Android Emulator: Installation error: INSTALL_FAILED_VERSION_DOWNGRADE

Question

I am currently trying to compile and test a small Android Application.

I am using Eclipse, and have SDK 4.2 (Api Level 17) installed. I\'ve set

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Answer 1

INSTALL_FAILED_VERSION_DOWNGRADE

All Android apps have a package name. The package name uniquely identifies the app on the device. If same packageName as app that's already installed on the device then this error Showing .

1. You can uninstall the application from your device first and then install the fresh one .
2. You could simply increase the number by one each time a new version is released.