How to Fix error 1 Error – "Conversion to Dalvik format failed with error 1" on external JAR
Conversion to Dalvik format failed with error 1 due to duplicate class loading.
📋 Table of Contents
The error "Conversion to Dalvik format failed with error 1" on external JAR is often caused by a conflict between the Android SDK and the JAR file. This can occur when using libraries that are not compatible with the target Android version or when there are duplicate references to the same library.
🛑 Root Causes of the Error
- Conflicting libraries
- Duplicate references to the same library
- Incompatible JAR file with the target Android version
🛠️ Step-by-Step Verified Fixes
Method 1: Exclude the conflicting library
- Step 1: Open your project's build.gradle file and add the following line to exclude the conflicting library:
"'android','com.android.support:library', 'com.google.android.gms:**&')'.
Method 2: Update the JAR file
- Step 1: Download the latest version of the JAR file from the official website.
✨ Wrapping Up
By following these steps, you should be able to resolve the "Conversion to Dalvik format failed with error 1" issue on your external JAR file.
❓ Frequently Asked Questions
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