If your app needs root permissions to execute any command, you can do this using something like:
After running Runtime.getRuntime().exec(“su”) a dialog will appear to ask for permissions so the user can accept it.
What happens if you’re writing a service that will need root access anytime, even if the screen is off? The user won’t be able to accept the dialog so the app will fail.
To solve this you can do your app to ask for root permissions when it runs so, if the user accepts forever, the app will be able to run normally without asking the user anytime.
I know it’s better the user knows when an app is doing something as root but there are cases where you need to do this, for example, I’m writing an app that will disable charging for a phone when
the battery is charget at 100% in order to…
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