How to solve error: Conversion to Dalvik format failed with error 1 in Android on export

Signing Android APK is the latest step from our  Android app development process before uploading it to Google Play Store. Using a production keystore, we can easily create a signed apk using Export menu on Eclipse IDE. But sometimes, the error might occur while exporting it.

android conversion dalvik format failed with error 1

Conversion to Dalvik format failed with error 1 in Android on export is a common error in my experience when exporting or signing an Android APK. There are two solutions that i always use to overcome this problem:

  • By cleaning the projects using Projects -> Clean menu in Eclipse
    android eclipse clean projects
  • By manually delete the dexedLibs folder on project’s bin directory
    delete dexedlibs in bin directory
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