This application will show the basic using of UITabBar and UITabBarItem.
Step 1: Create a new project using Xcode using Tab Bar Application .
Step 2: Double click your MainWindow.xib and open it to Interface Builder. Click on the view window and bring up attributes inspector, change the background color yellow. Now connect the File’s Owner to the Tab Bar Application , select delegate. Connect Tab Bar Application to the Tab Bar Controller, Tab Bar Application to the window. (See figure 1)
Figure 1: MainWindow.xib
Step 3: Now double click the SecondView.xib open it to interface builder. Click the view window and bring up attributes inspector and change the background color Purple. Connect the File’s Owner icon to the View icon. (See the figure below)
Figure 2: SecondView.xib
Step 4: Compile the your application and run it on the simulator. (See figure below)
Figure 3: FirstView in Simulator.
You can downloaded SourceCode from here TabBarApplication 2