as soon as i take a screenshot a message on notification bar appears...facing this problem after lollipop update
though both phone & sd card memory free
Lollipop 5.0 lets applications mandate over the OS. In my case video streaming apps, that will lock out screenshot taking.
I have Hulu and when streaming videos, the screenshot feature is cancelled/overrided by the app. Its terrible...but its the truth, we need to
request android to let us take our devices ownership back.