// Device Info & Version Check
#define IS_IPAD (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
#define IS_IPHONE (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone)
#define IS_RETINA ([[UIScreen mainScreen] scale] >= 2.0)

#define SCREEN_WIDTH ([[UIScreen mainScreen] bounds].size.width)
#define SCREEN_HEIGHT ([[UIScreen mainScreen] bounds].size.height)
#define SCREEN_MAX_LENGTH (MAX(SCREEN_WIDTH, SCREEN_HEIGHT))
#define SCREEN_MIN_LENGTH (MIN(SCREEN_WIDTH, SCREEN_HEIGHT))

#define IS_IPHONE_4_OR_LESS (IS_IPHONE && SCREEN_MAX_LENGTH < 568.0)
#define IS_IPHONE_5 (IS_IPHONE && SCREEN_MAX_LENGTH == 568.0)
#define IS_IPHONE_6 (IS_IPHONE && SCREEN_MAX_LENGTH == 667.0)
#define IS_IPHONE_6P (IS_IPHONE && SCREEN_MAX_LENGTH == 736.0)

#define IS_MultiTaskingSupported ([[UIDevice currentDevice] respondsToSelector:@selector(isMultitaskingSupported)] && [[UIDevice currentDevice] isMultitaskingSupported])

#define IS_IPHONE5 (([[UIScreen mainScreen] bounds].size.height-568)?NO:YES)
#define IS_OS_5_OR_LATER    ([[[UIDevice currentDevice] systemVersion] floatValue] >= 5.0)
#define IS_OS_6_OR_LATER    ([[[UIDevice currentDevice] systemVersion] floatValue] >= 6.0)
#define IS_OS_7_OR_LATER    ([[[UIDevice currentDevice] systemVersion] floatValue] >= 7.0)
#define IS_OS_8_OR_LATER    ([[[UIDevice currentDevice] systemVersion] floatValue] >= 8.0)

// Timer Invalidation
#define m_invalidateTimer(t) [t invalidate]; t = nil;

// Threading
#define m_runOnMainThread if (![NSThread isMainThread]) { dispatch_sync(dispatch_get_main_queue(), ^{ [self performSelector:_cmd]; }); return; };

// Colors
#define m_rgba(r,g,b,a) [UIColor colorWithRed:r/255.0f green:g/255.0f blue:b/255.0f alpha:a]
#define m_rgb(r,g,b) UA_rgba(r, g, b, 1.0f)

// Debugging / Logging
#ifdef DEBUG
//#define DLog( s, ... ) NSLog( @"%@ %s [%d] \t%@", [[NSString stringWithUTF8String:__FILE__] lastPathComponent], __func__, __LINE__ ,[NSString stringWithFormat:(s), ##__VA_ARGS__])
//#define DLog( s, ... ) NSLog( @"%@ [%d] \t%@", [[NSString stringWithUTF8String:__FILE__] lastPathComponent], __LINE__ ,[NSString stringWithFormat:(s), ##__VA_ARGS__])
#define DLog( s, ... ) NSLog( @"%s [%d] \t%@", __func__, __LINE__ ,[NSString stringWithFormat:(s), ##__VA_ARGS__] )
#else
#define DLog( s, ... )
#endif

#define DLogBounds(view) DLog(@"%@ bounds: %@", view, NSStringFromRect([view bounds]))
#define DLogFrame(view)  DLog(@"%@ frame: %@", view, NSStringFromRect([view frame]))

// Others
#define NSStringFromBool(b) (b ? @"YES" : @"NO")
#define m_SHOW_VIEW_BORDERS YES
#define m_ShowDebugBorderForViewWithColor(view, color) if (UA_SHOW_VIEW_BORDERS) { view.layer.borderColor = color.CGColor; view.layer.borderWidth = 1.0; }
#define m_showDebugBorderForView(view) UA_showDebugBorderForViewColor(view, [UIColor colorWithWhite:0.0 alpha:0.25])