removed unnecessary code

Author: ashislaha

.DS_Store

@@ -13,7 +13,7 @@
 // Product module name should be same inside modulemap file to map the respective headers
 PRODUCT_MODULE_NAME = MixLibraryOne
 
-// allow modularisation to that static library
+// generates Module as an output of that static library
 DEFINES_MODULE = YES
 
 // refer the modulemap file from this place
@@ -34,3 +34,8 @@ SWIFT_OBJC_INTERFACE_HEADER_NAME = MixLibOne-Swift.h
 // One important error handling: <unknown>:0: error: underlying Objective-C module 'MixLibraryOne' not found
 // project level configuration overrides the target level configuration and you will get the above error. Delete the project level configuration and it will work fine. See, it will be shown in bold in build settings, delete those bold configuration ( here MODULEMAP_FILE & USER_HEADER_SEARCH_PATHS specifically)
 OTHER_SWIFT_FLAGS = $(inherited) -import-underlying-module
+
+
+// Getting an error:
+// Command CompileSwiftSources failed with a nonzero exit code
+SWIFT_ENABLE_BATCH_MODE = NO

MixLibraryOne/MixLibOne.xcconfig

@@ -10,6 +10,8 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
+/// MixLibOneObjcFileA
+/// This objective c file belongs of Mix Language Libary.
 @interface MixLibOneObjcFileA : NSObject
 -(void) test;
 @end

MixLibraryOne/MixLibOneObjcFileA.h

@@ -0,0 +1,19 @@
+//
+//  MixLibOneObjcFileB.h
+//  MixLibraryOne
+//
+//  Created by Ashis Laha on 11/01/20.
+//  Copyright © 2020 Ashis Laha. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface MixLibOneObjcFileB : NSObject
+
+-(void) testMethod;
+
+@end
+
+NS_ASSUME_NONNULL_END

MixLibraryOne/MixLibOneObjcFileB.h

@@ -0,0 +1,31 @@
+//
+//  MixLibOneObjcFileB.m
+//  MixLibraryOne
+//
+//  Created by Ashis Laha on 11/01/20.
+//  Copyright © 2020 Ashis Laha. All rights reserved.
+//
+
+#import "MixLibOneObjcFileB.h"
+
+/*
+    import the MixLibOneObjcFileA through header file inclusion
+ */
+#import "MixLibOneObjcFileA.h"
+
+/*
+    import SWIFT_OBJC_INTERFACE_HEADER_NAME to include swift functionlity
+ */
+#import "MixLibOne-Swift.h"
+
+@implementation MixLibOneObjcFileB
+
+-(void) testMethod {
+    MixLibOneObjcFileA *obj = [[MixLibOneObjcFileA alloc] init];
+    [obj test];
+    
+    MixLibOneSwiftOne *swiftObj = [[MixLibOneSwiftOne alloc] init];
+    [swiftObj test];
+}
+
+@end

MixLibraryOne/MixLibOneObjcFileB.m

@@ -14,6 +14,9 @@ import Foundation
 */
 // import MixLibraryOne
 
+/// MixLibOneSwiftOne
+/// It just contains a test() function which actually accessing Objective C file belonging to same library.
+
 @objc open class MixLibOneSwiftOne: NSObject {
 
     @objc open func test() {
@@ -22,5 +25,8 @@ import Foundation
 
         let fileA = MixLibOneObjcFileA()
         fileA.test()
+        
+        let fileB = MixLibOneObjcFileB()
+        fileB.testMethod()
     }
 }

MixLibraryOne/MixLibOneSwiftOne.swift

@@ -0,0 +1,17 @@
+//
+//  MixLibraryOne.h
+//  MixLibraryOne
+//
+//  Created by Ashis Laha on 20/01/20.
+//  Copyright © 2020 Ashis Laha. All rights reserved.
+//
+
+
+/*
+    This is an umbrella header which includes all the other public headers in the static libraries.
+ */
+
+#import "MixLibOneObjcFileA.h"
+#import "MixLibOneObjcFileB.h"
+
+

MixLibraryOne/MixLibraryOne.h

@@ -18,7 +18,7 @@ PRODUCT_MODULE_NAME = MixLibThree
 // we can skip "copy files" step in "build phases" by providing the proper location of dependent (if both target belongs to same project) of user header search path
 USER_HEADER_SEARCH_PATHS = $(inherited) $(SRCROOT)/Modules $(SRCROOT)/include
 
-// allow modularisation to that static library
+// generates module as an output of that static library
 DEFINES_MODULE = YES
 
 // refer the modulemap file from Mix LibraryOne - // TODO: we can separate this out from MixLibraryOne 

MixLibraryThree/MixLibThree.xcconfig

@@ -17,6 +17,9 @@ @implementation MixLibraryThree
 -(void) testMixLibThree {
     MixLibOneObjcFileA *obj = [[MixLibOneObjcFileA alloc] init];
     [obj test];
+	
+	MixLibOneObjcFileB *bObjct = [[MixLibOneObjcFileB alloc] init];
+	[bObjct testMethod];
 }
 
 -(void) exposedMethod {

MixLibraryThree/MixLibraryThree.m

@@ -24,7 +24,6 @@ import MixLibThree
 */
 import MixLibraryOne
 
-
 class MixLibraryTwo {
 
     public func test() {

MixLibraryTwo/MixLibraryTwo.swift

@@ -8,16 +8,16 @@
 
 #import "MixLibraryTwoObjCFileA.h"
 
-/*
-    import MixLibraryOne - access objective c files through module.modulemap
-*/
-@import MixLibraryOne;
-
 /*
     import objective c header file - access swift classes
  */
 #import "MixLibOne-Swift.h"
 
+/*
+    import MixLibraryOne - access objective c files through module.modulemap
+*/
+@import MixLibraryOne;
+
 /*
     access MixLibThree methods (through modulemap)
  */

MixLibraryTwo/MixLibraryTwoObjCFileA.m

@@ -1,19 +1,19 @@
 module ObjectiveLibraryOne {
   umbrella header "../ObjectiveLibraryOne/ObjectiveLibraryOne.h"
+  requires ios
   export *
-
-  // Define a Model module, which include an example model object class.
-  explicit module Model {
-    header "../ObjectiveLibraryOne/ObjCOneFileA.h"
-  }
 }
 
 module MixLibraryOne {
-    header "../MixLibraryOne/MixLibOneObjcFileA.h"
+    umbrella header "../MixLibraryOne/MixLibraryOne.h"
+    //header "../MixLibraryOne/MixLibOneObjcFileA.h"
+    //header "../MixLibraryOne/MixLibOneObjcFileB.h"
     requires ios
+    export *
 }
 
 module MixLibThree {
     header "../MixLibraryThree/MixLibraryThree.h"
     requires ios
+	export *
 }

Modules/module.modulemap

@@ -18,9 +18,4 @@ -(void) testFileB {
     [obj testObjective];
 }
 
-//-(void) testDependencySwiftLibrary {
-//    SwiftStaticLibraryTwoFileA *obj = [[SwiftStaticLibraryTwoFileA alloc] init];
-//    [obj test];
-//}
-
 @end

ObjCLibraryFour/ObjCLibraryFour.h

@@ -9,5 +9,6 @@
 // Configuration settings file format documentation can be found at:
 // https://help.apple.com/xcode/#/dev745c5c974
 
+PRODUCT_MODULE_NAME = ObjectiveLibraryOne
 DEFINE_MODULES = YES
 MODULEMAP_FILE = $(SRCROOT)/Modules/module.modulemap

ObjCLibraryFour/ObjCLibraryFour.m

@@ -9,4 +9,5 @@
 // this is umbrella header of Objective C Library
 
 #import "ObjCOneFileA.h"
+#import "ObjCTwoFile.h"