ios6 - sprite sheet not working for retina display -


i have create sprite sheet non retina display , working fine on simulator.. have used code 

 -(void)addsprites{      [[ccspriteframecache sharedspriteframecache] addspriteframeswithfile:@"image.plist"];      ccspritebatchnode *spritesheet = [ccspritebatchnode batchnodewithfile:@"image.png"];     [self addchild:spritesheet];   // load frames of our animation     nsmutablearray *walkanimframes = [nsmutablearray array];     for(int = 1; < 5; i++) {         [walkanimframes addobject:[[ccspriteframecache sharedspriteframecache] spriteframebyname:[nsstring stringwithformat:@"image%d.png", i]]];     }      ccanimation *walkanim = [ccanimation animationwithspriteframes:walkanimframes delay:0.20f]; // create sprite our bear      background = [ccsprite spritewithspriteframename:@"image1.png"];     background.position = ccp(280, 175);     self.walkaction = [ccrepeatforever actionwithaction:[ccanimate actionwithanimation:walkanim]];     [spritesheet addchild:background];   }  -(void)startanimation{     [background runaction:_walkaction];

}

and for device have created sprite sheet retina image double size , image named image@2x.. created plist myplist@2xplist , image file imagefile@2x.png

i mean there 4 files

for non retina display.

1) imagefile.png(sprite sheet)

2) myplist.plist

for retina display.

1) imagefile@2x.png(sprite sheet) plist key name every image image@2x.png

2) myplist@2x.plist

but above code not working code. m doing wrong or missing somthing? app crash on device error message

 ccspriteframecache: frame 'image1.png' not found 2013-05-03 16:19:49.764  *** terminating app due uncaught exception  'nsinvalidargumentexception', reason: '*** -[__nsarraym insertobject:atindex:]: object    cannot nil'

but above code working fine on simulator

by default cocos2d use -hd postfix not "@2x". , file names inside sprite sheet need same without "-hd" or @2x. main sprite sheet file name need postfix "-hd".

myplist-hd.plist


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