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Default Carrier Config App
This app works as part of to configure telephony features
based on the subscriber's network. It replaced many XML resource overlays in frameworks/base and
frameworks/opt/telephony. The current framework allows per-network configuration that uses
CarrierIdentifier objects, rather than just mcc/mnc. per-network configuration files live in assets
folder. Two ways to configure per-network configuration. Preferred way is
AOSP carrier ID assignments can be found at
use carrier_config_mccmnc_<mccmnc>.xml only if there is no matching carrier id.
This app uses a CarrierIdentifier to read the appropriate config snippets from the assets folder.
If you make changes to the XML files, run the unit tests to ensure they can still be parsed:
runtest carrierconfig-unit