12/6/2023 0 Comments Flutter provider 5![]() More information on building for Windows desktop is available in my previous DZone article, Build Great Windows Desktop Apps With Flutter. The easiest way to get the AVD is to install Android Studio. To run Android, you need an Android Virtual Device. Note, to run Windows, you will need Visual Studio (not just VS Code) installed. The full code for the widget of the thumbnail is shown below. ImageNotifier is the name of the class we created that extends ChangeNotifier, which is built into Flutter. The code may look a bit confusing at first, but you'll quickly get used to it with just a little bit of practice. Instead of the button changing the imageName variable in screen 2 directly, the button talks to an intermediary that sends a notification to any widget that has subscribed to the change.ĭisplayImage(imageName) Updating the Imageįrom screen 1, we need to call the updateImage() method. More importantly, it requires a change in thinking about how the image is displayed. The provider process adds a few additional steps. It becomes increasingly difficult to manage as the application gets more complex. The process above is easier to understand for simple applications. Let's look at an alternative process with psuedo-code.
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