iphone - Change the navigation bar's font -

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the question plain easy , simple, answer unfortunately not.

how can change font of text in uinavigationbar?

from ios 7 , later:

nsshadow* shadow = [nsshadow new]; shadow.shadowoffset = cgsizemake(0.0f, 1.0f); shadow.shadowcolor = [uicolor redcolor]; [[uinavigationbar appearance] settitletextattributes: @{      nsforegroundcolorattributename: [uicolor greencolor],                 nsfontattributename: [uifont fontwithname:@"helvetica" size:20.0f],               nsshadowattributename: shadow                                                       }];

from ios 5 , later:

 [[uinavigationbar appearance] settitletextattributes: @{                                 uitextattributetextcolor: [uicolor greencolor],                           uitextattributetextshadowcolor: [uicolor redcolor],                          uitextattributetextshadowoffset: [nsvalue valuewithuioffset:uioffsetmake(0.0f, 1.0f)],                                      uitextattributefont: [uifont fontwithname:@"helvetica" size:20.0f]      }];

earlier ios 5:

uilabel *label = [[uilabel alloc] initwithframe:cgrectmake(0, 0, 400, 44)]; label.backgroundcolor = [uicolor clearcolor]; label.font = [uifont boldsystemfontofsize:20.0]; label.shadowcolor = [uicolor colorwithwhite:0.0 alpha:0.5]; label.textalignment = uitextalignmentcenter; label.textcolor =[uicolor whitecolor]; label.text=self.title;   self.navigationitem.titleview = label;       [label release];

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