Silent Policy Check

Goal

Check for updates silently without blocking UI, and conditionally show update prompt based on policy.

Actions Required

Action	Purpose
AppUpdaterRequestUpdateInfo	Query store for update status (cached)
AppUpdaterGetRequestUpdateInfoSuccessResult	Read updateStatus after SUCCESS

Variables Needed

• updateStatus (Enum: AppUpdaterUpdateStatus)

• lastCheckTime (DateTime)

• checkInterval (Int) - hours between checks

Implementation Steps

1. CheckIfTimeToCheck (Entry State)

Calculate time since lastCheckTime:

• If >= checkInterval → PerformCheck

• If < checkInterval → Skip

2. PerformCheck

Action: AppUpdaterRequestUpdateInfo

• Run asynchronously in background

• Events:

  • successEvent → GetStatus

  • failureEvent → Skip

3. GetStatus

Action: AppUpdaterGetRequestUpdateInfoSuccessResult

• Outputs:

  • updateStatus → updateStatus

4. ProcessResult

Save current time to lastCheckTime.

• If updateStatus == Available or Downloaded → ApplyUpdatePolicy

• Else → Skip

5. ApplyUpdatePolicy

Apply business logic:

• Critical update → Show immediate alert

• Major version → Show on next launch

• Minor version → Show badge/banner (non-intrusive)

• Patch version → Log only, no UI

6. Skip

Continue normal app flow without interruption

Common Issues

• Check frequency: Don't check too often (recommend: 24 hours)

• Battery/data: Avoid checks on cellular if large metadata

• Persistence: Save lastCheckTime to PlayerPrefs

• Background limits: iOS/Android may throttle background checks

Best Practices

• Check once per day maximum

• Use PlayerPrefs to track last check time

• Show update UI only for significant versions

• Respect user's "Don't show again" preference

Flow Diagram

CheckIfTimeToCheck
├─ Time elapsed → PerformCheck
│                 ├─ SUCCESS → GetStatus → ProcessResult
│                 │                         ├─ Available/Downloaded → ApplyUpdatePolicy → [UI based on severity]
│                 │                         └─ NotAvailable → Skip
│                 └─ FAILURE → Skip
└─ Too soon → Skip

Use When

• Daily app launch checks

• Non-intrusive version monitoring

• Gradual rollout strategies

• A/B testing update prompts