iphone - Thumb image in retina not working in UISlider -


i working on uislider in have added thumb image (slider_iphone.png 53 x 199) on slider.without retina image problem when add retina image(slider_iphone@2x.png 106 x 398), thumb image becomes wider , longer simple image.with retina

i have searched lot on google , stack overflow didn't find solution. why not taking retina image in correct frame. please suggest solution.

code: 

slider = [[uislider alloc]initwithframe:cgrectmake(0.0,180.0,320.0,180.0)];  [slider setminimumvalue:1.0f];  [slider setmaximumvalue:10.0f];  [slider addtarget:self action:@selector(slidermoved:) forcontrolevents:uicontroleventvaluechanged];  uiimage *slidertrackimage1 = [[uiimage imagenamed: @"button-transparent.png"] stretchableimagewithleftcapwidth: 0.0 topcapheight: 0.0];  uiimage *thumb = [uiimage imagenamed:@"slider_iphone@2x.png"];  [slider setminimumtrackimage: slidertrackimage1 forstate: uicontrolstatenormal]; [slider setmaximumtrackimage: slidertrackimage1 forstate: uicontrolstatenormal]; [slider setthumbimage:thumb forstate:uicontrolstatehighlighted]; [slider setthumbimage:thumb forstate:uicontrolstatenormal];

you shouldn't use @2x image defined in code!

have both normal image , @2x image in bundle , in code specify normal image!

the app appropriately select image needs depending on device's screen.


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