//設置導航條標題顏色

[self.navigationController.navigationBar setTitleTextAttributes: @{NSFontAttributeName:[UIFont systemFontOfSize:20],NSForegroundColorAttributeName:[UIColor whiteColor]}];

//或者自定義標題，新建一個lable賦給self.navigationItem.titleView?

UILabel *titleLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 20, 320, 44)];titleLabel.backgroundColor = [CommonTools colorWithHexString:@"1680fa" alpha:1.0];titleLabel.font = [UIFont boldSystemFontOfSize:20];titleLabel.textColor = [UIColor whiteColor];titleLabel.textAlignment = NSTextAlignmentCenter;titleLabel.text = @"視頻聊天";self.navigationItem.titleView = titleLabel;

//設置導航欄背景色

self.navigationController.navigationBar.barTintColor = [CommonTools colorWithHexString:@"1680fa" alpha:1.0]; colorWithHexString:@"1680fa" alpha:1.0取到的顏色接近于導航條

+ (UIColor *)colorWithHexString:(NSString *)hexString alpha:(CGFloat)alpha {unsigned int red, green, blue;NSRange range;range.length =2;range.location =0;[[NSScanner scannerWithString:[hexString substringWithRange:range]]scanHexInt:&red];range.location =2;[[NSScanner scannerWithString:[hexString substringWithRange:range]]scanHexInt:&green];range.location =4;[[NSScanner scannerWithString:[hexString substringWithRange:range]]scanHexInt:&blue];return [UIColor colorWithRed:(float)(red/255.0f)green:(float)(green/255.0f)blue:(float)(blue/255.0f)alpha:alpha]; }

總結

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