fix navigation to reset goback

app/src/main/java/com/mob/utsmyanmar/ui/amount/AmountRoute.kt

@@ -0,0 +1,34 @@
+package com.mob.utsmyanmar.ui.amount
+
+import androidx.compose.runtime.Composable
+import com.mob.utsmyanmar.model.ProcessCode
+import com.mob.utsmyanmar.viewmodel.SharedViewModel
+import com.utsmyanmar.paylibs.utils.iso_utils.TransactionsType
+
+@Composable
+fun AmountRoute(
+    action: String,
+    sharedViewModel: SharedViewModel,
+    onBack: () -> Unit,
+    onNavigateCardWaiting: () -> Unit
+) {
+    val canGoBack = !action.equals("Sale", ignoreCase = true)
+
+    AmountScreen(
+        action = action,
+        canGoBack = canGoBack,
+        onBackClick = onBack,
+        onCancelClick = onBack,
+        onNextClick = { amount ->
+            sharedViewModel.amount.value = amount
+            sharedViewModel.setAmountExist(true)
+            sharedViewModel.setCardDataExist(false)
+            sharedViewModel.setTransMenu(null)
+            sharedViewModel.transactionsType.value = TransactionsType.SALE
+            sharedViewModel.processCode.value =
+                ProcessCode.SALE_PURCHASE + ProcessCode.SMART + ProcessCode.TO_ACCOUNT
+
+            onNavigateCardWaiting()
+        }
+    )
+}

app/src/main/java/com/mob/utsmyanmar/ui/amount/AmountScreen.kt

@@ -1,5 +1,6 @@
 package com.mob.utsmyanmar.ui.amount
 
+import androidx.activity.compose.BackHandler
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.rememberScrollState
@@ -32,10 +33,14 @@ import com.mob.utsmyanmar.R
 @Composable
 fun AmountScreen(
     action: String,
+    canGoBack: Boolean = true,
     onBackClick: () -> Unit,
     onCancelClick: () -> Unit = {},
     onNextClick: (String) -> Unit = {}
 ) {
+    BackHandler(enabled = canGoBack) {
+        onBackClick()
+    }
 
     var amount by remember {
         mutableStateOf("0")
@@ -53,13 +58,15 @@ fun AmountScreen(
                     )
                 },
                 navigationIcon = {
-                    IconButton(onClick = onBackClick) {
-                        Icon(
-                            painter = painterResource(R.drawable.ic_left_arrow),
-                            contentDescription = "Back",
-                            modifier = Modifier.size(24.dp),
-                            tint = White
-                        )
+                    if (canGoBack) {
+                        IconButton(onClick = onBackClick) {
+                            Icon(
+                                painter = painterResource(R.drawable.ic_left_arrow),
+                                contentDescription = "Back",
+                                modifier = Modifier.size(24.dp),
+                                tint = White
+                            )
+                        }
                     }
                 },
                 colors = TopAppBarDefaults.topAppBarColors(
@@ -104,31 +111,12 @@ fun AmountScreen(
                 horizontalArrangement = Arrangement.spacedBy(14.dp)
             ) {
 
-                Button(
-                    onClick = onCancelClick,
-                    modifier = Modifier
-                        .weight(1f)
-                        .height(68.dp),
-                    shape = RoundedCornerShape(18.dp),
-                    colors = ButtonDefaults.buttonColors(
-                        containerColor = White,
-                        contentColor = Primary
-                    ),
-                    border = ButtonDefaults.outlinedButtonBorder
-                ) {
-                    Text(
-                        text = "Cancel",
-                        fontSize = 20.sp,
-                        fontWeight = FontWeight.Bold
-                    )
-                }
-
                 Button(
                     onClick = {
                         onNextClick(normalizeAmount(amount))
                     },
                     modifier = Modifier
-                        .weight(1f)
+                        .weight(if (canGoBack) 1f else 2f)
                         .height(68.dp),
                     shape = RoundedCornerShape(18.dp),
                     colors = ButtonDefaults.buttonColors(
@@ -142,6 +130,27 @@ fun AmountScreen(
                         fontWeight = FontWeight.Bold
                     )
                 }
+
+                if (canGoBack) {
+                    Button(
+                        onClick = onCancelClick,
+                        modifier = Modifier
+                            .weight(1f)
+                            .height(68.dp),
+                        shape = RoundedCornerShape(18.dp),
+                        colors = ButtonDefaults.buttonColors(
+                            containerColor = White,
+                            contentColor = Primary
+                        ),
+                        border = ButtonDefaults.outlinedButtonBorder
+                    ) {
+                        Text(
+                            text = "Cancel",
+                            fontSize = 20.sp,
+                            fontWeight = FontWeight.Bold
+                        )
+                    }
+                }
             }
 
             Spacer(modifier = Modifier.height(12.dp))
@@ -356,6 +365,7 @@ private fun AmountScreenPreview() {
 
         AmountScreen(
             action = "Amount",
+            canGoBack = true,
             onBackClick = {}
         )
     }

app/src/main/java/com/mob/utsmyanmar/ui/cardwaiting/CardWaitingScreen.kt

@@ -74,7 +74,7 @@ fun CardWaitingScreen(
         }
     }
 
-    BackHandler {
+    BackHandler(enabled = uiState.canGoBack) {
         viewModel.onBackPressed()
     }
 
@@ -90,12 +90,14 @@ fun CardWaitingScreen(
                     )
                 },
                 navigationIcon = {
-                    IconButton(onClick = onBack) {
-                        Icon(
-                            painter = painterResource(R.drawable.ic_left_arrow),
-                            contentDescription = "Back",
-                            tint = White
-                        )
+                    if (uiState.canGoBack) {
+                        IconButton(onClick = onBack) {
+                            Icon(
+                                painter = painterResource(R.drawable.ic_left_arrow),
+                                contentDescription = "Back",
+                                tint = White
+                            )
+                        }
                     }
                 },
                 colors = TopAppBarDefaults.topAppBarColors(

app/src/main/java/com/mob/utsmyanmar/ui/cardwaiting/CardWaitingUiState.kt

@@ -3,5 +3,6 @@ package com.mob.utsmyanmar.ui.cardwaiting
 data class CardWaitingUiState(
     val alertMessage: String = "Please insert, tap, or swipe card",
     val isLoading: Boolean = false,
-    val isFallback: Boolean = false
+    val isFallback: Boolean = false,
+    val canGoBack: Boolean = true
 )

app/src/main/java/com/mob/utsmyanmar/ui/cardwaiting/CardWaitingViewModel.kt

@@ -61,6 +61,11 @@ class CardWaitingViewModel(
         retryCounter = 0
         fallbackCounter = SystemParamsOperation.getInstance().fallbackCounter
         fallbackEnabled = SystemParamsOperation.getInstance().fallbackEnabled
+        val isSaleTransaction = sharedViewModel.transactionsType.value == TransactionsType.SALE
+
+        _uiState.update {
+            it.copy(canGoBack = !isSaleTransaction)
+        }
 
         if (sharedViewModel.transactionsType.value == TransactionsType.REFUND) {
             sharedViewModel.enableCardStatusIcon(false, false, false, false)

app/src/main/java/com/mob/utsmyanmar/ui/dashboard/DashboardRoute.kt

@@ -0,0 +1,16 @@
+package com.mob.utsmyanmar.ui.dashboard
+
+import androidx.compose.runtime.Composable
+
+@Composable
+fun DashboardRoute(
+    onNavigateAmount: (String) -> Unit,
+    settlementEnabled: Boolean,
+    wavePayEnabled: Boolean,
+) {
+    DashboardScreen(
+        settlementEnabled = settlementEnabled,
+        wavePayEnabled = wavePayEnabled,
+        onNavigateAmount = onNavigateAmount
+    )
+}

app/src/main/java/com/mob/utsmyanmar/ui/dashboard/DashboardScreen.kt

@@ -29,17 +29,11 @@ import com.mob.utsmyanmar.ui.components.appbar.AppBar
 fun DashboardScreen(
     settlementEnabled: Boolean,
     wavePayEnabled: Boolean,
-    onAmountClick: (String) -> Unit,
-    onTransactionClick: () -> Unit,
-    onSettlementClick: () -> Unit,
-    onHistoryClick: () -> Unit,
-    onCardClick: () -> Unit,
-    onWavePayClick: () -> Unit
+    onNavigateAmount: (String) -> Unit
 ) {
     val drawerState = rememberDrawerState(initialValue = DrawerValue.Closed)
     val scope = rememberCoroutineScope()
 
-
     ModalNavigationDrawer(
         drawerState = drawerState,
         drawerContent = {
@@ -71,7 +65,6 @@ fun DashboardScreen(
                         .fillMaxWidth()
                         .clickable {
                             scope.launch { drawerState.close() }
-                            onTransactionClick()
                         }
                         .padding(horizontal = 24.dp, vertical = 14.dp),
                     fontSize = 16.sp
@@ -82,7 +75,6 @@ fun DashboardScreen(
                         .fillMaxWidth()
                         .clickable {
                             scope.launch { drawerState.close() }
-                            onHistoryClick()
                         }
                         .padding(horizontal = 24.dp, vertical = 14.dp),
                     fontSize = 16.sp
@@ -93,7 +85,6 @@ fun DashboardScreen(
                         .fillMaxWidth()
                         .clickable(enabled = settlementEnabled) {
                             scope.launch { drawerState.close() }
-                            onSettlementClick()
                         }
                         .padding(horizontal = 24.dp, vertical = 14.dp),
                     color = if (settlementEnabled) Black else White,
@@ -105,7 +96,6 @@ fun DashboardScreen(
                         .fillMaxWidth()
                         .clickable(enabled = wavePayEnabled) {
                             scope.launch { drawerState.close() }
-                            onWavePayClick()
                         }
                         .padding(horizontal = 24.dp, vertical = 14.dp),
                     color = if (wavePayEnabled) Black else White,
@@ -176,7 +166,7 @@ fun DashboardScreen(
                                 contentColor = Primary,
                                 iconTint = Primary,
                                 border = null,
-                                onClick = { onAmountClick("Sale") },
+                                onClick = { onNavigateAmount("Sale") },
                             )
                             SquareButton(
                                 title = "Sign On",
@@ -186,7 +176,7 @@ fun DashboardScreen(
                                 contentColor = Primary,
                                 iconTint = Primary,
                                 border = null,
-                                onClick = { onAmountClick("Sign On") }
+                                onClick = { onNavigateAmount("Sign On") }
                             )
                         }
 
@@ -203,7 +193,7 @@ fun DashboardScreen(
                                 contentColor = Primary,
                                 iconTint = Primary,
                                 border = null,
-                                onClick = onSettlementClick
+                                onClick = {}
                             )
                             SquareButton(
                                 title = "Others",
@@ -213,7 +203,7 @@ fun DashboardScreen(
                                 contentColor = Primary,
                                 iconTint = Primary,
                                 border = null,
-                                onClick = onCardClick
+                                onClick = {}
                             )
                         }
                     }
@@ -230,12 +220,7 @@ private fun DashboardScreenPreview() {
         DashboardScreen(
             settlementEnabled = true,
             wavePayEnabled = true,
-            onAmountClick = {},
-            onTransactionClick = {},
-            onSettlementClick = {},
-            onHistoryClick = {},
-            onCardClick = {},
-            onWavePayClick = {}
+            onNavigateAmount = {}
         )
     }
 }

app/src/main/java/com/mob/utsmyanmar/ui/navigation/AppNavGraph.kt

@@ -1,5 +1,6 @@
 package com.mob.utsmyanmar.ui.navigation
 
+import android.annotation.SuppressLint
 import androidx.activity.ComponentActivity
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.platform.LocalContext
@@ -10,11 +11,10 @@ import androidx.navigation.NavType
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
 import androidx.navigation.navArgument
-import com.mob.utsmyanmar.model.ProcessCode
-import com.mob.utsmyanmar.ui.amount.AmountScreen
+import com.mob.utsmyanmar.ui.amount.AmountRoute
 import com.mob.utsmyanmar.ui.cardwaiting.CardWaitingScreen
 import com.mob.utsmyanmar.ui.cardwaiting.CardWaitingViewModel
-import com.mob.utsmyanmar.ui.dashboard.DashboardScreen
+import com.mob.utsmyanmar.ui.dashboard.DashboardRoute
 import com.mob.utsmyanmar.ui.pinpad.PinPadRoute
 import com.mob.utsmyanmar.ui.processing_card.ProcessingCardRoute
 import com.mob.utsmyanmar.ui.processing_card.ProcessingCardViewModel
@@ -25,8 +25,8 @@ import com.mob.utsmyanmar.viewmodel.EmvTransactionProcessViewModel
 import com.mob.utsmyanmar.ui.pinpad.PinPadViewModel
 import com.mob.utsmyanmar.viewmodel.SharedViewModel
 import com.mob.utsmyanmar.viewmodel.TransProcessViewModel
-import com.utsmyanmar.paylibs.utils.iso_utils.TransactionsType
 
+@SuppressLint("ContextCastToActivity")
 @Composable
 fun AppNavGraph(
     navController: NavHostController
@@ -38,17 +38,17 @@ fun AppNavGraph(
         startDestination = Routes.Dashboard.route
     ) {
         composable(Routes.Dashboard.route) {
-            DashboardScreen(
-                settlementEnabled = true,
-                wavePayEnabled = true,
-                onAmountClick = { action ->
-                    navController.navigate(Routes.Amount.createRoute(action))
+            DashboardRoute(
+                onNavigateAmount = { action ->
+                    navController.navigate(Routes.Amount.createRoute(action)) {
+                        popUpTo(Routes.Dashboard.route) {
+                            inclusive = false
+                        }
+                        launchSingleTop = true
+                    }
                 },
-                onTransactionClick = {},
-                onSettlementClick = {},
-                onHistoryClick = {},
-                onCardClick = {},
-                onWavePayClick = {}
+                settlementEnabled = true,
+                wavePayEnabled = true
             )
         }
 
@@ -62,20 +62,17 @@ fun AppNavGraph(
         ) { backStackEntry ->
             val sharedViewModel: SharedViewModel = hiltViewModel(activity)
 
-            AmountScreen(
+            AmountRoute(
                 action = backStackEntry.arguments?.getString("action").orEmpty(),
-                onBackClick = { navController.popBackStack() },
-                onCancelClick = { navController.popBackStack() },
-                onNextClick = { amount ->
-                    sharedViewModel.amount.value = amount
-                    sharedViewModel.setAmountExist(true)
-                    sharedViewModel.setCardDataExist(false)
-                    sharedViewModel.setTransMenu(null)
-                    sharedViewModel.transactionsType.value = TransactionsType.SALE
-                    sharedViewModel.processCode.value =
-                        ProcessCode.SALE_PURCHASE + ProcessCode.SMART + ProcessCode.TO_ACCOUNT
-
-                    navController.navigate(Routes.CardWaiting.route)
+                sharedViewModel = sharedViewModel,
+                onBack = { navController.popBackStack() },
+                onNavigateCardWaiting = {
+                    navController.navigate(Routes.CardWaiting.route) {
+                        popUpTo(Routes.Amount.route) {
+                            inclusive = true
+                        }
+                        launchSingleTop = true
+                    }
                 }
             )
         }
@@ -94,7 +91,12 @@ fun AppNavGraph(
                 viewModel = cardWaitingViewModel,
                 onManualEntry = {},
                 onProcessingCard = {
-                    navController.navigate(Routes.ProcessingCard.route)
+                    navController.navigate(Routes.ProcessingCard.route) {
+                        popUpTo(Routes.CardWaiting.route) {
+                            inclusive = true
+                        }
+                        launchSingleTop = true
+                    }
                 },
                 onTimeout = { navController.popBackStack() },
                 onBack = { navController.popBackStack() },
@@ -128,7 +130,12 @@ fun AppNavGraph(
             ProcessingCardRoute(
                 viewModel = processingCardViewModel,
                 onNavigatePinPad = {
-                    navController.navigate(Routes.PinPad.route)
+                    navController.navigate(Routes.PinPad.route) {
+                        popUpTo(Routes.ProcessingCard.route) {
+                            inclusive = true
+                        }
+                        launchSingleTop = true
+                    }
                 },
                 onNavigateInputAmount = { navController.popBackStack(Routes.Amount.route, false) },
                 onNavigateProcessing = {},
@@ -150,8 +157,8 @@ fun AppNavGraph(
                 transProcessViewModel = transProcessViewModel,
                 onNavigateTransactionResult = {
                     navController.navigate(Routes.TransactionResult.route) {
-                        popUpTo(Routes.Dashboard.route) {
-                            inclusive = false
+                        popUpTo(Routes.PinPad.route) {
+                            inclusive = true
                         }
                         launchSingleTop = true
                     }
@@ -189,6 +196,7 @@ fun AppNavGraph(
 
         composable(Routes.PrintReceipt.route) {
             PrintReceiptScreen(
+                onPrint = {},
                 onDone = {
                     navController.navigate(Routes.Dashboard.route) {
                         popUpTo(Routes.Dashboard.route) {

app/src/main/java/com/mob/utsmyanmar/ui/pinpad/PinPadRoute.kt

@@ -1,5 +1,6 @@
 package com.mob.utsmyanmar.ui.pinpad
 
+import androidx.activity.compose.BackHandler
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
@@ -9,6 +10,7 @@ import com.mob.utsmyanmar.model.PinPadStatus
 import com.mob.utsmyanmar.viewmodel.SharedViewModel
 import com.mob.utsmyanmar.viewmodel.TransProcessViewModel
 import com.utsmyanmar.paylibs.Constant
+import com.utsmyanmar.paylibs.utils.iso_utils.TransactionsType
 
 @Composable
 fun PinPadRoute(
@@ -21,6 +23,11 @@ fun PinPadRoute(
     val pinText by pinPadViewModel.pinText.collectAsStateWithLifecycle()
     val alertMsg by pinPadViewModel.alertMsg.collectAsStateWithLifecycle()
     val pinStatus by pinPadViewModel.pinStatus.collectAsStateWithLifecycle()
+    val canGoBack = sharedViewModel.transactionsType.value != TransactionsType.SALE
+
+    BackHandler(enabled = canGoBack) {
+        onBack()
+    }
 
     LaunchedEffect(pinStatus) {
         when (pinStatus) {
@@ -52,6 +59,7 @@ fun PinPadRoute(
     PinPadScreen(
         pinText = pinText,
         alertMessage = alertMsg,
+        canGoBack = canGoBack,
         onBack = onBack,
         onKeyboardReady = { keyboard ->
             pinPadViewModel.startPinPadProcess(keyboard)

app/src/main/java/com/mob/utsmyanmar/ui/pinpad/PinPadScreen.kt

@@ -42,6 +42,7 @@ import com.utsmyanmar.baselib.ui.CustomPinPadKeyboard
 fun PinPadScreen(
     pinText: String,
     alertMessage: String?,
+    canGoBack: Boolean,
     onBack: () -> Unit,
     onKeyboardReady: (CustomPinPadKeyboard) -> Unit
 ) {
@@ -68,12 +69,14 @@ fun PinPadScreen(
                     )
                 },
                 navigationIcon = {
-                    IconButton(onClick = onBack) {
-                        Icon(
-                            painter = painterResource(R.drawable.ic_left_arrow),
-                            contentDescription = "Back",
-                            tint = White
-                        )
+                    if (canGoBack) {
+                        IconButton(onClick = onBack) {
+                            Icon(
+                                painter = painterResource(R.drawable.ic_left_arrow),
+                                contentDescription = "Back",
+                                tint = White
+                            )
+                        }
                     }
                 },
                 colors = TopAppBarDefaults.topAppBarColors(
@@ -163,7 +166,11 @@ fun PinPadScreen(
                 verticalArrangement = Arrangement.spacedBy(8.dp)
             ) {
                 Text(
-                    text = "Cancel on device or use back to exit.",
+                    text = if (canGoBack) {
+                        "Cancel on device or use back to exit."
+                    } else {
+                        "Cancel on device to exit."
+                    },
                     color = Black,
                     fontSize = 14.sp,
                     textAlign = TextAlign.Center

app/src/main/java/com/mob/utsmyanmar/ui/print_receipt/PrintReceiptScreen.kt

@@ -1,63 +1,236 @@
 package com.mob.utsmyanmar.ui.print_receipt
 
-import androidx.compose.foundation.layout.Arrangement
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.padding
+import android.util.Log
+import androidx.activity.compose.BackHandler
+import androidx.compose.foundation.background
+import androidx.compose.foundation.border
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
 import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
 import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedButton
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.font.FontFamily
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import com.mob.utsmyanmar.ui.components.appbar.AppBar
+import com.mob.utsmyanmar.ui.theme.Primary
+import com.mob.utsmyanmar.ui.theme.White
+import com.utsmyanmar.paylibs.print.NewPrintReceipt
 
 @Composable
 fun PrintReceiptScreen(
+    onPrint: () -> Unit,
     onDone: () -> Unit
 ) {
+    BackHandler {
+        onDone()
+    }
+
     Scaffold(
         topBar = {
-            AppBar(title = "Print Receipt")
+            AppBar(title = "Receipt")
         }
     ) { paddingValues ->
+
         Column(
             modifier = Modifier
                 .padding(paddingValues)
                 .fillMaxSize()
+                .background(Color(0xFFF5F5F5))
                 .padding(16.dp),
-            verticalArrangement = Arrangement.Center,
-            horizontalAlignment = Alignment.CenterHorizontally
+            horizontalAlignment = Alignment.CenterHorizontally,
         ) {
-            Text(
-                text = "Print Receipt",
-                style = MaterialTheme.typography.titleLarge.copy(
-                    fontSize = 24.sp,
-                    fontWeight = FontWeight.SemiBold
-                )
+
+            ReceiptPreview(
+                modifier = Modifier
+                    .weight(1f)
+                    .verticalScroll(rememberScrollState())
             )
 
-            Button(
-                modifier = Modifier
-                    .fillMaxWidth()
-                    .padding(top = 24.dp),
-                onClick = onDone
+            Spacer(modifier = Modifier.height(16.dp))
+
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.spacedBy(12.dp)
             ) {
-                Text(text = "Back to Dashboard")
+
+                OutlinedButton(
+                    onClick = onDone,
+                    modifier = Modifier
+                        .weight(1f)
+                        .height(50.dp),
+                    shape = RoundedCornerShape(12.dp)
+                ) {
+                    Text(
+                        text = "Cancel",
+                        style = MaterialTheme.typography.bodyLarge.copy(
+                            fontSize = 16.sp,
+                            fontWeight = FontWeight.SemiBold
+                        )
+                    )
+                }
+
+                Button(
+                    modifier = Modifier
+                        .weight(1f)
+                        .height(50.dp),
+                    colors = ButtonDefaults.buttonColors(
+                        containerColor = Primary,
+                        contentColor = White,
+                        disabledContainerColor = Primary,
+                        disabledContentColor = White,
+                    ),
+                    shape = RoundedCornerShape(12.dp),
+                    onClick = {
+                        onPrint()
+                        try {
+                            NewPrintReceipt.getInstance().testPrint()
+                        } catch (e: Exception) {
+                            Log.d("PrintReceipt", "error with $e")
+                        }
+                    }
+                ) {
+                    Text(
+                        text = "Print",
+                        style = MaterialTheme.typography.bodyLarge.copy(
+                            fontSize = 16.sp,
+                            fontWeight = FontWeight.SemiBold
+                        )
+                    )
+                }
             }
+
         }
     }
 }
 
+@Composable
+fun ReceiptPreview(
+    modifier: Modifier = Modifier
+) {
+    Column(
+        modifier = modifier
+            .fillMaxWidth()
+            .clip(RoundedCornerShape(12.dp))
+            .background(Color.White)
+            .border(
+                width = 1.dp,
+                color = Color.LightGray,
+                shape = RoundedCornerShape(12.dp)
+            )
+            .padding(20.dp),
+        horizontalAlignment = Alignment.CenterHorizontally
+    ) {
+
+        Text(
+            text = "MOB POS",
+            fontSize = 24.sp,
+            fontWeight = FontWeight.Bold,
+            fontFamily = FontFamily.Monospace
+        )
+
+        Spacer(modifier = Modifier.height(8.dp))
+
+        Text(
+            text = "Transaction Receipt",
+            fontSize = 14.sp,
+            fontFamily = FontFamily.Monospace
+        )
+
+        Spacer(modifier = Modifier.height(16.dp))
+
+        ReceiptDivider()
+
+        ReceiptRow("Merchant", "MOB UTS Myanmar")
+        ReceiptRow("Terminal ID", "POS001")
+        ReceiptRow("Transaction", "SALE")
+        ReceiptRow("Amount", "500.00 MMK")
+        ReceiptRow("Card Type", "MPU")
+        ReceiptRow("Card No", "1234 **** **** 5678")
+        ReceiptRow("Status", "SUCCESS")
+        ReceiptRow("Date", "13/05/2026")
+        ReceiptRow("Time", "14:30:22")
+        ReceiptRow("Ref No", "REF123456789")
+
+        ReceiptDivider()
+
+        Spacer(modifier = Modifier.height(8.dp))
+
+        Text(
+            text = "Thank You",
+            fontSize = 16.sp,
+            fontWeight = FontWeight.SemiBold,
+            fontFamily = FontFamily.Monospace
+        )
+
+        Spacer(modifier = Modifier.height(4.dp))
+
+        Text(
+            text = "Please keep this receipt",
+            fontSize = 12.sp,
+            fontFamily = FontFamily.Monospace
+        )
+    }
+}
+
+@Composable
+fun ReceiptRow(
+    label: String,
+    value: String
+) {
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(vertical = 6.dp),
+        horizontalArrangement = Arrangement.SpaceBetween
+    ) {
+        Text(
+            text = label,
+            fontSize = 13.sp,
+            fontFamily = FontFamily.Monospace,
+            color = Color.DarkGray
+        )
+
+        Text(
+            text = value,
+            fontSize = 13.sp,
+            fontWeight = FontWeight.SemiBold,
+            fontFamily = FontFamily.Monospace
+        )
+    }
+}
+
+@Composable
+fun ReceiptDivider() {
+    Text(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(vertical = 10.dp),
+        text = "--------------------------------",
+        fontFamily = FontFamily.Monospace,
+        color = Color.Gray
+    )
+}
+
 @Preview(showBackground = true, showSystemUi = true)
 @Composable
 fun PreviewPrintReceiptScreen() {
-    PrintReceiptScreen { }
+    MaterialTheme {
+        PrintReceiptScreen(
+            onPrint = {},
+            onDone = {}
+        )
+    }
 }
-

app/src/main/java/com/mob/utsmyanmar/ui/transaction_result/TransactionResultRoute.kt

@@ -7,6 +7,7 @@ import androidx.compose.runtime.getValue
 import androidx.hilt.navigation.compose.hiltViewModel
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import com.mob.utsmyanmar.viewmodel.SharedViewModel
+import com.utsmyanmar.paylibs.utils.iso_utils.TransactionsType
 
 @Composable
 fun TransactionResultRoute(
@@ -19,6 +20,7 @@ fun TransactionResultRoute(
     onShowPrinterDialog: (String) -> Unit
 ) {
     val state by viewModel.state.collectAsStateWithLifecycle()
+    val canGoBack = sharedViewModel.transactionsType.value != TransactionsType.SALE
 
     LaunchedEffect(Unit) {
         viewModel.onEvent(
@@ -41,6 +43,7 @@ fun TransactionResultRoute(
 
     TransactionResultScreen(
         state = state,
+        canGoBack = canGoBack,
         onEvent = {
             viewModel.onEvent(it, sharedViewModel)
         }

app/src/main/java/com/mob/utsmyanmar/ui/transaction_result/TransactionResultScreen.kt

@@ -1,5 +1,6 @@
 package com.mob.utsmyanmar.ui.transaction_result
 
+import androidx.activity.compose.BackHandler
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
@@ -46,14 +47,21 @@ import com.mob.utsmyanmar.ui.theme.White
 @Composable
 fun TransactionResultScreen(
     state: TransactionResultState,
+    canGoBack: Boolean,
     onEvent: (TransactionResultEvent) -> Unit,
 ) {
+    BackHandler(enabled = !canGoBack) {}
+
     Scaffold(
         topBar = {
             AppBar(
                 title = "Transaction Results",
-                icon = Icons.Default.ChevronLeft,
-                onIconClick = { TransactionResultEvent.BackClick }
+                icon = if (canGoBack) Icons.Default.ChevronLeft else null,
+                onIconClick = if (canGoBack) {
+                    { onEvent(TransactionResultEvent.BackClick) }
+                } else {
+                    null
+                }
             )
         }
     ) { paddingValues ->
@@ -254,6 +262,7 @@ fun TransactionResultScreenPreview() {
             message = "Transaction Approved",
             isLoading = false
         ),
+        canGoBack = true,
         onEvent = {}
     )
 }

baselib/build.gradle

@@ -75,6 +75,7 @@ dependencies {
     implementation project(path: ':sunmiui-lib')
 //    implementation 'com.sunmi:printerlibrary:1.0.9'
     implementation 'com.sunmi:printerlibrary:1.0.23'
+    implementation 'com.sunmi:printerx:1.0.17'
 
     //RxJava
     implementation 'io.reactivex.rxjava3:rxandroid:3.0.0'

baselib/src/main/java/com/utsmyanmar/baselib/BaseApplication.java

@@ -98,7 +98,7 @@ public class BaseApplication extends Application {
                 mPinPadOptV2 = sunmiPayKernel.mPinPadOptV2;
                 mReadCardOptV2 = sunmiPayKernel.mReadCardOptV2;
                 mSecurityOptV2 = sunmiPayKernel.mSecurityOptV2;
-
+                PayLibsUtils.getInstance().initPrinterX();
                 PayLibsUtils.getInstance().initLib(mSecurityOptV2,mEMVOptV2,securityOpt,mReadCardOptV2);
                 SunmiSDK.getInstance().initSDK(mReadCardOptV2,basicOptV2);
 

paylibs/build.gradle

@@ -66,6 +66,7 @@ dependencies {
 
 //    implementation 'com.sunmi:printerlibrary:1.0.9'
     implementation 'com.sunmi:printerlibrary:1.0.24'
+    implementation 'com.sunmi:printerx:1.0.17'
     //paySDK
 //    implementation project(path:':PayLib-release-1.4.58')
     implementation project(path: ':sunmiui-lib')

paylibs/src/main/java/com/utsmyanmar/paylibs/PayLibsUtils.java

@@ -7,6 +7,12 @@ import com.sunmi.pay.hardware.aidlv2.emv.EMVOptV2;
 import com.sunmi.pay.hardware.aidlv2.readcard.ReadCardOptV2;
 import com.sunmi.pay.hardware.aidlv2.security.SecurityOptV2;
 import com.sunmi.peripheral.printer.SunmiPrinterService;
+import com.sunmi.printerx.PrinterSdk;
+import com.sunmi.printerx.SdkException;
+
+import java.util.List;
+
+import sunmi.sunmiui.utils.LogUtil;
 
 public class PayLibsUtils {
 
@@ -24,6 +30,8 @@ public class PayLibsUtils {
 
     public ReadCardOptV2 readCardOptV2;
     
+    public PrinterSdk.Printer printer;
+
     private PayLibsUtils(){}
 
     public static PayLibsUtils getInstance(){
@@ -49,8 +57,21 @@ public class PayLibsUtils {
         this.readCardOptV2 = readCardOptV2;
     }
 
+    public void initPrinterX() throws SdkException {
+        PrinterSdk.getInstance().getPrinter(
+                context,
+                new PrinterSdk.PrinterListen() {
+                    @Override
+                    public void onDefPrinter(PrinterSdk.Printer defPrinter) {
+                        LogUtil.d("PayLibsUtils", "init printer : " + defPrinter);
+                        printer = defPrinter;
+                    }
 
+                    @Override
+                    public void onPrinters(List<PrinterSdk.Printer> list) {
 
-
-
+                    }
+                }
+        );
+    }
 }

paylibs/src/main/java/com/utsmyanmar/paylibs/print/NewPrintReceipt.java

@@ -0,0 +1,35 @@
+package com.utsmyanmar.paylibs.print;
+
+import com.sunmi.printerx.PrinterSdk;
+import com.sunmi.printerx.SdkException;
+import com.sunmi.printerx.style.TextStyle;
+
+public class NewPrintReceipt {
+
+    private static NewPrintReceipt instance;
+
+    private PrinterSdk.Printer printer;
+
+    private NewPrintReceipt() {}
+
+    public static synchronized NewPrintReceipt getInstance() {
+        if (instance == null) {
+            instance = new NewPrintReceipt();
+        }
+        return instance;
+    }
+
+    public void setPrinter(PrinterSdk.Printer printer) {
+        this.printer = printer;
+    }
+
+    public void testPrint() throws SdkException {
+
+        if (printer == null) {
+            return;
+        }
+
+        printer.lineApi().addText("testing", TextStyle.getStyle());
+        printer.lineApi().autoOut();
+    }
+}

paylibs/src/main/java/com/utsmyanmar/paylibs/print/PrintReceipt.java

@@ -77,6 +77,8 @@ public class PrintReceipt {
     }
     
     
+
+
     public void clearQueue() throws RemoteException {
         sunmiPrinterService.clearBuffer();
     }