How to Resolve \"Unable to Execute Dex: Multiple Dex Files Define Error\" in Android?

Unable to Execute Dex: Multiple Dex Files Define Error in Android

This error occurs when multiple dex files contain the same class definition. It typically arises when building an Android application, particularly after updating to Android Development Tools (ADT) 15.

Possible Causes and Solutions:

1. Incorrect Build Path:

   • Ensure that the "bin" folder is not included in the build path of your project.
   • Check the "Build Path" settings in your project properties by right-clicking on the project and selecting "Properties."

2. Incorrect Library Placement:

   • Verify that the Honeycomb library is placed in the "libs" folder and not in the source folder.
   • Include the libraries located in the "libs" folder individually in the build path.

3. Outdated Library:

   • Consider using the "android-support-v4" library instead of the Honeycomb support library to ensure compatibility with later Android versions, such as Ice Cream Sandwich.

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