Adobe AIR for iOS の Low memory warning による GC 大量発生を無視する方法 ref: http://qiita.com/tosik/items/9f9b474f03777626a42d

file0.txt

// AirLowMemoryWarningSuppressor.h

#import <UIKit/UIKit.h>
#import "FlashRuntimeExtensions.h"

@interface  AirLowMemoryWarningSuppressor : NSObject <UIApplicationDelegate>
@end


// AirLowMemoryWarningSuppressor.m

@implementation AirLowMemoryWarningSuppressor
- (void)applicationDidReceiveMemoryWarning:(UIApplication *)application {}
@end


void AirLowMemoryWarningSuppressor_didReceiveMemoryWarning(id self, SEL _cmd, UIApplication* application)
{
    NSLog(@"application did receive memory warning.");
}

void AirLowMemoryWarningSuppressor_injectDelegates(id delegate)                                        
{                                                                                                      
    Class objectClass = object_getClass(delegate);                                                     

    NSString *newClassName = [NSString stringWithFormat:@"CustomLowMemory_%@", NSStringFromClass(objectClass)];
    Class modDelegate = NSClassFromString(newClassName);                                               
    if (modDelegate == nil) {                                                                          
        modDelegate = objc_allocateClassPair(objectClass, [newClassName UTF8String], 0);               
        SEL selectorToOverride = @selector(applicationDidReceiveMemoryWarning:);                       
        Method m = class_getInstanceMethod(objectClass, selectorToOverride);                           
        class_addMethod(modDelegate, selectorToOverride, (IMP)AirLowMemoryWarningSuppressor_didReceiveMemoryWarning, method_getTypeEncoding(m));
        objc_registerClassPair(modDelegate);                                                           
    }                                                                                                  
    object_setClass(delegate, modDelegate);                                                            
} 
void AirLowMemoryWarningSuppressor_initializeContext(void* extData, const uint8_t* ctxType, FREContext ctx, uint32_t* numFunctionsToTest, const FRENamedFunction** functionsToSet)
{
    AirLowMemoryWarningSuppressor_injectDelegates([[UIApplication sharedApplication] delegate]);
    *numFunctionsToTest = 0;
}

void AirLowMemoryWarningSuppressor_finalizeContext(FREContext ctx) { }

void LowMemoryInitializeExtension(void** extDataToSet, FREContextInitializer* ctxInitializerToSet, FREContextFinalizer* ctxFinalizerToSet)
{
    *extDataToSet = NULL;
    *ctxInitializerToSet = &AirLowMemoryWarningSuppressor_initializeContext;
    *ctxFinalizerToSet = &AirLowMemoryWarningSuppressor_finalizeContext;
}

void LowMemoryFinalizeExtension(void *extData) { }