Change values in AndroidManifest.xml
Section : Public API access / Key for browser applications
<!-- CHANGE IT -->
<meta-data
android:name="com.pem.app.Place_API_KEY"
android:value="YOUR API KEY" />
Section : Public API access / Key for Android applications
<!-- CHANGE IT -->
<meta-data
android:name="com.google.android.maps.v2.API_KEY"
android:value="YOUR API KEY"/>