cocos2d for iPhone

A fast, easy to use, free, and community supported 2D game engine

1. 

   ivanovich
   Member

   i was using this function to know if there is a ipad

   - (bool)bPAD {
   return ([UIScreen mainScreen].bounds.size.height==1024);
   }

   but now i want to know if there is a iphone4 and i don't know how to do it

   Thanks

   Posted 1 year ago #
2. 

   ivanovich
   Member

   I find it!!

   - (bool)bIphone4 {
       CGSize pixelBufferSize = [[[UIScreen mainScreen] currentMode] size];
   	return (pixelBufferSize.width == 640);
   }

   Posted 1 year ago #
3. 

   TD
   Member

   Please don't use such hacks. You should use this:

   BOOL bPAD = (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad);

   Posted 1 year ago #
4. 

   robodude666
   Member

   The idiom only tells you if it's an iPad or iPhone/iPodTouch. If you must know if it's a high-res screen you can check the scale of the mainScreen.

   Note that the idiom only works on iPhone OS 3.2+ and the scale is only available on iOS 4.

   Posted 1 year ago #
5. 

   ivanovich
   Member

   This funcion

   - (bool)bIphone4 {
       CGSize pixelBufferSize = [[[UIScreen mainScreen] currentMode] size];
   	return (pixelBufferSize.width == 640);
   }

   run perfect in debugmode but when i mount a adhoc distribution do a nice EXCEPT. Any idea??

   Posted 1 year ago #
6. 

   ivanovich
   Member

   Wow! some hours later i find the solution:

   - (bool)bIphone4 {
        if([[UIScreen mainScreen] respondsToSelector:NSSelectorFromString(@"scale")])
        {
             return ([[UIScreen mainScreen] scale] > 1.9);
        }
        else return false;
   }

   Posted 1 year ago #
7. 

   Nat Weiss
   Member

   The challenge with using the mainScreen's scale to detect for iPhone4 is that an iPad running a normal iPhone 480x320 app in 2x scaled mode also returns 2.0.

   The other challenge with using mainScreen's scale is that compiling versus a Base SDK of 3.2 or earlier causes a compilation error.

   Here's a proposed solution that returns YES on iPhone4, NO on an iPad, and compiles cleanly with a Base SDK of 3.2:

   // are we on a scaled screen (like iPhone4)?
   static inline BOOL isHiResScaled(void)
   {
   	// notes: this function was originally a test if the mainScreen's scale was >= 2.0f
   	// though this returned YES on an iPad running in 2x scaled mode
   	// and it caused a compilation error when trying to compile with a Base SDK of 3.2 or earlier
   
   	// we can detect the physical screen width on iOS 3.2+
   	if([[[UIDevice currentDevice] systemVersion] floatValue] >= 3.2f)
   	{
   		// yes if the physical screen width (in pixels) is 640
   		UIScreen* screen = [UIScreen mainScreen];
   		return (screen.currentMode.size.width == 640.0f);
   	}
   
   	// all iDevices before 3.2 were 480 x 320
   	return NO;
   }

   Posted 1 year ago #

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