firebase-dataconnect minimal demo app added

[dconeybe]

Add a very, very basic, standalone demo app for Firebase Data Connect.

[github-actions]

Release note changes

No release note changes were detected. If you made changes that should be
present in the next release, ensure you've added an entry in the appropriate
CHANGELOG.md file(s).

[github-actions]

Vertex AI Mock Responses Check ⚠️

A newer major version of the mock responses for Vertex AI unit tests is available. update_responses.sh should be updated to clone the latest version of the responses: v5.2

[google-oss-bot]

Coverage Report ¹

Affected Products

• firebase-dataconnect

  Overall coverage changed from ? (71ceb1b) to 14.12% (7ccacf1) by ?.

  57 individual files with coverage change

  Filename	Base (71ceb1b)	Merge (7ccacf1)	Diff
  AlphanumericStringUtil.kt	?	0.00%	?
  AnyValue.kt	?	0.00%	?
  AnyValueSerializer.kt	?	0.00%	?
  Comparisons.kt	?	0.00%	?
  ConnectorConfig.kt	?	33.33%	?
  CoroutineExceptionHandler.kt	?	50.00%	?
  DataConnectAppCheck.kt	?	71.43%	?
  DataConnectAuth.kt	?	71.43%	?
  DataConnectCredentialsTokenManager.kt	?	32.32%	?
  DataConnectError.kt	?	0.00%	?
  DataConnectException.kt	?	0.00%	?
  DataConnectGrpcClient.kt	?	0.00%	?
  DataConnectGrpcMetadata.kt	?	65.82%	?
  DataConnectGrpcRPCs.kt	?	0.00%	?
  DataConnectSettings.kt	?	33.33%	?
  DataConnectUntypedData.kt	?	0.00%	?
  DataConnectUntypedVariables.kt	?	0.00%	?
  ExperimentalFirebaseDataConnect.kt	?	0.00%	?
  FirebaseDataConnect.kt	?	50.00%	?
  FirebaseDataConnectFactory.kt	?	29.17%	?
  FirebaseDataConnectImpl.kt	?	46.67%	?
  FirebaseDataConnectRegistrar.kt	?	100.00%	?
  GeneratedConnector.kt	?	0.00%	?
  GeneratedMutation.kt	?	0.00%	?
  GeneratedOperation.kt	?	0.00%	?
  GeneratedQuery.kt	?	0.00%	?
  Globals.kt	?	0.00%	?
  JavaTimeLocalDateSerializer.kt	?	0.00%	?
  KotlinxDatetimeLocalDateSerializer.kt	?	0.00%	?
  LiveQueries.kt	?	0.00%	?
  LiveQuery.kt	?	0.00%	?
  LocalDate.kt	?	0.00%	?
  LocalDateSerializer.kt	?	0.00%	?
  Logger.kt	?	52.17%	?
  LogLevel.kt	?	100.00%	?
  MutationRef.kt	?	0.00%	?
  MutationRefImpl.kt	?	12.36%	?
  NullableReference.kt	?	40.00%	?
  NullOutputStream.kt	?	0.00%	?
  OperationRef.kt	?	0.00%	?
  OperationRefImpl.kt	?	20.45%	?
  OptionalVariable.kt	?	0.00%	?
  ProtoStructDecoder.kt	?	0.00%	?
  ProtoStructEncoder.kt	?	0.00%	?
  ProtoUtil.kt	?	0.00%	?
  QueryManager.kt	?	0.00%	?
  QueryRef.kt	?	0.00%	?
  QueryRefImpl.kt	?	14.08%	?
  QuerySubscription.kt	?	0.00%	?
  QuerySubscriptionImpl.kt	?	0.00%	?
  QuerySubscriptionInternal.kt	?	0.00%	?
  ReferenceCounted.kt	?	0.00%	?
  RegisteredDataDeserialzer.kt	?	0.00%	?
  SequencedReference.kt	?	0.00%	?
  SuspendingLazy.kt	?	31.58%	?
  TimestampSerializer.kt	?	0.00%	?
  UUIDSerializer.kt	?	0.00%	?

Test Logs

• Merge (7ccacf1): https://github.com/firebase/firebase-android-sdk/actions/runs/12188199858

1. https://storage.googleapis.com/firebase-sdk-metric-reports/lEm24UvbDU.html

[google-oss-bot]

Size Report ¹

Affected Products

No changes between base commit (71ceb1b) and merge commit (7ccacf1).

Test Logs

• Base (71ceb1b): https://github.com/firebase/firebase-android-sdk/actions/runs/12187879895
• Merge (7ccacf1): https://github.com/firebase/firebase-android-sdk/actions/runs/12188199858

1. https://storage.googleapis.com/firebase-sdk-metric-reports/bUZepJ2xhD.html

[github-actions]

Test Results

   62 files  +   54     62 suites  +54   1m 12s ⏱️ +53s
  541 tests +  519    540 ✅ +  518  1 💤 +1  0 ❌ ±0 
1 082 runs  +1 038  1 080 ✅ +1 036  2 💤 +2  0 ❌ ±0 

Results for commit bef8062. ± Comparison against base commit 71ceb1b.

This pull request removes 22 and adds 541 tests. Note that renamed tests count towards both.

com.google.firebase.crashlytics.internal.common.CrashlyticsControllerRobolectricTest ‑ testDoCloseSession_disabledAnrs_doesNotPersistsAppExitInfo
com.google.firebase.crashlytics.internal.common.CrashlyticsControllerRobolectricTest ‑ testDoCloseSession_enabledAnrs_doesNotPersistsAppExitInfoIfItDoesntExist
com.google.firebase.crashlytics.internal.common.CrashlyticsControllerRobolectricTest ‑ testDoCloseSession_enabledAnrs_persistsAppExitInfoIfItExists
com.google.firebase.crashlytics.internal.common.DataCollectionArbiterRobolectricTest ‑ testDefaultDataCollection_usedWhenNoOverrideOrManifestSetting
com.google.firebase.crashlytics.internal.common.DataCollectionArbiterRobolectricTest ‑ testManifestMetadata_respectedWhenNoOverride
com.google.firebase.crashlytics.internal.common.DataCollectionArbiterRobolectricTest ‑ testSetCrashlyticsDataCollectionEnabled_overridesOtherSettings
com.google.firebase.crashlytics.internal.common.SessionReportingCoordinatorRobolectricTest ‑ testAppExitInfoEvent_notPersistIfAnrBeforeSession
com.google.firebase.crashlytics.internal.common.SessionReportingCoordinatorRobolectricTest ‑ testAppExitInfoEvent_notPersistIfAppExitInfoNotAnrButWithinSession
com.google.firebase.crashlytics.internal.common.SessionReportingCoordinatorRobolectricTest ‑ testAppExitInfoEvent_persistIfAnrWithinSession
com.google.firebase.crashlytics.internal.common.SessionReportingCoordinatorRobolectricTest ‑ testAppExitInfoEvent_persistIfAnrWithinSession_multipleAppExitInfo
…

com.google.firebase.dataconnect.AnyValueSerializerUnitTest ‑ descriptor should have expected values
com.google.firebase.dataconnect.AnyValueSerializerUnitTest ‑ deserialize() should throw UnsupportedOperationException
com.google.firebase.dataconnect.AnyValueSerializerUnitTest ‑ serialize() should throw UnsupportedOperationException
com.google.firebase.dataconnect.AnyValueUnitTest ‑ constructor(Boolean) creates an object with the expected value
com.google.firebase.dataconnect.AnyValueUnitTest ‑ constructor(Double) creates an object with the expected value (edge cases)
com.google.firebase.dataconnect.AnyValueUnitTest ‑ constructor(Double) creates an object with the expected value (normal cases)
com.google.firebase.dataconnect.AnyValueUnitTest ‑ constructor(List) creates an object with the expected value (edge cases)
com.google.firebase.dataconnect.AnyValueUnitTest ‑ constructor(List) creates an object with the expected value (normal cases)
com.google.firebase.dataconnect.AnyValueUnitTest ‑ constructor(Map) creates an object with the expected value (edge cases)
com.google.firebase.dataconnect.AnyValueUnitTest ‑ constructor(Map) creates an object with the expected value (normal cases)
…

♻️ This comment has been updated with latest results.

[aashishpatil-g]

It would be nice if we also showed Delete and List operations in the app.

Chatted offline with Denver and he is planning to do this in a following PR.