cahier fixed, now it send redirect-signal with amout to pinpad and recieve redirect-success

pos_android_app/src/main/java/com/dspread/pos/ui/cashier/CashierFragment.java

@@ -3,31 +3,39 @@ package com.dspread.pos.ui.cashier;
 import android.app.Activity;
 import android.content.Intent;
 import android.os.Bundle;
+import android.text.Editable;
+import android.text.TextWatcher;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.ViewGroup;
 
 import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
+
 import androidx.lifecycle.viewmodel.CreationExtras;
 
 import com.dspread.pos.common.base.BaseFragment;
 import com.dspread.pos.TitleProviderListener;
-import com.dspread.pos.ui.main.MainActivity;
+
-import com.dspread.pos.ui.main.MainViewModel;
-import com.dspread.pos.ui.mulberry.MulberryViewModel;
 import com.dspread.pos_android_app.R;
 import com.dspread.pos_android_app.databinding.FragmentCashierBinding;
 
 import com.dspread.pos_android_app.BR;
 
+import android.view.KeyEvent;
+
+import android.view.View;
+
+import android.view.inputmethod.EditorInfo;
+import android.widget.EditText;
+import android.widget.TextView;
+
+import org.json.JSONObject;
+
 public class CashierFragment extends BaseFragment<FragmentCashierBinding, CashierViewModel  >
         implements TitleProviderListener{
-
+    private EditText etAmountInput;
     @Override
     public void initViewObservable() {
-        // Observe item click events
-        // Handle fragment navigation
 
 // Observe payment info LiveData
         viewModel.getPaymentInfo().observe(getViewLifecycleOwner(), paymentInfo -> {
@@ -58,6 +66,109 @@ public class CashierFragment extends BaseFragment<FragmentCashierBinding, Cashie
         return BR.viewModel;
     }
 
+    @Override
+    public void initData() {
+        super.initData();
+
+        // Setup amount input field
+        setupAmountInput();
+    }
+    private void setupAmountInput() {
+        // Find the EditText in layout
+        etAmountInput = binding.getRoot().findViewById(R.id.etAmountInput);
+
+        if (etAmountInput != null) {
+            // Request focus
+            etAmountInput.requestFocus();
+
+            // Add text watcher to update amount in real-time
+            etAmountInput.addTextChangedListener(new TextWatcher() {
+                @Override
+                public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
+
+                @Override
+                public void onTextChanged(CharSequence s, int start, int before, int count) {}
+
+                @Override
+                public void afterTextChanged(Editable s) {
+                    String input = s.toString().trim();
+                    if (!input.isEmpty()) {
+                        try {
+                            // Convert cents to dollars and update ViewModel
+                            double dollars = Double.parseDouble(input) / 100.0;
+                            viewModel.amount.set(String.format("%.2f", dollars));
+                        } catch (NumberFormatException e) {
+                            // Handle invalid input
+                            viewModel.amount.set("0.00");
+                        }
+                    } else {
+                        viewModel.amount.set("0.00");
+                    }
+                }
+            });
+
+            // Set up Enter key listener
+            etAmountInput.setOnEditorActionListener(new TextView.OnEditorActionListener() {
+                @Override
+                public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
+                    if (actionId == EditorInfo.IME_ACTION_DONE) {
+                        handleEnterPressed();
+                        return true;
+                    }
+                    return false;
+                }
+            });
+
+            // Handle physical keyboard Enter key
+            etAmountInput.setOnKeyListener(new View.OnKeyListener() {
+                @Override
+                public boolean onKey(View v, int keyCode, KeyEvent event) {
+                    if (event.getAction() == KeyEvent.ACTION_DOWN && keyCode == KeyEvent.KEYCODE_ENTER) {
+                        handleEnterPressed();
+                        return true;
+                    }
+                    return false;
+                }
+            });
+        }
+    }
+
+    private void handleEnterPressed() {
+        if (etAmountInput != null) {
+            String amount = etAmountInput.getText().toString().trim();
+
+            if (!amount.isEmpty()) {
+                try {
+                    // Create JSON signal
+                    JSONObject paymentData = new JSONObject();
+                    paymentData.put("type", "redirect");
+                    paymentData.put("amount", amount);
+                    paymentData.put("currencySymbol", "$");
+                    paymentData.put("id", "01534090202502210065");
+                    paymentData.put("status", "signal");
+
+                    // Send via WebSocket
+                    viewModel.sendMessage(paymentData.toString());
+
+                    // Reset input field
+                    etAmountInput.setText("");
+
+                } catch (Exception e) {
+                    Log.e("CashierFragment", "Error creating JSON", e);
+                }
+            }
+        }
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        // Request focus when fragment resumes
+        if (etAmountInput != null) {
+            etAmountInput.requestFocus();
+        }
+    }
+
     @NonNull
     @Override
     public CreationExtras getDefaultViewModelCreationExtras() {

pos_android_app/src/main/java/com/dspread/pos/ui/cashier/CashierViewModel.java

@@ -165,7 +165,6 @@ public class CashierViewModel extends BaseAppViewModel {
     }
 
 
-
     @Override
     protected void onPaymentRedirected(String jsonString) {
         Log.d(TAG, "onPaymentRedirected - processing redirect payment");
@@ -202,4 +201,15 @@ public class CashierViewModel extends BaseAppViewModel {
 
     }
 
+
+    // Add this method to your existing CashierViewModel class:
+    public void sendMessage(String message) {
+        try {
+            sendWebSocketMessage(message);
+
+        } catch (Exception e) {
+            Log.e(TAG, "Error sending WebSocket message", e);
+        }
+    }
+
 }

pos_android_app/src/main/res/layout/fragment_cashier.xml

@@ -18,6 +18,26 @@
         android:gravity="center"
         android:padding="16dp">
 
+        <!-- Real-time amount display -->
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@{viewModel.amount + ` ` + viewModel.currencyCode}"
+            android:textSize="24sp"
+            android:textStyle="bold"
+            android:textColor="@color/black"
+            android:layout_marginTop="16dp"
+            android:gravity="center"/>
+
+        <EditText
+            android:id="@+id/etAmountInput"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:inputType="numberDecimal"
+            android:hint="Enter amount"
+            android:imeOptions="actionDone"
+            android:maxLines="1"/>
+
         <!-- Waiting State -->
         <LinearLayout
             android:id="@+id/waitingLayout"
@@ -30,7 +50,7 @@
             <TextView
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:text="Please tap or scan QR code on M50 pinpad"
+                android:text="Enter amount for pinpad M50 to pay"
                 android:textSize="18sp"
                 android:textStyle="bold"
                 android:gravity="center" />
@@ -45,13 +65,13 @@
             android:gravity="center"
             android:visibility="@{viewModel.paymentStatus == PaymentStatus.SUCCESS ? View.VISIBLE : View.GONE}">
 
-            <TextView
+<!--            <TextView-->
-                android:layout_width="wrap_content"
+<!--                android:layout_width="wrap_content"-->
-                android:layout_height="wrap_content"
+<!--                android:layout_height="wrap_content"-->
-                android:text="@{viewModel.amount + ` ` + viewModel.currencyCode}"
+<!--                android:text="@{viewModel.amount + ` ` + viewModel.currencyCode}"-->
-                android:textSize="24sp"
+<!--                android:textSize="24sp"-->
-                android:textStyle="bold"
+<!--                android:textStyle="bold"-->
-                android:gravity="center" />
+<!--                android:gravity="center" />-->
 
             <Button
                 android:layout_width="wrap_content"