transaction info page fixed

app/build.gradle.kts

@@ -40,8 +40,8 @@ android {
             dimension = "env"
             applicationIdSuffix = ".uat"
             versionNameSuffix = "-UAT"
-            versionCode = 21
+            versionCode = 29
-            versionName = "3.9"
+            versionName = "4.7"
             buildConfigField("String", "ENV", "\"UAT\"")
             resValue("string", "app_name", "MOB-UAT")
         }

app/src/main/java/com/mob/utsmyanmar/ui/history_functions/HistoryComponents.kt

@@ -10,13 +10,15 @@ import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.rounded.Backspace
+import androidx.compose.material.icons.automirrored.rounded.Backspace
 import androidx.compose.material3.Button
 import androidx.compose.material3.ButtonDefaults
 import androidx.compose.material3.Card
 import androidx.compose.material3.CardDefaults
 import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Icon
+import androidx.compose.ui.draw.shadow
+import androidx.compose.ui.unit.sp
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
@@ -64,7 +66,7 @@ internal fun HistoryTransactionCard(
                     style = MaterialTheme.typography.titleSmall
                 )
                 Text(
-                    "${convertDateString(payDetail.transDate)} ${payDetail.transTime}",
+                    "${convertDateString(payDetail.transDate.orEmpty())} ${payDetail.transTime.orEmpty()}".trim(),
                     style = MaterialTheme.typography.titleSmall
                 )
             }
@@ -92,7 +94,7 @@ internal fun HistoryTransactionCard(
                     style = MaterialTheme.typography.titleSmall
                 )
                 Text(
-                    text = payDetail.voucherNo.ifBlank { "-" },
+                    text = payDetail.voucherNo.orEmpty().ifBlank { "-" },
                     style = MaterialTheme.typography.titleSmall
                 )
             }
@@ -106,7 +108,7 @@ internal fun HistoryTransactionCard(
                     style = MaterialTheme.typography.titleSmall
                 )
                 Text(
-                    text = payDetail.referNo.ifBlank { "-" },
+                    text = payDetail.referNo.orEmpty().ifBlank { "-" },
                     style = MaterialTheme.typography.titleSmall
                 )
             }
@@ -120,7 +122,7 @@ internal fun HistoryTransactionCard(
                     style = MaterialTheme.typography.titleSmall
                 )
                 Text(
-                    text = payDetail.approvalCode.ifBlank { "-" },
+                    text = (payDetail.approvalCode ?: payDetail.authNo).orEmpty().ifBlank { "-" },
                     style = MaterialTheme.typography.titleSmall
                 )
             }
@@ -133,29 +135,29 @@ internal fun HistoryTransactionDetailCard(
     payDetail: PayDetail,
     modifier: Modifier = Modifier,
 ) {
-    val dateStr = if (payDetail.transDate.isNotBlank()) {
+    val dateStr = if (!payDetail.transDate.isNullOrBlank()) {
         convertDateString(payDetail.transDate)
     } else {
-        payDetail.tradeDate.ifBlank { "-" }
+        payDetail.tradeDate.orEmpty().ifBlank { "-" }
     }
-    val timeStr = payDetail.transTime.ifBlank { payDetail.tradeTime }.ifBlank { "-" }
+    val timeStr = payDetail.transTime.orEmpty().ifBlank { payDetail.tradeTime.orEmpty() }.ifBlank { "-" }
-    val merchantNameStr = payDetail.merchantName.takeIf { it.isNotBlank() }
+    val merchantNameStr = payDetail.merchantName?.takeIf { it.isNotBlank() }
         ?: SystemParamsOperation.getInstance().merchantName?.takeIf { it.isNotBlank() }
         ?: "-"
-    val midStr = payDetail.merchantNo.takeIf { it.isNotBlank() }
+    val midStr = payDetail.merchantNo?.takeIf { it.isNotBlank() }
         ?: SystemParamsOperation.getInstance().merchantId?.takeIf { it.isNotBlank() }
         ?: "-"
-    val tidStr = payDetail.terminalNo.takeIf { it.isNotBlank() }
+    val tidStr = payDetail.terminalNo?.takeIf { it.isNotBlank() }
         ?: SystemParamsOperation.getInstance().terminalId?.takeIf { it.isNotBlank() }
         ?: "-"
-    val traceNoStr = payDetail.voucherNo.ifBlank { "-" }
+    val traceNoStr = payDetail.voucherNo.orEmpty().ifBlank { "-" }
-    val refNoStr = payDetail.referNo.ifBlank { "-" }
+    val refNoStr = payDetail.referNo.orEmpty().ifBlank { "-" }
     val aprCodeStr = payDetail.approvalCode?.takeIf { it.isNotBlank() }
-        ?: payDetail.authNo.takeIf { it.isNotBlank() }
+        ?: payDetail.authNo?.takeIf { it.isNotBlank() }
         ?: "-"
     val transTypeStr = displayTransactionTitle(payDetail)
     val amountStr = displayAmountWithSign(payDetail)
-    val cardTypeStr = payDetail.accountType.ifBlank { "-" }
+    val cardTypeStr = payDetail.accountType.orEmpty().ifBlank { "-" }
     val cleanPan = payDetail.cardNo.orEmpty().replace(" ", "")
     val cardNoStr = if (cleanPan.length > 10) {
         cleanPan.take(6) + "*".repeat(cleanPan.length - 10) + cleanPan.takeLast(4)
@@ -187,12 +189,12 @@ internal fun HistoryTransactionDetailCard(
                     style = MaterialTheme.typography.titleMedium,
                     fontWeight = FontWeight.Bold
                 )
-                Text(
+//                Text(
-                    text = amountStr,
+//                    text = amountStr,
-                    color = Color.Black,
+//                    color = Color.Black,
-                    style = MaterialTheme.typography.titleMedium,
+//                    style = MaterialTheme.typography.titleMedium,
-                    fontWeight = FontWeight.Bold
+//                    fontWeight = FontWeight.Bold
-                )
+//                )
             }
 
             HorizontalDivider(
@@ -202,7 +204,7 @@ internal fun HistoryTransactionDetailCard(
 
             SummaryLine("Date", dateStr)
             SummaryLine("Time", timeStr)
-            SummaryLine("Merchant Name", merchantNameStr)
+//            SummaryLine("Merchant Name", merchantNameStr)
             SummaryLine("Mid", midStr)
             SummaryLine("Tid", tidStr)
             SummaryLine("Trace No", traceNoStr)
@@ -315,7 +317,7 @@ internal fun HistoryNumericKeypad(
                         )
                     ) {
                         if (key == "⌫") {
-                            Icon(Icons.Rounded.Backspace, contentDescription = "Backspace")
+                            Icon(Icons.AutoMirrored.Rounded.Backspace, contentDescription = "Backspace")
                         } else {
                             Text(key, style = MaterialTheme.typography.headlineMedium)
                         }
@@ -326,6 +328,74 @@ internal fun HistoryNumericKeypad(
     }
 }
 
+internal val searchKeys = listOf(
+    listOf("1", "2", "3"),
+    listOf("4", "5", "6"),
+    listOf("7", "8", "9"),
+    listOf("C", "0", "\u232B")
+)
+
+@Composable
+internal fun SearchInputBox(
+    query: String,
+    isFocused: Boolean,
+    onFocus: () -> Unit,
+    label: String = if (isFocused) "Trace or RRN" else "Tap to search by Trace or RRN",
+    onDelete: (() -> Unit)? = null,
+) {
+    Card(
+        modifier = Modifier
+            .fillMaxWidth()
+            .clickable(onClick = onFocus),
+        colors = CardDefaults.cardColors(containerColor = Color.White),
+        shape = RoundedCornerShape(12.dp),
+        elevation = CardDefaults.cardElevation(defaultElevation = if (isFocused) 6.dp else 2.dp)
+    ) {
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 16.dp, vertical = 14.dp),
+            verticalAlignment = Alignment.CenterVertically,
+            horizontalArrangement = Arrangement.SpaceBetween
+        ) {
+            Column(modifier = Modifier.weight(1f)) {
+                Text(
+                    text = label,
+                    style = MaterialTheme.typography.bodySmall,
+                    color = if (isFocused) Color.LegacyRed else Color.Gray
+                )
+                Spacer(modifier = Modifier.height(4.dp))
+                Text(
+                    text = query.ifEmpty { "_" },
+                    color = Color.LegacyRed,
+                    style = MaterialTheme.typography.headlineSmall.copy(
+                        fontWeight = FontWeight.Bold,
+                        letterSpacing = 2.sp
+                    )
+                )
+            }
+
+            if (query.isNotEmpty()) {
+                Card(
+                    shape = RoundedCornerShape(18.dp),
+                    colors = CardDefaults.cardColors(containerColor = Color.White),
+                    elevation = CardDefaults.cardElevation(defaultElevation = 4.dp),
+                    modifier = Modifier
+                        .shadow(2.dp, RoundedCornerShape(18.dp))
+                        .clickable(enabled = onDelete != null) { onDelete?.invoke() }
+                ) {
+                    Icon(
+                        imageVector = Icons.AutoMirrored.Rounded.Backspace,
+                        contentDescription = "Delete",
+                        tint = Color.LegacyRed,
+                        modifier = Modifier.padding(horizontal = 14.dp, vertical = 12.dp)
+                    )
+                }
+            }
+        }
+    }
+}
+
 @Preview(showBackground = true)
 @Composable
 private fun HistoryTransactionCardPreview() {

app/src/main/java/com/mob/utsmyanmar/ui/history_functions/HistoryFilters.kt

@@ -55,11 +55,17 @@ internal fun displayTransactionStatus(payDetail: PayDetail): String {
     if (payDetail.transactionType == TransactionsType.REVERSAL.value) {
         return if (payDetail.isNeedReversal) "REVERSAL FAILED" else "REVERSAL SUCCESS"
     }
-    return POSUtil.getInstance().getResponse(payDetail.tradeAnswerCode.orEmpty().ifBlank { "-" })
+    val code = payDetail.tradeAnswerCode.orEmpty().ifBlank { "-" }
+    return try {
+        POSUtil.getInstance().getResponse(code)
+    } catch (_: Throwable) {
+        if (code == "00") "Approved" else code
+    }
 }
 
 internal fun displayTransactionTitle(payDetail: PayDetail): String {
     val title = payDetail.transType
+        .orEmpty()
         .ifBlank { "TRANSACTION" }
         .replace("CASH_OUT", "CASH_ADV", ignoreCase = true)
     return if (payDetail.transactionType == TransactionsType.REVERSAL.value) {

app/src/main/java/com/mob/utsmyanmar/ui/history_functions/HistoryViewModel.kt

@@ -21,6 +21,7 @@ class HistoryViewModel @Inject constructor(
     fun getLastSettlement(): LiveData<List<PayDetail>> =
         repository.getLastSettlement()
 
+
     fun getReviewBatchTransaction(batchNo: String): LiveData<List<PayDetail>> =
         repository.getReviewBatchTransaction(batchNo)
 
@@ -28,5 +29,9 @@ class HistoryViewModel @Inject constructor(
         repository.getSmileSummaryTrans(batchNo)
 
     fun searchTransaction(voucherNo: String): LiveData<PayDetail> =
-        repository.searchTransaction(voucherNo)
+        if (voucherNo.length > 6) {
+            repository.searchPayDetail(voucherNo)
+        } else {
+            repository.searchTransaction(voucherNo.padStart(6, '0'))
+        }
 }

app/src/main/java/com/mob/utsmyanmar/ui/history_functions/ReprintAnyTransactionScreen.kt

@@ -48,13 +48,6 @@ import com.mob.utsmyanmar.ui.theme.MOBPOSTheme
 import com.utsmyanmar.paylibs.model.PayDetail
 import com.utsmyanmar.paylibs.utils.enums.HostType
 
-private val searchKeys = listOf(
-    listOf("1", "2", "3"),
-    listOf("4", "5", "6"),
-    listOf("7", "8", "9"),
-    listOf("C", "0", "\u232B")
-)
-
 @Composable
 fun ReprintAnyTransactionScreen(
     viewModel: HistoryViewModel,
@@ -128,7 +121,8 @@ fun ReprintAnyTransactionContent(
             SearchInputBox(
                 query = searchQuery,
                 isFocused = isFocused,
-                onFocus = { isFocused = true }
+                onFocus = { isFocused = true },
+                onDelete = { searchQuery = searchQuery.dropLast(1) }
             )
 
             Spacer(modifier = Modifier.height(8.dp))
@@ -191,64 +185,6 @@ fun ReprintAnyTransactionContent(
     }
 }
 
-@Composable
-private fun SearchInputBox(
-    query: String,
-    isFocused: Boolean,
-    onFocus: () -> Unit,
-) {
-    Card(
-        modifier = Modifier
-            .fillMaxWidth()
-            .clickable(onClick = onFocus),
-        colors = CardDefaults.cardColors(containerColor = Color.White),
-        shape = RoundedCornerShape(12.dp),
-        elevation = CardDefaults.cardElevation(defaultElevation = if (isFocused) 6.dp else 2.dp)
-    ) {
-        Row(
-            modifier = Modifier
-                .fillMaxWidth()
-                .padding(horizontal = 16.dp, vertical = 14.dp),
-            verticalAlignment = Alignment.CenterVertically,
-            horizontalArrangement = Arrangement.SpaceBetween
-        ) {
-            Column(modifier = Modifier.weight(1f)) {
-                Text(
-                    text = if (isFocused) "Trace or RRN" else "Tap to search by Trace or RRN",
-                    style = MaterialTheme.typography.bodySmall,
-                    color = if (isFocused) Color.LegacyRed else Color.Gray
-                )
-                Spacer(modifier = Modifier.height(4.dp))
-                Text(
-                    text = query.ifEmpty { "_" },
-                    color = Color.LegacyRed,
-                    style = MaterialTheme.typography.headlineSmall.copy(
-                        fontWeight = FontWeight.Bold,
-                        letterSpacing = 2.sp
-                    )
-                )
-            }
-
-            if (query.isNotEmpty()) {
-                Card(
-                    shape = RoundedCornerShape(18.dp),
-                    colors = CardDefaults.cardColors(containerColor = Color.White),
-                    elevation = CardDefaults.cardElevation(defaultElevation = 4.dp),
-                    modifier = Modifier
-                        .shadow(2.dp, RoundedCornerShape(18.dp))
-                        .clickable { }
-                ) {
-                    Icon(
-                        imageVector = Icons.AutoMirrored.Rounded.Backspace,
-                        contentDescription = "Delete",
-                        tint = Color.LegacyRed,
-                        modifier = Modifier.padding(horizontal = 14.dp, vertical = 12.dp)
-                    )
-                }
-            }
-        }
-    }
-}
 
 @Preview(showBackground = true)
 @Composable

app/src/main/java/com/mob/utsmyanmar/ui/history_functions/ReviewDetailScreen.kt

@@ -124,3 +124,42 @@ private fun ReviewDetailScreenPreview() {
         )
     }
 }
+
+@P2Preview
+@P3Preview
+@Composable
+private fun ReviewDetailScreenWithReprintPreview() {
+    MOBPOSTheme {
+        ReviewDetailContent(
+            transaction = PayDetail().apply {
+                transDate = "21/09/26"
+                transTime = "14:04:15"
+                merchantName = "UTS Merchant"
+                merchantNo = "100089476209176"
+                terminalNo = "10420257"
+                voucherNo = "000001"
+                referNo = "123456789012"
+                approvalCode = "123456"
+                transType = "SALE"
+                amount = 1500000L
+                accountType = "MPU"
+                cardNo = "9503036867315548"
+                tradeAnswerCode = "00"
+            },
+            onBack = {},
+            onReprint = {}
+        )
+    }
+}
+
+@P2Preview
+@P3Preview
+@Composable
+private fun ReviewDetailScreenNotFoundPreview() {
+    MOBPOSTheme {
+        ReviewDetailContent(
+            transaction = null,
+            onBack = {}
+        )
+    }
+}

app/src/main/java/com/mob/utsmyanmar/ui/history_functions/ReviewTraceScreen.kt

@@ -1,18 +1,20 @@
 package com.mob.utsmyanmar.ui.history_functions
 
-import androidx.compose.foundation.layout.Box
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.animation.slideInVertically
+import androidx.compose.animation.slideOutVertically
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.ArrowBack
 import androidx.compose.material3.Button
 import androidx.compose.material3.ButtonDefaults
-import androidx.compose.material3.Card
+import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.CardDefaults
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
@@ -22,16 +24,16 @@ import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
-import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.material3.MaterialTheme
-import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
-import androidx.compose.ui.unit.sp
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
+import com.mob.utsmyanmar.ui.components.NumericKeypad
 import com.mob.utsmyanmar.ui.components.appbar.AppBar
+import com.mob.utsmyanmar.ui.preview.P2Preview
+import com.mob.utsmyanmar.ui.preview.P3Preview
 import com.mob.utsmyanmar.ui.theme.Color
+import com.mob.utsmyanmar.ui.theme.MOBPOSTheme
 import com.utsmyanmar.paylibs.model.PayDetail
 
 @Composable
@@ -40,7 +42,6 @@ fun ReviewTraceScreen(
     onBack: () -> Unit,
     onNavigateReviewDetail: (String) -> Unit,
 ) {
-    var traceNumber by remember { mutableStateOf("") }
     var searchedTrace by remember { mutableStateOf("") }
     var lastNavigatedTrace by remember { mutableStateOf<String?>(null) }
 
@@ -61,6 +62,24 @@ fun ReviewTraceScreen(
         onNavigateReviewDetail(matchedTrace)
     }
 
+    ReviewTraceContent(
+        searchedTrace = searchedTrace,
+        transactionFound = transaction != null,
+        onBack = onBack,
+        onSearch = { query -> searchedTrace = query }
+    )
+}
+
+@Composable
+fun ReviewTraceContent(
+    searchedTrace: String,
+    transactionFound: Boolean,
+    onBack: () -> Unit,
+    onSearch: (String) -> Unit,
+) {
+    var traceNumber by remember { mutableStateOf("") }
+    var isFocused by remember { mutableStateOf(true) }
+
     Scaffold(
         containerColor = Color.IvoryBeige,
         topBar = {
@@ -78,12 +97,12 @@ fun ReviewTraceScreen(
                 .padding(16.dp)
         ) {
             Text(
-                text = if (searchedTrace.isNotBlank() && transaction == null) {
+                text = if (searchedTrace.isNotBlank() && !transactionFound) {
                     "No transaction found for trace $searchedTrace."
                 } else {
                     "Input trace number to review transaction."
                 },
-                color = if (searchedTrace.isNotBlank() && transaction == null) {
+                color = if (searchedTrace.isNotBlank() && !transactionFound) {
                     Color.LegacyRed
                 } else {
                     Color.Black
@@ -93,49 +112,66 @@ fun ReviewTraceScreen(
 
             Spacer(modifier = Modifier.height(16.dp))
 
-            Card(
+            SearchInputBox(
-                modifier = Modifier.fillMaxWidth(),
+                query = traceNumber,
-                colors = CardDefaults.cardColors(containerColor = Color.White)
+                isFocused = isFocused,
-            ) {
+                onFocus = { isFocused = true },
-                Text(
+                onDelete = { traceNumber = traceNumber.dropLast(1) }
-                    text = traceNumber.padStart(6, '0').ifEmpty { "000000" },
-                    modifier = Modifier
-                        .fillMaxWidth()
-                        .padding(24.dp),
-                    textAlign = TextAlign.Center,
-                    style = MaterialTheme.typography.displayMedium.copy(fontSize = 28.sp)
             )
-            }
 
             Spacer(modifier = Modifier.height(16.dp))
 
-            HistoryNumericKeypad(
+            AnimatedVisibility(
-                onDigit = { digit ->
+                visible = isFocused,
-                    if (traceNumber.length < 6) traceNumber += digit
+                enter = slideInVertically(initialOffsetY = { it }),
-                },
+                exit = slideOutVertically(targetOffsetY = { it })
-                onBackspace = {
+            ) {
-                    if (traceNumber.isNotEmpty()) {
+                NumericKeypad(
-                        traceNumber = traceNumber.dropLast(1)
+                    keys = searchKeys,
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .height(280.dp)
+                        .padding(top = 8.dp),
+                    onKeyClick = { key ->
+                        when (key) {
+                            "C" -> traceNumber = ""
+                            "\u232B" -> traceNumber = traceNumber.dropLast(1)
+                            else -> if (traceNumber.length < 12) traceNumber += key
+                        }
                     }
-                },
-                onClear = { traceNumber = "" }
                 )
+            }
 
             Spacer(modifier = Modifier.weight(1f))
 
             Button(
-                onClick = { searchedTrace = traceNumber.padStart(6, '0') },
+                onClick = { onSearch(traceNumber.trim()) },
                 enabled = traceNumber.isNotBlank(),
                 modifier = Modifier
                     .fillMaxWidth()
                     .height(56.dp),
+                shape = RoundedCornerShape(8.dp),
                 colors = ButtonDefaults.buttonColors(
                     containerColor = Color.LegacyRed,
                     contentColor = Color.White
                 )
             ) {
-                Text("Search")
+                Text("Search", style = MaterialTheme.typography.titleMedium)
             }
         }
     }
 }
+
+@P2Preview
+@P3Preview
+@Composable
+private fun ReviewTraceScreenPreview() {
+    MOBPOSTheme {
+        ReviewTraceContent(
+            searchedTrace = "",
+            transactionFound = false,
+            onBack = {},
+            onSearch = {}
+        )
+    }
+}

app/src/main/java/com/mob/utsmyanmar/utils/Converter.kt

@@ -20,6 +20,7 @@ fun String?.maskCardNumber(): String {
     return maskedPan.toString()
 }
 
-fun convertDateString(dateStr: String): String {
+fun convertDateString(dateStr: String?): String {
+    if (dateStr.isNullOrEmpty()) return ""
     return dateStr.replace(Regex("/(\\d{2})$"), "/20$1")
 }

paylibs/src/main/java/com/utsmyanmar/paylibs/system/BaseErrorCode.java

@@ -88,23 +88,33 @@ public class BaseErrorCode {
     }
 
     public static String getCode(String code) {
-        if (instance == null) instance = new BaseErrorCode();
+        if (instance == null || (instance.errorCode.isEmpty() && PayLibsUtils.getInstance().context != null)) {
+            instance = new BaseErrorCode();
+        }
         String errorMsg = instance.errorCode.get(code);
 //        return (errorMsg != null ? "RESPONSE CODE"+"(" + code + ")\n ("+errorMsg+")" : getString(R.string.errorOthers));
         if(code.length() == 2) {
-            return (errorMsg != null ? errorMsg : getString(R.string.errorOthers));
+            if (errorMsg != null) return errorMsg;
+            String defaultError = getString(R.string.errorOthers);
+            return defaultError != null ? defaultError : ("00".equals(code) ? "Approved" : "Others");
         } else if(code.isEmpty()) {
             return "NO RESPONSE";
         } else {
-            return (errorMsg != null ? code + " - "+errorMsg : getString(R.string.errorOthers));
+            if (errorMsg != null) return code + " - "+errorMsg;
+            String defaultError = getString(R.string.errorOthers);
+            return defaultError != null ? code + " - " + defaultError : code + " - Others";
         }
 
     }
 
     public static String getErrorMessage(String code) {
-        if (instance == null) instance = new BaseErrorCode();
+        if (instance == null || (instance.errorCode.isEmpty() && PayLibsUtils.getInstance().context != null)) {
+            instance = new BaseErrorCode();
+        }
         String errorMsg = instance.errorCode.get(code);
-        return  (errorMsg != null ?" "+ errorMsg+" " :getString(R.string.errorOthers));
+        if (errorMsg != null) return " " + errorMsg + " ";
+        String defaultError = getString(R.string.errorOthers);
+        return " " + (defaultError != null ? defaultError : "Others") + " ";
     }
 
     private static BaseErrorCode instance;
@@ -117,14 +127,21 @@ public class BaseErrorCode {
         if (KeyValueSet == null) return;
         int size = KeyValueSet.length;
         if (size % 2 == 0)
-            for (int i = 0; i < size; i += 2)
+            for (int i = 0; i < size; i += 2) {
-                errorCode.put((String) KeyValueSet[i],getString((Integer)KeyValueSet[i + 1]));
+                String val = getString((Integer)KeyValueSet[i + 1]);
+                if (val != null) {
+                    errorCode.put((String) KeyValueSet[i], val);
+                }
+            }
         else throw new RuntimeException("Error code key value pairs must be even numbers");
     }
 
     private Map<String, String> errorCode = new HashMap<>();
 
     private static String getString(int id) {
+        if (PayLibsUtils.getInstance() == null || PayLibsUtils.getInstance().context == null) {
+            return null;
+        }
         return PayLibsUtils.getInstance().context.getString(id);
     }