android - How to make the title bar change color when the tab is changed -

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if on tab in tabbed activity, , change tabs, how make title bar , tab indicator change colors? example of i'm talking can seen below (done on paint).

app bar changing color when different tabs selected figure manipulating different elements , color resources use done change uniformly, @ same time, don't know how that. have 4 tabs, , 4 sets of colors picked material design library, red, blue, green , yellow. including red dark, blue dark, etc.

i'm not using default tab layout activity comes android studio, instead, using 1 similar 1 used here

https://androidbelieve.com/navigation-drawer-with-swipe-tabs-using-design-support-library/

minus navigation drawer. sincerely appreciated, though i'm afraid i'm still quite beginner appreciate if make simple possible.

:d

you can right code according selected tab position tab 1 

getsupportactionbar().setbackgrounddrawable(new colordrawable(color.parsecolor("#f00")));

for tab 2

getsupportactionbar().setbackgrounddrawable(new colordrawable(color.parsecolor("#ff0")));

for tab 3

getsupportactionbar().setbackgrounddrawable(new colordrawable(color.parsecolor("#f0f")));

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