In-app Updates: Update Your App Without Leaving It
In-app updates prompt users to update without leaving your app. Use the 'Flexible' flow for routine updates and the 'Immediate' flow for critical fixes. The footgun is overusing the disruptive 'Immediate' flow for non-critical changes.
Why it exists
Many users have automatic updates disabled or ignore Play Store notifications. In-app updates exist to reduce the friction of updating an app, increasing the adoption rate for new features and, more importantly, critical security patches, directly within the user's active session.
The mental model
Think of it as a website showing a "A new version is available, click to refresh" banner. Instead of forcing the user to leave your app, go to the Play Store, find the app, and tap "Update," you bring the update prompt directly to them, keeping them in your app's context.
How it works
Your app uses the Google Play Core Library to check if an update is available. If so, you can initiate one of two UI flows. The FLEXIBLE flow shows a dialog, downloads the update in the background while the user continues using the app, and then prompts for installation. The IMMEDIATE flow takes over the entire screen, forcing the user to update and restart the app before they can proceed. This is a blocking flow for critical situations.
When to use it
Use the FLEXIBLE flow for routine feature enhancements, UI improvements, or non-critical bug fixes. It's a gentle nudge. Reserve the IMMEDIATE flow only for truly critical updates, such as patching a major security vulnerability, fixing a crash that affects all users, or complying with a new legal requirement.
When not to use it
Do not use the IMMEDIATE flow for minor changes, feature promotions, or anything that isn't absolutely essential for the app to function securely and correctly. Abusing the immediate flow leads to user frustration and uninstalls. Also, don't trigger an update check on every single app launch; check strategically, for example, at the main activity's start.
One canonical example
A banking app discovers a severe security flaw. It pushes an update and uses the IMMEDIATE in-app update flow. Any user opening the old version is met with a full-screen, non-dismissible prompt to update, ensuring the vulnerability is patched before they can access their sensitive financial data again.
Interview question
For which scenario is the 'Immediate' in-app update flow most appropriate?
- a.Releasing minor bug fixes and performance enhancements
- b.Fixing a critical security vulnerability that could compromise user dataCorrect
- c.Encouraging users to try out a newly added experimental feature
- d.Implementing a new user interface design
Why? this is the answer
The 'Immediate' flow is specifically for critical updates like security vulnerabilities or crash fixes, as it blocks user interaction until the update is installed. Other scenarios, such as UI changes or minor bug fixes, are better handled by the less disruptive 'Flexible' flow.
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Read the original → developer.android.com
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