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

Use this in your Activity.

 if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        getWindow().setNavigationBarColor(getResources().getColor(R.color.green));
    }

Answer 2

You can also set light system navigation bar in API 26 programmatically:

View.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR);

Where View coluld be findViewById(android.R.id.content).

However remember that:

For this to take effect, the window must request FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS but not FLAG_TRANSLUCENT_NAVIGATION.

See documentation.