In this group we have all the . m files are presented
- Sample App delegate .m
- Sample View controller .m
- Sample main .m [main’s .m → method]
Interface builder file:
In this group we have all the .xib files are presented.
a) sample view controller .xib
b) Main window. Xib
If we want to add any additional frame work
Framework → right click on the framework → add → Existing framework → Select the framework → Click an add
Interface builder is develop in 1988 it is used for developing application for NEXTSTEP , OPEN STEP, MAC OS, IOS development.
IB support two formats .nib, .xib
IB is mainly used for designing the application and it is a supported tool. It has 4 windows
File owner window
1) File owner window:
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It contains the copy of nib file [or xib] and it is always be the first icon in any nib file. It has three icons.
2) Attribute inspector:
It is mainly used for setting the properties of view elements.
Ex: If you want to change the color of a view we use this it is presents in the tools section.
Tools → inspector
It contains 4 tabs those are
a) Attribute inspector
c) Size inspector
It contains the controllers view on UI elements and media also
4) Data view:
NOTE:- Library consists of media tab. Which contains image added in the x code project we can easily drag them on to the view.