i want a custom navbar (with 3 buttons) which can move down to show more information : https://dl.dropbox.com/u/84505667/bar.png i hide the default navbar and used a view within i put right button, another button in the middle but how can i put the back button like the default back button ?
my second question i how to move down the bar to display album information like you see in this image : https://dl.dropbox.com/u/84505667/bar2.png
thanks for help.
All that looks like is a window that is pushed up above the screen. Create a window and position it so that only the bottom of the window is visible. The buttons you'll have to handle yourself. ie: back will make the window close, etc. To make the view move down, just animate the position of the window so that all the information is visible.
Whatever you do, don't try to use a navbar to make that happen, it looks like a custom window component, so you'll have to build it out piece by piece.
no, there is one very long window.
when you initially display the window, you position the window such that the fake navigation bar is at the top of the viewable area.
as the user drags the navigation bar, you adjust the top value of the window to display more content
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