Hi,
I read here in several  posts thats possible with
   WindowManager.LayoutParams lp = getWindow().getAttributes();
        lp.screenBrightness = 100 / 100.0f;
        getWindow().setAttributes(lp);

to change the screen brightness.
ok, but it looks only for the actual activity. (there it works)

When I close my activity, the standart system brightness is still the
same

But how to change the overall brightness, like several tools for 1.5
do?

thanks
chris

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