Unfortunately, the DownloadProvider is not currently available for
non-system applications to use, and that's unlikely to change in the
foreseeable future. Even more unfortunately, the current
implementation of the DownloadProvider uses private APIs that prevent
it from being recompiled on top of the SDK, which means that you can't
re-use it "as is" in your application; high-quality contributions in
that direction are likely to be accepted if various efforts are
synchronized in advance.

The manifest for the package installer shows you how you can invoke
it: it responds to ACTION_VIEW / CATEGORY_DEFAULT on file: and
content: URIs for the APK MIME type
"application/vnd.android.package-archive". Full details here
http://android.git.kernel.org/?p=platform/packages/apps/PackageInstaller.git;a=blob;f=AndroidManifest.xml

JBQ

On Sat, Nov 29, 2008 at 6:31 AM, Xiaoliang Ding <[EMAIL PROTECTED]> wrote:
> Hi, smart guys
>
>   I want to implement a application whose one of requirements is download a
> package and install it. What i want to know is can i use DownloadProvider
> and PackageInstaller in my application? How can i use them ?
>
> Thanks
> Ding
>
> >
>

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