# wx.setNavigationBarColor(Object object)

Start from base library version 1.4.0. Please remaining backward compatible.

with Promise style call: Supported

Need page permissions: Mini Programs cannot call this interface from a plugin page, and plugins cannot call the interface from the plugins page

Mini Program plugin: Support, need to Mini Program base library version no less than 2.1.0

When used in Mini Programs plug-ins, can only be called from the page of the current plug-in

Set the page navigation bar color

# parameter

# Object object

attribute	type	Required	Introductions
frontColor	string	yes	Foreground color values, including the color of the on, title, and status bar, are supported only #ffffff and #000000
backgroundColor	string	yes	Background color value, valid value is hexadecimal color
animation	Object	no	Animation effect
success	function	no	Interface calls the successful callback function
fail	function	no	Interface calls failed callback functions
complete	function	no	Callback function at the end of an interface call (both successful and unsuccessful calls are executed)

object.animation Structure

attribute	type	Default values	Required	Introductions
duration	number	0	no	Animation change time, unit ms
timingFunc	string	'linear'	no	Animation change mode

object.animation.timingFunc Legal value

value	Introductions	Minimum version
'linear'	Animation moves at the same speed from start to finish.
'easeIn'	Animation begins at low speed
'easeOut'	Animation ends at low speed
'easeInOut'	Animation starts and ends at low speeds

# sample code


wx.setNavigationBarColor({
  frontColor: '#ffffff',
  backgroundColor: '#ff0000',
  animation: {
    duration: 400,
    timingFunc: 'easeIn'
  }
})