Android - how update widget often but only when it is visible?
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Published on 2010-03-10T12:24:24Z
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2010/05/30
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I'm going to create widget which needs to update its content every minute (it shows time-related data).
However, there is no need to update widget if it is currently invisible, which means:
- screen is turned off
- another app is running
- widget is placed on another (invisible) home screen tab
What is the best way to update only visible widget every minute - without waking up device nor doing unnecessary computations? After widget becomes visible, small lag before update is acceptable.
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