How to change system navigation bar color

Question

In guidelines of Android 5.0, the navigation bar seems customizable: http://www.google.com/design/spec/layout/structure.html#structure-system-bars

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Answer 1

Starting from API 27, it is now possible to use the light style of the navigation bar:

@android:color/white
true

From the documentation:

windowLightNavigationBar

If set, the navigation bar will be drawn such that it is compatible with a light navigation bar background.

For this to take effect, the window must be drawing the system bar backgrounds with windowDrawsSystemBarBackgrounds and the navigation bar must not have been requested to be translucent with windowTranslucentNavigation. Corresponds to setting SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR on the decor view.