Integration into android's settings

I want to add new item to the android settings, i.e. go to menu -> settings-> "my item". Is it possible? Second task is to add some menu items to an existing settings item, i.e. go to menu -> settings-> Wireless & Networks, press on the VPN settings some time and see a menu with "my item". What must i do to done these tasks?

UPD: Can I change standard settings app, i.e. I will have created a new custom se开发者_Python百科tting app, and when my app (not settings app) will be installed I'll remove standard settings app, and install my settings app?

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No this is not possible.

You can create settings via Settings helper class that look the same as system settings, but they will be part of your app, not part of system settings menus.