feat: make LinkMe iOS 15.0+ feature

Author: uerceg

Adjust/ADJActivityHandler.m

@@ -2165,55 +2165,56 @@ - (void)setTrackingStateOptedOutI:(ADJActivityHandler *)selfI {
 
 - (void)checkLinkMeI:(ADJActivityHandler *)selfI {
 #if TARGET_OS_IOS
-    if (selfI.adjustConfig.linkMeEnabled == NO) {
-        [self.logger debug:@"LinkMe not allowed by client"];
-        return;
-    }
-    if ([ADJUserDefaults getLinkMeChecked] == YES) {
-        [self.logger debug:@"LinkMe already checked"];
-        return;
-    }
-    if (selfI.internalState.isFirstLaunch == NO) {
-        [self.logger debug:@"LinkMe only valid for install"];
-        return;
-    }
-    if ([ADJUserDefaults getGdprForgetMe]) {
-        [self.logger debug:@"LinkMe not happening for GDPR forgotten user"];
-        return;
-    }
-
-    UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
-    if ([pasteboard hasURLs] == NO) {
-        [self.logger debug:@"LinkMe general board not found"];
-        return;
-    }
-
-    // TODO: add exception for tvOs and watchOs
-    NSURL *pasteboardUrl = [pasteboard URL];
-    if (pasteboardUrl == nil) {
-        [self.logger debug:@"LinkMe content not found"];
-        return;
-    }
-
-    NSString *pasteboardUrlString = [pasteboardUrl absoluteString];
-    if (pasteboardUrlString == nil) {
-        [self.logger debug:@"LinkMe content could not be converted to string"];
-        return;
+    if (@available(iOS 15.0, *)) {
+        if (selfI.adjustConfig.linkMeEnabled == NO) {
+            [self.logger debug:@"LinkMe not allowed by client"];
+            return;
+        }
+        if ([ADJUserDefaults getLinkMeChecked] == YES) {
+            [self.logger debug:@"LinkMe already checked"];
+            return;
+        }
+        if (selfI.internalState.isFirstLaunch == NO) {
+            [self.logger debug:@"LinkMe only valid for install"];
+            return;
+        }
+        if ([ADJUserDefaults getGdprForgetMe]) {
+            [self.logger debug:@"LinkMe not happening for GDPR forgotten user"];
+            return;
+        }
+        
+        UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
+        if ([pasteboard hasURLs] == NO) {
+            [self.logger debug:@"LinkMe general board not found"];
+            return;
+        }
+        
+        NSURL *pasteboardUrl = [pasteboard URL];
+        if (pasteboardUrl == nil) {
+            [self.logger debug:@"LinkMe content not found"];
+            return;
+        }
+        
+        NSString *pasteboardUrlString = [pasteboardUrl absoluteString];
+        if (pasteboardUrlString == nil) {
+            [self.logger debug:@"LinkMe content could not be converted to string"];
+            return;
+        }
+        
+        // send sdk_click
+        double now = [NSDate.date timeIntervalSince1970];
+        ADJPackageBuilder *clickBuilder = [[ADJPackageBuilder alloc] initWithPackageParams:selfI.packageParams
+                                                                             activityState:selfI.activityState
+                                                                                    config:selfI.adjustConfig
+                                                                         sessionParameters:selfI.sessionParameters
+                                                                     trackingStatusManager:self.trackingStatusManager
+                                                                                 createdAt:now];
+        clickBuilder.clickTime = [NSDate dateWithTimeIntervalSince1970:now];
+        ADJActivityPackage *clickPackage = [clickBuilder buildClickPackage:@"linkme" linkMeUrl:pasteboardUrlString];
+        [selfI.sdkClickHandler sendSdkClick:clickPackage];
+        
+        [ADJUserDefaults setLinkMeChecked];
     }
-
-    // send sdk_click
-    double now = [NSDate.date timeIntervalSince1970];
-    ADJPackageBuilder *clickBuilder = [[ADJPackageBuilder alloc] initWithPackageParams:selfI.packageParams
-                                                                         activityState:selfI.activityState
-                                                                                config:selfI.adjustConfig
-                                                                     sessionParameters:selfI.sessionParameters
-                                                                 trackingStatusManager:self.trackingStatusManager
-                                                                             createdAt:now];
-    clickBuilder.clickTime = [NSDate dateWithTimeIntervalSince1970:now];
-    ADJActivityPackage *clickPackage = [clickBuilder buildClickPackage:@"linkme" linkMeUrl:pasteboardUrlString];
-    [selfI.sdkClickHandler sendSdkClick:clickPackage];
-
-    [ADJUserDefaults setLinkMeChecked];
 #endif
 }