Скачать или смотреть Troubleshooting: Shared Preferences Dependency Issues in Your Flutter Project

Struggling with the `shared_preferences` dependency in your Flutter project? Learn how to resolve build failures and ensure a smooth integration of this essential package for managing data.
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This video is based on the question https://stackoverflow.com/q/77033583/ asked by the user 'Alireza Ghaznavi' ( https://stackoverflow.com/u/20845166/ ) and on the answer https://stackoverflow.com/a/77078768/ provided by the user 'Azad Hossain' ( https://stackoverflow.com/u/14659281/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Solving Shared Preferences Dependency Issues in Flutter

When working on a Flutter project, you might encounter issues while adding the shared_preferences dependency to your pubspec.yaml file. A common problem arises when the addition of this dependency prevents your project from running properly, leading to frustrating build failures. Let's explore this issue in detail and provide a clear, step-by-step solution.

The Problem

After adding the shared_preferences dependency with the latest version 2.2.0, you might see error messages like this during your project build:

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Additionally, even after attempting to add the necessary initialization code in your main function using WidgetsFlutterBinding.ensureInitialized(), you may still face challenges. Alternatively, removing the dependency allows the project to run without issues, but the need for shared_preferences is crucial for saving data like tokens as strings.

The Solution

To resolve the build conflict associated with the shared_preferences dependency, you need to ensure that your Gradle version is compatible and up to date. Here are the detailed steps to achieve this:

Step 1: Update Gradle Version

You will need to check and update the Gradle version used in your Flutter project.

Locate the Gradle Wrapper Properties

Open your Flutter project and navigate to the file at:

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Update the distributionUrl to use the latest version of Gradle (e.g., 7.5):

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Update the Build Script Dependencies

Next, go to the build script file located at:

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Modify the dependencies section to include the correct version of the Android Gradle plugin. Change or add the following line:

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Add the Dependency Using Flutter Commands

Once you've updated the Gradle version, you can proceed to add the shared_preferences dependency without issues. Follow these commands in your terminal:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

By updating your Gradle version and ensuring that your Flutter environment is compatible with the shared_preferences dependency, you should be able to run your project successfully. These simple yet effective steps can save you from future headaches related to build failures in your Flutter applications. Don't forget that the shared_preferences package is essential for storing user data, making it a crucial element in many applications.

Key Takeaways:

Always keep your Gradle version updated.

Make necessary changes in both gradle-wrapper.properties and build.gradle files.

Use Flutter commands to manage your dependencies efficiently.

Implement these solutions, and enjoy a smoother development experience with Flutter!