demo: add new tab with copyable address

demo/android/src/main/kotlin/im/molly/monero/demo/ui/WalletCard.kt

@@ -7,19 +7,13 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.material3.Card
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.viewmodel.compose.viewModel
-import im.molly.monero.Balance
-import im.molly.monero.Ledger
-import im.molly.monero.demo.data.model.WalletConfig
-import im.molly.monero.demo.ui.theme.AppTheme
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable

demo/android/src/main/kotlin/im/molly/monero/demo/ui/WalletScreen.kt

@@ -2,6 +2,7 @@ package im.molly.monero.demo.ui
 
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
 import androidx.compose.runtime.saveable.rememberSaveable
@@ -15,12 +16,14 @@ import androidx.compose.ui.text.withStyle
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.tooling.preview.PreviewParameter
 import androidx.compose.ui.tooling.preview.PreviewParameterProvider
+import androidx.compose.ui.unit.dp
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.viewmodel.compose.viewModel
 import im.molly.monero.Ledger
 import im.molly.monero.MoneroCurrency
 import im.molly.monero.PublicAddress
 import im.molly.monero.demo.data.model.WalletConfig
+import im.molly.monero.demo.ui.component.CopyableText
 import im.molly.monero.demo.ui.component.Toolbar
 import im.molly.monero.demo.ui.preview.PreviewParameterData
 import im.molly.monero.demo.ui.theme.AppIcons
@@ -114,18 +117,53 @@ private fun WalletScreenLoaded(
             var selectedTabIndex by rememberSaveable { mutableStateOf(0) }
 
             WalletHeaderTabs(
-                titles = listOf("Balance", "Transactions"),
+                titles = listOf("Balance", "Send", "Receive", "History"),
                 selectedTabIndex = selectedTabIndex,
                 onTabSelected = { index -> selectedTabIndex = index },
             )
 
             when (selectedTabIndex) {
                 0 -> {
-                    WalletBalanceView(balance = uiState.balance, blockchainTime = uiState.blockchainTime)
+                    WalletBalanceView(
+                        balance = uiState.balance,
+                        blockchainTime = uiState.blockchainTime
+                    )
                 }
 
-                1 -> {
+                1 -> {} // TODO
-                    LazyColumn {
+
+                2 -> {
+                    Column(
+                        modifier = modifier
+                            .fillMaxWidth()
+                            .padding(16.dp)
+                    ) {
+                        Text(
+                            text = "Primary address",
+                            style = MaterialTheme.typography.labelMedium,
+                        )
+                        CopyableText(
+                            text = uiState.config.publicAddress,
+                            style = MaterialTheme.typography.bodyMedium,
+                        )
+                    }
+                }
+
+                3 -> {
+                    val scrollState = rememberLazyListState()
+
+                    var lastTxId by remember { mutableStateOf("") }
+                    lastTxId = uiState.transactions.firstOrNull()?.transaction?.txId ?: ""
+
+                    LaunchedEffect(lastTxId) {
+                        if (uiState.transactions.isNotEmpty()) {
+                            scrollState.scrollToItem(0)
+                        }
+                    }
+
+                    LazyColumn(
+                        state = scrollState,
+                    ) {
                         transactionCardItems(
                             items = uiState.transactions,
                             onTransactionClick = onTransactionClick,

demo/android/src/main/kotlin/im/molly/monero/demo/ui/component/CopyableText.kt

@@ -0,0 +1,34 @@
+package im.molly.monero.demo.ui.component
+
+import android.widget.Toast
+import androidx.compose.foundation.ExperimentalFoundationApi
+import androidx.compose.foundation.combinedClickable
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalClipboardManager
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.AnnotatedString
+import androidx.compose.ui.text.TextStyle
+
+@OptIn(ExperimentalFoundationApi::class)
+@Composable
+fun CopyableText(
+    text: String,
+    style: TextStyle,
+) {
+    val context = LocalContext.current
+    val clipboardManager = LocalClipboardManager.current
+
+    Text(
+        text = text,
+        style = style,
+        modifier = Modifier.combinedClickable(
+            onClick = {},
+            onLongClick = {
+                clipboardManager.setText(AnnotatedString(text))
+                Toast.makeText(context, "Text copied to clipboard", Toast.LENGTH_SHORT).show()
+            },
+        ),
+    )
+}