I am writing a clock widget that uses customised bitmaps (so the
widget loads the bitmap from the sdcard)

Just have a couple of questions regarding how updates work:

1. if i want to display seconds on the clock widget will the widget
load the bitmaps off the disk every second or can they be cached
somehow so it doesn't reload off the disk each time. or If it does
reload a bitmap each second, would this use a lot of power?

2. If i load the customised number bitmaps into a static array and
then pass them as bitmaps to the widget would this use less power than
just loading off the SD card?

best regards,
rob

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