Introduction to iOS project file types and their functions in xcode

1.InProdoutsFile. AppFile ----IsYesExecutiveLine (YingUseProgram) File;

2.Root objectRecordingUnder. PCHFile ----ItemTarget all filesHeaderFile;

3. In the classes file clip back decorated with delegate. h file ---- delegated by Program header file ( sound Ming files );

4. In the classes file clip back decorated with delegate. m file ---- can be delegated by a program receipt row file (set meaning file );

5. In the resources file folder . XIB file ---- UI (use User Interface );

6. In the frameworks file clip CoreGraphics. framework file- C -based API , based on the 2D bottom layer plotting ;

7. In the frameworks file folder Foundation. framework file ---- base base System System server service API , images quantity data class type , XML, URL , and other servers service ;

8. In the frameworks file folder uikit. framework file ---- base base 1 classes , used to manage UI knot structure;

9. In the resources file clip . plist file ---- 1 classes similar to the properties file, This file contains off On name, icon and other basic information;

10.InOther sourcesFileClipInMain. m---- 1ItemsThe main file is used to importExportIPadYingApplication;

11.InResourceThe file containsItemsMainwindow. XIB---- Main WindowUI;