Difference between ApplicationInfo and PackageInfo?

Question

I have several general question about ApplicationInfo and PackageInfo classes. Here they are:

1. Can someone describe the difference between ApplicationInfo and P

Answer 1

PackageInfo contains ApplicationInfo (PackageInfo.applicationInfo).

Package info is all your info from your manifest file, ApplicaitonInfo is the info from the tag in your manifest.

When they are used? it depends on which info you a looking for , or which API methods you are using.