A software call to Android services using the Telephony Manager component

The article analyzes one of the methods for obtaining access to information about calls and SMS coming to the device working under the Android operating system. An overview of the functional elements that determine the functional component of any application running under the Android operating system. An example of the assignment and permission for the activity functional element in the main executable file of the Manifesto is given. Also, the analysis of activity of activity and elements of "listeners" is carried out.