Protect access phone's settings with a password programmatically?

Is it possible to implement an application that programmatically pro开发者_StackOverflow社区tects the access to a phone's "Settings" with a password ?

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The answer for you may lie in Device Administration API for Android

Also refer an example http://developer.android.com/resources/samples/ApiDemos/src/com/example/android/apis/app/DeviceAdminSample.html