Addressed comments by sharadb-amazon

Author: pgregorr-amazon

examples/tv-casting-app/android/App/app/src/main/java/com/matter/casting/ConnectionExampleFragment.java

@@ -234,8 +234,8 @@ public void handle(CommissionerDeclaration cd) {
                                 }
                                 if (cd.getErrorCode() != CommissionerDeclaration.CdError.noError) {
                                   commissionerDeclarationErrorTextView.setText(
-                                      "CastingPlayer/Commissioner Error: "
-                                          + cd.getErrorCode().toString());
+                                      "CommissionerDeclaration error from CastingPlayer: "
+                                          + cd.getErrorCode().getDescription());
                                 }
                               });
                     }

examples/tv-casting-app/android/App/app/src/main/jni/com/matter/casting/support/CommissionerDeclaration.java

@@ -27,34 +27,54 @@ public class CommissionerDeclaration {
    * commissioning.
    */
   public enum CdError {
-    noError(0),
-    commissionableDiscoveryFailed(1),
-    paseConnectionFailed(2),
-    paseAuthFailed(3),
-    dacValidationFailed(4),
-    alreadyOnFabric(5),
-    operationalDiscoveryFailed(6),
-    caseConnectionFailed(7),
-    caseAuthFailed(8),
-    configurationFailed(9),
-    bindingConfigurationFailed(10),
-    commissionerPasscodeNotSupported(11),
-    invalidIdentificationDeclarationParams(12),
-    appInstallConsentPending(13),
-    appInstalling(14),
-    appInstallFailed(15),
-    appInstalledRetryNeeded(16),
-    commissionerPasscodeDisabled(17),
-    unexpectedCommissionerPasscodeReady(18);
+    noError(0, "No error"),
+    commissionableDiscoveryFailed(1, "Commissionable Node discovery failed"),
+    paseConnectionFailed(2, "PASE connection failed"),
+    paseAuthFailed(3, "PASE authentication failed (bad Passcode)"),
+    dacValidationFailed(4, "DAC validation failed"),
+    alreadyOnFabric(5, "Already on fabric"),
+    operationalDiscoveryFailed(6, "Operational Node discovery failed"),
+    caseConnectionFailed(7, "CASE connection failed"),
+    caseAuthFailed(8, "CASE authentication failed"),
+    configurationFailed(9, "Configuration failed"),
+    bindingConfigurationFailed(10, "Binding Configuration failed"),
+    commissionerPasscodeNotSupported(11, "Commissioner Passcode not supported"),
+    invalidIdentificationDeclarationParams(12, "Invalid UDC Identification Declaration parameters"),
+    appInstallConsentPending(13, "App Install Consent Pending"),
+    appInstalling(14, "App Installing"),
+    appInstallFailed(15, "App Install Failed"),
+    appInstalledRetryNeeded(16, "App Installed, Retry Needed"),
+    commissionerPasscodeDisabled(17, "Commissioner Passcode disabled"),
+    unexpectedCommissionerPasscodeReady(18, "Unexpected Commissioner Passcode ready");
+
     private final int value;
+    private final String description;
 
-    CdError(int value) {
+    private CdError(int value, String description) {
       this.value = value;
+      this.description = description;
+    }
+
+    private static String getDefaultDescription(int value) {
+      for (CdError error : CdError.values()) {
+        if (error.value == value) {
+          return error.name();
+        }
+      }
+      return "Unknown Error";
+    }
+
+    CdError(int value) {
+      this(value, getDefaultDescription(value));
     }
 
     public int getValue() {
       return value;
     }
+
+    public String getDescription() {
+      return description;
+    }
   }
   /** Feature: All - Indicates errors incurred during commissioning. */
   private CdError errorCode = CdError.noError;

examples/tv-casting-app/android/App/app/src/main/res/layout/fragment_matter_connection_example.xml

@@ -29,7 +29,6 @@
             android:layout_height="wrap_content"
             android:text="@string/matter_connection_next_button_text" />
 
-        <!-- TextView for CommissionerDeclaration errors -->
         <TextView
             android:id="@+id/commissionerDeclarationErrorTextView"
             android:layout_width="wrap_content"

examples/tv-casting-app/darwin/TvCasting/TvCasting/MCConnectionExampleView.swift

@@ -68,7 +68,7 @@ struct MCConnectionExampleView: View {
             Spacer()  // Push the error code to the bottom
             if let errorCode = viewModel.errorCodeDescription {
 
-                Text("CastingPlayer/Commissioner Error: \(errorCode)")
+                Text("\(errorCode)")
                     .foregroundColor(.red)
                     .padding()
             }

examples/tv-casting-app/darwin/TvCasting/TvCasting/MCConnectionExampleViewModel.swift

@@ -40,7 +40,7 @@ class MCConnectionExampleViewModel: ObservableObject {
 
     @Published var connectionStatus: String?;
 
-    @Published var errorCodeDescription: String?  // New published variable for error code
+    @Published var errorCodeDescription: String?
 
     func connect(selectedCastingPlayer: MCCastingPlayer?, useCommissionerGeneratedPasscode: Bool) {
         self.Log.info("MCConnectionExampleViewModel.connect() useCommissionerGeneratedPasscode: \(String(describing: useCommissionerGeneratedPasscode))")
@@ -70,7 +70,7 @@ class MCConnectionExampleViewModel: ObservableObject {
 
                 // Display CommissionerDeclaration error code if `errorCode` is not `kNoError`
                 if commissionerDeclarationMessage.errorCode != CdError.noError {
-                    self.errorCodeDescription = commissionerDeclarationMessage.getErrorCodeString()
+                    self.errorCodeDescription = "CommissionerDeclaration error from CastingPlayer: \(commissionerDeclarationMessage.getErrorCodeString())"
                     self.Log.error("MCConnectionExampleViewModel connect() Casting Player/Commissioner Error: \(self.errorCodeDescription ?? "Unknown Error")")
                 }
 
@@ -169,7 +169,6 @@ class MCConnectionExampleViewModel: ObservableObject {
         } else {
             identificationDeclarationOptions = MCIdentificationDeclarationOptions()
             targetAppInfo = MCTargetAppInfo(vendorId: kDesiredEndpointVendorId)
-            // 
             connectionCallbacks = MCConnectionCallbacks(
                 callbacks: connectionCompleteCallback,
                 commissionerDeclarationCallback: commissionerDeclarationCallback