Resolving the Execution failed for task ':app:processDebugMainManifest' Error in Flutter

Learn how to fix the common `Execution failed for task ':app:processDebugMainManifest'` error in Flutter by modifying your minSdkVersion settings easily.
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Understanding the Error: Execution failed for task ':app:processDebugMainManifest'

If you are developing a Flutter application and have encountered the error message Execution failed for task ':app:processDebugMainManifest', you're not alone. This issue is common among developers, particularly when integrating Firebase features, such as cloud_firestore, into their apps.

What Does the Error Mean?

The error typically indicates a mismatch in your application's minimum SDK version and the required minimum SDK version of a library you are using. In this case, the conflict arises between your minSdkVersion and the version required by the cloud_firestore library.

The specific message usually states:

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

This means that while your application is currently set to use a minSdkVersion of 16, the cloud_firestore library needs a minimum SDK version of 19 to function properly.

How to Fix the Error

To resolve this error, you need to update your minSdkVersion in your Flutter project's configuration files. Here’s a step-by-step guide on how to do this.

Step 1: Update local_properties

Open your Flutter project directory.

Add the following line:

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

This sets a base minimum SDK version of 21, which is well above the required 19.

Now, you’ll need to reflect this change in your build configuration.

Find the defaultConfig block within this file. It should look something like this:

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

Update the minSdkVersion value to use the property you just added:

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

Step 3: Clean and Rebuild Your Flutter Project

After making the changes, it’s important to clean your project and install dependencies afresh. Run the following commands in your terminal:

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

These commands will help ensure that your project is free of old build artifacts and has all the updated dependencies.

Conclusion

By following these steps, you should now be able to resolve the Execution failed for task ':app:processDebugMainManifest' error in your Flutter application. Always keep an eye on the minSdkVersion requirements when integrating new packages, as it can save you time and frustration in the long run.

Happy coding! If you have any other issues or questions, feel free to reach out or comment below!