US Patent 9625987 Updating and displaying information in different power modes

A computing device is described that executes a centralized service and a plurality of applications. The centralized service detects a change from a first power mode of the computing device to a second power mode of the computing device and responsive to detecting the change, determines a first application from the plurality of applications executing at the computing device, to notify of the change from the first power mode to a second power mode. The centralized service outputs to the first application an indication of the change from the first power mode to the second power mode, and responsive to receiving an indication response from the first application, suspends an application processor of the computing device.