Gradle: Execution failed for task ':processDebugManifest'

I wish the Lukas Olsen solution works for other scenarios, But in my case is quite different.

I faced the same while add ActionBarShelock to project, by comparing to the older library I found that application tag is missing in manifest. By adding one line I fixed my issue.

</application>

In a general way, to see what is the error, you can see the merged Manifest File in Android studio

Go on your manifest file

Click on the bottom tab "Merged Manifest"

On the right screen, in "Other Manifest Files", check for any error due to graddle :

Found the solution to this problem:

gradle assemble -info gave me the hint that the Manifests have different SDK Versions and cannot be merged.

I needed to edit my Manifests and build.gradle file and everything worked again.

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To be clear you need to edit the uses-sdk in the AndroidManifest.xml

<uses-sdk android:minSdkVersion="14" android:targetSdkVersion="16" />

and the android section, particularly minSdkVersion and targetSdkVersion in the build.gradle file

android {
    compileSdkVersion 17
    buildToolsVersion "17.0.0"

    defaultConfig {
        minSdkVersion 14
        targetSdkVersion 16
    }
}