Fix some warnings

Author: NSExceptional

Classes/GlobalStateExplorers/FileBrowser/FLEXFileBrowserController.m

@@ -266,11 +266,17 @@ - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath
         if ([pathExtension isEqualToString:@"json"]) {
             prettyString = [FLEXUtility prettyJSONStringFromData:fileData];
         } else {
-            // Regardless of file extension...
-
-            // Try to decode an archived object regardless of file extension
-            NSKeyedUnarchiver *unarchiver = [[NSKeyedUnarchiver alloc] initForReadingFromData:fileData error:nil];
-            unarchiver.requiresSecureCoding = NO;
+            // Try to decode an archived object, regardless of file extension
+            NSKeyedUnarchiver *unarchiver = ({
+                NSKeyedUnarchiver *obj = nil;
+                if (@available(iOS 12.0, *)) {
+                    obj = [[NSKeyedUnarchiver alloc] initForReadingFromData:fileData error:nil];
+                } else {
+                    obj = [[NSKeyedUnarchiver alloc] initForReadingWithData:fileData];
+                }
+                obj.requiresSecureCoding = NO;
+                obj;
+            });
             id object = [unarchiver decodeObjectForKey:NSKeyedArchiveRootObjectKey];
 
             // Try to decode other things instead

Classes/Network/PonyDebugger/FLEXNetworkObserver.m

@@ -667,18 +667,20 @@ + (void)swizzleResumeSelector:(SEL)selector forClass:(Class)class {
     Method originalResume = class_getInstanceMethod(class, selector);
     IMP implementation = imp_implementationWithBlock(^(NSURLSessionTask *slf) {
 
-        // AVAggregateAssetDownloadTask deeply does not like to be looked at. Accessing -currentRequest or
-        // -originalRequest will crash. Do not try to observe these. https://github.com/FLEXTool/FLEX/issues/276
-        if (![slf isKindOfClass:[AVAggregateAssetDownloadTask class]]) {
-            // iOS's internal HTTP parser finalization code is mysteriously not thread safe,
-            // invoking it asynchronously has a chance to cause a `double free` crash.
-            // This line below will ask for HTTPBody synchronously, make the HTTPParser
-            // parse the request, and cache them in advance. After that the HTTPParser
-            // will be finalized. Make sure other threads inspecting the request
-            // won't trigger a race to finalize the parser.
-            [slf.currentRequest HTTPBody];
-
-            [FLEXNetworkObserver.sharedObserver URLSessionTaskWillResume:slf];
+        if (@available(iOS 11.0, *)) {
+            // AVAggregateAssetDownloadTask deeply does not like to be looked at. Accessing -currentRequest or
+            // -originalRequest will crash. Do not try to observe these. https://github.com/FLEXTool/FLEX/issues/276
+            if (![slf isKindOfClass:[AVAggregateAssetDownloadTask class]]) {
+                // iOS's internal HTTP parser finalization code is mysteriously not thread safe,
+                // invoking it asynchronously has a chance to cause a `double free` crash.
+                // This line below will ask for HTTPBody synchronously, make the HTTPParser
+                // parse the request, and cache them in advance. After that the HTTPParser
+                // will be finalized. Make sure other threads inspecting the request
+                // won't trigger a race to finalize the parser.
+                [slf.currentRequest HTTPBody];
+
+                [FLEXNetworkObserver.sharedObserver URLSessionTaskWillResume:slf];
+            }
         }
 
         ((void(*)(id, SEL))objc_msgSend)(
@@ -1985,10 +1987,12 @@ - (void)URLSession:(NSURLSession *)session
 }
 
 - (void)URLSessionTaskWillResume:(NSURLSessionTask *)task {
-    // AVAggregateAssetDownloadTask deeply does not like to be looked at. Accessing -currentRequest or
-    // -originalRequest will crash. Do not try to observe these. https://github.com/FLEXTool/FLEX/issues/276
-    if ([task isKindOfClass:[AVAggregateAssetDownloadTask class]]) {
-        return;
+    if (@available(iOS 11.0, *)) {
+        // AVAggregateAssetDownloadTask deeply does not like to be looked at. Accessing -currentRequest or
+        // -originalRequest will crash. Do not try to observe these. https://github.com/FLEXTool/FLEX/issues/276
+        if ([task isKindOfClass:[AVAggregateAssetDownloadTask class]]) {
+            return;
+        }
     }
 
     // Since resume can be called multiple times on the same task, only treat the first resume as

Classes/Utility/FLEXUtility.m

@@ -14,7 +14,7 @@
 #import <objc/runtime.h>
 #import <zlib.h>
 
-BOOL FLEXConstructorsShouldRun() {
+BOOL FLEXConstructorsShouldRun(void) {
     #if FLEX_DISABLE_CTORS
         return NO;
     #else

Classes/Utility/Runtime/Objc/FLEXRuntimeSafety.m

@@ -19,7 +19,7 @@
     (class_getInstanceVariable([cls class], name) ?: (void *)kCFNull)
 
 __attribute__((constructor))
-static void FLEXRuntimeSafteyInit() {
+static void FLEXRuntimeSafteyInit(void) {
     FLEXKnownUnsafeClasses = CFSetCreate(
         kCFAllocatorDefault,
         (const void **)(uintptr_t)FLEXKnownUnsafeClassList(),
@@ -39,7 +39,7 @@ static void FLEXRuntimeSafteyInit() {
     );
 }
 
-const Class * FLEXKnownUnsafeClassList() {
+const Class * FLEXKnownUnsafeClassList(void) {
     if (!_UnsafeClasses) {
         const Class ignored[] = {
             FLEXClassPointerOrCFNull(@"__ARCLite__"),
@@ -74,7 +74,7 @@ static void FLEXRuntimeSafteyInit() {
     return _UnsafeClasses;
 }
 
-NSSet * FLEXKnownUnsafeClassNames() {
+NSSet * FLEXKnownUnsafeClassNames(void) {
     static NSSet *set = nil;
     if (!set) {
         NSArray *ignored = @[

Classes/ViewHierarchy/SnapshotExplorer/FHSView.m

@@ -93,7 +93,6 @@ + (UIImage *)drawView:(UIView *)view {
     }
 
     CGSize size = view.bounds.size;
-    CGRect bounds = view.bounds;
     CGFloat minUnit = 1.f / UIScreen.mainScreen.scale;
 
     // Every drawn view must not have 0 width or height