android - Accessing basic data on installed Apps -

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i'm new android/java , wanted make app displays info on installed apps on device.

i've used resolveinfo app list described here.

but interested in determining things app category, current cache size, or last time app used. thought access using /data/data/, guess can't due security issues.

any coding magic can kind of information?

app category

that android market concept , not exist in android os.

current cache size

i suspect not available sdk applications.

last time app used

i not sure tracked.

i thought access using /data/data/, guess can't due security issues.

correct.


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