Resource bundle support (#412)

* add logic to find resources in case when our sdk is statically linked

* move logic for getting bundle in utils class

Author: dejan2k

Leanplum-SDK/Classes/MessageTemplates/ViewControllers/LPInterstitialViewController.m

@@ -20,7 +20,7 @@ +(LPInterstitialViewController *)instantiateFromStoryboard
 #ifdef SWIFTPM_MODULE_BUNDLE
     NSBundle *bundle = SWIFTPM_MODULE_BUNDLE;
 #else
-    NSBundle *bundle = [NSBundle bundleForClass:[Leanplum class]];
+    NSBundle *bundle = [LPUtils leanplumBundle];
 #endif
     UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"Interstitial" bundle:bundle];
 

Leanplum-SDK/Classes/MessageTemplates/ViewControllers/LPPopupViewController.m

@@ -23,7 +23,7 @@ +(LPPopupViewController *)instantiateFromStoryboard
 #ifdef SWIFTPM_MODULE_BUNDLE
     NSBundle *bundle = SWIFTPM_MODULE_BUNDLE;
 #else
-    NSBundle *bundle = [NSBundle bundleForClass:[Leanplum class]];
+    NSBundle *bundle = [LPUtils leanplumBundle];
 #endif
     UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"Popup" bundle:bundle];
 

Leanplum-SDK/Classes/MessageTemplates/ViewControllers/LPWebInterstitialViewController.m

@@ -25,7 +25,7 @@ +(LPWebInterstitialViewController *)instantiateFromStoryboard
 #ifdef SWIFTPM_MODULE_BUNDLE
     NSBundle *bundle = SWIFTPM_MODULE_BUNDLE;
 #else
-    NSBundle *bundle = [NSBundle bundleForClass:[Leanplum class]];
+    NSBundle *bundle = [LPUtils leanplumBundle];
 #endif
     UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"WebInterstitial" bundle:bundle];
 

Leanplum-SDK/Classes/Utilities/LPUtils.h

@@ -62,4 +62,6 @@
  */
 + (BOOL)isSwizzlingEnabled;
 
++ (NSBundle *)leanplumBundle;
+
 @end

Leanplum-SDK/Classes/Utilities/LPUtils.m

@@ -27,6 +27,7 @@
 #import "LPExceptionHandler.h"
 #import "LPAPIConfig.h"
 #import "LPConstants.h"
+#import "Leanplum.h"
 
 
 @implementation LPUtils
@@ -97,4 +98,17 @@ +(BOOL)isSwizzlingEnabled
     return swizzlingEnabled;
 }
 
++ (NSBundle *)leanplumBundle
+{
+    NSBundle *bundle = [NSBundle bundleForClass:[Leanplum class]];
+    NSURL *bundleUrl = [bundle URLForResource:@"Leanplum-iOS-SDK" withExtension:@".bundle"];
+    if (bundleUrl != nil)
+    {
+        NSBundle *lpBundle = [NSBundle bundleWithURL:bundleUrl];
+        bundle = lpBundle;
+    }
+    
+    return bundle;
+}
+
 @end