How to reduce alpha of navigation bar in android

Question

I want to change the alpha value of the navigation bar. I have tried,

<item name="android:navigationBarColor">@color/colorNav</item> this in my styles.xml.

And set the color to,

<color name="colorNav">#9623ba68</color>.

But this doesn't work. How can I get it working?

Answer 1

Try this:

window.setNavigationBarColor(@ColorInt int color)

Since you already have a color in RGB all you need to do is append Alpha part to it(RGBA): So your color : #23ba68 and 96% Alpha (F2) : #23BA68F2

Here's a correct table of percentages to hex values. E.g. for 50% white you'd use #80FFFFFF.

100% — FF

95% — F2

90% — E6

85% — D9

80% — CC

75% — BF

70% — B3

65% — A6

60% — 99

55% — 8C

50% — 80

45% — 73

40% — 66

35% — 59

30% — 4D

25% — 40

20% — 33

15% — 26

10% — 1A

5% — 0D

0% — 00