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Add support to PackageInstaller for allowing the user to grant
permissions to other apps. The user is involved in the decision,
and can approve or reject permissions.
Applications can make a request to PackageInstaller using something
like the following code:
private void onPromptPermissionsClicked(String... permissions) {
Intent i = getActivity().getApplication()
.getPackageManager().requestPermission(permissions);
startActivityForResult(i, 0);
}
This code reuses the sideloading upgrade flow when adding permissions,
making the UI very familiar to someone who's sideloaded applications.
Conceptually, we are treating a permission grant as a reinstall of the
application with new permissions.
Change-Id: Ia37f761e5574a490d1d37b9eb40cf5e77c928a40
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