Frequently closing minimized apps on Android can quickly drain your smartphone; because the device consumes more energy to restart programs than to open them from the background. Web developer of the Security Code company Konstantin Gorbunov, a leading expert on network threats, told socialbites.ca.
According to the expert, the user interacts with the visible part of the application while using it. At the same time, all invisible resources necessary for the program to run are loaded into the device’s RAM. As soon as the application is minimized, interaction with its invisible part begins: the operating system automatically saves the state of the program at the time it is minimized, that is, caches it.
“When the user accesses a previously minimized app again, the system no longer needs to initiate a full download of the app, it just needs to restore the cache. In case of a shutdown, the operating system will have to reload all the necessary resources, so from this point of view, minimizing applications is more beneficial than closing them,” said Gorbunov.
According to Gorbunov, loading all of an app’s resources when it launches is called a “cold start” in the Google documentation for Android developers. This procedure uses more computing resources of the smartphone, which means more strain on the battery. Therefore, if you constantly open and close applications, the battery will drain faster.
“It’s like starting a car engine. That is, in cold weather, when the system needs time to “warm up” all components of the car, a cold start is starting the engine,” the expert gave an analogy.
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