Hacking UIApplication that replace original method 'setNetworkActivityIndicatorVisible' to hidden network activity indicator forever.

UIApplication+DisableNetworkActivityIndicatorVisible.m

/// UIApplication+DisableNetworkActivityIndicatorVisible.h
#import <UIKit/UIKit.h>

@interface UIApplication (DisableNetworkActivityIndicatorVisible)

@end

/////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////

/// UIApplication+DisableNetworkActivityIndicatorVisible.m
#import "UIApplication+DisableNetworkActivityIndicatorVisible.h"
#import <objc/runtime.h>

@implementation UIApplication (DisableNetworkActivityIndicatorVisible)

+ (void)load {
    Method original, swizzled;
    original = class_getInstanceMethod(objc_getClass("UIApplication"), @selector(setNetworkActivityIndicatorVisible:));
    swizzled = class_getInstanceMethod(self, @selector(swizzled_setNetworkActivityIndicatorVisible:));
    method_exchangeImplementations(original, swizzled);
}

- (void)swizzled_setNetworkActivityIndicatorVisible:(BOOL)yesOrNo {
    // pass
}