issue when building player apk after adding google admob

Hi I really need help on this one, the error when building game:

Error: [Temp\StagingArea\AndroidManifest-main.xml:12, C:\Users\Marco\Documents\Unity Projects\Smash Run\Temp\StagingArea\android-libraries\GoogleMobileAdsPlugin\AndroidManifest.xml:10] Trying to merge incompatible /manifest/application/activity[@name=com.google.android.gms.ads.AdActivity] element:

UnityEditor.HostView:OnGUI()

AND:

Error building Player: CommandInvokationFailure: Unable to merge android manifests. See the Console for more details.
C:\NVPACK\jdk1.6.0_24\bin\java.exe -Xmx1024M -Dcom.android.sdkmanager.toolsdir=“C:/NVPACK/android-sdk-windows ools” -Dfile.encoding=UTF8 -jar “C:/Program Files (x86)/UnityBeta/Editor/Data/BuildTargetTools/AndroidPlayer\sdktools.jar” -

stderr[
Error: [Temp\StagingArea\AndroidManifest-main.xml:12, C:\Users\Marco\Documents\Unity Projects\Smash Run\Temp\StagingArea\android-libraries\GoogleMobileAdsPlugin\AndroidManifest.xml:10] Trying to merge incompatible /manifest/application/activity[@name=com.google.android.gms.ads.AdActivity] element:

++
++(end reached)
]
stdout[
[Temp\StagingArea\AndroidManifest-main.xml:13, C:\Users\Marco\Documents\Unity Projects\Smash Run\Temp\StagingArea\android-libraries\GoogleMobileAdsPlugin\AndroidManifest.xml:8] Skipping identical /manifest/application/meta-data[@name=com.google.android.gms.version] element.
[Temp\StagingArea\AndroidManifest-main.xml:13, C:\Users\Marco\Documents\Unity Projects\Smash Run\Temp\StagingArea\android-libraries\MainLibProj\AndroidManifest.xml:8] Skipping identical /manifest/application/meta-data[@name=com.google.android.gms.version] element.
]

I’m really lost and don’t know what’s going on?

When I locate the androidmanifest.xml file under

C:\Users\Marco\Documents\Unity Projects\Smash Run\Assets\Plugins\Android\GoogleMobileAdsPlugin

and rename it, then it builds fine, but no banner ads display in game.

If someone can explain to me what the error means to start off with and a possible solution would be a bonus.

This is my bread and butter here…

Had same Error tried almost everything.When i got desperate,i deleted android manifest (Plugins/Android/AndroidManifest) . and problem was solved, than i copied manifest from temp (AndroidManifest,not AndroidManifest-main) and changed some values there wich i needed for other things.

For me, removing these lines:

<activity android:name="com.google.android.gms.ads.AdActivity"
              android:label="@string/app_name"
 android:configChanges="fontScale|keyboard|keyboardHidden|locale|mnc|mcc|navigation|orientation|screenLayout|screenSize|smallestScreenSize|uiMode|touchscreen">

</activity>

From the “Plugins/Android/AndroidManifest.xml” file did the trick.