This open source android project provides a quick panel to display the following information quick; IMEI/MEID, Device Model, Android ID, Wi-Fi MAC, Bluetooth MAC, Android Version, Android Build Version and Screen Density. More features to come soon.
READ_PHONE_STATE is used to get your IMEI/IMEI
ACCESS_WIFI_STATE is used to get your MAC Address
ACCESS_NETWORK_STATE is used to get your SIM State
BLUETOOTH is used to get your MAC Address
READ_GSERVICES is used to get your Google Services Framework (GSF) ID
This app does not request the INTERNET permission, so no data is sent without your knowledge.
The source can be viewed here; https://bitbucket.org/opt05/deviceid