signature pad

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

@@ -55,7 +55,6 @@ import com.mob.utsmyanmar.viewmodel.EmvTransactionProcessViewModel
 import com.mob.utsmyanmar.viewmodel.SharedViewModel
 import com.mob.utsmyanmar.viewmodel.TransProcessViewModel
 import com.utsmyanmar.paylibs.model.TradeData
-import com.utsmyanmar.paylibs.model.enums.TransCVM
 import com.utsmyanmar.paylibs.utils.iso_utils.TransactionsType
 
 @RequiresApi(Build.VERSION_CODES.N)
@@ -90,8 +89,9 @@ fun AppNavGraph(
             val sharedViewModel: SharedViewModel = hiltViewModel(activity)
             SignaturePad(
                 onBack = { navController.popBackStack() },
-                onConfirm = { _, bitmap ->
+                onConfirm = { _, bitmap, signatureBlob ->
                     sharedViewModel.signBitmap = bitmap
+                    sharedViewModel.updateSignatureBlob(signatureBlob)
                     navController.navigate(Routes.TransactionResult.route) {
                         popUpTo(Routes.Signature.route) {
                             inclusive = true

app/src/main/java/com/mob/utsmyanmar/ui/sending_to_host/SendingToHostRoute.kt

@@ -9,6 +9,7 @@ import com.mob.utsmyanmar.model.TransactionStatus
 import com.mob.utsmyanmar.ui.settlement.SettlementViewModel
 import com.mob.utsmyanmar.viewmodel.SharedViewModel
 import com.mob.utsmyanmar.viewmodel.TransProcessViewModel
+import com.utsmyanmar.paylibs.model.enums.TransCVM
 import com.utsmyanmar.paylibs.utils.iso_utils.TransactionsType
 
 private const val MOCK_HOST_DELAY_MS = 2000L
@@ -83,6 +84,6 @@ fun ProcessingRoute(
 }
 
 private fun requiresSignature(payDetail: com.utsmyanmar.paylibs.model.PayDetail?): Boolean {
-//    return payDetail?.transCVM == TransCVM.SIGNATURE && payDetail.isFreeSign == false
+    return payDetail?.transCVM == TransCVM.SIGNATURE && !payDetail.isFreeSign
-    return true;
+//    return true;
 }

app/src/main/java/com/mob/utsmyanmar/ui/signature_pad/SignaturePad.kt

@@ -29,6 +29,7 @@ import androidx.compose.runtime.mutableStateListOf
 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.ui.geometry.Offset
 import androidx.compose.ui.geometry.Size
@@ -39,8 +40,10 @@ import androidx.compose.ui.input.pointer.pointerInput
 import androidx.compose.ui.layout.onSizeChanged
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
+import androidx.core.graphics.createBitmap
 import com.mob.utsmyanmar.ui.components.appbar.AppBar
 import com.mob.utsmyanmar.ui.theme.MOBPOSTheme
+import java.io.ByteArrayOutputStream
 import android.graphics.Canvas as AndroidCanvas
 import android.graphics.Path as AndroidPath
 import com.mob.utsmyanmar.ui.theme.Color as AppColor
@@ -49,39 +52,39 @@ import com.mob.utsmyanmar.ui.theme.Color as AppColor
 fun SignaturePad(
     modifier: Modifier = Modifier,
     signatureColor: Color = Color.Black,
-
     onBack: () -> Unit = {},
-    onConfirm: (SignatureMode, Bitmap?) -> Unit = { _, _ -> }
+    // signatureBlob is null for Digital mode (using stored signature) or when nothing was drawn
+    onConfirm: (SignatureMode, Bitmap?, signatureBlob: ByteArray?) -> Unit = { _, _, _ -> }
 ) {
     val paths = remember { mutableStateListOf<List<Offset>>() }
     val currentPath = remember { mutableStateListOf<Offset>() }
     var selectedMode by remember { mutableStateOf(SignatureMode.Manual) }
     var canvasSize by remember { mutableStateOf(Size.Zero) }
-    var strokeWidth: Float = 8f;
+    var strokeWidth = 6f
 
     fun clearSignature() {
         paths.clear()
         currentPath.clear()
     }
 
+
     fun buildBitmap(): Bitmap? {
-        if (selectedMode == SignatureMode.Manual) return null
+        if (selectedMode == SignatureMode.Digital) return null
         if (paths.isEmpty() && currentPath.isEmpty()) return null
         if (canvasSize.width <= 0f || canvasSize.height <= 0f) return null
 
-        val bitmap = Bitmap.createBitmap(
+        val bitmap =
-            canvasSize.width.toInt(),
+            createBitmap(canvasSize.width.toInt(), canvasSize.height.toInt(), Bitmap.Config.RGB_565)
-            canvasSize.height.toInt(),
-            Bitmap.Config.ARGB_8888
-        )
         val canvas = AndroidCanvas(bitmap)
+        canvas.drawColor(android.graphics.Color.WHITE) // fill white background first
+
         val paint = Paint().apply {
             color = android.graphics.Color.BLACK
             style = Paint.Style.STROKE
-            strokeWidth = strokeWidth
             isAntiAlias = true
             strokeCap = Paint.Cap.ROUND
             strokeJoin = Paint.Join.ROUND
+            strokeWidth = 10f
         }
 
         fun drawStroke(points: List<Offset>) {
@@ -101,6 +104,13 @@ fun SignaturePad(
         return bitmap
     }
 
+    fun bitmapToBlob(bitmap: Bitmap): ByteArray {
+        ByteArrayOutputStream().use { stream ->
+            bitmap.compress(Bitmap.CompressFormat.PNG, 100, stream)
+            return stream.toByteArray()
+        }
+    }
+
     Scaffold(
         topBar = {
             AppBar(
@@ -117,17 +127,18 @@ fun SignaturePad(
                 .padding(16.dp),
             verticalArrangement = Arrangement.spacedBy(16.dp)
         ) {
-                Box(
+            Box(
-                    modifier = Modifier
+                modifier = Modifier
-                        .weight(1f)
+                    .fillMaxWidth(0.85f) // narrower than full width, adjust as needed
-                        .fillMaxWidth()
+                    .height(180.dp)      // fixed height instead of weight(1f)
-                        .background(Color.White, RoundedCornerShape(16.dp))
+                    .align(Alignment.CenterHorizontally)
-                        .padding(12.dp)
+                    .background(Color.White, RoundedCornerShape(16.dp))
-                        .onSizeChanged { size ->
+                    .padding(12.dp)
-                            canvasSize = Size(size.width.toFloat(), size.height.toFloat())
+                    .onSizeChanged { size ->
-                        }
+                        canvasSize = Size(size.width.toFloat(), size.height.toFloat())
-                        .pointerInput(Unit) {
+                    }
-                            detectDragGestures(
+                    .pointerInput(Unit) {
+                        detectDragGestures(
                             onDragStart = { startOffset ->
                                 currentPath.add(startOffset)
                             },
@@ -175,9 +186,10 @@ fun SignaturePad(
                 }
             }
 
-            Column (
+            Column(
-                modifier = Modifier.fillMaxWidth().height(150.dp),
+                modifier = Modifier
-//                horizontalArrangement = Arrangement.spacedBy(12.dp)
+                    .fillMaxWidth()
+                    .height(150.dp)
             ) {
                 SignatureModeOption(
                     title = "Manual Sign",
@@ -214,10 +226,12 @@ fun SignaturePad(
                 Button(
                     onClick = {
                         val bitmap = buildBitmap()
-                        if (selectedMode == SignatureMode.Digital && bitmap == null) {
+                        if (selectedMode == SignatureMode.Manual && bitmap == null) {
+                            // nothing drawn yet on Manual mode — block confirm
                             return@Button
                         }
-                        onConfirm(selectedMode, bitmap)
+                        val signatureBlob = bitmap?.let { bitmapToBlob(it) }
+                        onConfirm(selectedMode, bitmap, signatureBlob)
                     },
                     modifier = Modifier
                         .weight(1f)

app/src/main/java/com/mob/utsmyanmar/viewmodel/SharedViewModel.kt

@@ -4,9 +4,9 @@ import android.graphics.Bitmap
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
 import com.mob.utsmyanmar.model.SettlementType
-import com.mob.utsmyanmar.ui.processing_card.ProcessingCardState
+import com.utsmyanmar.baselib.db.dao.PayDetailDao
-import com.mob.utsmyanmar.ui.sending_to_host.ProcessingState
 import com.utsmyanmar.baselib.network.model.sirius.SiriusRequest
 import com.utsmyanmar.baselib.network.model.sirius.SiriusResponse
 import com.utsmyanmar.baselib.repo.Repository
@@ -21,19 +21,20 @@ import com.utsmyanmar.paylibs.utils.AccountType
 import com.utsmyanmar.paylibs.utils.PrintStatus
 import com.utsmyanmar.paylibs.utils.core_utils.SystemParamsOperation
 import com.utsmyanmar.paylibs.utils.enums.HostType
-import com.utsmyanmar.paylibs.utils.iso_utils.TransactionType
 import com.utsmyanmar.paylibs.utils.enums.TransMenu
+import com.utsmyanmar.paylibs.utils.iso_utils.TransactionType
 import com.utsmyanmar.paylibs.utils.iso_utils.TransactionsType
 import dagger.hilt.android.lifecycle.HiltViewModel
 import io.reactivex.rxjava3.core.Observable
-import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.launch
 import sunmi.sunmiui.utils.LogUtil
 import javax.inject.Inject
 
 @HiltViewModel
 class SharedViewModel @Inject constructor(
-    private val repository: Repository
+    private val repository: Repository,
+    private val payDetailDao: PayDetailDao
 ) : ViewModel() {
 
     companion object {
@@ -666,4 +667,13 @@ class SharedViewModel @Inject constructor(
             SystemParamsOperation.getInstance().wavePayStatus
         )
     }
+    fun updateSignatureBlob(signatureBlob: ByteArray?) {
+        val current = payDetail.value ?: return
+        current.signatureBlob = signatureBlob
+        payDetail.value = current
+
+        viewModelScope.launch(Dispatchers.IO) {
+            payDetailDao.updateSignatureBlob(current.voucherNo, signatureBlob)
+        }
+    }
 }

baselib/src/main/java/com/utsmyanmar/baselib/db/dao/PayDetailDao.java

@@ -5,13 +5,9 @@ import androidx.room.Dao;
 import androidx.room.Delete;
 import androidx.room.Insert;
 import androidx.room.Query;
-import androidx.room.Transaction;
 import androidx.room.Update;
 
 import com.utsmyanmar.paylibs.model.PayDetail;
-import com.utsmyanmar.paylibs.system.SingleLiveEvent;
-import com.utsmyanmar.paylibs.utils.iso_utils.TransactionType;
-import com.utsmyanmar.paylibs.utils.iso_utils.TransactionsType;
 
 import java.util.List;
 
@@ -157,4 +153,7 @@ public interface PayDetailDao {
     @Query("SELECT * FROM paydetail ORDER BY PID DESC")
     LiveData<List<PayDetail>> getAllTrans();
 
+    @Query("UPDATE paydetail SET signatureBlob = :blob WHERE voucherNo = :voucherNo")
+    void updateSignatureBlob(String voucherNo, byte[] blob);
+
 }

baselib/src/main/java/com/utsmyanmar/baselib/di/DatabaseModule.java

@@ -397,7 +397,7 @@ public class DatabaseModule {
     @Provides
     @Singleton
     public static AppDatabase provideAppDatabase(Application application) {
-        return Room.databaseBuilder(application, AppDatabase.class, "yoma")
+        return Room.databaseBuilder(application, AppDatabase.class, "mob")
 //                .fallbackToDestructiveMigration()
                 .addMigrations(MIGRATION_7_8)
                 .addMigrations(MIGRATION_8_9)

paylibs/src/main/java/com/utsmyanmar/paylibs/print/printx/PrintXImpl.java

@@ -3,16 +3,8 @@ package com.utsmyanmar.paylibs.print.printx;
 import android.content.res.Resources;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
-import android.graphics.Canvas;
-import android.graphics.Color;
-import android.graphics.Paint;
 import android.os.RemoteException;
 
-import com.google.zxing.BarcodeFormat;
-import com.google.zxing.EncodeHintType;
-import com.google.zxing.WriterException;
-import com.google.zxing.common.BitMatrix;
-import com.google.zxing.qrcode.QRCodeWriter;
 import com.utsmyanmar.paylibs.Constant;
 import com.utsmyanmar.paylibs.PayLibsUtils;
 import com.utsmyanmar.paylibs.R;
@@ -31,10 +23,8 @@ import com.utsmyanmar.paylibs.utils.enums.HostType;
 import com.utsmyanmar.paylibs.utils.iso_utils.TransactionsType;
 import com.utsmyanmar.paylibs.utils.print_utils.BitmapUtils;
 
-import java.io.ByteArrayOutputStream;
 import java.text.SimpleDateFormat;
 import java.util.Date;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
@@ -268,7 +258,7 @@ public class PrintXImpl extends BaseXPrint implements PrintX {
 
             if (payDetail.getTradeAnswerCode().equals(Constant.ANSWER_CODE_APPROVED) || payDetail.getTradeAnswerCode().equals(Constant.ANSWER_CODE_ACCEPT)) {
                 printTransFooter(false,payDetail, isMerchantCopy);
-                printSignatureBlock(payDetail, signBitmap);
+//                printSignatureBlock(payDetail, signBitmap);
             } else {
                 String receiptFooter = SystemParamsOperation.getInstance().getReceiptFooter();
                 sunmiPrinterService.printText("\n", null);
@@ -293,7 +283,7 @@ public class PrintXImpl extends BaseXPrint implements PrintX {
 
             if (payDetail.getTradeAnswerCode().equals(Constant.ANSWER_CODE_APPROVED) || payDetail.getTradeAnswerCode().equals(Constant.ANSWER_CODE_ACCEPT)) {
                 printTransFooter(false,payDetail, isMerchantCopy);
-                printSignatureBlock(payDetail, signBitmap);
+//                printSignatureBlock(payDetail, signBitmap);
             } else {
                 String receiptFooter = SystemParamsOperation.getInstance().getReceiptFooter();
                 sunmiPrinterService.setFontSize(textSize, null);
@@ -309,39 +299,10 @@ public class PrintXImpl extends BaseXPrint implements PrintX {
         }
     }
 
-    private void printSignatureBlock(PayDetail payDetail, Bitmap signBitmap) {
-        try {
-            if (payDetail.getTransCVM() != com.utsmyanmar.paylibs.model.enums.TransCVM.SIGNATURE) {
-                return;
-            }
-
-            if (signBitmap == null) {
-                return;
-            }
-
-            Bitmap printableBitmap = signBitmap;
-            if (printableBitmap.getWidth() > 130) {
-                double size = 1.0 * printableBitmap.getHeight() * 130 / printableBitmap.getWidth();
-                int newHeight = (int) size;
-                printableBitmap = BitmapUtils.scale(printableBitmap, 130, newHeight);
-            }
-
-            sunmiPrinterService.lineWrap(1, innerResultCallback);
-            sunmiPrinterService.setAlignment(1, innerResultCallback);
-            sunmiPrinterService.printBitmap(printableBitmap, innerResultCallback);
-            sunmiPrinterService.lineWrap(1, innerResultCallback);
-        } catch (RemoteException e) {
-            e.printStackTrace();
-        }
-    }
-
-
     private void printTransDetailWave(PayDetail payDetail) {
         try {
 
-//            payDetail.getCustomerMobile() // as channel type
+//            payDetail.getCustomerMobile() // as channel typeိ
-
-
 
             if(payDetail.getTransactionType() == TransactionsType.WAVEPAY.value && payDetail.getQrTransStatus() == 1 ) {
                 sunmiPrinterService.printColumnsString(new String[]{"PAYMENT TYPE ",": "+ (payDetail.getCustomerMobile() == null || payDetail.getCustomerMobile().isEmpty() ? "-": payDetail.getCustomerMobile().toUpperCase())}, new int[]{2, 2}, new int[]{0, 0}, null);