Addressed comments by sharadb-amazon

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

@@ -28,10 +28,6 @@
 
 public class InitializationExample {
   private static final String TAG = InitializationExample.class.getSimpleName();
-  // Dummy values for commissioning demonstration only. These are hard coded in the example tv-app:
-  // connectedhomeip/examples/tv-app/tv-common/src/AppTv.cpp
-  private static final long DUMMY_SETUP_PASSCODE = 20202021;
-  private static final int DUMMY_DISCRIMINATOR = 3874;
 
   /**
    * DataProvider implementation for the Unique ID that is used by the SDK to generate the Rotating
@@ -53,6 +49,12 @@ public byte[] get() {
    * through commissioning
    */
   public static class CommissionableDataProvider implements DataProvider<CommissionableData> {
+    // Dummy values for commissioning demonstration only. These are hard coded in the example
+    // tv-app:
+    // connectedhomeip/examples/tv-app/tv-common/src/AppTv.cpp
+    private static final long DUMMY_SETUP_PASSCODE = 20202021;
+    private static final int DUMMY_DISCRIMINATOR = 3874;
+
     CommissionableData commissionableData =
         new CommissionableData(DUMMY_SETUP_PASSCODE, DUMMY_DISCRIMINATOR);
 

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

@@ -166,7 +166,7 @@ public String toString() {
     sb.append("IdentificationDeclarationOptions::targetAppInfos list: \n");
 
     for (TargetAppInfo targetAppInfo : targetAppInfos) {
-      sb.append("\t\t").append(targetAppInfo.toString()).append("\n");
+      sb.append("\t\t").append(targetAppInfo).append("\n");
     }
 
     return sb.toString();

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

@@ -41,7 +41,6 @@ public TargetAppInfo(Integer vendorId, Integer productId) {
    */
   public TargetAppInfo(Integer vendorId) {
     this.vendorId = vendorId;
-    this.productId = null; // product ID unspecified
   }
 
   /**
@@ -62,15 +61,6 @@ public Integer getProductId() {
     return productId;
   }
 
-  /**
-   * Returns both vendorId and productId as an array.
-   *
-   * @return an array with vendorId and productId.
-   */
-  public Integer[] getVendorAndProductId() {
-    return new Integer[] {vendorId, productId};
-  }
-
   /**
    * Returns a string representation of the object.
    *

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

@@ -88,8 +88,18 @@ class MCConnectionExampleViewModel: ObservableObject {
                                 dataSource.update(newCommissionableData)
                                 self.Log.info("MCConnectionExampleViewModel connect() commissionerDeclarationCallback, Updated MCAppParametersDataSource instance with new MCCommissionableData.")
                             } else {
-                                self.Log.error("MCConnectionExampleViewModel connect() commissionerDeclarationCallback, InitializationExample.getAppParametersDataSource() failed")
+                                self.Log.error("MCConnectionExampleViewModel connect() commissionerDeclarationCallback, InitializationExample.getAppParametersDataSource() failed, calling stopConnecting()")
                                 self.connectionStatus = "Failed to update the MCAppParametersDataSource with the user entered passcode: \n\nRoute back and try again."
+                                self.connectionSuccess = false
+                                // Since we failed to update the passcode, Attempt to cancel the connection attempt with
+                                // the CastingPlayer/Commissioner.
+                                let err = selectedCastingPlayer?.stopConnecting()
+                                if err == nil {
+                                    self.Log.info("MCConnectionExampleViewModel connect() commissionerDeclarationCallback, InitializationExample.getAppParametersDataSource() failed, then stopConnecting() succeeded")
+                                } else {
+                                    self.Log.error("MCConnectionExampleViewModel connect() commissionerDeclarationCallback, InitializationExample.getAppParametersDataSource() failed, then stopConnecting() failed due to: \(err)")
+                                }
+                                return
                             }
 
                             self.Log.info("MCConnectionExampleViewModel connect() commissionerDeclarationCallback, calling MCCastingPlayer.continueConnecting()")
@@ -99,6 +109,14 @@ class MCConnectionExampleViewModel: ObservableObject {
                             } else {
                                 self.connectionStatus = "Continue Connecting to Casting Player failed with: \(String(describing: errContinue)) \n\nRoute back and try again."
                                 self.Log.error("MCConnectionExampleViewModel connect() commissionerDeclarationCallback, MCCastingPlayer.continueConnecting() failed due to: \(errContinue)")
+                                // Since continueConnecting() failed, Attempt to cancel the connection attempt with
+                                // the CastingPlayer/Commissioner.
+                                let err = selectedCastingPlayer?.stopConnecting()
+                                if err == nil {
+                                    self.Log.info("MCConnectionExampleViewModel connect() commissionerDeclarationCallback, MCCastingPlayer.continueConnecting() failed, then stopConnecting() succeeded")
+                                } else {
+                                    self.Log.error("MCConnectionExampleViewModel connect() commissionerDeclarationCallback, MCCastingPlayer.continueConnecting() failed, then stopConnecting() failed due to: \(err)")
+                                }
                             }
                         }, cancelConnecting: {
                             self.Log.info("MCConnectionExampleViewModel connect() commissionerDeclarationCallback, Connection attempt cancelled by the user, calling MCCastingPlayer.stopConnecting()")

examples/tv-casting-app/linux/simple-app-helper.cpp

@@ -394,6 +394,10 @@ CHIP_ERROR CommandHandler(int argc, char ** argv)
         targetCastingPlayer = castingPlayers.at(index);
 
         gCommissionerGeneratedPasscodeFlowRunning = false;
+
+        // Specify the TargetApp that the client wants to interact with after commissioning. If this value is passed in,
+        // VerifyOrEstablishConnection() will force UDC, in case the desired TargetApp is not found in the on-device
+        // CastingStore
         matter::casting::core::IdentificationDeclarationOptions idOptions;
         chip::Protocols::UserDirectedCommissioning::TargetAppInfo targetAppInfo;
         targetAppInfo.vendorId = kDesiredEndpointVendorId;
@@ -474,6 +478,7 @@ CHIP_ERROR CommandHandler(int argc, char ** argv)
                 ChipLogError(AppServer,
                              "CommandHandler() setcommissionerpasscode InitCommissionableDataProvider() err %" CHIP_ERROR_FORMAT,
                              err.Format());
+                return err;
             }
             // Update the CommissionableDataProvider stored in this CastingApp's AppParameters and the CommissionableDataProvider to
             // be used for the commissioning session.
@@ -483,21 +488,35 @@ CHIP_ERROR CommandHandler(int argc, char ** argv)
                 ChipLogError(AppServer,
                              "CommandHandler() setcommissionerpasscode InitCommissionableDataProvider() err %" CHIP_ERROR_FORMAT,
                              err.Format());
+                return err;
             }
 
             // Continue Connecting to the target CastingPlayer with the user entered Commissioner-generated Passcode.
             err = targetCastingPlayer->ContinueConnecting();
             if (err != CHIP_NO_ERROR)
             {
-                ChipLogError(AppServer, "CommandHandler() setcommissionerpasscode ContinueConnecting() err %" CHIP_ERROR_FORMAT,
+                ChipLogError(AppServer,
+                             "CommandHandler() setcommissionerpasscode ContinueConnecting() failed due to err %" CHIP_ERROR_FORMAT,
                              err.Format());
+                // Since continueConnecting() failed, Attempt to cancel the connection attempt with
+                // the CastingPlayer/Commissioner by calling StopConnecting().
+                err = targetCastingPlayer->StopConnecting();
+                if (err != CHIP_NO_ERROR)
+                {
+                    ChipLogError(AppServer,
+                                 "CommandHandler() setcommissionerpasscode, ContinueConnecting() failed and then StopConnecting "
+                                 "failed due to err %" CHIP_ERROR_FORMAT,
+                                 err.Format());
+                }
+                return err;
             }
         }
         else
         {
             ChipLogError(
                 AppServer,
                 "CommandHandler() setcommissionerpasscode, no Commissioner-Generated passcode input expected at this time.");
+            return CHIP_ERROR_INVALID_ARGUMENT;
         }
     }
     if (strcmp(argv[0], "stop-connecting") == 0)
@@ -507,6 +526,7 @@ CHIP_ERROR CommandHandler(int argc, char ** argv)
         if (err != CHIP_NO_ERROR)
         {
             ChipLogError(AppServer, "CommandHandler() stop-connecting, err %" CHIP_ERROR_FORMAT, err.Format());
+            return err;
         }
     }
     if (strcmp(argv[0], "print-bindings") == 0)