アプリ内アップデートをサポートする（Unity）

AppUpdateManager appUpdateManager = new AppUpdateManager();

IEnumerator CheckForUpdate()
{
  PlayAsyncOperation<AppUpdateInfo, AppUpdateErrorCode> appUpdateInfoOperation =
    appUpdateManager.GetAppUpdateInfo();

  // Wait until the asynchronous operation completes.
  yield return appUpdateInfoOperation;

  if (appUpdateInfoOperation.IsSuccessful)
  {
    var appUpdateInfoResult = appUpdateInfoOperation.GetResult();
    // Check AppUpdateInfo's UpdateAvailability, UpdatePriority,
    // IsUpdateTypeAllowed(), ... and decide whether to ask the user
    // to start an in-app update.
  }
  else
  {
    // Log appUpdateInfoOperation.Error.
  }
}

var stalenessDays = appUpdateInfoOperation.ClientVersionStalenessDays;

{
  "releases": [{
      "versionCodes": ["88"],
      "inAppUpdatePriority": 5,
      "status": "completed"
  }]
}

var priority = appUpdateInfoOperation.UpdatePriority;

// Creates an AppUpdateOptions defining an immediate in-app
// update flow and its parameters.
var appUpdateOptions = AppUpdateOptions.ImmediateAppUpdateOptions();

// Creates an AppUpdateOptions defining a flexible in-app
// update flow and its parameters.
var appUpdateOptions = AppUpdateOptions.FlexibleAppUpdateOptions();

// Creates an AppUpdateOptions for an immediate flow that allows
// asset pack deletion.
var appUpdateOptions =
  AppUpdateOptions.ImmediateAppUpdateOptions(allowAssetPackDeletion: true);

// Creates an AppUpdateOptions for a flexible flow that allows asset
// pack deletion.
var appUpdateOptions =
  AppUpdateOptions.FlexibleAppUpdateOptions(allowAssetPackDeletion: true);

IEnumerator StartFlexibleUpdate()
{
  // Creates an AppUpdateRequest that can be used to monitor the
  // requested in-app update flow.
  var startUpdateRequest = appUpdateManager.StartUpdate(
    // The result returned by PlayAsyncOperation.GetResult().
    appUpdateInfoResult,
    // The AppUpdateOptions created defining the requested in-app update
    // and its parameters.
    appUpdateOptions);

  while (!startUpdateRequest.IsDone)
  {
  // For flexible flow,the user can continue to use the app while
  // the update downloads in the background. You can implement a
  // progress bar showing the download status during this time.
  yield return null;
  }

}

IEnumerator CompleteFlexibleUpdate()
{
  var result = appUpdateManager.CompleteUpdate();
  yield return result;

  // If the update completes successfully, then the app restarts and this line
  // is never reached. If this line is reached, then handle the failure (e.g. by
  // logging result.Error or by displaying a message to the user).
}

IEnumerator StartImmediateUpdate()
{
  // Creates an AppUpdateRequest that can be used to monitor the
  // requested in-app update flow.
  var startUpdateRequest = appUpdateManager.StartUpdate(
    // The result returned by PlayAsyncOperation.GetResult().
    appUpdateInfoResult,
    // The AppUpdateOptions created defining the requested in-app update
    // and its parameters.
    appUpdateOptions);
  yield return startUpdateRequest;

  // If the update completes successfully, then the app restarts and this line
  // is never reached. If this line is reached, then handle the failure (for
  // example, by logging result.Error or by displaying a message to the user).
}