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Editorial Team
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Asked: 2026-05-16T06:30:26+00:00

I am running into a very strange situation when using the PackageManager.getInstalledPackages() method. The

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I am running into a very strange situation when using the PackageManager.getInstalledPackages() method. The first time I launch my activity I get a valid list of all the installed packages. But the second time I launch my activity I get an empty list… What could possibly be causing this?

I am using this code to get the list:
List pkgList = getPackageManager().getInstalledPackages(PackageManager.GET_ACTIVITIES);

I am building against the 1.6 SDK with compatibility for 1.5+

Thanks in advance for any suggestions/help… I’m really baffled as to the cause and can’t think of what I’m doing wrong.

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1 Answer

  1. Editorial Team

    Perhaps the PackageManager needs to be invoked on the main application thread, for some reason. I haven’t tried using it from an AsyncTask.

    UPDATE 2018-03-26: PackageManager generally is fine to invoke on background threads, getInstalledPackages() in particular.

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