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iOS:UINavigationBar appearance與UIBarButtonItem appearance簡介

[UINavigationBar appearance]與[UIBarButtonItem appearance]使用方法基本相同。

  • [UIBarButtonItem appearance] 設定導覽列左右兩邊item的文字樣式
  • [UINavigationBar appearance] 設定導覽列title,整個導覽列顔色背景等

    方法總結:

UINavigationBar:

  • 1.設定顔色 [[UINavigationBar appearance] setBarTintColor:[UIColor colorWithRed:0 green:0 blue:0 alpha:1]]; [[UINavigationBar

    appearance] setBarTintColor:UIColorFromRGB(0x067AB5)];

  • 2.設定導航文字顔色 [[UINavigationBar appearance] setTintColor:[UIColor whiteColor]];
  • 3.設定導航背景 [[UINavigationBar appearance] setBackgroundImage:[UIImage imageNamed:@”nav_bg.png”] forBarMetrics:UIBarMetricsDefault];

UIBarButtonItem:

  • 1.修改背景: [[UIBarButtonItem appearance] setBackButtonBackgroundImage:leftButton

    forState:0

    barMetrics:UIBarMetricsDefault];

  • 2.修改字型,陰影,字型顔色 NSDictionary* textAttributes = [NSDictionary dictionaryWithObjectsAndKeys:

    BAR_BUTTON_TITLE_TEXT_COLOR,UITextAttributeTextColor,

    BAR_BUTTON_TITLE_FONT,UITextAttributeFont,

    BAR_BUTTON_TITLE_SHADOW_COLOR,UITextAttributeTextShadowColor,

    [NSValue valueWithCGSize:CGSizeMake(1, 1)],UITextAttributeTextShadowOffset,

    nil]; [[UIBarButtonItem appearance] setTitleTextAttributes:textAttributes forState:0];

  • 3.修改UIBarButtonItem中文字的位置: [[UIBarButtonItem appearance]

    setBackButtonTitlePositionAdjustment:UIOffsetMake(2, -1)

    forBarMetrics:UIBarMetricsDefault];