Identity add holder issuance snippets

[cy245]

No description provided.

[snippet-bot]

Here is the summary of changes.

You are about to add 4 region tags.

• identity/credentialmanager/src/main/java/com/example/identity/credentialmanager/DigitalCredentialHolder.kt:186, tag android_identity_register_issuance_create_options
• identity/credentialmanager/src/main/java/com/example/identity/credentialmanager/DigitalCredentialHolder.kt:203, tag android_identity_handle_issuance_create_option_selected
• identity/credentialmanager/src/main/java/com/example/identity/credentialmanager/DigitalCredentialHolder.kt:226, tag android_identity_issuance_return_credential_response
• identity/credentialmanager/src/main/java/com/example/identity/credentialmanager/DigitalCredentialHolder.kt:238, tag android_identity_issuance_handle_credential_exception

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[gemini-code-assist]

Code Review

This pull request updates the Credential Manager implementation by modularizing digital credential dependencies and introducing support for credential issuance registration and password-based sign-in. The review feedback identifies a compilation error due to a missing parenthesis in the issuance registration logic, recommends replacing unsafe non-null assertions with safe calls to prevent potential crashes, and suggests removing redundant object wrapping and unnecessary coroutine scopes to improve code clarity and efficiency.

[gemini-code-assist]

The use of the non-null assertion operator (!!) is unsafe here. If retrieveProviderCreateCredentialRequest returns null, the application will crash. Using a safe call (?.) is recommended to prevent potential NullPointerExceptions.

Suggested change

	if (request is CreateDigitalCredentialRequest) {
	val request = pendingIntentRequest?.callingRequest

[gemini-code-assist]

The response parameter is already an instance of CreateDigitalCredentialResponse. Re-wrapping it in a new CreateDigitalCredentialResponse object is redundant and inefficient.

Suggested change

	resultData,
	CreateDigitalCredentialResponse(response.responseJson)
	)
	setResult(RESULT_OK, resultData)
	PendingIntentHandler.setCreateCredentialResponse(
	resultData,
	response
	)

[gemini-code-assist]

The coroutineScope builder is redundant here as there is only a single block of suspending code and no concurrent operations are being launched. Removing it simplifies the code without changing its behavior.

            try {
                val result = credentialManager.getCredential(
                    context = activityContext,
                    request = credentialRequest
                )
                handlePasswordSignIn(result)
            } catch (e: GetCredentialException) {
                // Handle failure
            }