AAPT Error: Resource not found android:attr lStar.

Introduction

As an Android developer, you might have come across the following error message:

AAPT: Error: Resource not found android:attr lStar.

This error occurs when AAPT (Android Asset Packaging Tool) fails to find the resource mentioned (in this case, android:attr lStar), which is referenced in your code or layout file.

In this guide, we will discuss the causes and solutions for this error.

Causes

There can be multiple reasons why AAPT is not able to find the resource.

1. Incorrect SDK Version

The attribute might be specific to a certain Android version and you may be using an older SDK version. In this case, you need to upgrade your SDK to the required version.

2. Missing Dependency

There might be a missing dependency in your project, which is causing the error. Check your Gradle files to ensure all the dependencies are included.

3. Typos or Incorrect Naming

There might be a typo or incorrect naming in your code or layout file, which is causing AAPT to fail to find the resource.

Solutions

Here are some solutions to fix the 'AAPT Error: Resource not found android:attr lStar' error:

1. Upgrade your SDK Version

If the attribute is specific to a certain Android version, upgrading your SDK version might fix the error. Make sure to check the documentation and requirements for the attribute.

2. Check Dependencies

Ensure that all the dependencies required for your project are included in your Gradle files.

3. Check for Typos or Incorrect Naming

Check your code and layout files for typos or incorrect naming that may be causing AAPT to not find the resource.

Conclusion

The 'AAPT Error: Resource not found android:attr lStar' error occurs when AAPT fails to find the resource mentioned. While there can be multiple causes for this error, upgrading your SDK version, checking dependencies, and ensuring proper naming can help to fix the issue.