sample.mm

#import <Foundation/Foundation.h>
#import <CoreFoundation/CoreFoundation.h>
#import <objc/runtime.h>
#import <UIKit/UIKit.h>

@class UIKeyboardLayoutStar;

static BOOL replaced_UIKeyboardLayoutStar_shouldShowDictationKey(UIKeyboardLayoutStar *self, SEL _cmd) {
    return NO;
}

__attribute__((constructor))
static void OverrideMethodFunction() {
    Method method = class_getMethodImplementation([UIKeyboardLayoutStar class], @selector(shouldShowDictationKey));
    method_setImplementation(method, &replaced_UIKeyboardLayoutStar_shouldShowDictationKey);
}