I was recently asked to create a passcode screen for Tumble Photo. Since there is adult content on tumblr, the user wanted the ability to lock down the app with a passcode. I googled for a bit, thinking that someone had to have already done this. No luck, so here is the results of what I came up with. This can be used to set the passcode as well as to authenticate the passcode. I tried to get it as close visually and functionally to the passcode screen in the settings app.

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My new app has just passed Apple review. Tumble Photo is a simple Tumblr image gallery viewer for the iPad, iPhone, and iPod touch. View all the image posts from your favorite tumblr Tumblelog in an easy to use image gallery app.

Download it now Free!
http://itunes.apple.com/us/app/tumble-photo/id398357516?mt=8