Upgrader is a Flutter plugin that helps manage the user’s installed version of your app. This is where upgrader comes in handy it helps you put in place all those mechanisms in your app without too much overhead. Guide the user through updates if their app is not running the latest version Have a manageable list of versions that you supportĮnforce a minimum version you are supporting.There are three things you can do to reduce the impact of version fragmentation: Your infrastructure and services will need to support all these variations, resulting in more expensive business operations. Each version could have different features, device support, screen support, and even API versions. Understanding how upgrader worksĪs mentioned previously, version fragmentation will occur when there are too many versions of an app in the market. It has all the changes required to handle app updates and version restrictions on your own. To better understand the essentials, you can also check out this GitHub pull request. packages: Contains the data and domain layers.lib/features: Uses feature grouping to abstract different parts of the UI.lib/core: Core widgets and utilities shared between two or more features.lib/main.dart: Standard main file required for Flutter projects.Here’s a quick rundown of some important files you should be aware of: Open the project with your preferred IDE, and remember to get the dependencies with flutter pub get. To follow along, download the open source code available via GitHub and ensure you are using Flutter v3.0+. DWI is a simple incident counter app that supports multiple counters, styles, and a simple user interface. The tutorial portion of this article will use the Days Without Incidents (DWI) app to demonstrate concepts. Working knowledge of pushing mobile apps to the Google Play Store and Apple App Store.Basic knowledge of Flutter, stateful widgets, and package versioning.To follow along with this guide, you should have the following: Displaying alerts if the app is outdated.In this tutorial, we’ll discuss how upgrader works and we’ll demonstrate different strategies that can be used to handle app version upgrades. Fortunately, there’s a great Flutter plugin that helps you alert users and prompt them to update their app to the newest version: upgrader. Having multiple versions of your app out there can cause version fragmentation issues, which is an enormous problem for app development. This issue is especially important if you’re following a release early, release often philosophy frequently adding new content and features to your app, and releasing new versions at a pretty high cadence. This direct notification is also helpful for reaching people who are not subscribed to auto updates. However, there are times when an app needs to be updated more quickly than usual, and the user must be notified directly rather than relying on a store alert. Most users take advantage of this auto-upgrade feature to avoid having to update each app individually on their phones. A simple alert prompt or card is displayed when a newer app version is available in the Google Play Store or Apple App Store.
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