.thenBy { it.name })
+                }
+
                 LazyColumn(
                     state = membersState,
                     modifier = Modifier
                         .heightIn(max = maxBottomHeight)
                         .lazyVerticalScrollbar(membersState)
                 ) {
-                    if (members.isNotEmpty()) {
+                    if (sortedMembers.isNotEmpty()) {
                         item {
                             DrawerItem(
                                 icon = Icons.Default.Receipt,
                                 text = stringResource(R.string.label_all_bills),
+                                secondaryText = mainCurrency,
                                 selected = selectedMemberId == null,
                                 onClick = { onMemberClick(null) }
                             )
                         }
-                        items(members) { member ->
+                        items(sortedMembers) { member ->
                             val balance = memberBalances[member.id] ?: 0.0
                             MemberDrawerItem(
                                 member = member,
@@ -241,6 +260,7 @@ fun DrawerItem(
     member: DBMember? = null,
     text: String? = null,
     balanceText: String? = null,
+    secondaryText: String? = null,
     balanceColor: Color = Color.Unspecified,
     selected: Boolean = false,
     alpha: Float = 1f,
@@ -294,6 +314,17 @@ fun DrawerItem(
                 modifier = Modifier.padding(end = 8.dp)
             )
         }
+
+        if (secondaryText != null) {
+            Box(modifier = Modifier
+                .padding(end = 8.dp)
+           ) {
+                TextIconDisplay(
+                    textIcon = TextIcon.Symbol(secondaryText),
+                    tint = contentColor.copy(alpha = 0.6f)
+                )
+            }
+        }
         
         if (onSecondaryClick != null) {
             IconButton(onClick = onSecondaryClick) {
@@ -340,6 +371,7 @@ fun DrawerPreview() {
             selectedProjectId = 1,
             selectedMemberId = null,
             lastSyncText = "Last sync: 5 mins ago",
+            mainCurrency = "EUR",
             onProjectClick = {},
             onProjectOptionsClick = {},
             onMemberClick = {},

app/src/main/java/net/helcel/cowspent/android/helper/AlertDialog.kt

@@ -11,6 +11,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 
@@ -128,10 +129,32 @@ fun AlertDialog(
                                             )
                                             Spacer(Modifier.width(16.dp))
                                         }
-                                        Text(
+                                        
-                                            text = item.toString(),
+                                        val text = item.toString()
-                                            style = MaterialTheme.typography.body1
+                                        if (text.contains("|")) {
-                                        )
+                                            val parts = text.split("|")
+                                            Row(
+                                                modifier = Modifier.fillMaxWidth(),
+                                                horizontalArrangement = Arrangement.SpaceBetween,
+                                                verticalAlignment = Alignment.CenterVertically
+                                            ) {
+                                                Text(
+                                                    text = parts[0].trim(),
+                                                    style = MaterialTheme.typography.body1,
+                                                    fontWeight = FontWeight.Bold
+                                                )
+                                                Text(
+                                                    text = parts[1].trim(),
+                                                    style = MaterialTheme.typography.body2,
+                                                    color = MaterialTheme.colors.onSurface.copy(alpha = 0.6f)
+                                                )
+                                            }
+                                        } else {
+                                            Text(
+                                                text = text,
+                                                style = MaterialTheme.typography.body1
+                                            )
+                                        }
                                     }
                                 }
                             }
@@ -234,10 +257,32 @@ fun AlertDialogContent(
                                         )
                                         Spacer(Modifier.width(16.dp))
                                     }
-                                    Text(
+                                    
-                                        text = item.toString(),
+                                    val text = item.toString()
-                                        style = MaterialTheme.typography.body1
+                                    if (text.contains("|")) {
-                                    )
+                                        val parts = text.split("|")
+                                        Row(
+                                            modifier = Modifier.fillMaxWidth(),
+                                            horizontalArrangement = Arrangement.SpaceBetween,
+                                            verticalAlignment = Alignment.CenterVertically
+                                        ) {
+                                            Text(
+                                                text = parts[0].trim(),
+                                                style = MaterialTheme.typography.body1,
+                                                fontWeight = FontWeight.Bold
+                                            )
+                                            Text(
+                                                text = parts[1].trim(),
+                                                style = MaterialTheme.typography.body2,
+                                                color = MaterialTheme.colors.onSurface.copy(alpha = 0.6f)
+                                            )
+                                        }
+                                    } else {
+                                        Text(
+                                            text = text,
+                                            style = MaterialTheme.typography.body1
+                                        )
+                                    }
                                 }
                             }
                         }

app/src/main/java/net/helcel/cowspent/android/helper/IconUtils.kt

@@ -0,0 +1,33 @@
+package net.helcel.cowspent.android.helper
+
+import androidx.compose.material.LocalContentColor
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.font.FontWeight
+
+sealed class TextIcon {
+    data class Symbol(val text: String) : TextIcon()
+}
+
+/**
+ * A helper Composable to display a [TextIcon].
+ */
+@Composable
+fun TextIconDisplay(
+    textIcon: TextIcon,
+    modifier: Modifier = Modifier,
+    tint: Color = LocalContentColor.current
+) {
+    when (textIcon) {
+        is TextIcon.Symbol -> Text(
+            text = textIcon.text,
+            modifier = modifier,
+            color = tint,
+            style = MaterialTheme.typography.body1,
+            fontWeight = FontWeight.Bold
+        )
+    }
+}

app/src/main/java/net/helcel/cowspent/android/main/BillsListViewActivity.kt

@@ -444,11 +444,11 @@ class BillsListViewActivity :
     fun onManageCurrenciesClick(projectId: Long) {
         lifecycleScope.launch {
             val proj = withContext(Dispatchers.IO) { db.getProject(projectId) }
-            if (proj != null && proj.type == ProjectType.COSPEND) {
+            if (proj != null) {
                 startActivity(Intent(applicationContext, ManageCurrenciesActivity::class.java).apply {
                     putExtra(ManageCurrenciesActivity.EXTRA_PROJECT_ID, projectId)
                 })
-            } else showToast(this@BillsListViewActivity, getString(R.string.currency_management_unavailable))
+            }
         }
     }
 

app/src/main/java/net/helcel/cowspent/persistence/CowspentSQLiteOpenHelper.kt

@@ -553,7 +553,11 @@ class CowspentSQLiteOpenHelper private constructor(val context: Context) :
     }
 
     fun getCurrencies(projectId: Long): List<DBCurrency> {
-        return getCurrenciesCustom("$key_projectid = ?", arrayOf(projectId.toString()), null)
+        return getCurrenciesCustom(
+            "$key_projectid = ? AND $key_state != ?",
+            arrayOf(projectId.toString(), DBBill.STATE_DELETED.toString()),
+            null
+        )
     }
 
     @WorkerThread