how to customize UITabbar - ios

How to customize UITabBarController to have something like this:
In its normal state, it just looks like a normal UItabbar control with a more button (the area enclosed in red rectangle). When users click more button the second row is shown up like in the image.

Take a look at CRTabBarController. I haven't used it but it should suit your needs.

This is most likely a custom view that is emulating a standard view.
Search online for these, as many of them are available for general use; for instance:
http://www.cocoacontrols.com/search?utf8=%E2%9C%93&q=tab+bar
In particular, the picture you posted looks like "CRTabBarController":
http://www.cocoacontrols.com/platforms/ios/controls/crtabbarcontroller--2

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SegmentedControl and Uipageview query

How can i add sub options with segmented control like in the given Screen?
Also i want to inquire about how can i add blurr effect to last/next page views just like the given screen. Thanks for your help

navigation with login page

I implemented simple application according of example simple login view. Where we have login-view and main-view. But now, how I can implement on main-view MenuBar where every Items when clicked open different views. And those views are under MenuBar in same place (center on the page under MenuBar, on sample) in main-view. I tried with additional navigator(which name can be subNavigator) in main-view but we must register navigator in UI(I have got appropriate error). Second solution is that I create UI and in init method ManuBar and under it change every views(login-view, view1, view2 etc). But login-view have ManuBar and it is do not looks good. Is there any other way or are other ways to achieve something similar?
Your question is not at all clear. I suggest re-writing it. Perhaps with a sketch image.
TabSheet
Are you aware of the TabSheet widget? An easy way to switch between panes of content.
See the Book Of Vaadin, the class doc, and the live demo.
Also, look at TabSheet in the Reindeer theme as shown in this demo.

How can I achieve a View like the Facebook-Posts via Objective-C/Storyboards?

I would like to create a View/ViewController where I can add rectangles like this:
When the text expands the rectangle to a specific maximum size, a "Show more" button pops up to expand the rectangle and pushes other UI-Elements down. I prefer to not use a TableView.
How can I achieve something like this? I have spent the whole day looking for tutorials/example codes but I couldn't find anything. Any help will be appreciated.

Hiding a field in Black Berry

I would like to toggle two Fields on a screen, like a simulated tab screen. I tried creating a HorizontalFieldManager and populating it with Field A, then to toggle deleteAll() and add() Field B. Then Repeat to switch them. (Triggered by a button) This works, but in the simulator is locks up after doing this five times. I haven't tried it on a device yet. Is there a better way to to this, or is this pretty much the only way to do something like that?
It sounds like what you want to do is covered by this support article: Create tabbed view screens. I haven't tried it though.

What UI element might this be? (Custom tab-bar?)

http://www.flickr.com/photos/fraserspeirs/4329430635/in/set-72157623224262135/
The above is a link basically showing the form fill view of the numbers app on the iPad. Any idea as to how to achieve such a functionality which sort of looks like our vanilla tabs on Chrome?
You could do it with just buttons set to Custom type and using an image for the background. Then when they are clicked, bring the specific UIView to the front.
To create the tabs from a single image use UIImage's stretchableImageWithLeftCapWidth: topCapHeight:
http://tcninja.blogspot.com/2010/09/ios-adding-stretchable-uiimage-as.html
This will let you dynamically set the image's width in a way that will use the middle of it to fill the new area rather than stretching (and warping) the outer edges.
I would have implemented this with simple UIButtons. All you need to do is to style them (pngs or whatever), and track which one is the current.

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