android gcs signing the apk to be able to use google maps.

• Create your key keytool -genkey -v -keystore my-release-key.keystore -alias alias_name -keyalg RSA -keysize 2048 -validity 10000
• List your keys keytool -list -v -keystore my-release-key.keystore it will output something like:

Alias name: mykey
Creation date: Sep 8, 2013
Entry type: PrivateKeyEntry
Certificate chain length: 1
Certificate[1]:
Owner: CN=XXX, OU=Unknown, O=Unknown, L=Unknown, ST=Unknown, C=Unknown
Issuer: CN=XXX, OU=Unknown, O=Unknown, L=Unknown, ST=Unknown, C=Unknown
Serial number: XXX
Valid from: Sun Sep 08 20:55:45 WEST 2013 until: Sat Dec 07 19:55:45 WET 2013
Certificate fingerprints:
         MD5:  XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX
         SHA1: XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX:XX
         Signature algorithm name: SHA1withDSA
         Version: 3

• On your browser navigate to Google API console and click "Create Project"
• Under "Services" enable Google Maps Android API v2 and accept terms

• Under "API Access" click "Generate new Android key..."
• Fill the form with the content of your SHA1 and the name of the package
• Change the NEW_VALUE on AndroidManifest.xml line <meta-data android:name="com.google.android.maps.v2.API_KEY" android:value="NEW_VALUE"/> with the value of your newly created API key (red rectangle below).
• Build the android gcs in release mode make androidgcs ANDROIDGCS_BUILD_CONF=release
• Sign the package jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore my-release-key.keystore PATH_TO_APK/androidgcs-release-unsigned.apk mykey replacing the PATH_TO_APK to where your new apk is located
• Rename the androidgcs-release-unsigned.apk to androidgcs-release.apk and run make androidgcs_install ANDROIDGCS_BUILD_CONF=release

To automatically type the password for your key create a file "ant.properties" in androidgcs

key.alias=taulabs.org
key.store.password=your_password
key.store=/path/to/your/key
key.lias.password=your_password