Android Studio: Failure INSTALL_FAILED_TEST_ONLY

Starting application from Android Studio may fail with the mysterious message: Installation failed with message INSTALL_FAILED_TEST_ONLY.

The IDE will prompt you whether you want to uninstall the existing application.

Even this uninstallation may fail. When you open Run console, you can see something like this:

$ adb shell pm uninstall rocks.georgik.sdlapp
$ adb shell pm install -r "/data/local/tmp/rocks.georgik.sdlapp"
	pkg: /data/local/tmp/rocks.georgik.sdlapp
Failure [INSTALL_FAILED_TEST_ONLY]

$ adb shell pm uninstall rocks.georgik.sdlapp
DELETE_FAILED_INTERNAL_ERROR
Error while Installing APK

There is a relatively simple fix to this issue. Click drop-down menu with your configuration and choose Edit Configurations…

Select tab General and add -t to Install Flags field. Click Ok.

Now start the application again and it should work.

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16. July 2017 at 22:07 - Mobile (Tags: , , , , ).