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Well I searched quit a lot on the new, and I found no good answer for that, unless your phone is rooted. I am pretty sure you can do this in bash codes, but I have no idea where even to read about that.

I want to make an app with 2 buttons. 1st button will change the date of my phone 1 day forword 2nd button will change the hour of my phone 1 hour backword.

I want that the button will change the clock in the settings of phone thank you all:)

Yogi_Bear
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  • `bash` - which is not normally present on Android and non-trivial to install - is not an alternative to doing something as root. – Chris Stratton Feb 10 '14 at 16:48

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Impossible for non-system apps that don't have a special permission.

Check out this question

Community
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Sam
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