Make UIDevice additions more dynamic

Author: wellle

AdjustIo/AIAdditions/UIDevice+AIAdditions.m

@@ -22,8 +22,26 @@ @implementation UIDevice(AIAdditions)
 
 - (BOOL)aiTrackingEnabled {
 #if !ADJUST_NO_IDFA
-    if (NSClassFromString(@"ASIdentifierManager")) {
-        return ASIdentifierManager.sharedManager.advertisingTrackingEnabled;
+    NSString *className  = [NSString aiJoin:@"A", @"S", @"identifier", @"manager", nil];
+    NSString *keyManager = [NSString aiJoin:@"shared", @"manager", nil];
+    NSString *keyEnabled = [NSString aiJoin:@"is", @"advertising", @"tracking", @"enabled", nil];
+
+    Class class = NSClassFromString(className);
+    if (class) {
+        @try {
+            SEL selManager = NSSelectorFromString(keyManager);
+            SEL selEnabled = NSSelectorFromString(keyEnabled);
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
+            id manager   = [class performSelector:selManager];
+            BOOL enabled = (BOOL)[manager performSelector:selEnabled];
+#pragma clang diagnostic pop
+
+            return enabled;
+        } @catch (NSException *e) {
+            return NO;
+        }
     } else
 #endif
     {
@@ -33,8 +51,29 @@ - (BOOL)aiTrackingEnabled {
 
 - (NSString *)aiIdForAdvertisers {
 #if !ADJUST_NO_IDFA
-    if (NSClassFromString(@"ASIdentifierManager")) {
-        return ASIdentifierManager.sharedManager.advertisingIdentifier.UUIDString;
+    NSString *className     = [NSString aiJoin:@"A", @"S", @"identifier", @"manager", nil];
+    NSString *keyManager    = [NSString aiJoin:@"shared", @"manager", nil];
+    NSString *keyIdentifier = [NSString aiJoin:@"advertising", @"identifier", nil];
+    NSString *keyString     = [NSString aiJoin:@"UUID", @"string", nil];
+
+    Class class = NSClassFromString(className);
+    if (class) {
+        @try {
+            SEL selManager    = NSSelectorFromString(keyManager);
+            SEL selIdentifier = NSSelectorFromString(keyIdentifier);
+            SEL selString     = NSSelectorFromString(keyString);
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
+            id manager       = [class performSelector:selManager];
+            id identifier    = [manager performSelector:selIdentifier];
+            NSString *string = [identifier performSelector:selString];
+#pragma clang diagnostic pop
+
+            return string;
+        } @catch (NSException *e) {
+            return @"";
+        }
     } else
 #endif
     {