How To Set The Navigation Bar's Background Image Directly

Set the image using method setBackgroundImage:forBarMetrics.

[[UINavigationBarappearance] setBackgroundImage: portrait 

                 forBarMetrics:UIBarMetricsDefault];

  [[UINavigationBarappearance] setBackgroundImage: landscape 

                  forBarMetrics:UIBarMetricsLandscapePhone];

Create resizable images

UIImage *portrait = [[UIImageimageNamed:@”image1″]

resizableImageWithCapInsets:UIEdgeInsetsMake(0, 0, 0, 0)];

UIImage *landscape = [[UIImage imageNamed:@”image2″]

resizableImageWithCapInsets:UIEdgeInsetsMake(0, 0, 0,0)];

Set the attributes of Naviagtion Bar (to set the title font, color, shadowoffset)

[[UINavigationBarappearance] setTitleTextAttributes:

      [NSDictionarydictionaryWithObjectsAndKeys:

      [UIColorcolorWithRed:255.0/255.0green:255.0/255.0blue:255.0/255.0alpha:1.0], 

      UITextAttributeTextColor, 

      [UIColorcolorWithRed:0.0green:0.0blue:0.0alpha:0.8], 

      UITextAttributeTextShadowColor, 

      [NSValuevalueWithUIOffset:UIOffsetMake(0, -1)], 

      UITextAttributeTextShadowOffset, 

      [UIFontfontWithName:@"Arial-Bold"size:0.0], 

      UITextAttributeFont, 

      nil]];

Similary, we can set the background image of UISegmentedControl and UITabBar, UIBarButtonItem etc.