Failure [INSTALL_FAILED_INVALID_APK]

Question

When I click to run a project I just created in Android Studio 0.2.10 and select my Android (connected by USB with debug by USB on) I get this error:

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Answer 1

Your package name should include words combined by dots like com.example or prashant.mydairy..... it should work fine now

files where you must update ur package name are as below: 1)Manifest file 2)Gradle file(module appp): applicationId "package.name"

Answer 2

When I experienced this issue, what fixed it for me was making sure that the AndroidManifest.xml package name was the same as the build.grade applicationId.

Answer 3

Force Stop the application in the device settings.

Answer 4

If someone is still having issue then Build->Clean Project then Build->Rebuild project finally Sync project with Gradle file.

Answer 5

taskAffinity name must have at least one '.' separator

Answer 6

This helped in my case:

Settings -> Apps -> Google Play Store -> Click "Enable" button.