What are inactive apps in developer options?

App Standby is way at the bottom of this menu—it’s called Inactive Apps. All your installed apps are listed with either active or inactive status . Tapping toggles between the modes. So, if an app is misbehaving by pushing too many notifications or using a lot of data, just tap to hibernate it until you need it again.

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What happens when an Android app starts?

An Android process is started whenever it is required. Any time a user or some other system component requests a component (could be a service, an activity or an intent receiver) that belongs to your application be executed, the Android system spins off a new process for your app if it’s not already running .

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