Manifest merger error "uses-sdk:minSdkVersion X cannot be smaller than Y" for processDebugAndroidTestManifest

[Alex]

I have a multi-project gradle build. 

• 'Run" from Android Studio is fine, the app is deployed
  
• Clean and Make from AS fail with manifest merger error in processDebugAndroidTestManifest 
  
• Everything works fine from the command line
• There are no tests

The dependencies are as follows:

:app -> :lib1 -> :lib2

:app

minSdk=16,  AndroidManifestxml has tools:overrideLibrary="lib2's package"

:lib1 (aar)

minSdk=16

:lib2 (aar)

minSdk=19

Error:

/me/project/lib1/build/intermediates/manifests/tmp/manifestMerger5327563302608474252.xml:5:5 Error:

uses-sdk:minSdkVersion 16 cannot be smaller than version 19 declared in library /me/project/lib1/build/intermediates/exploded-aar/lib2/unspecified/AndroidManifest.xml

Suggestion: use tools:overrideLibrary="lib2" to force usage

* What went wrong:

Execution failed for task ':lib1:processDebugAndroidTestManifest'.

> java.lang.RuntimeException: Manifest merger failed : uses-sdk:minSdkVersion 16 cannot be smaller than version 19 declared in library /.../lib1/build/intermediates/exploded-aar/android/lib2/unspecified/AndroidManifest.xml

  Suggestion: use tools:overrideLibrary="lib2" to force usage

When we open up this manifestMerger5327563302608474252.xml file:

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.me.lib1.test">

    <uses-sdk android:minSdkVersion="16" android:targetSdkVersion="22" />

    <application>
        <uses-library android:name="android.test.runner" />
    </application>

    <instrumentation android:name="android.test.InstrumentationTestRunner"
                     android:targetPackage="com.me.lib1.test"
                     android:handleProfiling="false"
                     android:functionalTest="false"
                     android:label="Tests for com.me.lib1.test"/>
</manifest>

So there seems to be a manifest for tests I do not have, or I am doing something wrong.

I appreciate any suggestions to resolve this.

[Alex]

I forgot to mention:

Android Studio 1.2.1.1

Gradle 2.4

Android gradle-plugin 1.2.3

Build Tools 22.0.1

[Jerome Dochez]

per you email : 

:app

minSdk=16,  AndroidManifestxml has tools:overrideLibrary="lib2's package"

:lib1 (aar)

minSdk=16

:lib2 (aar)

minSdk=19

you just cannot import a library which requires 19 as its mininum supported SDK version inside an application which can run on 16. The library code is not expecting to be run on anything below 19 and would be broken/disfunctional.

two possible fixes : 

1. change lib2 to have minSdk=16 

2. change app to be minSdk=19

HTH, Jerome

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[Michal Bendowski]

If you really careful (i.e. make sure API is at least 19 before using the library code) you can also add this snippet to lib1's manifest (as suggested by the error message):

<uses-sdk xmlns:tools="http://schemas.android.com/tools"
    tools:overrideLibrary="lib2" />