First step of integrating Centili Android Library is adding **[CentiliLib.jar](🔗)** in your android **project/lib/** folder. You need to add **.jar** file to project build path.
The payment library requires that **c.mpayments.android.BillingActivity** be declared in your app's **AndroidManifest.xml**
## Permissions
##
Library requires the following permissions:
INTERNET
ACCESS_NETWORK_STATE
SEND_SMS
READ_SMS
WRITE_SMS
RECEIVE_SMS
CHANGE_WIFI_STATE and
CHANGE_NETWORK_STATE
so these must also be declared in the manifest: